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xxi | |
Preface |
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xxiii | |
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Part 1 Lead-Free Legislation |
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Legislation and Impact on Printed Circuits |
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3 | (1) |
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3 | (1) |
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Waste Electrical and Electronic Equipment (WEEE) |
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3 | (1) |
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Restriction of Hazardous Substances (RoHS) |
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3 | (3) |
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RoHS' Impact on the Printed Circuit Industry |
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6 | (4) |
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10 | (1) |
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Other Legislative Initiatives |
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10 | |
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Part 2 Printed Circuit Technology Drivers |
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Electronic Packaging and High-Density Interconnectivity |
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3 | |
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3 | (1) |
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Measuring the Interconnectivity Revolution (HDI) |
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3 | (3) |
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Hierarchy of Interconnections |
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6 | (1) |
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Factors Affecting Selection of Interconnections |
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7 | (3) |
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10 | (4) |
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14 | (2) |
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Methods to Increase PWB Density |
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16 | |
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21 | |
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Semiconductor Packaging Technology |
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1 | (1) |
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1 | (4) |
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5 | (10) |
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15 | (3) |
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18 | (3) |
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High-Density/High-Performance Packaging Summary |
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21 | (1) |
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21 | |
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21 | |
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Advanced Component Packaging |
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1 | (1) |
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1 | (1) |
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2 | (1) |
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System-on-a-Chip (SOC) versus System-on-a-Package (SOP) |
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3 | (2) |
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5 | (1) |
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6 | (4) |
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10 | (8) |
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18 | |
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18 | |
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Types of Printed Wiring Boards |
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1 | (2) |
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1 | (1) |
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Classification of Printed Wiring Boards |
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1 | (2) |
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Organic and Nonorganic Substrates |
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3 | (1) |
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Graphical and Discrete-Wire Boards |
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3 | (2) |
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Rigid and Flexible Boards |
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5 | (1) |
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Graphically Produced Boards |
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6 | (4) |
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Molded Interconnection Devices |
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10 | (1) |
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Plated-Through-Hole (PTH) Technologies |
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10 | (3) |
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13 | |
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14 | |
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Introduction to Base Materials |
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3 | |
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1 | (2) |
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Grades and Specifications |
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3 | (6) |
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Properties Used to Classify Base Materials |
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9 | (4) |
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13 | (1) |
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Laminate Identification Scheme |
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14 | (4) |
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Prepreg Identification Scheme |
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18 | (1) |
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Laminate and Prepreg Manufacturing Processes |
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18 | |
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24 | |
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1 | (1) |
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1 | (1) |
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1 | (4) |
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5 | (2) |
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7 | (5) |
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12 | (6) |
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18 | |
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25 | |
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Properties of Base Materials |
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1 | (1) |
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1 | (1) |
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Thermal, Physical, and Mechanical Properties |
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1 | (12) |
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13 | |
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16 | |
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Base Materials Performance Issues |
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1 | (1) |
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1 | (1) |
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Methods of Increasing Circuit Density |
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2 | (1) |
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2 | (5) |
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7 | (2) |
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Prepreg Options and Yield-Per-Ply Values |
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9 | (1) |
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10 | (3) |
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High-Density Interconnect/Microvia Materials |
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13 | (2) |
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15 | (7) |
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22 | |
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33 | |
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The Impact of Lead-Free Assembly on Base Materials |
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1 | (1) |
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1 | (1) |
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1 | (1) |
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Base Material Compatibility Issues |
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2 | (2) |
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The Impact of Lead-Free Assembly on Base Material Components |
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4 | (1) |
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Critical Base Material Properties |
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4 | (14) |
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Impact on Printed Circuit Reliability and Material Selection |
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18 | (3) |
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21 | |
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22 | |
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Selecting Base Materials for Lead-Free Assembly Applications |
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1 | (1) |
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1 | (1) |
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Pcb fabrication and Assembly Interactions |
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1 | (5) |
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Selecting the Right Base Material for Specific Application |
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6 | (8) |
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Example Application of this Tool |
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14 | (1) |
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Discussion of the Range of Peak Temperatures for Lead-Free Assembly |
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15 | (1) |
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Lead-Free Applications and Ipc-4101 Specification Sheets |
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15 | (1) |
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Additional Base material Options for Lead-Free Applications |
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16 | (1) |
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17 | |
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18 | |
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Laminate Qualification and Testing |
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1 | (2) |
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1 | (1) |
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2 | (2) |
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4 | (1) |
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5 | (4) |
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Full Material Characterization |
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9 | (13) |
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Characterization Test Plan |
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22 | (1) |
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Manufacturability in the Shop |
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23 | |
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Part 4 Engineering and Design |
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Physical Characteristics of the PCB |
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3 | |
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3 | (6) |
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Types of PCBs or Packages for Electronic Circuits |
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9 | (5) |
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Methods of Attaching Components |
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14 | (1) |
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15 | (1) |
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15 | (7) |
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22 | (2) |
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Choosing a Package Type and Fabrication Vendor |
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24 | |
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1 | (1) |
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Objective of the PCB Design Process |
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1 | (1) |
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1 | (5) |
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6 | (4) |
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Selecting a Set of Design Tools |
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10 | (1) |
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Interfacing Cae, Cad, and Cam Tools to Each Other |
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11 | (1) |
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Inputs to the Design Process |
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11 | |
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Electrical and Mechanical Design Parameters |
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1 | (1) |
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Printed Circuit Design Requirements |
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1 | (1) |
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Introduction to Electrical Signal Integrity |
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1 | (2) |
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Introduction to Electromagnetic Compatibility |
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3 | (1) |
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4 | (1) |
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Designing for Signal Integrity and Electromagnetic Compatibility |
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4 | (5) |
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Mechanical Design Requirements |
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9 | |
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17 | |
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Current Carrying Capacity in Printed Circuits |
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1 | (1) |
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1 | (1) |
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Conductor (Trace) Sizing Charts |
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1 | (1) |
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Current Carrying Capacity |
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2 | (4) |
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6 | (4) |
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10 | (9) |
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Odd-Shaped Geometries and the ``Swiss Cheese'' Effect |
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19 | (1) |
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20 | |
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21 | |
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PCB Design for Thermal Performance |
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1 | (1) |
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1 | (1) |
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The PCB as a Heat Sink Soldered to the Component |
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2 | (1) |
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Optimizing the PCB for Thermal Performance |
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3 | (9) |
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Conducting Heat to the Chassis |
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12 | (2) |
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PCB Requirements for High-Power Heat Sink Attach |
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14 | (1) |
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Modeling the Thermal Performance of the PCB |
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15 | |
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18 | |
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Information Formating and Exchange |
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1 | (1) |
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Introduction to Data Exchange |
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1 | (2) |
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The Data Exchange Process |
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3 | (6) |
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9 | (13) |
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22 | (1) |
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23 | |
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23 | |
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Planning for Design, Fabrication, and Assembly |
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1 | (1) |
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1 | (2) |
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3 | (1) |
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4 | (6) |
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Layout Trade-off Planning |
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10 | (7) |
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PWB Fabrication Trade-off Planning |
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17 | (7) |
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Assembly Trade-Off Planning |
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24 | |
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27 | |
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Manufacturing Information, Documentation, and Transfer Including CAM Tooling for Fab and Assembly |
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1 | (1) |
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1 | (1) |
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Manufacturing Information |
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2 | (5) |
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7 | (8) |
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15 | (4) |
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Design Analysis and Review |
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19 | (1) |
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19 | (12) |
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31 | (1) |
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32 | |
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1 | (2) |
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1 | (1) |
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1 | (1) |
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Applications and Trade-Offs |
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2 | (1) |
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Designing for Embedded Component Applications |
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3 | (3) |
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6 | (3) |
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9 | |
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Part 5 High Density Interconnection |
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Introduction to High-Density Interconnection (HDI) Technology |
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3 | |
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3 | (1) |
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3 | (4) |
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7 | (4) |
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11 | (2) |
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Dielectric Materials and Coating Methods |
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13 | (13) |
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HDI Manufacturing Processes |
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26 | |
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34 | (1) |
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Bibliography-Additional Reading |
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35 | |
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Advanced High-Density Interconnection (HDI) Technologies |
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1 | (2) |
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1 | (1) |
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Definitions of HDI Process Factors |
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1 | (2) |
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HDI Fabrication Processes |
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3 | (30) |
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Next-Generation HDI Processes |
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33 | |
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37 | |
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3 | |
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3 | (1) |
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4 | (7) |
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11 | (4) |
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15 | (3) |
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18 | (2) |
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20 | (1) |
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20 | |
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Precision Interconnect Drilling |
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1 | (1) |
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1 | (1) |
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Factors Affecting High-Density Drilling |
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1 | (1) |
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2 | (3) |
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Factors Affecting High-Density Drilling |
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5 | (5) |
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Depth-Controlled Drilling Methods |
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10 | (1) |
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High-Aspect-Ratio Drilling |
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10 | (3) |
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Innerlayer Inspection of Multilayer Boards |
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13 | |
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1 | (1) |
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1 | (1) |
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2 | (2) |
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4 | (3) |
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7 | (1) |
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Electrophoretic Depositable Photoresists |
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8 | (1) |
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8 | (19) |
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27 | |
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29 | |
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Multilayer Materials and Processing |
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1 | (1) |
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1 | (1) |
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Printed Wiring Board Materials |
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2 | (14) |
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Multilayer Construction Types |
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16 | (21) |
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ML-PWB Processing and Flows |
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37 | (14) |
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51 | (8) |
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Lamination Process Control and Troubleshooting |
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59 | (4) |
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63 | (1) |
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63 | |
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63 | |
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Preparing Boards for Plating |
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1 | (1) |
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1 | (1) |
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1 | (2) |
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3 | (1) |
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Multilayer PTH Preprocessing |
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4 | (4) |
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8 | (3) |
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11 | |
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11 | |
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1 | (1) |
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1 | (1) |
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1 | (1) |
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High-Aspect Ratio Hole and Microvia Plating |
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2 | (2) |
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Horizontal Electroplating |
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4 | (2) |
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Copper Electroplating General Issues |
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6 | (8) |
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Acid Copper Sulfate Solutions and Operation |
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14 | (5) |
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Solder (Tin-Lead) Electroplating |
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19 | (2) |
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21 | (2) |
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23 | (2) |
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25 | (3) |
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28 | (1) |
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29 | (1) |
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Laboratory Process control |
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29 | (2) |
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31 | |
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31 | |
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1 | (1) |
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Direct Metallization Technology |
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1 | (1) |
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1 | (1) |
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PWB Manufacture Using Fully Electroless Copper |
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1 | (1) |
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Fully Electroless Plating |
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1 | (1) |
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The Additive Process and its Variations |
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2 | (1) |
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2 | (5) |
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7 | (1) |
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8 | (1) |
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Chemistry of Electroless Plating |
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9 | (3) |
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Fully Electroless Plating Issues |
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12 | |
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14 | |
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Printed Circuit Board Surface Finishes |
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1 | (1) |
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1 | (2) |
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3 | (1) |
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Hot Air Solder Level (Hasl or Hal) |
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4 | (2) |
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Electroless Nickel Immersion Gold (ENIG) |
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6 | (2) |
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Organic Solderability Preservative (OSP) |
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8 | (2) |
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10 | (1) |
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11 | (2) |
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13 | (1) |
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14 | (3) |
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17 | (1) |
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18 | (1) |
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19 | (4) |
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Comparing Surface Finish Properties |
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23 | |
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23 | |
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1 | (1) |
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1 | (1) |
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Trends and Challenges for Solder Mask |
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2 | (1) |
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3 | (1) |
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4 | (5) |
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Solder Mask Application and Processing |
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9 | (9) |
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18 | (1) |
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Solder Mask Final Properties |
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19 | (1) |
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Legend and Marking (Nomenclature) |
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19 | |
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Etching Process and Technologies |
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1 | (1) |
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1 | (1) |
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General Etching Considerations and Procedures |
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2 | (2) |
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4 | (2) |
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6 | (12) |
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Other Materials for Board Construction |
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18 | (1) |
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19 | (1) |
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Basics of Etched Line Formation |
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20 | (6) |
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26 | |
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29 | |
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1 | (2) |
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1 | (1) |
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Punching Holes (Piercing) |
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1 | (2) |
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Blanking, Shearing, and Cutting of Copper-Clad Laminates |
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3 | (3) |
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6 | (7) |
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13 | (2) |
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15 | |
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Bare Board Test Objectives and Definitions |
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3 | |
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3 | (1) |
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3 | (1) |
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4 | (2) |
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6 | |
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1 | (1) |
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1 | (1) |
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Nonelectrical Testing Methods |
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1 | (1) |
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Basic Electrical Testing Methods |
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2 | (7) |
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Specialized Electrical Testing Methods |
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9 | (4) |
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Data and Fixture Preparation |
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13 | (7) |
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20 | |
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Bare Board Test Equipment |
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1 | (1) |
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1 | (1) |
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1 | (2) |
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3 | (14) |
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Flying-Probe/Moving-Probe Test Systems |
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17 | (4) |
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21 | (1) |
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Test Department Planning and Management |
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22 | |
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HDI Bare Board Special Testing Methods |
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1 | (2) |
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1 | (1) |
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Fine-Pitch Tilt-Pin Fixtures |
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2 | (1) |
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3 | (1) |
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3 | (1) |
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3 | (1) |
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4 | (1) |
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Conductive Rubber Fixtures |
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5 | (1) |
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5 | (1) |
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5 | (2) |
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Combinational Test Methods |
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7 | |
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3 | |
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3 | (2) |
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5 | (11) |
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16 | (26) |
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Odd-Form Component Assembly |
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42 | (6) |
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48 | (6) |
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Process Equipment Selection |
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54 | (3) |
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57 | (7) |
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Conformal Coating, Encapsulation, and Underfill Materials |
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64 | (2) |
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66 | |
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1 | (2) |
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1 | (2) |
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Types of Conformal Coatings |
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3 | (3) |
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6 | (1) |
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7 | (4) |
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Cure, Inspection, and Finishing |
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11 | (2) |
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13 | (1) |
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Design for Conformal Coating |
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14 | |
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17 | |
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Part 9 Solderability Technology |
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Solderability: Incoming Inspection and Wet Balance Technique |
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3 | |
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3 | (1) |
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4 | (4) |
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Solderability Testing---a Scientific Approach |
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8 | (5) |
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The Influence of Temperature on Test Results |
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13 | (1) |
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Interpreting the Results: Wetting Balance Solderability Testing |
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14 | (1) |
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15 | (1) |
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PCB Surface Finishes and Solderability Testing |
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16 | (6) |
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22 | |
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1 | (2) |
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1 | (1) |
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2 | (1) |
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3 | (2) |
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5 | (1) |
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Flux Form Versus Soldering Process |
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6 | (1) |
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7 | (1) |
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8 | (1) |
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9 | (1) |
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10 | (2) |
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|
12 | |
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|
12 | |
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Part 10 Solder Materials and Processes |
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3 | |
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3 | (1) |
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Elements of a Solder Joint |
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4 | (1) |
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The Solder Connection to the Circuit Board |
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4 | (1) |
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The solder Connection to the Electrical Component |
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5 | (1) |
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Common Metal-Joining Methods |
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5 | (4) |
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9 | (1) |
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9 | |
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Soldering Materials and Metallurgy |
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1 | (1) |
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1 | (1) |
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2 | (2) |
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Solder Alloys and Corrosion |
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4 | (1) |
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PB-Free Solders: Search for Alternatives and Implications |
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5 | (1) |
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PB-Free Elemental Alloy Candidates |
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5 | (6) |
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11 | |
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19 | |
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1 | (1) |
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1 | (1) |
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Flux Activity and Attributes |
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2 | (1) |
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Flux: Ideal Versus Reality |
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3 | (1) |
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4 | (1) |
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Water-Clean (Aqueous) Fluxes |
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4 | (3) |
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7 | (2) |
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9 | (3) |
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12 | |
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15 | |
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1 | (1) |
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1 | (1) |
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1 | (1) |
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1 | (27) |
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28 | (11) |
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39 | (3) |
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Vapor-Phase Reflow Soldering |
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42 | (1) |
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43 | (7) |
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Tooling and the Need for Coplanarity and Intimate Contact |
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50 | (3) |
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Additional Information Sources |
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53 | (1) |
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53 | (5) |
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58 | (1) |
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59 | |
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61 | |
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Soldering Repair and Rework |
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1 | (2) |
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1 | (1) |
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1 | (4) |
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5 | (1) |
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Automated Solder Fountain |
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6 | (1) |
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6 | (1) |
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Considerations for Repair |
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6 | |
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7 | |
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Part 11 Nonsolder Interconnection |
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Press-Fit Interconnection |
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3 | |
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3 | (1) |
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The Rise of Press-Fit Technology |
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3 | (1) |
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Compliant Pin Configurations |
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4 | (2) |
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6 | (1) |
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7 | (1) |
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Surface Finishes and Effects |
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8 | (2) |
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10 | (1) |
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11 | (1) |
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12 | (2) |
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PWB Design and Board Procurement Tips |
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14 | (1) |
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15 | (1) |
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16 | (1) |
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Soldering and Press-Fit Pins |
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17 | |
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17 | |
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Land Grid Array Interconnect |
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1 | (2) |
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1 | (1) |
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1 | (1) |
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Elements of the LGA System |
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2 | (3) |
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5 | (2) |
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Printed Circuit Assembly (PCA) Rework |
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7 | (1) |
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8 | |
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8 | |
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Acceptability and Quality of Fabricated Boards |
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3 | |
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3 | (1) |
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Specific Quality and Acceptability Criteria by PCB Type |
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4 | (2) |
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Methods for Verification of Acceptability |
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6 | (1) |
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7 | (1) |
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8 | (1) |
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Acceptability and Quality After Simulated Solder Cycle(s) |
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8 | (2) |
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Nonconforming PCBS and Material Review Board (MRB) Function |
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10 | (1) |
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The Cost of the Assembled PCB |
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11 | (1) |
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How to Develop Acceptability and Quality Criteria |
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11 | (2) |
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13 | (1) |
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13 | (19) |
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Reliability Inspection Using Accelerated Environmental Exposure |
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32 | |
|
Acceptability of Printed Circuit Board Assemblies |
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1 | (1) |
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Understanding Customer Requirements |
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1 | (6) |
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Handling to Protect the PCBA |
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7 | (3) |
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PCBA Hardware Acceptability Considerations |
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10 | (5) |
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Component Installation or Placement Requirements |
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15 | (10) |
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Component and PCB Solderability Requirements |
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25 | (1) |
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25 | (7) |
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PCBA Laminate Condition, Cleanliness, and Marking Requirements |
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32 | (2) |
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34 | (1) |
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Solderless Wrapping of Wire to Posts (Wire Wrap) |
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35 | (2) |
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37 | |
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39 | |
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1 | (1) |
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1 | (2) |
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Definition of Defects, Faults, Process Indicators, and Potential Defects |
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3 | (1) |
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4 | (2) |
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Lead-Free Impact on Inspection |
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6 | (2) |
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Miniaturization and Higher Complexity |
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8 | (1) |
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8 | (4) |
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12 | (2) |
|
Three-Dimensional Automated Solder Paste Inspection |
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|
14 | (2) |
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16 | (1) |
|
Post-Reflow Automated Inspection |
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|
17 | (6) |
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Implementation of Inspection Systems |
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|
23 | (1) |
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Design Implications of Inspection Systems |
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24 | |
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25 | |
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1 | (1) |
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1 | (1) |
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2 | (1) |
|
AD HOC Design for Testability |
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|
2 | (2) |
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Structured Design for Testability |
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4 | (1) |
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5 | |
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12 | |
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1 | (2) |
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1 | (1) |
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1 | (3) |
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4 | (3) |
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7 | (4) |
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In-Circuit Test Techniques |
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|
11 | (6) |
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Alternatives to Conventional Electrical Tests |
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17 | (2) |
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19 | |
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20 | |
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|
Conductive Anodic Filament Formation |
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|
3 | |
|
|
3 | (1) |
|
Understanding Caf Formation |
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|
3 | (4) |
|
Electrochemical Migration and Formation of Caf |
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|
7 | (3) |
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Factors that Affect Caf Formation |
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|
10 | (4) |
|
Test Method for Caf-Resistant Materials |
|
|
14 | (1) |
|
Manufacturing Tolerance Considerations |
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|
14 | |
|
|
15 | |
|
Reliability of Printed Circuit Assemblies |
|
|
1 | (1) |
|
Fundamentals of Reliability |
|
|
2 | (2) |
|
Failure Mechanisms of PCBS and Their Interconnects |
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|
4 | (15) |
|
Influence of Design on Reliability |
|
|
19 | (1) |
|
Impact of PCB Fabrication and Assembly on Reliability |
|
|
20 | (7) |
|
Influence of Materials Selection on Reliability |
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|
27 | (9) |
|
Burn-in, Acceptance Testing, and Accelerated Reliability Testing |
|
|
36 | (9) |
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|
45 | |
|
|
45 | (2) |
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|
47 | |
|
Component-to-PWB Reliability: The Impact of Design Variables and Lead Free |
|
|
1 | (1) |
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|
1 | (1) |
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|
2 | (3) |
|
Variables that Impact Reliability |
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|
5 | |
|
|
30 | |
|
Component-to-PWB Reliability: Estimating Solder-Joint Reliability and the Impact of Lead-Free Solders |
|
|
1 | (2) |
|
|
1 | (2) |
|
Thermomechanical Reliability |
|
|
3 | (17) |
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|
20 | (7) |
|
Finite Element Analysis (FEA) |
|
|
27 | |
|
|
35 | |
|
Part 14 Environmental Issues |
|
|
|
Process Waste Minimization and Treatment |
|
|
3 | (1) |
|
|
3 | (1) |
|
|
3 | (2) |
|
Major Sources and Amounts of Wastewater in a Printed Circuit Board Fabrication Facility |
|
|
5 | (1) |
|
|
6 | (2) |
|
Pollution Prevention Techniques |
|
|
8 | (7) |
|
Recycling and Recovery Techniques |
|
|
15 | (3) |
|
|
18 | (3) |
|
Chemical Treatment Systems |
|
|
21 | (5) |
|
Advantages and Disadvantages of Various Treatment Alternatives |
|
|
26 | |
|
Part 15 Flexible Circuits |
|
|
|
Flexible Circuit Applications and Materials |
|
|
3 | |
|
Introduction to Flexible Circuits |
|
|
3 | (3) |
|
Applications of Flexible Circuits |
|
|
6 | (1) |
|
High-Density Flexible Circuits |
|
|
6 | (2) |
|
Materials for Flexible Circuits |
|
|
8 | (1) |
|
Substrate Material Properties |
|
|
9 | (4) |
|
|
13 | (1) |
|
|
14 | (5) |
|
|
19 | (3) |
|
|
22 | (1) |
|
|
22 | (1) |
|
Restriction of Hazardous Substances (ROHS) Issues |
|
|
23 | |
|
Design of Flexible Circuits |
|
|
1 | (1) |
|
|
1 | (1) |
|
|
1 | (1) |
|
Types of Flexible Circuits |
|
|
2 | (10) |
|
Circuit Designs for Flexibility |
|
|
12 | (3) |
|
Electrical Design of the Circuits |
|
|
15 | (1) |
|
Circuit Designs for Higher Reliability |
|
|
16 | (1) |
|
Circuit Designs for Rohs Compliance |
|
|
17 | |
|
Manufacturing of Flexible Circuits |
|
|
1 | (1) |
|
|
1 | (1) |
|
Special Issues with HDI Flexible Circuits |
|
|
1 | (2) |
|
|
3 | (11) |
|
New Processes for Fine Traces |
|
|
14 | (10) |
|
|
24 | (6) |
|
|
30 | (1) |
|
|
31 | (2) |
|
|
33 | (1) |
|
|
33 | (1) |
|
Roll-to-Roll Manufacturing |
|
|
34 | (2) |
|
|
36 | |
|
Termination of Flexible Circuits |
|
|
1 | (1) |
|
|
1 | (1) |
|
Selection of Termination Technologies |
|
|
1 | (3) |
|
|
4 | (7) |
|
Semipermanent Connections |
|
|
11 | (2) |
|
|
13 | (7) |
|
High-Density Flexible Circuit Termination |
|
|
20 | |
|
Multilayer Flex and Rigid/Flex |
|
|
1 | (1) |
|
|
1 | (1) |
|
|
1 | (1) |
|
Special Constructions of Flexible Circuits |
|
|
1 | (1) |
|
|
1 | (1) |
|
|
1 | (7) |
|
|
8 | (2) |
|
|
10 | (2) |
|
Thick-Film Conductor Flex Circuits |
|
|
12 | (1) |
|
Shielding of the Flexible Cables |
|
|
13 | (1) |
|
Functional Flexible Circuits |
|
|
14 | |
|
Quality Assurance of Flexible Circuits |
|
|
1 | (1) |
|
|
1 | (1) |
|
Basic Concepts in Flexible Circuit Quality Assurance |
|
|
1 | (1) |
|
Automatic Optical Inspection Systems |
|
|
2 | (1) |
|
|
3 | (1) |
|
|
3 | (1) |
|
|
3 | (3) |
|
|
6 | (1) |
|
Flexible Circuit Feature Inspection |
|
|
6 | (2) |
|
Standards and Specifications for Flexible Circuits |
|
|
8 | |
Appendix |
|
1 | (1) |
Glossary |
|
1 | (1) |
Index |
|
1 | |