| Acknowledgments |
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xv | |
| Foreword |
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xvii | |
| Preface |
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xix | |
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The Importance of High-Reliability Products at Market Introduction---How and Why to Do a HALT |
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1 | (36) |
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2 | (1) |
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2 | (5) |
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Comparisons of Products with and without HALT |
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7 | (2) |
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9 | (9) |
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13 | (2) |
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Rapid Thermal Transitions |
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15 | (1) |
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15 | (1) |
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Combined Stresses in HALT |
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16 | (1) |
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Other HALT Stresses and Special Situations |
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17 | (1) |
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18 | (1) |
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A Perspective on Implementing Corrective Action as a Result of HALT |
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19 | (6) |
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A Proposal for Managing HALT Limits and Issues |
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19 | (1) |
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20 | (3) |
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23 | (1) |
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Comments Regarding the Various Vibration Tables |
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24 | (1) |
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25 | (1) |
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25 | (3) |
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Illustrating the Value of HALT |
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28 | (2) |
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Some Thoughts Regarding Ruggedizing a Product Prior to HALT |
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30 | (2) |
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The Recording of Failures and Corrective Action |
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32 | (1) |
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Troubleshooting Products under Stress Conditions |
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33 | (2) |
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35 | (2) |
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Highly Accelerated Stress Screen---HASS |
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37 | (24) |
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37 | (1) |
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The ABCs of Building Robust Products |
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38 | (1) |
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Production Product Stress Screen HASS |
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38 | (1) |
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39 | (2) |
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41 | (1) |
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Rate of Change of Temperature |
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42 | (1) |
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Acceleration Factor for Thermal Cycling |
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42 | (1) |
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Which Stress Levels Are Appropriate? |
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43 | (2) |
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Precipitation and Detection Screens |
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45 | (3) |
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45 | (1) |
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46 | (2) |
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A Comment on HASS Profiles or Screens |
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48 | (1) |
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48 | (6) |
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49 | (2) |
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51 | (1) |
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51 | (1) |
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Life Determination in Proof of Screen |
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52 | (2) |
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54 | (2) |
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56 | (1) |
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57 | (1) |
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58 | (1) |
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59 | (1) |
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60 | (1) |
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Beyond the Paradigm of Environmental Stress Screening---Using HASA |
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61 | (14) |
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61 | (1) |
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62 | (2) |
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Statistical Process Overview |
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64 | (2) |
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66 | (3) |
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68 | (1) |
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68 | (1) |
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A Control Chart for the HASA Process |
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69 | (1) |
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The Monitoring System Issues |
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70 | (1) |
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Problems Uncovered through HASA |
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71 | (3) |
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An Observation on Using Equation 3.1 |
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74 | (1) |
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74 | (1) |
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Refinements on Highly Accelerated Stress Audit (HASA) |
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75 | (18) |
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75 | (1) |
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Background and Assumptions |
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76 | (1) |
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Application of the Statistics |
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77 | (4) |
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A Graphical Tool for Detecting Defect Level Changes |
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81 | (3) |
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84 | (1) |
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Introduction to an Improved HASA Process |
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85 | (1) |
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85 | (1) |
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Typical Lot Acceptance Sampling Plan |
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86 | (1) |
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HASA Acceptance Sampling Plan |
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87 | (6) |
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The Equipment Required to Perform Efficient Accelerated Reliability Testing |
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93 | (22) |
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93 | (1) |
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93 | (2) |
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95 | (1) |
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95 | (1) |
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96 | (1) |
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96 | (1) |
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A Comparison of LN2 Systems and Compressor Systems for HALT and HASS |
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96 | (3) |
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99 | (2) |
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101 | (1) |
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101 | (2) |
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102 | (1) |
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102 | (1) |
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Work-Area Audible Noise Level |
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102 | (1) |
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102 | (1) |
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103 | (1) |
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Maximum System Capabilities |
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103 | (1) |
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103 | (1) |
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Auxiliary Equipment, Operator Safety, and ESD |
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103 | (1) |
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104 | (9) |
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Why Develop an In-House Failure Analysis Capability? |
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105 | (2) |
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107 | (1) |
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Metallographic Sample Preparation |
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108 | (3) |
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111 | (1) |
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Failure Analysis Conclusion |
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112 | (1) |
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113 | (2) |
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How to Sell New Concepts to Management |
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115 | (14) |
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115 | (1) |
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116 | (1) |
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116 | (2) |
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118 | (2) |
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Addressing Potential Management Concerns |
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120 | (3) |
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123 | (3) |
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126 | (3) |
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Some Commonly Asked Questions and Observations |
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129 | (18) |
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How Would Someone Compare ESS and HASS? |
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129 | (1) |
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What Is HALT in a Few Words? |
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130 | (1) |
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How Would One Compare Product Qualification Methods and HALT? |
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131 | (1) |
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Is HALT for Quality Improvement or Is It Intended to Replace RGT and MTBF Tests? |
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132 | (1) |
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Is There Any Merit to Subjecting a Product to Stresses Far Beyond Its Design Specifications? |
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132 | (1) |
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What Are Product Specific and Generic Stresses? |
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133 | (1) |
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If HALT and HASS Are So Great, Why Isn't Everyone Using HALT and HASS? |
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134 | (1) |
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135 | (1) |
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At What Product Level Should HALT Be Performed? |
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135 | (1) |
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Who Should Be Involved with the Accelerated Reliability Program? |
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136 | (1) |
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Physically, Where Should HALT Be Performed? |
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137 | (1) |
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How Many Units Are Required, and What Can Be Done With Them Once We're Finished with HALT? |
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138 | (1) |
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Why a Cultural Change May Be Required in Order to Perform a Successful HALT |
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138 | (1) |
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Can a Conventional Chamber and Vibration Table Be Used to Perform a HALT? |
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139 | (2) |
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Are All Six Degrees of Freedom Shakers the Same? |
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141 | (1) |
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Are There Any Known Problems in Applying Product Temperature Ramp Rates of ≥60°C per Minute? |
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142 | (1) |
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Are There Any Advantages to Performing Sequential Rather Than Combined Stress Regimens? |
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142 | (1) |
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Do HALT and HASS Just Uncover Electronic Defects? |
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142 | (1) |
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Can HASS Eliminate My Production Steady State, Elevated Temperature Burn-in? |
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143 | (1) |
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At What Levels of Temperature and Vibration Can I Consider the Product Robust? |
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143 | (1) |
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How Can You Justify Doing HALT on Products with a Very Short Field Life? |
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144 | (1) |
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What Are the Yearly Maintenance Costs for the HALT Chambers? |
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144 | (1) |
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Can the Results of HALT Be Used to Accurately Estimate Field Life? |
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145 | (2) |
| Appendix A The Derivation of Equation 3.1 |
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147 | (2) |
| Glossary |
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149 | (8) |
| References |
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157 | (4) |
| Trademarks and Service Marks |
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161 | (2) |
| About the Author |
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163 | (2) |
| Index |
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165 | |
Lisainfo e-raamatute kohta