Preface |
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Series Editor |
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Editor |
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Contributors |
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1 Three-Dimensional Integration: Technology and Design |
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1 | (14) |
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1 | (1) |
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1.2 Three-Dimensional Integrated Circuit Technology Set |
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2 | (3) |
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1.3 Three-Dimensional Drivers |
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5 | (1) |
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5 | (1) |
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6 | (1) |
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1.6 Heterogeneous Integration |
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7 | (1) |
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1.7 Performance Enhancement |
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8 | (2) |
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10 | (2) |
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12 | (1) |
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12 | (3) |
2 Three-Dimensional System-in-Package for Application-Specific Integrated Circuit and Three-Dimensional Dynamic Random-Access Memory Integration |
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15 | (26) |
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2.1 Three-Dimensional SiP Introduction |
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15 | (2) |
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2.2 Enabling Technologies for 3D SiP |
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17 | (8) |
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2.2.1 Three-Dimensional Stackable Memory |
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17 | (2) |
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2.2.2 High-Density Interposer |
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19 | (4) |
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2.2.2.1 Silicon Interposer |
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19 | (2) |
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2.2.2.2 Organic Interposer |
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21 | (2) |
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2.2.3 Microbump Interconnect |
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23 | (2) |
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2.3 3D SiP for Application-Specific Integrated Circuits and High Bandwidth Memory Integration |
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25 | (4) |
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2.3.1 Organic Interposer Design |
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26 | (1) |
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2.3.2 Simulation and Results |
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27 | (2) |
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2.4 Three-Dimensional SiP Assembly |
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29 | (3) |
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2.5 Test and Characterization |
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32 | (1) |
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2.6 Reliability Challenge |
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33 | (4) |
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37 | (1) |
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38 | (3) |
3 A New Class of High-Capacity, Resource-Rich Field-Programmable Gate Arrays Enabled by Three-Dimensional Integration Chip-Stacked Silicon Interconnect Technology |
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41 | (30) |
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42 | (1) |
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3.2 Architecture, Design, and Product Enablement |
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43 | (12) |
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44 | (1) |
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3.2.1.1 Limited Connectivity and Bandwidth |
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44 | (1) |
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3.2.1.2 Excessive Latency |
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44 | (1) |
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44 | (1) |
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3.2.2 Xilinx-Stacked Silicon Interconnect Technology |
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45 | (9) |
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3.2.2.1 Creating Field-Programmable Gate Array Die Slices with Microbumps for Stacked Silicon Integration |
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46 | (1) |
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3.2.2.2 Silicon Interposer with Through-Silicon Vias |
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47 | (1) |
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3.2.2.3 Three-Dimensional Integration Chip Analysis Methodology Enablement with Simulation Program with Integrated Circuit Emphasis Simulators |
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48 | (2) |
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3.2.2.4 Silicon Interposer Signal Integrity |
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50 | (4) |
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3.2.3 Three-Dimensional Integration Chip Resource-Rich Field-Programmable Gate Arrays Product Offerings |
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54 | (1) |
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3.3 Stacked Silicon Technology Development and Package Reliability |
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55 | (12) |
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3.3.1 Key-Enabling Technologies |
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55 | (4) |
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3.3.1.1 Silicon-Grinding Quality Optimization |
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57 | (1) |
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3.3.1.2 Wafer Edge and Bevel-Cleaning Optimization |
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57 | (1) |
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3.3.1.3 Silicon-Footing Improvement |
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58 | (1) |
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3.3.2 Three-Dimensional Integration Chip Development Test Vehicles |
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59 | (6) |
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3.3.2.1 28 nm Test Vehicle-Driven Process and Reliability Improvements |
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60 | (1) |
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3.3.2.2 Improvements to 20 nm Test Vehicle |
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61 | (2) |
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3.3.2.3 Board-Level Reliability Test Vehicle and Results |
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63 | (2) |
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3.3.3 Three-Dimensional Integration Chip Reliability Look-Ahead Assessments |
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65 | (22) |
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3.3.3.1 Continuous Process Yield Improvements |
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66 | (1) |
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3.4 Potential Three-Dimensional Integration Chip Future Challenges |
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67 | (1) |
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68 | (1) |
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68 | (3) |
4 Challenges in 3D Integration |
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71 | (14) |
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71 | (1) |
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4.2 Past Challenges in Three-Dimensional Integration |
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72 | (1) |
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4.3 Challenges in Three-Dimensional System Integration |
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73 | (3) |
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4.4 Challenges in Three-Dimensional Heterogeneous Integration |
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76 | (3) |
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4.5 Challenges toward Future Three-Dimensional Integration |
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79 | (2) |
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81 | (1) |
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81 | (4) |
5 Wafer-Level Three-Dimensional Integration Using Bumpless Interconnects and Ultrathinning |
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85 | (32) |
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86 | (1) |
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5.2 Co-Engineering by 3D and 2D |
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87 | (3) |
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5.2.1 Delay of Three-Dimensional Integration Technology |
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87 | (1) |
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5.2.2 Economic and Technical Issues for Lithography |
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87 | (1) |
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5.2.3 Co-Engineering Using Three Dimensional for Next Generation of Manufacturing |
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88 | (2) |
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5.3 Bumpless Interconnecting and Wafer-Level Three-Dimensional Integration |
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90 | (2) |
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5.3.1 Overview of Bumpless Interconnects |
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90 | (1) |
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5.3.2 Thickness of Wafer and Ultrathinning |
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91 | (1) |
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5.4 Details of Wafer-Level Three-Dimensional Process |
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92 | (6) |
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92 | (1) |
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93 | (1) |
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5.4.3 Through-Silicon Via Module |
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94 | (3) |
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5.4.4 Packaging Module (Singulation/Packaging Module) |
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97 | (1) |
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5.5 Device Characteristics after Ultrathinning |
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98 | (5) |
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5.5.1 Retention Time Change of Dynamic Random-Access Memory after Thinning |
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98 | (1) |
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5.5.2 Ultrathinning and Estimation of Critical Thickness |
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99 | (2) |
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5.5.3 Cu-Diffusion Phenomenon at Ground Surface |
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101 | (2) |
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5.6 Characteristics of Low-Aspect Ratio Through-Silicon Via Interconnects |
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103 | (3) |
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5.6.1 Step Coverage and Cu Diffusion |
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103 | (1) |
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5.6.2 Stresses in Cu Through-Silicon Vias |
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104 | (2) |
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5.6.3 Electrical Characteristics |
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106 | (1) |
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5.7 Thermal Resistance of Bumpless Interconnects and Thin Wafers |
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106 | (4) |
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5.8 Concurrent Manufacturing Using WOW |
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110 | (4) |
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5.8.1 Enhancement of Memory Capacity |
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110 | (1) |
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5.8.2 Yield in Wafer Stacking |
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111 | (1) |
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5.8.3 Benefits of Co-Engineering |
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112 | (2) |
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5.9 Summary and Conclusions |
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114 | (1) |
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114 | (3) |
6 Three-Dimensional Integration Stacking Technologies for High-Volume Manufacturing by Use of Wafer-Level Oxide-Bonding Integration |
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117 | (28) |
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Chandrasekharan Kothandaraman |
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118 | (3) |
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6.1.1 Rationale for Three-Dimensional Integration |
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118 | (2) |
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6.1.2 Rationale for Wafer-Bonding Technology |
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120 | (1) |
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6.1.3 Description of Work |
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120 | (1) |
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6.2 Chip-Level Three-Dimensional Integration with 22 nm Complementary Metal-Oxide-Semiconductor Technology |
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121 | (4) |
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6.3 Wafer-Bonding Technology for Three-Dimensional Integration Stacking |
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125 | (4) |
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6.3.1 Metal-Metal Bonding |
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126 | (1) |
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127 | (1) |
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128 | (1) |
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6.4 Oxide-Bonding Technology for Embedded Dynamic Random Access Memory Stacking |
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129 | (6) |
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6.4.1 Oxide-Bonding Layer Preparation |
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129 | (2) |
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6.4.2 Wafer-Level Three-Dimensional Integration with Oxide Bonding |
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131 | (4) |
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6.5 Key Electrical Metrics Performance Results for Embedded Dynamic Random Access Memory Stacking |
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135 | (5) |
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140 | (1) |
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141 | (1) |
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141 | (4) |
7 Toward Three-Dimensional High Density |
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145 | (40) |
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146 | (1) |
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7.2 Cu/SiO2 Hybrid Bonding |
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147 | (15) |
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7.2.1 Cu/SiO2 Hybrid Bonding Principle |
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147 | (1) |
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7.2.2 Technical Challenges Linked to Hybrid Bonding |
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148 | (7) |
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7.2.2.1 Surface Preparation |
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148 | (1) |
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7.2.2.2 Bonding Interface Characterization |
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149 | (3) |
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7.2.2.3 Bonding Energy Evolution with Temperature |
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152 | (1) |
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7.2.2.4 Copper Modification with Temperature |
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152 | (2) |
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7.2.2.5 Wafer Alignment Consideration |
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154 | (1) |
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7.2.2.6 Investigation on Copper Diffusion |
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154 | (1) |
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7.2.2.7 Pad Dimension Reduction |
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155 | (1) |
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7.2.3 Electrical Performances Evaluation of Hybrid Bonding |
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155 | (4) |
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7.2.3.1 Electrical Structures Presentation and Performances |
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155 | (2) |
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7.2.3.2 Environmental Reliability Study |
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157 | (1) |
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158 | (1) |
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7.2.4 Hybrid Bonding Maturity Increase: Moving toward Production |
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159 | (1) |
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7.2.5 Specificity of the Die-to-Wafer Process Variation |
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160 | (1) |
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7.2.6 Die-to-Wafer Process Throughput Increase with Self-Assembly |
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161 | (1) |
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7.3 3D Sequential: 3D Very-Large-Scale-Integration CoolCube™ |
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162 | (10) |
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7.3.1 3D Sequential: Principle |
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163 | (1) |
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7.3.2 3D Sequential: State of the Art |
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164 | (1) |
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7.3.3 3D Sequential: Integration Process Flow and Low-Temperature Top FETs |
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165 | (2) |
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7.3.4 3D Sequential: Intermediate Back-End-of-Line |
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167 | (2) |
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7.3.5 3D Sequential: 300 mm Electrical Demonstration |
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169 | (3) |
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7.4 3D Technologies Comparative Thermal Analysis |
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172 | (7) |
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7.4.1 3D Technology Parameters for Thermal Comparison |
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172 | (3) |
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7.4.2 Comparative Study Thermal Results |
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175 | (2) |
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7.4.2.1 For Hot-Spot Dissipation Scenarios |
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176 | (1) |
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7.4.2.2 For Uniformly Distributed Power Dissipation Scenarios |
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177 | (1) |
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7.4.3 Thermal Comparison Conclusion |
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177 | (2) |
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179 | (1) |
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179 | (6) |
8 Novel Platforms and Applications Using Three-Dimensional and Heterogeneous Integration Technologies |
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185 | (26) |
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186 | (1) |
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8.2 Stacked Terahertz Optical Component |
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186 | (8) |
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8.2.1 THz Wave Applications |
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186 | (1) |
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8.2.2 Issues of Common THz Polarizers |
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187 | (1) |
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8.2.3 Fundamentals and Fabrication Methods |
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188 | (2) |
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8.2.3.1 Structure Design of THz Polarizer |
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188 | (1) |
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8.2.3.2 Fabrication Methods and Low-Temperature Eutectic Liquid Bonding |
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189 | (1) |
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8.2.4 Performance of Staked THz Polarizer |
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190 | (3) |
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8.2.4.1 Bonding and Etching Qualities |
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190 | (1) |
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8.2.4.2 High Transmittance THz Polarizer |
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191 | (1) |
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8.2.4.3 Broadband THz Polarizer |
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192 | (1) |
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8.2.5 Comparison between Common and Stacked THz Polarizers |
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193 | (1) |
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8.3 Pressure-Sensing System |
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194 | (6) |
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8.3.1 Pressure-Sensing Platform |
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195 | (1) |
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196 | (1) |
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8.3.3 Micropin-Fin Heat Sink Interposer |
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196 | (2) |
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8.3.4 Integration of Micropin-Fin Heat Sink Interposer and Chips with Double-Self-Assembly Approach |
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198 | (1) |
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8.3.5 Achievements and Outlook |
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199 | (1) |
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200 | (8) |
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8.4.1 Fabrication, Scheme, and Reliability of Neural Sensing Biosensor |
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201 | (2) |
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8.4.1.1 Three-Dimensional System-in-Packaging Neural Sensing Biosensor |
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201 | (1) |
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8.4.1.2 Chip-Level Heterogeneous Integration Scheme |
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201 | (1) |
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8.4.1.3 Electroplating Solution Improvement |
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201 | (2) |
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8.4.1.4 Electrical Reliability Tests |
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203 | (1) |
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8.4.2 2.5D-Silicon Interposer Neural Sensing Biosensor |
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203 | (2) |
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8.4.2.1 Fabrication of Silicon Interposer and Through-Silicon Via-Embedded µ-Probe |
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204 | (1) |
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8.4.2.2 Electrical Reliability Test |
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204 | (1) |
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8.4.3 2.5D-Flexible Interposer Neural Sensing Biosensor |
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205 | (2) |
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8.4.3.1 Fabrication of Flexible Interposer |
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205 | (1) |
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8.4.3.2 Novel Flexible Bonding Approach |
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206 | (1) |
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8.4.3.3 Electrical Reliability Test of Novel Thin Film-Bonding Approaches |
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206 | (1) |
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207 | (1) |
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208 | (3) |
Index |
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