- ISBN: 9781606501870 | 1606501879
- Cover: Hardcover
- Copyright: 12/1/2009
Foreword | p. xi |
Preface to the Reissue of the Materials Characterization Series | p. xiii |
Preface to Series | p. xiv |
Preface to the Reissue of Integrated Circuit Packaging Materials | p. xv |
Preface | p. xvi |
Contributors | p. xix |
IC Package Reliability Testing | |
Introduction | p. 1 |
In-Process Quality Measurements | p. 2 |
Wire Bond Quality | p. 3 |
Die Attach Quality | p. 4 |
Other Process Control Measurements | p. 8 |
Package-Oriented Reliability Testing of Finished Devices: Moisture Testing | p. 10 |
Failure Analysis of Moisture-Related Failures | p. 11 |
Root Causes of Corrosion Failures | p. 12 |
Package-Oriented Reliability Testing of Finished Devices: Thermal Cycle Testing | p. 14 |
Bond Failures: Bond Pad Contamination | p. 16 |
Intermetallic Formation and Other Elements of Bond Formation | p. 18 |
Reliability Test Preconditioning: A New Direction | p. 23 |
Summary | p. 25 |
Mold Compound Adhesion and Strength | |
Introduction | p. 27 |
Thermodynamic Consideration of Adhesion | p. 28 |
Work of Adhesion | p. 28 |
The Work of Adhesion from Contact Angle Measurements | p. 30 |
Work of Adhesion in the Presence of Moisture and Lubricants | p. 30 |
Adhesive Strength for Various Mold Compound Types | p. 31 |
Adhesive Strength Measurements | p. 31 |
Mold Compound Types | p. 31 |
Adhesive Strength of Various Mold Compounds | p. 32 |
Various Factors Which Influence Adhesion Strength | p. 33 |
Effects of Lead Frame Oxides | p. 34 |
Effects of Different Lead Frame Materials | p. 38 |
Effects of Adhesion Promoters | p. 40 |
Effects of Various Mold Release and Processing Aids | p. 41 |
Effects of Mold Compound Rheology | p. 42 |
Role of Adhesion in Surface Mount Operations | p. 43 |
Moisture Absorption and Its Effect on Adhesion | p. 45 |
Package Delamination and Cracking in VPR and SDIP | p. 45 |
Role of Adhesion in Package Reliability | p. 48 |
Metal Line Movement | p. 48 |
Highly Accelerated Stress Test (HAST) | p. 49 |
Physical Characterization of Mold Compounds | p. 49 |
Physical Properties of Various Mold Compounds | p. 49 |
Cure Kinetics | p. 51 |
Outlook for Future Mold Compounds | p. 53 |
Summary | p. 54 |
Mechanical Stress in IC Packages | |
Introduction | p. 57 |
Stress and Strain Relations: An Overview | p. 58 |
Stress Generation in IC Packages | p. 61 |
Tools for Stress Determination in IC Packages | p. 63 |
Finite Element Analysis | p. 64 |
Strain Gauges for Stress Analysis | p. 64 |
Moire Interferometry | p. 64 |
Indirect Stress Determination | p. 64 |
Application of Techniques to IC Packaging Problems | p. 64 |
Eutectic Die Attach | p. 65 |
Passivation Damage at Chip Corners | p. 66 |
Ball Bond Stresses | p. 68 |
Solder Reflow Damage | p. 69 |
Tape Automated Bonding Inner Lead Stresses | p. 72 |
Filler Particle-Induced Damage | p. 73 |
Mechanical Warpage | p. 73 |
Mechanical Damage | p. 74 |
Parametric Shifts Related to Package Stresses | p. 74 |
Solder Joint Stress and the Coffin-Manson Relation | p. 75 |
Summary | p. 76 |
Moisture Sensitivity and Delamination | |
Introduction | p. 79 |
Moisture/Reflow Sensitivity Evaluations | p. 81 |
Moisture Sensitivity Classification | p. 81 |
Moisture Absorption: Preconditioning | p. 83 |
Solder Reflow Damage | p. 85 |
Impact on Temperature-Cycle Performance | p. 91 |
Impact on THB Performance | p. 92 |
Moisture Desorption: Bake-Out | p. 93 |
Summary | p. 94 |
Thermal Management | |
Introduction | p. 97 |
IC Package Thermal Characteristics | p. 99 |
Factors Affecting Package Thermal Resistance | p. 105 |
Package Design | p. 105 |
Package Material Thermal Conductivity | p. 107 |
Die Attach Material | p. 111 |
Package Size and Die Size Effects | p. 111 |
Package Defects | p. 112 |
PCB Effect on Thermal Performance | p. 113 |
The Effect of Neighboring Components | p. 114 |
Heat Fins | p. 115 |
Thermal Design Challenges of Multi-Chip Modules | p. 115 |
Summary | p. 116 |
Electrical Performance of IC Packages | |
Introduction | p. 121 |
Designing for Performance | p. 123 |
Electrical Models for Packages and Interconnects | p. 125 |
Low Frequency Models | p. 125 |
Propagation Delay and Packaging | p. 127 |
Clock Frequency, Bandwidth, and Rise Time | p. 127 |
Propagation Delay | p. 128 |
RC Delay | p. 128 |
Time of Flight | p. 128 |
Switching Noise | p. 130 |
Signal Integrity | p. 134 |
Crosstalk | p. 135 |
Materials and Design Trends for High-Performance Packaging | p. 138 |
Summary | p. 143 |
Solderability of Integrated Circuits | |
Introduction | p. 145 |
Electronic Soldering Basics | p. 146 |
Soldering Definitions | p. 146 |
Solder Joints for Electronic Packages | p. 147 |
Solderability Defect Classifications | p. 147 |
IC Package Designs, Materials, and Solderability Test Methods | p. 148 |
Through-Hole Package Designs and Materials | p. 148 |
Surface Mount Package Designs and Materials | p. 150 |
Tape Automated Bonding Package Design and Materials | p. 152 |
IC Solderability Defects | p. 152 |
Through-Hole Solderability Problems | p. 152 |
SMT Solder Electroplating Process Defects | p. 155 |
SMT Lead Finish Defects | p. 158 |
SMT Solderability Problems Due to Mechanical Damage | p. 159 |
TAB Solderability Problems | p. 161 |
Solderability of IC Packages to PCBs | p. 162 |
Printed Circuit Boards | p. 162 |
Electronic Solders, Fluxes, and Pastes | p. 163 |
Summary | p. 165 |
Hermeticity and Joining in Ceramic IC Packages | |
Introduction | p. 167 |
Materials for Hermetic IC Packaging | p. 169 |
Hermeticity Testing-History | p. 173 |
Theory of Hermeticity Testing | p. 174 |
Gross-Leak Testing Methodology | p. 177 |
Hermeticity Failure Analysis | p. 178 |
Alternatives to Hermetic Packaging | p. 182 |
Summary | p. 183 |
Advanced Interconnect Technology | |
Introduction | p. 187 |
MCM Technology Classifications | p. 188 |
MCM Materials Selection | p. 190 |
Substrate Materials and Design | p. 191 |
Polyimide Dielectrics | p. 194 |
Test Substrates | p. 195 |
Power Density | p. 196 |
Die Mounting and Stress | p. 198 |
Die Bond Adhesive Strength | p. 199 |
Flip-Chip Technology | p. 200 |
Die Interconnection | p. 201 |
Wire Bond Technology | p. 201 |
Bond Optimization | p. 203 |
MCM Packages | p. 204 |
Substrate-Based Packages | p. 204 |
Summary | p. 205 |
Technique Summaries | |
Acoustic Microscopy (C-AM) | p. 209 |
Atomic Absorption Spectrometry (AAS) | p. 213 |
Auger Electron Spectroscopy (AES) | p. 214 |
Ceramic Plate Test (CPT) for Evaluating Solderability of IC Devices | p. 215 |
Coulometric Method for Solderability Evaluation | p. 218 |
Decapsulation Techniques | p. 222 |
Differential Scanning Calorimetry (DSC) | p. 225 |
Dynamic Mechanical Analysis | p. 227 |
Dynamic Secondary Ion Mass Spectrometry (Dynamic SIMS) | p. 229 |
Electron Probe X-Ray Microanalysis (EPMA) | p. 230 |
Energy-Dispersive X-Ray Spectroscopy (EDS) | p. 231 |
Finite Element Analysis (FEA) | p. 232 |
Fourier Transform Infrared Spectroscopy (FTIR) | p. 235 |
Inductively Coupled Plasma Mass Spectrometry (ICPMS) | p. 236 |
Inductively Coupled Plasma-Optical Emission Spectroscopy (ICP-OES) | p. 237 |
In Situ Strain Gauges | p. 238 |
Ion Chromatography | p. 240 |
Mechanical Testing in IC Packaging | p. 243 |
Scanning Electron Microscopy (SEM) | p. 247 |
Scanning Tunneling Microscopy (STM) and Scanning Force Microscopy (SFM) | p. 248 |
Static Secondary Ion Mass Spectrometry (Static SIMS) | p. 249 |
Thermogravimetric Analysis (TGA) | p. 250 |
Thermomechanical Analysis (TMA) | p. 252 |
Torsional Braid Analysis (TBA) | p. 255 |
Wetting Balance Method to Evaluate the Solderability of IC Devices | p. 258 |
X-Ray Laminography | p. 260 |
X-Ray Photoelectron Spectroscopy (XPS) | p. 263 |
X-Ray Radiographic Inspection | p. 264 |
Index | p. 267 |
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