| Introduction | p. 1 |
| Original Motivation for CMP | p. 1 |
| CMP Technology and Its Technical Understanding | p. 1 |
| Applications of CMP to Semiconductor Processing | p. 2 |
| Polishing Tools and Consumables of CMP Technology | p. 3 |
| Post CMP Cleaning | p. 4 |
| Integration of CMP Into the Semiconductor Fabrication Process | p. 5 |
| Pattern Dependency Issues | p. 5 |
| Other Issues | p. 6 |
| References | p. 6 |
| CMP Technology | p. 7 |
| Background and Motivation for CMP | p. 7 |
| Description ofthe CMP Process | p. 8 |
| Polishing Equipment | p. 8 |
| PolishProcess | p. 12 |
| Planarization | p. 14 |
| Polish Process Variables | p. 19 |
| Scales and Random Polishing Effects | p. 26 |
| Random Effects | p. 30 |
| Slurries with Particles Other than Silica | p. 31 |
| Non-ILD Non-Metal CMP | p. 33 |
| Conclusion | p. 37 |
| References | p. 38 |
| Metal Polishing Processes | p. 41 |
| Metal Polishing Processes | p. 41 |
| Evolution of Damascene Surface Morphology During Polishing | p. 46 |
| Specifics of Tungsten and Copper Polishing | p. 51 |
| Metal Polishing Chemistry | p. 60 |
| Acid-Base Equilibria | p. 62 |
| Buffering | p. 63 |
| Oxidation-Reduction Reactions | p. 66 |
| Half Reactions | p. 67 |
| Electrode Potentials | p. 67 |
| Complexation | p. 71 |
| Surfactants and Inhibitors | p. 74 |
| The Future of Metal Polishing | p. 79 |
| References | p. 80 |
| Metal CMP Science | p. 85 |
| Introduction | p. 85 |
| Tungsten Experimental Data -Chemical and Electrochemical | p. 86 |
| Tungsten Experimental Data -Role of Slurry Particle | p. 97 |
| Conclusions on Mechanisms on W CMP | p. 103 |
| Copper Experimental Data -Chemical and Electrochemical | p. 104 |
| Copper Summary | p. 118 |
| CMPRemovalModels | p. 119 |
| TungstenModelofPaul | p. 120 |
| TungstenModelofSteinetal | p. 124 |
| Copper Model of Babu et al | p. 127 |
| Model Summary | p. 129 |
| Future Trends | p. 130 |
| References | p. 131 |
| Equipment Used in CMP Processes | p. 133 |
| CMPToolRequirements | p. 133 |
| RotaryCMPTools | p. 138 |
| Rotary Kinematics | p. 139 |
| Carousel Systems | p. 142 |
| Orbital Systems | p. 143 |
| Linear Systems | p. 146 |
| Modified Grinding Systems | p. 148 |
| Web Format Tools | p. 149 |
| Electrochemical Mechanical Planarization | p. 151 |
| Carrier Technology | p. 151 |
| Pad Conditioning | p. 155 |
| Endpointing | p. 158 |
| Summary | p. 163 |
| References | p. 163 |
| CMP Polishing Pads | p. 167 |
| Introduction | p. 167 |
| Polymer Requirements for Polishing Pads | p. 167 |
| Basics ofPolyurethanes | p. 170 |
| Types of Commercially Available Polishing Pads and Their Manufacture | p. 172 |
| ControlofPolyurethanePadProperties | p. 180 |
| Control ofPadProperties Through PadGeometry | p. 189 |
| Relationships Between Pad Properties and Polishing Performance | p. 197 |
| Slurryless Pad Technology | p. 207 |
| Future Trends in Polishing Pads | p. 208 |
| Acknowledgements | p. 210 |
| References | p. 210 |
| Fundamentals of CMP Slurry | p. 215 |
| Introduction: Basic Components of CMP Slurries | p. 215 |
| Surface Science and Electrochemistry in CMP Slurry | p. 217 |
| Slurry as a Suspension | p. 222 |
| SolidsContent | p. 232 |
| Slurry Handling | p. 241 |
| Future Trends in Slurry | p. 245 |
| Summary | p. 246 |
| References | p. 247 |
| CMP Cleaning | p. 251 |
| Introduction | p. 251 |
| PolishingandtheControlofCMP Defects | p. 259 |
| Mechanical Brush Scrubbing for CMP Cleaning | p. 260 |
| Non-Contact Processes for CMP Cleaning | p. 263 |
| Other Cleaning Technologies | p. 264 |
| Cleaning of Oxides, W, STI, Cu, and low k Materials | p. 265 |
| Future Directions for CMP Cleaning | p. 276 |
| Conclusion | p. 277 |
| References | p. 277 |
| Patterned Wafer Effects | p. 283 |
| Introduction | p. 283 |
| PlanarizationTerminologyandCharacterization | p. 283 |
| PatternDependenciesinDielectricCMP | p. 299 |
| Metal CMP Pattern Dependencies | p. 326 |
| References | p. 344 |
| Integration Issues of CMP | p. 351 |
| Oxide CMP Integration | p. 351 |
| Tungsten CMP | p. 373 |
| STIIntegration | p. 384 |
| Copper Damascene Integration | p. 396 |
| Other Applications of CMP | p. 407 |
| References | p. 412 |
| Appendix: Pourbaix Diagrams | p. 419 |
| References | p. 425 |
| Table of Contents provided by Publisher. All Rights Reserved. |