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 Part 1 Lead-Free Legislation
 Chapter 1. Legislation and Impact on Printed Circuits 1.3
 1.1 Legislation Overview / 1.3
 1.2 Waste Electrical and Electronic Equipment (WEEE) / 1.3
 1.3 Restriction of Hazardous Substances (RoHS) / 1.3
 1.4 RoHS’ Impact on the Printed Circuit Industry / 1.6
 1.5 Lead-Free perspecives / 1.10
 1.6 Other Legislative Initiatives / 1.10
 Part 2 Printed Circuit Technology Drivers
 Chapter 2. ELECTRONIC PACKAGING AND HIGH-DENSITY
 INTERCONNECTIVITY 2.3
 2.1 Introduction / 2.3
 2.2 Measuring the Interconnectivity Revolution (HDI) / 2.3
 2.3 Hierarchy of Interconnections / 2.6
 2.4 Factors Affecting Selection of Interconnections / 2.7
 2.5 ICS and Packages / 2.10
 2.6 Density Evaluations / 2.14
 2.7 Methods to Increase PWB Density / 2.16
 References / 2.21
 Chapter 3. Semiconductor Packaging Technology 3.1
 3.1 Introduction / 3.1
 3.2 Single-Chip Packaging / 3.5
 3.3 Multichip Packages / 3.15
 3.4 Optical Interconnects / 3.18
 3.5 High-Density/High-Performance Packaging Summary / 3.21
 3.6 Roadmap Information / 3.21
 References / 3.21
 Chapter 4. Advanced Component Packaging 4.1
 4.1 Introduction / 4.1
 4.2 Lead-Free / 4.2
 4.3 System-on-a-Chip (SOC) versus System-on-a-Package (SOP) / 4.3
 
 4.4 Multichip Modules / 4.5
 4.5 Multichip Packaging / 4.6
 4.6 Enabling Technologies / 4.10
 4.7 Acknowledgment / 4.18
 References / 4.18
 Chapter 5. Types of Printed Wiring Boards 5.1
 5.1 Introduction / 5.1
 5.2 Classification of Printed Wiring Boards / 5.1
 5.3 Organic and Nonorganic Substrates / 5.3
 5.4 Graphical and Discrete-Wire Boards / 5.3
 5.5 Rigid and Flexible Boards / 5.5
 5.6 Graphically Produced Boards / 5.6
 5.7 Molded Interconnection Devices / 5.10
 5.8 Plated-Through-Hole (PTH) Technologies / 5.10
 5.9 Summary / 5.13
 References / 5.14
 Part 3 Materials
 Chapter 6. Introduction to Base Materials 6.3
 6.1 Introduction / 6.1
 6.2 Grades and Specifications / 6.3
 6.3 Properties Used to Classify Base Materials / 6.9
 6.4 Types of FR-4 / 6.13
 6.5 Laminate Identification Scheme / 6.14
 6.6 Prepreg Identification Scheme / 6.18
 6.7 Laminate and Prepreg Manufacturing Processes / 6.18
 References / 6.24
 Chapter 7. Base Material Components 7.1
 7.1 Introduction / 7.1
 7.2 Epoxy Resin Systems / 7.1
 7.3 Other Resin Systems / 7.5
 7.4 Additives / 7.7
 7.5 Reinforcements / 7.12
 7.6 Conductive Materials / 7.18
 References / 7.25
 Chapter 8. Properties of Base Materials 8.1
 8.1 Introduction / 8.1
 8.2 Thermal, Physical, and Mechanical Properties / 8.1
 8.3 Electrical Properties / 8.13
 References / 8.16
 Chapter 9. Base Materials Performance Issues 9.1
 9.1 Introduction / 9.1
 9.2 Methods of Increasing Circuit Density / 9.2
 9.3 Copper foil / 9.2
 9.4 Laminate Constructions / 9.7
 9.5 Prepreg Options and Yield-Per-Ply Values / 9.9
 
 9.6 Dimensional Stability / 9.10
 9.7 High-Density Interconnect/Microvia Materials / 9.13
 9.8 CAF Growth / 9.15
 9.9 Electrical Performance / 9.22
 References / 9.33
 Chapter 10. The Impact of Lead-Free Assembly on Base Materials 10.1
 10.1 Introduction / 10.1
 10.2 RoHS Basics / 10.1
 10.3 Base Material Compatibility Issues / 10.2
 10.4 The Impact of Lead-Free Assembly on Base Material Components / 10.4
 10.5 Critical Base Material Properties / 10.4
 10.6 Impact on Printed Circuit Reliability and Material Selection / 10.18
 10.7 Summary / 10.21
 References / 10.22
 Chapter 11. Selecting Base Materials for Lead-Free Assembly Applications 11.1
 11.1 Introduction / 11.1
 11.2 Pcb fabrication and Assembly Interactions / 11.1
 11.3 Selecting the Right Base Material for Specific Application / 11.6
 11.4 Example Application of this Tool / 11.14
 11.5 Discussion of the Range of Peak Temperatures for Lead-Free Assembly / 11.15
 11.6 Lead-Free Applications and Ipc-4101 Specification Sheets / 11.15
 11.7 Additional Base material Options for Lead-Free Applications / 11.16
 11.8 Summary / 11.17
 References / 11.18
 Chapter 12. Laminate Qualification and Testing 12.1
 12.1 Introduction / 12.1
 12.2 Industry Standards / 12.2
 12.3 Laminate Test Strategy / 12.4
 12.4 Initial Tests / 12.5
 12.5 Full Material Characterization / 12.9
 12.6 Characterization Test Plan / 12.22
 12.7 Manufacturability in the Shop / 12.23
 Part 4 Engineering and Design
 Chapter 13. Physical Characteristics of the PCB 13.3
 13.1 Classes of PCB Designs / 13.3
 13.2 Types of PCBs or Packages for Electronic Circuits / 13.9
 13.3 Methods of Attaching Components / 13.14
 13.4 Component Package Types / 13.15
 13.5 Materials Choices / 13.18
 13.6 Fabrication Methods / 13.22
 13.7 Choosing a Package Type and Fabrication Vendor / 13.24
 Chapter 14. The PCB Design Process 14.1
 14.1 Objective of the PCB Design Process / 14.1
 14.2 Design Processes / 14.1
 
 14.3 Design Tools / 14.6
 14.4 Selecting a Set of Design Tools / 14.10
 14.5 Interfacing Cae, Cad, and CAMTools to Each Other / 14.11
 14.6 Inputs to the Design Process / 14.11
 Chapter 15. Electrical and Mechanical Design Parameters 15.1
 15.1 Printed Circuit Design Requirements / 15.1
 15.2 Introduction to Electrical Signal Integrity / 15.1
 15.3 Introduction to Electromagnetic Compatibility / 15.3
 15.4 Noise Budget / 15.4
 15.5 Designing for Signal Integrity and Electromagnetic Compatibility / 15.4
 15.6 Mechanical Design Requirements / 15.9
 References / 15.17
 Chapter 16. Current Carrying Capacity in Printed Circuits 16.1
 16.1 Introduction / 16.1
 16.2 Conductor (Trace) Sizing Charts / 16.1
 16.3 Current Carrying Capacity / 16.2
 16.4 Charts / 16.6
 16.5 Baseline Charts / 16.10
 16.6 Odd-Shaped Geometries and the “Swiss Cheese” Effect / 16.19
 16.7 Copper Thickness / 16.20
 References / 16.21
 Chapter 17. PCB Design for Thermal Performance 17.1
 17.1 Introduction / 17.1
 17.2 The PCB as a Heat Sink Soldered to the Component / 17.2
 17.3 Optimizing the PCB for Thermal Performance / 17.3
 17.4 Conducting Heat to the Chassis / 17.12
 17.5 PCB Requirements for High-Power Heat Sink Attach / 17.14
 17.6 Modeling the Thermal Performance of the PCB / 17.15
 References / 17.18
 Chapter 18. Information Formating and Exchange 18.1
 18.1 Introduction to Data Exchange / 18.1
 18.2 The Data Exchange Process / 18.3
 18.3 Data Exchange Formats / 18.9
 18.4 Drivers for Evolution / 18.22
 18.5 Acknowledgment / 18.23
 References / 18.23
 Chapter 19. Planning for Design, Fabrication, and Assembly 19.1
 19.1 Introduction / 19.1
 19.2 General Considerations / 19.3
 19.3 New Product Design / 19.4
 19.4 Layout Trade-off Planning / 19.10
 19.5 PWB Fabrication Trade-off Planning / 19.17
 19.6 Assembly Trade
 
 Chapter 20. Manufacturing Information, Documentation,
 and Transfer Including CAM Tooling for Fab and Assembly 20.1
 20.1 Introduction / 20.1
 20.2 Manufacturing Information / 20.2
 20.3 Initial Design Review / 20.7
 20.4 Design Input / 20.15
 20.5 Design Analysis and Review / 20.19
 20.6 The CAM-Tooling Process / 20.19
 20.7 Additional Processes / 20.31
 20.8 Acknowledgment / 20.32
 Chapter 21. Embedded Components 21.1
 21.1 Introduction / 21.1
 21.2 Definitions and Example / 21.1
 21.3 Applications and Trade-Offs / 21.2
 21.4 Designing for Embedded Component Applications / 21.3
 21.5 Materials / 21.6
 21.6 Material Supply Types / 21.9
 Part 5 High Density Interconnection
 Chapter 22. Introduction to High-Density Interconnection (HDI) Technology 22.3
 22.1 Introduction / 22.3
 22.2 Definitions / 22.3
 22.3 HDI Structures / 22.7
 22.4 Design / 22.11
 22.5 Dielectric Materials and Coating Methods / 22.13
 22.6 HDI Manufacturing Processes / 22.26
 References / 22.34
 Bibliography-Additional Reading / 22.35
 Chapter 23. Advanced High-Density Interconnection (HDI) Technologies 23.1
 23.1 Introduction / 23.1
 23.2 Definitions of HDI Process Factors / 23.1
 23.3 HDI Fabrication Processes / 23.3
 23.4 Next-Generation HDI Processes / 23.33
 References 23.37
 Part 6 Fabrication
 Chapter 24. Drilling Processes 24.3
 24.1 Introduction / 24.3
 24.2 Materials / 24.4
 24.3 Machines / 24.11
 24.4 Methods / 24.15
 24.5 Hole Quality / 24.18
 24.6 Postdrilling Inspection / 24.20
 24.7 Drilling Cost Per Hole / 24.2
 
 Chapter 25. Precision Interconnect Drilling 25.1
 25.1 Introduction / 25.1
 25.2 Factors Affecting High-Density Drilling / 25.1
 25.3 Laser versus Mechanical / 25.2
 25.4 Factors Affecting High-Density Drilling / 25.5
 25.5 Depth-Controlled Drilling Methods / 25.10
 25.6 High-Aspect-Ratio Drilling / 25.10
 25.7 Innerlayer Inspection of Multilayer Boards / 25.13
 Chapter 26. Imaging 26.1
 26.1 Introduction / 26.1
 26.2 Photosensitive Materials / 26.2
 26.3 Dry-Film Resists / 26.4
 26.4 Liquid Photoresists / 26.7
 26.5 Electrophoretic Depositable Photoresists / 26.8
 26.6 Resist Processing / 26.8
 26.7 Design for Manufacturing / 26.27
 References / 26.29
 Chapter 27. Multilayer Materials and Processing 27.1
 27.1 Introduction / 27.1
 27.2 Printed Wiring Board Materials / 27.2
 27.3 Multilayer Construction Types / 27.16
 27.4 ML-PWB Processing and Flows / 27.37
 27.5 Lamination Process / 27.51
 27.6 Lamination Process Control and Troubleshooting / 27.59
 27.7 Lamination Overview / 27.63
 27.8 ML-PWB Summary / 27.63
 References / 27.63
 Chapter 28. Preparing Boards for Plating 28.1
 28.1 Introduction / 28.1
 28.2 Process Decisions / 28.1
 28.3 Process Feedwater / 28.3
 28.4 Multilayer PTH Preprocessing / 28.4
 28.5 Electroless Copper / 28.8
 28.6 Acknowledgment / 28.11
 References / 28.11
 Chapter 29. Electroplating 29.1
 29.1 Introduction / 29.1
 29.2 Electroplating Basics / 29.1
 29.3 High-Aspect Ratio Hole and Microvia Plating / 29.2
 29.4 Horizontal Electroplating / 29.4
 29.5 Copper Electroplating General Issues / 29.6
 29.6 Acid Copper Sulfate Solutions and Operation / 29.14
 29.7 Solder (Tin-Lead) Electroplating / 29.19
 29.8 Tin Electroplating / 29.21
 29.9 Nickel Electroplating / 29.23
 29.10 Gold Electroplating / 29.25
 29.11 Platinum Metals / 29.28
 29.12 Silver Electroplating / 29.29
 
 29.13 Laboratory Process control / 29.29
 29.14 Acknowledgment / 29.31
 References / 29.31
 Chapter 30. Direct Plating 30.1
 30.1 Direct Metallization Technology / 30.1
 References / 30.11
 Chapter 31. PWB Manufacture Using Fully Electroless Copper 31.1
 31.1 Fully Electroless Plating / 31.1
 31.2 The Additive Process and its Variations / 31.2
 31.3 Pattern-Plating Additive / 31.2
 31.4 Panel-Plate Additive / 31.7
 31.5 Partly Additive / 31.8
 31.6 Chemistry of Electroless Plating / 31.9
 31.7 Fully Electroless Plating Issues / 31.12
 References / 31.14
 Chapter 32. Printed Circuit Board Surface Finishes 32.1
 32.1 Introduction / 32.1
 32.2 Alternative Finishes / 32.3
 32.3 Hot Air Solder Level (Hasl or Hal) / 32.4
 32.4 Electroless Nickel Immersion Gold (ENIG) / 32.6
 32.5 Organic Solderability Preservative (OSP) / 32.8
 32.6 Immersion Silver / 32.10
 32.7 Immersion Tin / 32.11
 32.8 Other Surface Finishes / 32.13
 32.9 Assembly Compatibility / 32.14
 32.10 Reliability Test Methods / 32.17
 32.11 Special Topics / 32.18
 32.12 Failure Modes / 32.19
 32.13 Comparing Surface Finish Properties / 32.23
 References / 32.23
 Chapter 33. Solder Mask 33.1
 33.1 Introduction / 33.1
 33.2 Trends and Challenges for Solder Mask / 33.2
 33.3 Types of Solder Mask / 33.3
 33.4 Solder Mask Selection / 33.4
 33.5 Solder Mask Application and Processing / 33.9
 33.6 VIA Protection / 33.18
 33.7 Solder Mask Final Properties / 33.19
 33.8 Legend and Marking (Nomenclature) / 33.19
 Chapter 34. Etching Process and Technologies 34.1
 34.1 Introduction / 34.1
 34.2 General Etching Considerations and Procedures / 34.2
 34.3 Resist Removal / 34.4
 34.4 Etching Solutions / 34.6
 34.5 Other Materials for Board Construction / 34.18
 34.6 Metals Other than Copper / 34.19
 34.7 Basics of Etched Line Formation / 34.20
 
 34.8 Equipment and Techniques / 34.26
 References / 34.29
 Chapter 35. Machining and Routing 35.1
 35.1 Introduction / 35.1
 35.2 Punching Holes (Piercing) / 35.1
 35.3 Blanking, Shearing, and Cutting of Copper-Clad Laminates / 35.3
 35.4 Routing / 35.6
 35.5 Scoring / 35.13
 35.6 Acknowledgment / 35.15
 Part 7 Bare Board Test
 Chapter 36. Bare Board Test Objectives and Definitions 36.3
 36.1 Introduction / 36.3
 36.2 The Impact of HDI / 36.3
 36.3 Why Test? / 36.4
 36.4 Circuit Board Faults / 36.6
 Chapter 37. Bare Board Test Methods 37.1
 37.1 Introduction / 37.1
 37.2 Nonelectrical Testing Methods / 37.1
 37.3 Basic Electrical Testing Methods / 37.2
 37.4 Specialized Electrical Testing Methods / 37.9
 37.5 Data and Fixture Preparation / 37.13
 37.6 Combined Testing Methods / 37.20
 Chapter 38. Bare Board Test Equipment 38.1
 38.1 Introduction / 38.1
 38.2 System Alternatives / 38.1
 38.3 Universal Grid Systems / 38.3
 38.4 Flying-Probe/Moving-Probe Test Systems / 38.17
 38.5 Verification and Repair / 38.21
 38.6 Test Department Planning and Management / 38.22
 Chapter 39. HDI Bare Board Special Testing Methods 39.1
 39.1 Introduction / 39.1
 39.2 Fine-Pitch Tilt-Pin Fixtures / 39.2
 39.3 Bending Beam Fixtures / 39.3
 39.4 Flying Probe / 39.3
 39.5 Coupled Plate / 39.3
 39.6 Shorting Plate / 39.4
 39.7 Conductive Rubber Fixtures / 39.5
 39.8 Optical Inspection / 39.5
 39.9 Noncontact Test Methods / 39.5
 39.10 Combinational Test Methods / 39.7
 
 Part 8 Assembly
 Chapter 40. Assembly Processes 40.3
 40.1 Introduction / 40.3
 40.2 Through-Hole Technology / 40.5
 40.3 Surface-Mount Technology / 40.16
 40.4 Odd-Form Component Assembly / 40.42
 40.5 Process Control / 40.48
 40.6 Process Equipment Selection / 40.54
 40.7 Repair and Rework / 40.57
 40.8 Conformal Coating, Encapsulation, and Underfill Materials / 40.64
 40.9 Acknowledgment / 40.66
 Chapter 41. Conformal Coating 41.1
 41.1 Introduction / 41.1
 41.2 Types of Conformal Coatings / 41.3
 41.3 Product Preparation / 41.6
 41.4 Application Processes / 41.7
 41.5 Cure, Inspection, and Finishing / 41.11
 41.6 Repair Methods / 41.13
 41.7 Design for Conformal Coating / 41.14
 References / 41.17
 Part 9 Solderability Technology
 Chapter 42. Solderability: Incoming Inspection and Wet Balance Technique 42.3
 42.1 Introduction / 42.3
 42.2 Solderability / 42.4
 42.3 Solderability Testing—a Scientific Approach / 42.8
 42.4 The Influence of Temperature on Test Results / 42.13
 42.5 Interpreting the Results:Wetting Balance Solderability Testing / 42.14
 42.6 Globule Testing / 42.15
 42.7 PCB Surface Finishes and Solderability Testing / 42.16
 42.8 Component Solderability / 42.22
 Chapter 43. Fluxes and Cleaning 43.1
 43.1 Introduction / 43.1
 43.2 Assembly Process / 43.2
 43.3 Surface Finishes / 43.3
 43.4 Soldering Flux / 43.5
 43.5 Flux Form Versus Soldering Process / 43.6
 43.6 Rosin Flux / 43.7
 43.7 Water-Soluble Flux / 43.8
 43.8 Low Solids Flux / 43.9
 43.9 Cleaning Issues / 43.10
 43.10 Summary / 43.12
 References / 43.12
 
 Part 10 Solder Materials and Processes
 Chapter 44. Soldering Fundamentals 44.3
 44.1 Introduction / 44.3
 44.2 Elements of a Solder Joint / 44.4
 44.3 The Solder Connection to the Circuit Board / 44.4
 44.4 The solder Connection to the Electrical Component / 44.5
 44.5 Common Metal-Joining Methods / 44.5
 44.6 Solder Overview / 44.9
 44.7 Soldering Basics / 44.9
 Chapter 45. Soldering Materials and Metallurgy 45.1
 45.1 Introduction / 45.1
 45.2 Solders / 45.2
 45.3 Solder Alloys and Corrosion / 45.4
 45.4 PB-Free Solders: Search for Alternatives and Implications / 45.5
 45.5 PB-Free Elemental Alloy Candidates / 45.5
 45.6 Board Surface Finishes / 45.11
 References / 45.19
 Chapter 46. Solder Fluxes 46.1
 46.1 Introduction to Fluxes / 46.1
 46.2 Flux Activity and Attributes / 46.2
 46.3 Flux: Ideal Versus Reality / 46.3
 46.4 Flux Types / 46.4
 46.5 Water-Clean (Aqueous) Fluxes / 46.4
 46.6 No-Clean Flux / 46.7
 46.7 Other Fluxing Caveats / 46.9
 46.8 Soldering Atmospheres / 46.12
 References / 46.15
 Chapter 47. Soldering Techniques 47.1
 47.1 Introduction / 47.1
 47.2 Mass Soldering Methods / 47.1
 47.3 Oven Reflow Soldering / 47.1
 47.4 Wave Soldering / 47.28
 47.5 Wave Solder Defects / 47.39
 47.6 Vapor-Phase Reflow Soldering / 47.42
 47.7 Laser Reflow Soldering / 47.43
 47.8 Tooling and the Need for Coplanarity and Intimate Contact / 47.50
 47.9 Additional Information Sources / 47.53
 47.10 Hot-Bar Soldering / 47.53
 47.11 Hot-Gas Soldering / 47.58
 47.12 Ultrasonic Soldering / 47.59
 References / 47.61
 Chapter 48. Soldering Repair and Rework 48.1
 48.1 Introduction / 48.1
 48.2 Hot-Gas Repair / 48.1
 
 48.3 Manual Solder Fountain / 48.5
 48.4 Automated Solder Fountain / 48.6
 48.5 Laser / 48.6
 48.6 Considerations for Repair / 48.6
 Reference / 48.7
 Part 11 Nonsolder Interconnection
 Chapter 49. Press-Fit Interconnection 49.3
 49.1 Introduction / 49.3
 49.2 The Rise of Press-Fit Technology / 49.3
 49.3 Compliant Pin Configurations / 49.4
 49.4 Press-Fit Considerations / 49.6
 49.5 Press-Fit Pin Materials / 49.7
 49.6 Surface Finishes and Effects / 49.8
 49.7 Equipment / 49.10
 49.8 Assembly Process / 49.11
 49.9 Press Routines / 49.12
 49.10 PWB Design and Board Procurement Tips / 49.14
 49.11 Press-Fit Process Tips / 49.15
 49.12 Inspection and Testing / 49.16
 49.13 Soldering and Press-Fit Pins / 49.17
 References / 49.17
 Chapter 50. Land Grid Array Interconnect 50.1
 50.1 Introduction / 50.1
 50.2 LGA and the Environment / 50.1
 50.3 Elements of the LGA System / 50.2
 50.4 Assembly / 50.5
 50.5 Printed Circuit Assembly (PCA) Rework / 50.7
 50.6 Design Guidelines / 50.8
 Reference / 50.8
 Part 12 Quality
 Chapter 51. Acceptability and Quality of Fabricated Boards 51.3
 51.1 Introduction / 51.3
 51.2 Specific Quality and Acceptability Criteria by PCB Type / 51.4
 51.3 Methods for Verification of Acceptability / 51.6
 51.4 Inspection Lot Formation / 51.7
 51.5 Inspections Categories / 51.8
 51.6 Acceptability and Quality After Simulated Solder Cycle(s) / 51.8
 51.7 Nonconforming PCBS and Material Review Board (MRB) Function / 51.10
 51.8 The Cost of the Assembled PCB / 51.11
 51.9 How to Develop Acceptability and Quality Criteria / 51.11
 51.10 Class of Service / 51.13
 51.11 Inspection Criteria / 51.13
 51.12 Reliability Inspection Using Accelerated Environmental Exposure / 51.32
 
 Chapter 52. Acceptability of Printed Circuit Board Assemblies 52.1
 52.1 Understanding Customer Requirements / 52.1
 52.2 Handling to Protect the PCBA / 52.7
 52.3 PCBA Hardware Acceptability Considerations / 52.10
 52.4 Component Installation or Placement Requirements / 52.15
 52.5 Component and PCB Solderability Requirements / 52.25
 52.6 Solder-Related Defects / 52.25
 52.7 PCBA Laminate Condition, Cleanliness, and Marking Requirements / 52.32
 52.8 PCBA Coatings / 52.34
 52.9 Solderless Wrapping of Wire to Posts (Wire Wrap) / 52.35
 52.10 PCBA Modifications / 52.37
 References / 52.39
 Chapter 53. Assembly Inspection 53.1
 53.1 Introduction / 53.1
 53.2 Definition of Defects, Faults, Process Indicators, and Potential Defects / 53.3
 53.3 Reasons for Inspection / 53.4
 53.4 Lead-Free Impact on Inspection / 53.6
 53.5 Miniaturization and Higher Complexity / 53.8
 53.6 Visual Inspection / 53.8
 53.7 Automated Inspection / 53.12
 53.8 Three-Dimensional Automated Solder Paste Inspection / 53.14
 53.9 PRE-Reflow Aoi / 53.16
 53.10 Post-Reflow Automated Inspection / 53.17
 53.11 Implementation of Inspection Systems / 53.23
 53.12 Design Implications of Inspection Systems / 53.24
 References / 53.25
 Chapter 54. Design for Testing 54.1
 54.1 Introduction / 54.1
 54.2 Definitions / 54.2
 54.3 AD HOC Design for Testability / 54.2
 54.4 Structured Design for Testability / 54.4
 54.5 Standards-Based Testing / 54.5
 References / 54.12
 Chapter 55. Loaded Board Testing 55.1
 55.1 Introduction / 55.1
 55.2 The process of Test / 55.1
 55.3 Definitions / 55.4
 55.4 Testing Approaches / 55.7
 55.5 In-Circuit Test Techniques / 55.11
 55.6 Alternatives to Conventional Electrical Tests / 55.17
 55.7 Tester Comparison / 55.19
 References / 55.20
 Part 13 Reliability
 Chapter 56. Conductive Anodic Filament Formation 56.3
 56.1 Introduction / 56.3
 56.2 Understanding CAF Formation / 56.3
 
 56.3 Electrochemical Migration and Formation of CAF / 56.7
 56.4 Factors that Affect CAF Formation / 56.10
 56.5 Test Method for CAF-Resistant Materials / 56.14
 56.6 Manufacturing Tolerance Considerations / 56.14
 References / 56.15
 Chapter 57. Reliability of Printed Circuit Assemblies 57.1
 57.1 Fundamentals of Reliability / 57.2
 57.2 Failure Mechanisms of PCBS and Their Interconnects / 57.4
 57.3 Influence of Design on Reliability / 57.19
 57.4 Impact of PCB Fabrication and Assembly on Reliability / 57.20
 57.5 Influence of Materials Selection on Reliability / 57.27
 57.6 Burn-in, Acceptance Testing, and Accelerated Reliability Testing / 57.36
 57.7 Summary / 57.45
 References / 57.45
 Further Reading / 57.47
 Chapter 58. Component-to-PWB Reliability: The Impact of Design
 Variables and Lead Free 58.1
 58.1 Introduction / 58.1
 58.2 Packaging Challenges / 58.2
 58.3 Variables that Impact Reliability / 58.5
 References / 58.30
 Chapter 59. Component-to-PWB Reliability: Estimating Solder-Joint
 Reliability and the Impact of Lead-Free Solders 59.1
 59.1 Introduction / 59.1
 59.2 Thermomechanical Reliability / 59.3
 59.3 Mechanical Reliability / 59.20
 59.4 Finite Element Analysis (FEA) / 59.27
 References / 59.35
 Part 14 Environmental Issues
 Chapter 60. Process Waste Minimization and Treatment 60.3
 60.1 Introduction / 60.3
 60.2 Regulatory Compliance / 60.3
 60.3 Major Sources and Amounts of Wastewater
 in a Printed Circuit Board Fabrication Facility / 60.5
 60.4 Waste Minimization / 60.6
 60.5 Pollution Prevention Techniques / 60.8
 60.6 Recycling and Recovery Techniques / 60.15
 60.7 Alternative Treatments / 60.18
 60.8 Chemical Treatment Systems / 60.21
 60.9 Advantages and Disadvantages of Various Treatment Alternatives / 60.26
 
 Part 15 Flexible Circuits
 Chapter 61. Flexible Circuit Applications and Materials 61.3
 61.1 Introduction to Flexible Circuits / 61.3
 61.2 Applications of Flexible Circuits / 61.6
 61.3 High-Density Flexible Circuits / 61.6
 61.4 Materials for Flexible Circuits / 61.8
 61.5 Substrate Material Properties / 61.9
 61.6 Conductor Materials / 61.13
 61.7 Copper-Clad Laminates / 61.14
 61.8 Coverlay Material / 61.19
 61.9 Stiffener Materials / 61.22
 61.10 Adhesive materials / 61.22
 61.11 Restriction of Hazardous Substances
 (RoHS) Issues / 61.23
 Chapter 62. Design of Flexible Circuits 62.1
 62.1 Introduction / 62.1
 62.2 Design Procedure / 62.1
 62.3 Types of Flexible Circuits / 62.2
 62.4 Circuit Designs for Flexibility / 62.12
 62.5 Electrical Design of the Circuits / 62.15
 62.6 Circuit Designs for Higher Reliability / 62.16
 62.7 Circuit Designs for RoHS Compliance / 62.17
 Chapter 63. Manufacturing of Flexible Circuits 63.1
 63.1 Introduction / 63.1
 63.2 Special Issues with HDI Flexible Circuits / 63.1
 63.3 Basic Process Elements / 63.3
 63.4 New Processes for Fine Traces / 63.14
 63.5 Coverlay Processes / 63.24
 63.6 Surface Treatment / 63.30
 63.7 Blanking / 63.31
 63.8 Stiffener Processes / 63.33
 63.9 Packaging / 63.33
 63.10 Roll-to-Roll Manufacturing / 63.34
 63.11 Dimension Control / 63.36
 Chapter 64. Termination of Flexible Circuits 64.1
 64.1 Introduction / 64.1
 64.2 Selection of Termination Technologies / 64.1
 64.3 Permanent Connections / 64.4
 64.4 Semipermanent Connections / 64.11
 64.5 Nonpermanent Connections / 64.13
 64.6 High-Density Flexible Circuit Termination / 64.20
 Chapter 65. Multilayer Flex and Rigid/Flex 65.1
 65.1 Introduction / 65.1
 65.2 Multilayer Rigid/flex / 65.1
 
 Chapter 66. Special Constructions of Flexible Circuits 66.1
 66.1 Introduction / 66.1
 66.2 Flying-Lead Construction / 66.1
 66.3 Tape Automated Bonding / 66.8
 66.4 Microbump Arrays / 66.10
 66.5 Thick-Film Conductor Flex Circuits / 66.12
 66.6 Shielding of the Flexible Cables / 66.13
 66.7 Functional Flexible Circuits / 66.14
 Chapter 67. Quality Assurance of Flexible Circuits 67.1
 67.1 Introduction / 67.1
 67.2 Basic Concepts in Flexible Circuit Quality Assurance / 67.1
 67.3 Automatic Optical Inspection Systems / 67.2
 67.4 Dimensional Measurements / 67.3
 67.5 Electrical Tests / 67.3
 67.6 Inspection Sequence / 67.3
 67.7 Raw Materials / 67.6
 67.8 Flexible Circuit Feature Inspection / 67.6
 67.9 Standards and Specifications for Flexible Circuits / 67.8
 Appendix A.1
 Glossary G.1
 Index I.1
 CONTENTS xix
 
 
 
 
 
 
 
 
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