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Building Reliable Printed Circuit Boards - the Lessons Learned.
| 题名： | Building Reliable Printed Circuit Boards - the Lessons Learned. |
| 作者： | Sood, B. |
| 关键词： | Circuit boards, Design analysis, Digital electronics, Electroless deposition, Failure analysis, Printed circuits, Reliability, Statistical analysis, Transistor amplifiers, Trend analysis, Life (durability), Nickel plate, Polychlorinated biphenyls, Submerging |
| 摘要： | Printed circuit boards (PCBs) are the baseline for electronics manufacturing upon which electronic components are mounted and formed into electronic systems. PCBs are used in a variety of electronic circuits from simple one-transistor amplifiers to large super computers. A PCB serves three main functions: 1) it provides the necessary mechanical support for the components in the circuit 2) it provides the necessary electrical interconnections, and 3) it bears some form of legend which identifies the components it carries. The failure modes on the PCBs can be categorized in a hierarchical structure, in which the mechanisms and causes are site or location dependant. This one day workshop will discuss a variety of failure mechanisms that effect the functionality of PCBs. These mechanisms can be related to how PCB materials are selected, PCBs are designed, manufactured, tested and used in the field conditions. The workshop will begin with an overview of PCB manufacturing, materials and processes. With the help of examples and case studies, a wide range of failure mechanisms will be discussed, case studies are focused on digital circuits, however some failures in analog, double sided boards are also presented. The workshop then provides the guideline for selection of methodologies for identifying potential failure mechanisms based on the failure history and how a systematic root cause failure analysis of the PCB can result in prevention of future issues. |
| 报告类型： | 科技报告 |
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