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PCB设计基础指南-Printed Circuit Board Designer's Reference_Basics
Printed Circuit Board Designer's Reference was written to provide a guideline of the entire PCB design/creation process, with reference material, software, forms, and other tools.
There are few books for the basic designer, and fabricators have limited published standards. A difficult decision about writing this book was publishing new, unreleased information that has few studies associated with it or little documentation supporting the values. History has shown that common practice and experience can suffice for undocumented information. Many designers and leaders in the industry feel that information shouldn't be provided without documentation. Most standards have not come from reading literature but from experience, common knowledge, and discussions.
PCB design is based on an ever-changing technology that requires constant updating and documentation. The values noted in this book are not supported by the Institute for Interconnecting and Packaging Electronic Circuits (IPC). These values are an average of fabricator's requirements and design requirements and are a cross section of personal values and those of hundreds of other designers. These values may change based on requirements, applications, changes in technology, and personal/company standards.
The values in the Manufacturing Technologies table are based on average values of manufacturers across the United States. They aid in choosing the manufacturer based on the design requirements and designing according to the manufacturer's capabilities. They are only a set of rules to guide the designer in choosing a manufacturer based on the design requirements and manufacturing capabilities.
[ 本帖最后由 FENGFEI0115 于 2008-8-24 01:17 编辑 ] |
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发表于 2008-8-24 01:10:42
