Printed Circuit Boards: Design, Fabrication, and Assembly
McGraw Hill Professional, 2005 M09 7 - 704 pages
The printed circuit is the basic building block of the electronics hardware industry. This is a comprehensive single volume self-teaching guide to the art of printed circuit board design and fabrication -- covering the complete cycle of PCB creation, design, layout, fabrication, assembly, and testing.
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3.4.5 High Electrical Stresses The increasing density of interconnection in printed
circuit boards demands that the designer progressively decrease spacing and
the size of conductive parts such as line sections, PTH diameters, pad areas, etc.
Grade Composition Remarks G-30 Glass/polyimide High dimensional stability
under heat, flame retardant FR-5 Glass/epoxy Same as G-11 but flame retardant
GPO-1 Glass/polyester General purpose mechanical and electrical grade GPO-2
The electrical tests must be performed at very high voltages to check for
contaminations. The commonly used methodologies for bare board testing are
automated optical inspection (AOI) and electrical test. AOI is an in-process tool to
check on ...
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1 Basics of Printed Circuit Boards
2 Electronic Components
3 Layout Planning and Design
15 other sections not shown