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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Figure 5.11 shows minimum spacing requirements as per MIL 275 B. 5.3.4 Hole
Diameter and Solder Pad Diameter 22.214.171.124 Hole Diameter It is essential that the
component lead should be fitted only into the hole of an appropriate diameter.
The preferred drill sizes such as 0.4, 0.5, 0.6, 0.8.0.9, 1.0, 1.3, 1.6 and 2.0 mm in
diameter are often specified in some standards. As a general rule, the minimum
drilled hole is about one-third the board thickness. For example, for a board ...
In order to compensate for the laminate resilience, the drill bit diameter is chosen
which is slightly bigger than the hole diameter expected. Therefore, the diameter
of the drilled holes would be usually smaller than the diameter of the drill used.
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1 Basics of Printed Circuit Boards
2 Electronic Components
3 Layout Planning and Design
15 other sections not shown
Other editions - View all
Printed Circuit Boards: Design, Fabrication, Assembly and Testing
R. S. Khandpur
Limited preview - 2005
Printed Circuit Boards : Design, Fabrication, and Assembly: Design ...
No preview available - 2005