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IEC 61188-7 Ed. 2.0 en:2017

Printed boards and printed board assemblies - Design and use - Part 7: Electronic component zero orientation for CAD library construction

IEC 61188-7:2017(E) establishes a consistent technique for the description of electronic component orientation, and their land pattern geometries. This facilitates and encourages a common data capture and transfer methodology amongst and between global trading partners.
 This edition includes the following significant technical changes with respect to the previous edition:
 a)   Figure 1 has been corrected;
 b)   the term “rectangle” has generally been replaced by “polygon”;
 c)   level B has been indicated as preferred level for new libraries.


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