标准摘要
[中文适用范围]: IEC 61188 的这一部分建立了用于描述电子元件方向及其焊盘图案几何形状的一致技术。这促进并鼓励全球贸易伙伴之间采用通用的数据捕获和传输方法。 [外文原描述]: IEC 61188-7:2017 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changes with respect to the previous edition: a) Figure 1 has been corrected; b) the term “rectangle” has generally been replaced by “polygon”; c) level B has been indicated as preferred level for new libraries.
英文名称Printed boards and printed board assemblies - Design and use - Part 7: Electronic component zero orientation for CAD library construction