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[讨论] Howk ———关于FIDUCIAL MARK 的 Standard (Free)

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发表于 2006-6-7 10:43:00 | 显示全部楼层 |阅读模式
关于FIDUCIAL MARK 的 Standard. 大家共同学习。
                                                                谢谢。
SMEMA FIDUCIAL MARK STANDARD
Standard 3.1
SMEMA FIDUCIAL MARK STANDARD
Standard 3.1
1.0 SCOPE: This SMEMA standard is for fiducial marks. It was developed to facilitate the accurate placement of
components on printed circuit boards.
SMEMA standards have also been developed for Mechanical/Electrical Equipment Interfaces (1.1) and for
Software/Communications Interfaces (2.0). Equipment and printed circuit board features may conform to one or
more of these standards. Only some of these requirements may be applicable to a specific application.

【文件名】:0667@52RD_Fiducial mark.pdf
【格 式】:pdf
【大 小】:36K
【简 介】:
【目 录】:


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