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I look for an international standard for PCB stretch . In case of misplaced solder paste versus stencil we noticed shorts after placement . I found cases where the PCB (image pattern) did not match with the stencil . It was due to PCB or stencil stretch.
Philips Consumer electronics mentionned +/-0,075mm between fiducials in diagonal . I've been looking now for an international standard.
Clare
2017/3/1 19:21:20
Great article! Keep up the great writing.
CurveAudioDesign
2017/3/1 19:21:20
It is very interesting and helpful.I will keep check your post.
Fatih YASAR
2017/3/1 19:21:20
An interesting post.
tomasarizacrespo
2017/3/1 19:21:20
It was truly informative. Your post is very useful.Many thanks for sharing!