Here's a link to a page that shows nine types of defects on PCB drills and
their specs. (for this supplier only)
http://www.megatool.com/drill/spec.htm
There is an IPC spec on drilling, IPC-DR-572. I'm not sure what is covered
in it.
Tim Reeves


|-----Original Message-----
|From: Young Hwan Ju [mailto:[log in to unmask]]
|Sent: Wednesday, April 25, 2001 11:08 PM
|Subject: The standard bit inspection spec
|
|
|Hi, all subscribers
|In incoming inspection of  both new bit and resharpened bit,
|Can you make
|me know the standard spec if anyone knows about that.
|And I' would like to know the exclusive major defects caused
|by wrong bit
|resharpening operation.
|
|regards
|Jay Ju
|

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