Gary,
In response to your question:
1) We are doing 100% inspection where time permits. We inspect all the
specified sites on the board unless the inspection becomes a bottleneck.
Then we use time as the gate.
2) We inspect only fine pitch and BGA pads. for BGAs we do not use the
bottleneck time-out rule. If we have pads which have historically been a
problem then we will inspect them as well.
3) We use the SPC format supplied with our machine.
4) Our pass/fail friteria for height is +2mil/-1.5mil
If you have any other questions feel free to give me a call. I would like
to know what you think of your new machine.
Greg Parke
Teradyne, Inc.
(617) 422-3192
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