Need guideline for acceptance.

We have a Type 3 flex that requires laser cutting. (CO2 laser)
Sometimes (very rare)..we see laser burn on the flex.

What is the acceptance criteria.  Looked in IPC-600 and 6013.  Does not address the laser cutting/burn situation.

OR if you have seen this and how was it handled.

Rashesh
Accurate Engg Inc.

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