How can etch patterns be detected before going online? Ask for advice
Author:Li Shuai Time:2021-06-08 17:59 Browse(387)
Everyone, who knows how to test the etch pattern of double-layer film more efficiently? We need to test the etch pattern of double-layer film before going online, and it can also be a mass production method?" G2 b# H6 F: ~' K; b3 B! x5 K0 c# |- a2 ? a0 F% b0 y) R4 x5 h: |。
You're the latter part!. The laminar flow hood is inspected with black background. After that, check the laminar flow hood with the black background of table lamp. Black background inspection products plus visual inspection.
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