1 avr80 or humiseal result

Reference Standard for Plasma Etching or Scrubbing on Flex Ckts

Electronics Forum | Fri May 14 11:17:42 EDT 2004 | Ashok Dhawan

I am having coating adhesion problem with flex circuits. The cover plate material is KAPTON or Poly imide. The conformal coating material used is humiseal 2A64. The boards are cleaned, measuring less than 4 microgram Nacl per sq in. against acceptabl