Process for multilayer printed circuit board manufacture

Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step

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Details

156633, 156634, 156656, 156667, 156902, 134 3, 252 792, 252 794, B44C 122, C23F 100

Patent

active

051064545

ABSTRACT:
Process for at least partially dissolving a copper oxide surface layer by contacting the surface layer with one or more copper oxide dissolving compounds. When used in the manufacture of a multilayer printed circuit board, the process improves adhesion between board layers, reduces or eliminates localized delamination of a multilayer board that occurs during through-hole drilling, and eliminates or substantially reduces the occurrence of pink ring.

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