GE-77 is an acidic, dry crystalline powder which is use to frost and etch glass fibers found exposed after the multilayer etch back cycle. It contains a concentrated blend of fluorides developed and designed to ensure removal of debris and promote good adhesion of electroless copper or other conductive coatings. GE-77 is used after the panels have been etched back and prior to the PTH line. It can also be used to remove drilling debris sometimes left embedded on the slots and holes of printed circuit boards.
GE-77 Multilayer Glass Etch
Description
GE-77 is an acidic, dry crystalline powder which is use to frost and etch glass fibers found exposed after the multilayer etch back cycle. It contains a concentrated blend of fluorides developed and designed to ensure removal of debris and promote good adhesion of electroless copper or other conductive coatings. GE-77 is used after the panels have been etched back and prior to the PTH line. It can also be used to remove drilling debris sometimes left embedded on the slots and holes of printed circuit boards.
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Processing Guide