Patent ID: 6436276
Filing Date: 2002-08-20
Classification: C25F,G03F,H05K

Abstract:
A process for stripping photoresist from a printed wiring board panel, the process comprising the steps of:(a) providing a printed wiring board panel having photoresist on at least one surface of said panel and comprising a layer of copper on said at least one surface of said printed wiring board panel, the photoresist being fully strippable, absent electrolysis, in an electrolytic alkaline stripping solution; (b) connecting said printed wiring board panel to a power supply; and (c) immersing said printed wiring board in the electrolytic alkaline stripping solution, such that said printed wiring board is used as a negative electrode during electrolysis of said alkaline stripping solution; wherein said photoresist on said at least one surface of said printed wiring board panel is removed from said at least one surface of said printed wiring board panel and the photoresist removal is accelerated by the electrolysis of the alkaline stripping solution.