Is it cured or not? If cured not much can be done, and if it is not you can not
etch it, only strip it. Do you mean you want to pattern PI with some other
masking material and then wet etch it?


--- Shadyar Farhangfar  wrote:
> Dear All,
>
> Does anybody happen to know about the wet-etching of
> polyimide? Is there any "standard" etchant to wet-etch
> polyimide layers?
>
> Appreciating any hint,
> Sh.Farhangfar
>
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