i have bake that, but i dont have the maximum or minimum limitation...i just bake then for 1-2 minute..i also have any problem with applying the photoresist (cream) at the copper...it very difficult to make flat surface..
--- On Tue, 7/1/08, Herbert E. Plett <cachureos@...> wrote:
From: Herbert E. Plett <cachureos@...>
Subject: Re: [Homebrew_PCBs] Re: What's the best photoresist?
To: Homebrew_PCBs@yahoogroups.com
Date: Tuesday, July 1, 2008, 10:04 PM
--- On Wed, 7/2/08, fan_nastelroy <fan_nastelroy@ yahoo.com> wrote:
> i have tried with the "Diazol" for photo
> silkscreen, it must be mixing
> with his katalis(SR liquid), its have yellow/orange color..
> it pretty after exposure +/- 5 minute, then spray with
> water, but the
> problem is...this photoresist is not strong enough with
> ferric chloride...
have you tried 'baking' the board before etching?
(something similar to what the direct print people do)
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