Homebrew PCBs

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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