Homebrew PCBs

Thanks for the link, so the speed is determined by presenting fresh etchant continuously. Any thoughts on what affects the undercutting? 



--- On Fri, 8/14/09, DJ Delorie <dj@...> wrote:

From: DJ Delorie <dj@delorie.com>
Subject: Re: [Homebrew_PCBs] instructables 1 min PC etch using sponge & FeCl
To: Homebrew_PCBs@yahoogroups.com
Date: Friday, August 14, 2009, 6:10 PM






 




    
                  

Malcolm Parker-Lisberg <mparkerlisberg@ yahoo.com> writes:

> Has anyone tried this method for chemical machining. I am making

> some encoder disks for the digital DC servos I am building and was

> going to use conventional dip FeCl bath. Is the undercutting any

> less?



http://www.delorie. com/pcb/brass/


 

      

    
    
	
	 
	
	








	


	
	


      

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