Homebrew_PCBs

Hi,
In your photos of the process you say that Cupric Chloride is available
at hardware stores.
What do you ask for?
Thanks for the info,
Dan


On 3 Mar 2003 13:54:24 -0000 Homebrew_PCBs@yahoogroups.com writes:

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>
> There is 1 message in this issue.
>
> Topics in this digest:
>
> 1. Re: Laser Printer Toner transfer with plain regular paper
> From: "rolanyang <rolan@...>"
> <rolan@...>
>
>
>

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>

________________________________________________________________________

>
> Message: 1
> Date: Mon, 03 Mar 2003 08:06:07 -0000
> From: "rolanyang <rolan@...>" <rolan@...>
> Subject: Re: Laser Printer Toner transfer with plain regular paper
>
> I had a chance to play around with some CuCl2 (Cupric Chloride)
> etching last Friday and performed a test etch with a small segment
> of
> PCB created using the "cheap paper laser toner-transfer method".
> The traces are 10 mil in width.
>
> You can see check out some pics at
>
> http://www.techfreakz.org/~rolan/mypics/cucl2/
>
> The neat thing about using CuCl2 is that the byproduct
> of the etching process generates more CuCl2. And because of
> this, the etchant solution can be used over and over.
>
> I can't imagine why people are still using Ferric Chloride.
>
> ~Rolan
>
>
>
>
>
>
>

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