Homebrew PCBs

On Sat, 13 Jun 2009 03:54:10 -0700 (PDT), you wrote:

>did anybody read this mail ???

Yes, but not doing plated through holes, and not planning to, I have
no opinion.  From what I remember, the commercial houses used a
graphite solution, or at one time, did.

Harvey

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>--- On Wed, 6/10/09, Michel Baguet <bagmik@...> wrote:
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>From: Michel Baguet <bagmik@...>
>Subject: Re: [Homebrew_PCBs] Re: DIY conductive vias ?
>To: Homebrew_PCBs@yahoogroups.com
>Date: Wednesday, June 10, 2009, 10:20 AM
>
>Hi guys,
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>To avoid use of chemicals, could it to possible to activate the holes with cured silver paste and then use copper electro-plating to get PTH ?
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>Mike
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