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Subject: Re: [Homebrew_PCBs] Water soluble photoresist

From: DJ Delorie <dj@...>
Date: 2007-01-04

"twb8899" <twb8899@...> writes:
> Something else to consider, this company also makes soldermask and

Photoimagable solder mask? Since you're not removing it, are the
remaining chemicals house-safe and easy to obtain? The lack of a good
solder mask solution has always bugged me with TT home etching.

> The way it looks, this new soldermask product will get a complete
> exposure with much less power.

Hmmm... sunlight?