Homebrew PCBs

I'm using the spray bottle version from MG Chemicals. After two tries and no
luck, I'm now waiting for an answer from their help line. 

Rick

-----Original Message-----
From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com]
On Behalf Of alexhun19
Sent: Tuesday, April 02, 2013 1:26 PM
To: Homebrew_PCBs@yahoogroups.com
Subject: [Homebrew_PCBs] Re: Seno 100 photo resist applicator


Thanks to all responders!
I'll give the squeegee a try on the next batch.

As Leon kindly clarified, it is a liquid resist, supplied in an applicator
similar to some shoe polish ones: a small tube with a sponge on the end. As
you push on the sponge a small valve allows an amount of liquid resist into
the sponge to be distributed on the board.

The challenge is to get the resist distributed on the board in a nice even
way, without building up too much of a layer. The stuff has a tendency to
form ridges and dry very quickly, leaving little time for it the settle to
an even coat.

Alex
 
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