Hi Lucy et al,
We have been using a UV water soluble mask formulated for us by Techspray
for 3+ years with much success.  The material is blue in color and dispenses
well by machine.  The material is cured in an in-line UVEX  uv oven.  You
might check with them as a start.

best regards,

Russ Vertefeuille
Sr. Project Eng.
Honeywell, BCAS
Glendale, AZ
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Subject: Re: [TN] ASM: Water Soluble Mask