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Date: | Tue, 31 Jan 2006 08:53:15 -0500 |
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These are 2 basic categories of LPI materials in use now - Acrylated and
Epoxy based. The Epoxy based systems require a solvent development and
the Acrylic materials are aqueous.
Jeffrey Bush
Director, Quality Assurance and Technical Support
VERMONT CIRCUITS INCORPORATED
76 Technology Drive - POB 1890
Brattleboro, Vermont 05302
Voice - 802.257.4571 ext 37
Fax - 802.257.0011
<http://www.vtcircuits.com/>
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Crepeau, Phil (Space
Technology)
Sent: Monday, January 30, 2006 7:33 PM
To: [log in to unmask]
Subject: [TN] lpi soldermask
hi,
i'd like to know the class(es) of organic compounds that lpi soldermasks
fall into. would/could they classified as urethane, acrylic, epoxy, or
other? we need to identify the class(es) to our customer and i haven't
had much luck. i'm sure it depends on the vendor, so if i get reponses
that indicate they could fall into several classes, i'd like to know
what they all are.
thanks,
phil
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