why not use photoimageable flex coverlay? that would be the normal stuff to
use in this application. not sure what colors are available, though, I've
only seen yellow.

Tim Reeves
Materials/Lamination Engineer
Tyco Printed Circuit Group - Dallas Division
(800) 783-9223   ext. 1120


-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Roger Tingler
Sent: Wednesday, June 16, 2004 6:00 AM
Subject: White LPI Flex soldermask


GOOD MORNING, Fellowtechnetters

Does anyone know of a white LPI (Liquid Photo Image able) Solder mask that
can be used for Flex circuit boards? The flex is extremely dense and will
bend only once to a generous cone shape. Unfortunately, the typical LPI
used for our rigid boards will crack.

THANKS in advance for your support,

Roger

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