i HAVE DONE LIQUID ETCH RESIST WITH A ROLLER COATER AND SOME WITH DIP COAT.
nOTHING WITH A SPRAY YET , BUT AM TOLD IT IS POSSIBLE . WE PLAN TO RUN SOME
TESTS
SHORTLY.
THERE ARE A LOT OF SHOPS THAT SPRAY LPISM. WE HAVE 8 SHOPS IN CANADA ALONE
CHECK WITH ARGUS, GYREX OR TELEYDNE (SPRAY EQP SUPPLIERS ) FOR MORE  DETAILS
OR CALL COATES (INK SUPPLIER).  THEY WROTE AN ARTICLE IN ONE OF THEIR NEWS
LETTERS ON THIS SUBJECT

AFRI
TORONTO CANADA

-----Original Message-----
From: HsinSun +AFs-mailto:hsinsun+AEA-MS18.HINET.NET+AF0-
Sent: Friday, April 28, 2000 7:21 AM
To: TechNet+AEA-IPC.ORG
Subject: +AFs-TN+AF0- Fw: Re: +AFs-TN+AF0- SPRAY LPI SYSTEM


Hi, TechNetters:

As the user of dry film and electro-phoretic resist
for the inner layer of thin film PCB, it is more and more
roller coaters of the liquid photoresist in opertion.

I would like to know if somebody know well about
the spray system of LPI for the inner layers.

Thanks

Chung J. Lee / Hsin-Sun

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