Another suggestion to speed up your process is to use a light curing
temporary masking agent instead of an air drying latex. Application is the
same, but cure time is under one minute. Peels off afterwards. Please
contact me for specific products.

Regards,
Peter

 =========================================================
Peter Swanson            [log in to unmask]
INTERTRONICS                http://www.intertronics.co.uk
<http://www.intertronics.co.uk/>

INTERTRONICS is dedicated to providing quality material,
  consumable and equipment solutions to the electronics
manufacturing and other technology based industries, with
   the highest levels of technical support and customer
                         service.


-----Original Message-----
From: Ong Seet Leng [mailto:[log in to unmask]]
Sent: 24 January 2003 2:51
To: [log in to unmask]
Subject: [TN] ADVISE NEEDED


Morning Technetters,

Advise needed. We used to use dipped in method using a conformal coating
machine but as the latex used to cover the forbidden area need at least a
few hours to cure, we cannot afford the time. Due to the extremely tight
schedule given to us, we have engineers sending in assembled boards in the
morning and expect us to perform miracles and have them ready before lunch.


We are now using the hand brush method but as mentioned, due to the
extremely tight schedule, is there any way to measure the coating thickness
without say, measure assembled board before coat, after that coat one
side-measure again, before coat the other side & measure again in order to
get the individual side coating thickness?


We may have used the wrong approach and I desperately need some advise from
you guys and gals. More over, should we revert back to dip in method, how
are one going to measure the coating thickness of one side and then
protected it before proceed to the un-coated side? Any suggestions is
greatly appriciated.


Regards
S L Ong ---------------------------------------------------
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Please visit IPC web site http://www.ipc.org/html/forum.htm for additional
information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
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