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April 2005

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Subject:
From:
Jason Gregory <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Jason Gregory <[log in to unmask]>
Date:
Wed, 27 Apr 2005 14:20:00 -0500
Content-Type:
text/plain
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text/plain (75 lines)
I've always used 125*C for 4 hrs min.

Jason Gregory
Manufacturing Engineer
Innova Electronics
(281)653-5593
(281)653-5594 fax
(281)212-0844 cell
[log in to unmask]


-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Kaye Clayo
Sent: Wednesday, April 27, 2005 2:10 PM
To: [log in to unmask]
Subject: [JunkMail] [TN] How to Bake FR4 Boards


Dear Technet:

Can someone tell me what temperature and duration
we should bake some unpopulated FR4 (HASL) boards?

We are attempting an experiment to see if we can "bake" a
potential problem out of certain boards, but we don't know
what the baking temperature / time should be.  The potential
problem we are looking to bake out is under cured laminate
which could be causing a hook problem.

Please help.

Kaye


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