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1996

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Subject:
ASSY Moisture Release Rates and Prebake Parameters
From:
"Magee, Andrew P" <[log in to unmask]>
Date:
Thu, 26 Sep 1996 10:37:00 -0700
Content-Type:
text/plain
Parts/Attachments:
text/plain (63 lines) 
---------------------------- Forwarded with Changes
---------------------------
From: Doug Whitnell::(WHTNLD) at ~FABRIK
Date: 9/26/96 8:26AM
To: Andrew P Magee at Rogers-MCD
*To: 27=TechNet::[log in to unmask]::25=SMTP  at ~FABRIK
Subject: ASSY Moisture Release Rates and Prebake Parameters
----------------------------------------------------------------------
---------
     The water vapor permeability ( g/sq.m/mil/day at 38C 90%RH) 
     for polyimide film used in flex circuits is:
     
     Apical AV - 71
     Apical NP - 66
     Kapton HN - 54
     Kapton KN - 28
     Upilex S - 1.7
     
     Andy Magee - Applications Engineer
     Rogers - Circuit Materials
     Tel: (602) 917-5237
     Fax: (602) 917-5256
     E-mail: [log in to unmask]
     


______________________________ Forward Header
__________________________________
Subject: ASSY Moisture Release Rates and Prebake Parameters
Author:  Doug Whitnell::(WHTNLD) at ~FABRIK
Date:    9/26/96 8:26 AM


From: Doug Whitnell
Date: Thu, Sep 26, 1996 8:26 AM
Subject: ASSY Moisture Release Rates and Prebake Parameters 
To: Magee, Andrew P; TechNet
We are looking for reports or other references for moisture release
rates 
for different PWB substrate materials.  Also recommended prebake
parameters 
for time and temperature in air and for other atmospheres. Any leads
will be 
appreciated
     
Mel Parrish
We can be reached at:            e-mail: [log in to unmask] 
Manufacturing Technology Training Center (MTTC), Inc
543 Graaf Street                     Phone 619 446-5571 
Ridgecrest CA 93555              Fax  619 446-4337
Home Page: http://www1.ridgecrest.ca.us/~mttc/mttc.htm 
Bulletin Board: 619 446-4087
     

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