Either you want to make Doug rich or your worried your process may be
incontinent, but that's a whole lot of depends.
Here are a few:
* What's the next process (wave solder, reflow, placement,
Conformal Coat)
* What's the laminate material ( layers, copper/glass/resin
ratio )
* What's the final surface finish (solder mask , HASL, ENIG,
OSP)
* Was it baked before to some pre-established level of relative
dryness
* What is the ambient environment (temp, RH, Dewey point)
Dewey
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Roberts, Jon (SA-1)
Sent: Tuesday, July 13, 2010 8:35 AM
To: [log in to unmask]
Subject: [TN] BAKING OF PWB QUESTION
Is there a rule of thumb or any best manufacturing practices of how long
after baking does the PWB have to be processed? Jon
This communication is intended only for use by the addressee(s) named
herein and may contain business confidential and/or legally privileged
information. If you are not the intended recipient of this e-mail, you
are hereby notified that any dissemination, distribution, disclosure or
copying of this e-mail and its contents is strictly prohibited. If you
have received this e-mail in error, kindly notify the sender by replying
to this message. In addition, please permanently delete the message and
any attachments without copying or disclosing the contents. Thank you
for your cooperation.
THIS DOCUMENT AND/OR SHIPMENT MAY CONTAIN COMMODITY ITEMS, SOFTWARE OR
TECHNICAL DATA THAT IS CONTROLLED BY U.S. EXPORT LAW, AND MAY NOT BE
EXPORTED OUTSIDE THE UNITED STATES OR TO NON U.S. PERSONS WITHOUT THE
APPROPRIATE EXPORT LICENSE FROM EITHER THE U.S. DEPARTMENT OF STATE OR
DEPARTMENT OF COMMERCE.
______________________________________________________________________
This email has been scanned by the MessageLabs Email Security System.
For more information please contact helpdesk at x2960 or
[log in to unmask]
______________________________________________________________________
---------------------------------------------------
Technet Mail List provided as a service by IPC using LISTSERV 15.0
To unsubscribe, send a message to [log in to unmask] with following text
in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to
[log in to unmask]: SET Technet NOMAIL or (MAIL)
To receive ONE mailing per day of all the posts: send e-mail to
[log in to unmask]: SET Technet Digest
Search the archives of previous posts at:
http://listserv.ipc.org/archives
Please visit IPC web site
http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional
information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100
ext.2815
-----------------------------------------------------
______________________________________________________________________
This email has been scanned by the MessageLabs Email Security System.
For more information please contact helpdesk at x2960 or [log in to unmask]
______________________________________________________________________
---------------------------------------------------
Technet Mail List provided as a service by IPC using LISTSERV 15.0
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL)
To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815
-----------------------------------------------------
|
