Hi Jim,

Our target in controlled rooms is 70 degrees F and 50% RTH.  We have a
separate rooms for film printing and imaging the boards.  Makes it a little
tricky when the weather goes to extremes.  We control the environment so the
film doesn't expand or contract beyond it's allowed range.

Hans

~~~~~~~~
Hans M. Hinners
Materials (& Process!) Engineer
Warner Robins - Air Logistics Center/Avionics Production Division
Manufacturing Branch (LYPME)
380 Second Street, Suite 104    (Building 640)
Robins AFB, GA  31098-1638
912-926-1970 (Voice) 468 - 1970 (DSN)  912-926-7164 (Fax)
[log in to unmask]


> -----Original Message-----
> From: West, Jim [SMTP:[log in to unmask]]
> Sent: Tuesday, December 21, 1999 04:17
> To:   [log in to unmask]
> Subject:      [TN] Relative Humidity
>
>
> Hi Everyone,
>
> What is everyone keeping the RH in your facility?  What does everyone
> recommend, or what is the standard if any?  What are the down sides to low
> RH as well as high RH.  Your opinion is greatly appreciated.
>
> Thanks,
> Jim
>
> ##############################################################
> TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c
> ##############################################################
> To subscribe/unsubscribe, send a message to [log in to unmask] with
> following text in
> the body:
> To subscribe:   SUBSCRIBE TECHNET <your full name>
> To unsubscribe:   SIGNOFF TECHNET
> ##############################################################
> Please visit IPC web site (http://www.ipc.org/html/forum.htm) for
> additional
> information.
> If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or
> 847-509-9700 ext.5365
> ##############################################################

##############################################################
TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c
##############################################################
To subscribe/unsubscribe, send a message to [log in to unmask] with following text in
the body:
To subscribe:   SUBSCRIBE TECHNET <your full name>
To unsubscribe:   SIGNOFF TECHNET
##############################################################
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
information.
If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or
847-509-9700 ext.5365
##############################################################