LPI = Liquid Photo Imagible.
-------------
Original Text
From: "Tovey, Roxanne L" <[log in to unmask]>, on 11/11/97 3:08
PM:
Can I ask what is LPI?Roxanne> ----------> From:
[log in to unmask][SMTP:[log in to unmask]]> Sent:         Tuesday,
November 11, 1997 2:41 PM> To:   [log in to unmask]> Subject:      [TN]
Sealing Vias>> Among the ways of sealing vias on LPI solder masked boards
are a)> filling> the vias with LPI, and b) tenting the vias with dry film
solder mask.>> We are on the brink of converting from dry film to LPI on
all our> PCB's.  I> would appreciate any comments on the relative
merits/demerits of> boards> produced by these two processes.  Our supplier
recommends the dry film> option.>> Our boards are sometimes in relatively
harsh environments and are> designed> to operate from -40 C to +70 C.>>>
Thanks to those of you who responded to my inquiry on how to repair>
urethane conformally coated boards which have been contaminated with>
silicone prior to conformal coating.>>
##############################################################> 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.> For the technical support contact Dmitriy Sklyar at
[log in to unmask] or> 847-509-9700 ext.311>
##############################################################>#############
#################################################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.For the technical support contact Dmitriy Sklyar at
[log in to unmask] or 847-509-9700
ext.311##############################################################

##############################################################
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.
For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311
##############################################################