Janice, you have recieved a lot of good advice but I see no reference to
different materials such as CEM-3, MC-3 or other non-FR-4 products. With these
other products you will want to test samples of the web thickness and depending
on the number of parts per panel adjust from there.

Steve Collins
PCB Design Supervisor
Antec Corp.

##############################################################
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
##############################################################