All I know is that I was able to use gel-based laser papaer to transfer
toner to copper and etch it.  I have made quite a few PCBs this way.

Gus
--
Gus Calabrese    Lola Montes      WFT Electronics
4337 Raleigh Street      Denver, CO 80212
303 964-9670......voicemail      wft@frii.com   http://www.frii.com/~wft

EMERGENCY:   791 High Street     Estes Park, CO  80517
if no success with wft@frii.com, try .... wft@bigfoot.com   then
wft@eudoramail.com