Most laminate suppliers have downloadable data sheets. I've also looked for a chart to no avail, have thought of generating my own but I'd rather spend free time fishing... If you find anything I sure would be interested as many around here would be as too... Franklin ----- Original Message ----- From: "Carl VanWormer" <[log in to unmask]> To: <[log in to unmask]> Sent: Friday, April 25, 2003 9:08 AM Subject: [TN] PCB Material Question > I have searched (unsuccessfully) for tutorials or charts on PCB material > comparisons. Is there a good (free?) reference available explaining the > characteristics of the various PCB materials in current use? I'm used to > FR4, and I'm aware of the exotic stuff, but I see stuff that looks like the > old phenolic is some things that I open up. I've noticed common usage of a > tan material in most PC power supplies. I'm hoping to find a physical > characteristics (Dielectric strength, fire safety, etc) comparison chart > somewhere . . . > > > Carl Van Wormer > Cipher Systems > 1815 NW 169th Place, Suite 5010 > Beaverton, OR 97006 > Phone (503)-617-7447 Fax (503)-617-6550 > > --------------------------------------------------- > Technet Mail List provided as a free service by IPC using LISTSERV 1.8e > 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/html/forum.htm for additional > information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 > ----------------------------------------------------- > --------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8e 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/html/forum.htm for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 -----------------------------------------------------