Eric, Check out IPC-4101. Dan ----- Original Message ----- From: "ekalgren" <[log in to unmask]> To: <[log in to unmask]> Sent: Friday, October 26, 2007 3:02 PM Subject: [TN] PCB Material Question > This one should be easy enough for Friday. > > > > I've got a drawing calling out the following material: > > > > GE062 C2/C2 1A per MIL-P-13949 > > > > I've worked it out so far to be Type GE 0.0620 thick (they left out a 0), > with 2 oz copper on each side. > > > > I can't figure out the 1A. I think it should be A1 for pits/dents class A, > and class 1 for thickness tolerance. > > > > Does this sound right? Also, has anything replaced Mil-P-13949? Is type GE > material commonly available? > > > > Thanks! > > > > Eric Kalgren > > Electrical Engineer > > Cobham Defense Electronic Systems > Continental Microwave Division > 11 Continental Drive > Exeter, NH 03833 USA > Tel: 603-775-5200 > Fax: 603-775-5201 > E-mail:[log in to unmask] > Website: <http://www.cobhamdes.com/> http://www.cobhamdes.com > > <mailto:[log in to unmask]> > > > > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > 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/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 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/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------