Phil Thanks for the proofread. I need to get that fixed. Mike McMaster RF Product Engineer Merix Corporation 503-992-4263 ---------- From: Phil Crepeau [SMTP:[log in to unmask]] Sent: Monday, November 22, 1999 5:21 PM To: [log in to unmask] Subject: Re: [TN] Looking for list of prepreg and core thickness for FR-4 hi, i think you need to do a sanity check on the data at this site. for example, they state that the thickness of 1/4 oz/ft2 copper is 3 mils. this is a typo. the thickness of course is about 0.3 mils. the guideline on a lot of data you get on the internet is 'caveat emptor'. i heard once heard it said that there is a lot of information on the internet, but knowledge is not guaranteed. phil crepeau -----Original Message----- From: Stephen R. Gregory [mailto:[log in to unmask]] Sent: Monday, November 22, 1999 4:44 PM To: [log in to unmask] Subject: Re: [TN] Looking for list of prepreg and core thickness for FR-4 In a message dated 11/22/99 3:54:13 PM Central Standard Time, [log in to unmask] writes: > I am looking for a list of standard thicknesses for FR-4 prepreg and cores > > Can anyone help? > Barbara Burcham @ Fairfield > Houston Hi Barbara! Merix has a pretty decent page about FR-4 prepreg properties at: http://www.merix.com/main_res.html Click on DFM in the column at the left of the page when it opens... Hope this helps... -Steve Gregory- ############################################################## 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 ############################################################## ############################################################## 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 ############################################################## ############################################################## 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 ##############################################################