Charles; Sometimes a mechanical stiffener is attached to a board, such as a strip of aluminum angle. Joe Hurst > -----Original Message----- > From: Charles J Wills [SMTP:[log in to unmask]] > Sent: Wednesday, July 01, 1998 11:43 AM > To: [log in to unmask] > Subject: [TN] Stiffer FR4 material? > > We have a pcb that measures about 13" x 5", 6 layers (2 power and 4 > signal), > FR4, 0.062" thick (plug in IBM PC card). This board seems to be very > flexable--more than other boards of the same size that we have seen. Is > there a specific type of FR4 we can specify to make the board "stiffer"? > > Thanks, > > Charles > > _____________________________________________________________________ > You don't need to buy Internet access to use free Internet e-mail. > Get completely free e-mail from Juno at http://www.juno.com > Or call Juno at (800) 654-JUNO [654-5866] > > ################################################################ > TechNet E-Mail Forum 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's web site (http://www.ipc.org) "On-Line Services" > section for additional information. > For technical support contact Hugo Scaramuzza at [log in to unmask] or > 847-509-9700 ext.312 > ################################################################ ################################################################ TechNet E-Mail Forum 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's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################