The DSC usually gave high Tg value than TMA. jk At 08:41 AM 4/20/99 PDT, you wrote: >Hello all, > >Could somebody tell me how the measurement results differ? I vaguely >recall that when measuring the same board by these two different >methods, one method would show a slightly higher value than the other. > But, I can't recall which one. For example, is 135 C Tg by DSC >equivalent to 130 C Tg by TMA? > >I know there's sample and test variation, but I'm looking at results >in general. > >And, while we're on it, which test method is your preference, >especially when it comes to specification issues. > >Thanks > >Glenn Pelkey >[log in to unmask] >[log in to unmask] > > > >_______________________________________________________________ >Get Free Email and Do More On The Web. Visit http://www.msn.com > >################################################################ >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 ################################################################