Clint Cote wrote: > > I'm looking for a way to capture what-if calculations for trace width/temp rise > above ambient for internal/external layers. I know about the charts in > IPC-D-275 but I'm looking for a spread sheet or stand alone app. that I can > print the results from. I don't have the time to build it my self and I would > appreciate help from anyone that might have a solution. > > Thanks > ============================================================= > Clint Cote GE Fanuc Automation > PCB Designer PO Box 8106, Mail stop D-40 > Phone: (804) 978-5946 Charlottesville, VA 22906 > e-mail: [log in to unmask] > > ############################################################## > 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. > For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 > ############################################################## Clint--- I posted an equation on this very subject earlier this week, if you've been on technet this week, it should be in you e-mail. Ralph -- Ralph Hersey Ralph Hersey & Associates 3885 Mills Way Livermore, CA 94550-3319 PHN: 510.454.9805 FAX: 510.454.9805 e-mail: [log in to unmask] ############################################################## 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. For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 ##############################################################