Hi All, - HEEEEELP!!!!!! I have an interesting dilemma. We are trying to develop a circuit pattern to create a resistance of 9 milliohms. This circuit is also required to fuse between 5.0-6.0 amps. The circuit will be formed on 2 oz. cu., exposed from soldermask and will be solder coated to IPC standards. Operating temperature is 65C degrees. I have some generic information concerning copper resistivity from IPC-D-317A. This spec also refers to IPC-MF-150 for further detail. I do not have this spec. Any info would be greatly appreciated. Thanks, Rick ################################################################ 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 web site (http://jefry.ipc.org/forum.htm) for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################