I have a customer who is skeptical of using 0.004" trace/space width technology on their boards. Does anyone know where I could find reliability study information on this subject? Both fabriciation and long term. Thank you- Susan __________________________________________________________________________ _/_/_/_/_/ _/_/_/ _/_/_/ Susan Harrington _/ _/ _/ PCB Designer _/ _/ _/ Technology Group Inc. _/ _/ _/_/ _/ A [log in to unmask] _/ _/ _/ _/ PLEXUS 920-751-5432 (voice) _/ _/_/_/ _/_/_/ Company 920-751-5659 (fax) __________________________________________________________________________ ################################################################ 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 ################################################################