Greetings all. If you have a response to this message, please reply to me privately at [log in to unmask] I have been asked by a member to help identify a manufacturing source for PCB. Some details: Lot size 10,000 boards a year 6-8 layer multilayer Heavy copper planes 4oz copper Etchback/Smear removal required 0.0002 - 0.002 inches (5-50 micron). (This have been the most difficult requirement to find companies to meet) Thanks for your help. Best regards, Dave David W. Bergman, CAE Vice President, Standards, Technology and International Relations IPC 3000 Lakeside Drive # 309S Bannockburn, IL 60015 Phone 847-597-2840 Fax 847-615-5640 Mobile 847-867-1388 Main 847-615-7100 email [log in to unmask] www.ipc.org <http://www.ipc.org/>