Ryan that was really good reply. Dont u think reflow profile parameters are also critical? -- PARVEZ M.S. PATEL ADDRESS: GRADUATE STUDENT, APT.#2, 182 Westend Avenue, SYSTEMS SCIENCE AND INDUSTRIAL ENGG. BINGHAMTON, NY-13905 STATE UNIVERSITY OF NEW YORK, NEW YORK. U.S.A. BINGHAMTON-NY. PH:607-770-7507 EMAIL:[log in to unmask] [log in to unmask] URL:bingweb.binghamton.edu/~bg22842 ############################################################## 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. If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or 847-509-9700 ext.5365 ##############################################################