Remember, this reply was sent to Susan, with the 15-mil lines and 38-mil holes and a major quality problem from her board supplier. I thought of the fine feature challenges and all you say is true with regard to them. However, I focused just on Susan's problem with using AOI on such large features really boiled down to getting the supplier to clean up their act (read down through my previous reply to her commentary). Patty Patricia J. Goldman PPG Industries, Inc. 412-492-5516 [log in to unmask] -----Original Message----- From: TPE Engineering TechNet [mailto:[log in to unmask]] Sent: Wednesday, August 18, 1999 2:19 PM To: [log in to unmask] Subject: Re: [TN] Board Layout for AOI and LPI -Reply I agree with Patricia whole heartedly. However, due to the complexity of todays product, with lines and spaces going down to 3/3 and less, it may also be time to take a look at the requirements placed on our laminate and other material suppliers. Small dents and epoxy spots (acceptable to IPC requirements) on copper clad laminate which may not have been an issue in the past on 10 mil lines and spaces, are definately an issue with todays 3 mil and less technologies. Ron Hayashi 1-858-695-2222 [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. If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or 847-509-9700 ext.5365 ############################################################## ############################################################## 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 ##############################################################