Apples and Oranges. 500 dppm is process control. 2.5 AQL is sorting. Guy Ramsey American Competitiveness Institute Senior Lab Technician / Instructor 610 362-1200 ext 107 -----Original Message----- From: TechNet [mailto:[log in to unmask]]On Behalf Of Marti Tully Sent: Monday, September 18, 2000 8:06 PM To: [log in to unmask] Subject: [TN] FW: Sampling Plans > > Subject: Sampling Plans > > > > I have a customer who insists that the AQL sampling plans in IPC 6012 are > not sufficient to guarantee his desired dppm and he is right. His product > is class 2 and we, in general, follow a 2.5 AQL in final inspection for > external defects. This customer wants a dppm of 500. I know of no cost > effective sampling plan that can guarantee this. Only maintaining rigorous > process control can meet this requirement. > > > > I, however, promised to survey the industry for their thoughts ... here I > am ... comments? > > > > > > Marti Tully, Quality Manager > > Sanmina Phoenix > > Office 602-824-8497 > > Cell 602-549-4535 > > ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8d ############################################################## 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 Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ############################################################## ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8d ############################################################## 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 Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ##############################################################