Charles, Trying to save money no matter how much it costs is a management constant. David A. Douthit Manager LoCan LLC Charles Caswell wrote: >I will be watching this one. A couple of years ago we had a job for several >thousand little boards about 1.24" sq. The panels were supplied by the >customer and many of the panels had 50% or more bad boards. I asked the >customer why he was using a supplier with half bad product. The answer was >"they are the cheapest we could find". Duh. Of course to actually assemble >them cost more. But so what he gets bare boards cheap. > >-----Original Message----- >From: Mark Larson [mailto:[log in to unmask]] >Sent: Friday, March 12, 2004 9:13 AM >To: [log in to unmask] >Subject: [TN] Board panelization - bad boards > > >Hi, > >When boards are delivered as a panel for assembly it is not necessary >for all boards on the panel to be good, you don't want to scrap a panel >because of a small number of bad boards on the panel. My guess is that >if the panel contains 80% good boards you don't want to throw away the >entire panel, yet if there is only 20% good, it may not be cost >effective to send it through assembly (and you've probably lost faith in >that fabricator's boards). So is there a point where the number of bad >boards on the panel makes the entire panel scrap? How do you determine >that? > >Mark Larson >Sr. PCB Designer >Analog Technologies Corporation >11441 Rupp Drive >Burnsville, MN 55337 >952-894-9228 voice >952-894-2966 fax >[log in to unmask] > >--------------------------------------------------- >Technet Mail List provided as a service by IPC using LISTSERV 1.8e >To unsubscribe, send a message to [log in to unmask] with following text in >the BODY (NOT the subject field): SIGNOFF Technet >To temporarily halt or (re-start) delivery of Technet send e-mail to >[log in to unmask]: SET Technet NOMAIL or (MAIL) >To receive ONE mailing per day of all the posts: send e-mail to >[log in to unmask]: SET Technet Digest >Search the archives of previous posts at: http://listserv.ipc.org/archives >Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 >for additional information, or contact Keach Sasamori at [log in to unmask] or >847-509-9700 ext.5315 >----------------------------------------------------- > >--------------------------------------------------- >Technet Mail List provided as a service by IPC using LISTSERV 1.8e >To unsubscribe, send a message to [log in to unmask] with following text in >the BODY (NOT the subject field): SIGNOFF Technet >To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) >To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest >Search the archives of previous posts at: http://listserv.ipc.org/archives >Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 >----------------------------------------------------- > > > > --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 -----------------------------------------------------