At 08:34 AM 5/27/2008, Wenger, George M. wrote: >I'm having a hard time believing that the size of the ho >Robert, concur. should be the opposite. Think about what "immersion" means and how an immersion process behaves as the base metal is covered up. >I'm having a hard time believing that the size of the hole has anything >to do with Immersion Silver. > >-----Original Message----- >From: TechNet [mailto:[log in to unmask]] On Behalf Of Croslin, Robert >Sent: Tuesday, May 27, 2008 10:57 AM >To: [log in to unmask] >Subject: [TN] PTH's With Immersion Silver > >We've been using immersion silver on our boards for quite a while with >great success, but in a recent run of a new product, we had the boards >come in with the PTH's used to mount RCA and audio connectors smaller >that usual. The parts came in on the large end so it became very >difficult for the operator to insert them into the board. Both holes >and parts were in tolerance and the holes were specified at the >recommended diameters. Our CM has a woman who spent 20 years working in >pcb fab houses and she tells me that it's not at all unusual to have IS >boards with reduced ID's on the holes as opposed to HASL. Has anyone >else experienced this? If this is the case, we'll have to adjust for >this in the future, but it would be useful to know if this was an >anomaly or a normal condition? > >--------------------------------------------------- >Technet Mail List provided as a service by IPC using LISTSERV 15.0 >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 847-615-7100 >ext.2815 >----------------------------------------------------- > > >No virus found in this incoming message. >Checked by AVG. >Version: 8.0.100 / Virus Database: 269.24.1/1468 - Release Date: >5/26/2008 3:23 PM >------------------------------------------------------------------------------------------------ >This message is for the designated recipient only and may >contain privileged, proprietary, or otherwise private information. >If you have received it in error, please notify the sender >immediately and delete the original. Any unauthorized use of >this email is prohibited. >------------------------------------------------------------------------------------------------ >[mf2] > > >--------------------------------------------------- >Technet Mail List provided as a service by IPC using LISTSERV 15.0 >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 >847-615-7100 ext.2815 >----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 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 847-615-7100 ext.2815 -----------------------------------------------------