Hi Inge, We both know we would rather have no SAC. Werner -----Original Message----- From: Inge <[log in to unmask]> To: TechNet E-Mail Forum <[log in to unmask]>; Werner engelmaier <[log in to unmask]> Sent: Fri, 13 Feb 2009 1:19 pm Subject: Re: [TN] [tinwhiskers] - RoHS & BGAs!!! a whole sac?? Inge? ? ----- Original Message ----- From: "Werner engelmaier" <[log in to unmask]>? To: <[log in to unmask]>? Sent: Friday, February 13, 2009 5:52 PM? Subject: Re: [TN] [tinwhiskers] - RoHS & BGAs!!!? ? > Hi Hani,? > If you needed underfill with SnPb solders, you will even more need it with > SAC.? > For testing, use IPC-9701.? >? > Werner? >? >? >? >? >? >? >? > -----Original Message-----? > From: AL-Yousef, Hani E <[log in to unmask]>? > To: [log in to unmask]; TechNet E-Mail Forum <[log in to unmask]>; > [log in to unmask]; SMART Group smart-e-link > <[log in to unmask]>? > Sent: Fri, 13 Feb 2009 11:27 am? > Subject: [tinwhiskers] - RoHS & BGAs!!!? >? >? >? >? >? >? >? >? >? >? >? > Hello All,? >? > I am in the hunt for information on how to best evaluate whether? > underfill is needed for SAC BGA when soldered with SAC paste.? >? > Also, part of my evolution is to find the right solder, flux and? > chemistry to clean afterwards. Further specify a cleanliness level.? >? > I guess one has to find to the right test to use to evaluate these? > parameters.? >? > Our products are expected to last for 20+ years while mounted outside on? > a power distribution pole mounts.? >? >? > I can use all the help I can get.? >? > Thanks? > Hani? >? >? >? >? >? >? > ---------------------------------------------------? > 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 -----------------------------------------------------