Reuven, It is 90Pb/10Sn. I also did not find any article about the future leafree composition for high temperature solder balls. Gaby ----- Original Message ----- From: "Reuven ROKAH" <[log in to unmask]> To: <[log in to unmask]> Sent: Monday, May 31, 2004 7:08 AM Subject: Re: [TN] Lead Free BGA's... > Hi temp. BGAs balls alloy is mostly Tin (90-10) as far as I know. > > The suggested alloy for BGAs balls is SAC (Tin-Silver-Copper). > > Reuven > > > > > Lum Wee Mei > <[log in to unmask] To: [log in to unmask] > .SG> cc: > Sent by: TechNet Subject: Re: [TN] Lead Free BGA's... > <[log in to unmask] > > > > > 31/05/2004 04:28 > Please respond > to "TechNet > E-Mail Forum."; > Please respond > to Lum Wee Mei > > > > > > Steve, > > What a valid and good question to ask! It really never strike me or > anyone in the industries to ask this. I am dying to know the answers > offer my our BGA manufacturers. > > Regards, > Wee Mei > > Steve Gregory wrote: > > >Hi ya'll!!! > >I know most everyone is out for the Memorial day holiday, so this will be > >something that > >everyone can look at on Tuesday... > >My question is; what are the spheres going to be made of for "Lead-Free" > >BGA's? What about the BGA's (ceramic ones usually) that have "High-temp" > balls? > >The high-temp balls are mostly lead, right? > >-Steve Gregory- > > > >--------------------------------------------------- > >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 > ----------------------------------------------------- > --------------------------------------------------- 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 -----------------------------------------------------