Electronics Forum | Thu Dec 09 04:11:54 EST 2021 | cirsol
Hello Forumers, I'm hoping there might be a SiPlace expert or two trawling the forum. We have an S25 machine that essentially has a failed MC harddrive and we're trying to rebuild a new one. Attached are a few images and perhaps something shown her
Electronics Forum | Wed May 24 17:49:51 EDT 2000 | Keith Luke
SMTneters, The end of May finds several recent publications from leading publishers on my desk. I am all too happy to share these books with our loyal SMTneters in the hopes that they will provide us with a timely review of the new release. For ma
Electronics Forum | Mon May 03 18:11:10 EDT 1999 | Steve Gregory
Hi Ya' John! Here's my comeback to the points you've raised...you knew I would have a comeback, didn't ya'? |Steve, | | I see your point, and yes there are alot bigger fish to fry in |the removal or control of lead in the environment. However even
Electronics Forum | Mon May 03 18:11:32 EDT 1999 | Steve Gregory
Hi Ya' John! Here's my comeback to the points you've raised...you knew I would have a comeback, didn't ya'? |Steve, | | I see your point, and yes there are alot bigger fish to fry in |the removal or control of lead in the environment. However even
Electronics Forum | Tue May 04 14:37:44 EDT 1999 | JohnW
| Hi Ya' John! | | Here's my comeback to the points you've raised...you knew I would have a comeback, didn't ya'? | | |Steve, | | | | I see your point, and yes there are alot bigger fish to fry in |the removal or control of lead in the environment
Electronics Forum | Tue May 26 15:27:36 EDT 1998 | Dave F
| | | I'm reviewing my board fab spec. It calls for a minimum SnPb thickness of 50 microinches on HASL PWB's. I've looked at other specs that call out anything from 30 to 80 microinches, and others that just say the copper pad must be covered and s
Electronics Forum | Tue May 26 20:18:09 EDT 1998 | Justin Medernach
| | | | I'm reviewing my board fab spec. It calls for a minimum SnPb thickness of 50 microinches on HASL PWB's. I've looked at other specs that call out anything from 30 to 80 microinches, and others that just say the copper pad must be covered and
Electronics Forum | Thu Jan 18 21:52:24 EST 2001 | arul2000
>>>>Dave, The BGA substrate surface finish is NiAu, while the PCBA pad surface is HASL. The solder ball composition is SnPb 63/37 and the solder paste used on the PCBA is also the same but with 2% Silver.>>> Dave, sorry I don't have the picture with
Electronics Forum | Mon Jun 25 20:47:09 EDT 2001 | davef
Much of the focus of pick & place machine supplier development efforts seems to directed towards either: * Head location detection, adjustment, and control. OR * Component location prior to pick-up. OR * Component position error correction after pick
Electronics Forum | Tue Jun 26 19:50:00 EDT 2001 | davef
49 hits on nitrogen, you probably used the one with the entry window => 13 or whatever hits on nitrogen. Here is my take on what you missed by using the other seach: Date: May 26, 2001 04:57 AM Author: Brian Sloth Bentzen Subject: Nitrogen Reflow
