Electronics Forum: cag and free (Page 1 of 44)

lead free and tombstoning

Electronics Forum | fredericksr |

Thu Feb 16 12:42:03 EST 2006

lead free and tombstoning

Electronics Forum | Thu Feb 16 12:41:50 EST 2006 | fredericksr

Hey folks, I was interested in any information that you might have on tombstone reduction when using a lead free solder and profile. Thanks for any input that you may have! -Russ #x

lead free and tombstoning

Electronics Forum | Fri Feb 17 09:02:21 EST 2006 | russ

proper pad geometries, accurate placement, and good reflow profile. Are you having problems right now?

lead free and tombstoning

Electronics Forum | Fri Feb 17 11:01:47 EST 2006 | amol_kane

with lead-free solders, one would expect to find less instances of tombstoning. this is because SAC alloys are not eutectic and melt over a range of temp (usually 217-220 deg C) instead of at a single temperature. therefore the forces due to solder s

hot bar and lead free

Electronics Forum | Wed Jan 07 12:09:40 EST 2004 | Kris

Hi All, Does any body have any information on hot bar lead free soldering ? Need papers or experimental data ASAP Thanks

Mix Pb and Pb free alloy

Electronics Forum | Wed May 24 15:59:34 EDT 2006 | JohnM

I have a product with mixed in Pb free and Pb BGAs. I decide to use SnPb paste with Pb free reflow profile to make it work for both types of BGA. Do I have a reliability solder joint issue by using this method? How is your opinion on this case? Can

lead free platings and tin lead

Electronics Forum | Tue Aug 31 12:01:26 EDT 2004 | russ

Kris, this practice has gone on for years. I have never heard of any problems associated with this. I have heard "grumblings" about tin lead parts being processed with lead free paste, but have seen or heard of no data to support. Russ

Kester R562 and using lead free components

Electronics Forum | Fri Jul 06 12:11:34 EDT 2007 | james

We are starting to see issues with using Kester WS R562 with lead free components. The joints look grainy on almost all of the 0402'2 and other small components. Some of the solder does not solder to the terminations. These are hybrid boards which

Mix Pb and Pb free alloy

Electronics Forum | Thu May 25 10:55:21 EDT 2006 | Chunks

Loctite makes a product called MP218 that works well with mixed alloys.

lead free platings and tin lead

Electronics Forum | Tue Aug 31 11:57:03 EDT 2004 | Kris

Hi Any body have any issues soldering tin lead solder paste with lead free terminations ? Components are leaded devices and chip components have read the theoritical discussions on the forum, need to know if any body has seen any real issues tod

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