Electronics Forum: kris (Page 1 of 6)

Flux Selection

Electronics Forum | Mon Dec 23 15:03:09 EST 2002 | kris

Designed experiments I guess


Electronics Forum | Mon Apr 21 16:25:10 EDT 2003 | kris

Hi, As many must be aware a number of component manufactuers maybe shipping lead-free parts without part number changes. without knowing the datecode tracked on each component it would be difficult to trace components whether they are lead-free or

Lead Free soldering profile for SMT

Electronics Forum | Wed Jun 11 10:24:23 EDT 2003 | kris

Hi, The percentage of lead (0.1% or otherwise) is still being debated in the EU where the legislation is in place. The industry is pushing for a 0.2% limit,(if lead-free has to be) as it is considered a limit where solder can be recycled economical

Cu dissolution PTH

Electronics Forum | Tue Apr 25 16:31:52 EDT 2006 | kris

Inds, Guys Any updates to share on this issue ? Thx

solder strength

Electronics Forum | Thu Sep 08 14:25:20 EDT 2005 | kris

what did you reprofile to ? did you increase the peak reflow temperature ? can you tell form what to where ? I bet your vendor told you process guys that it was " drop in" for a tin leaded plated part.

Immersion Gold (ENIG)

Electronics Forum | Fri Sep 16 14:29:34 EDT 2005 | kris

look through the archives for wave soldering whats the thickness of your gold ? have you done all you can for adjusting the process ? check archives for recommendations

Thermal Profiler Shield

Electronics Forum | Thu Jun 01 13:59:34 EDT 2006 | kris

can you please post a picture of the sock ?

SACX vs. SN100C

Electronics Forum | Wed Jul 19 11:30:08 EDT 2006 | kris

280 is pretty hot dont you think have you tried the alloy at 260-265 where SAC 305 works ? Thx

SACX vs. SN100C

Electronics Forum | Fri Jul 21 16:34:56 EDT 2006 | kris

and also that most connector/PTH component vendors test their components with immersion temperatures of around 260 degc & they do not preheat the components, so it does not mimic the heat in a typical wave soldering operation

Blistering issue, mixed LF/SnPb process

Electronics Forum | Mon Jul 31 15:03:38 EDT 2006 | kris

Did you try a different lot of components or a different vendor of the components to see if the problem remains ?

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