Electronics Forum: shiny joint (Page 1 of 10)

facing cold joint problem

Electronics Forum | Mon Jan 19 14:54:38 EST 2004 | cyber_wolf

How did you come to the conclusion that you are having a cold joint problem. Just by appearance ? As Dave stated if you have any of the metals that he listed in the joints they will appear to be dull and grainy sometimes. But... Dave, I will have t

Solder joint issue

Electronics Forum | Wed May 17 12:31:54 EDT 2006 | Mark

Hi , It looks like there is solder (shiny like mirror surface). Defently not black and not gold. Regards Mark

Wrinkle finished on solder joint

Electronics Forum | Thu Oct 25 04:52:17 EDT 2001 | Vai

I'm running intrusive reflow. What happened was when the board went thru' the first reflow ( which is secondary side ), at Post reflow, I can see the solder joint quality is very good smooth and shiny. But when we proceed with the 2nd reflow, at Post

Weak joint strength and black residue

Electronics Forum | Fri Jun 08 17:22:51 EDT 2007 | naynayno

We have been producing an IMS assembly with SMT dpak's for some time. However, we recently encountered a new problem by chance - the parts can be flicked off with a finger nail. I state by chance because the solder joints are wetted and shiny with

Re: Solder joint quality/reliability - Mass reflow vs. handsoldering

Electronics Forum | Thu Jun 25 18:28:23 EDT 1998 | Earl Moon

Looking for articles/data comparing the quality/reliability of mass reflowed SMT solderjoints versus hand soldered SMT solderjoints. As solder joint quality most often is subjective - that is visually compared with graphic examples, IPC is the B

Re: Gold Immersion Solder Joints

Electronics Forum | Thu Jul 09 11:32:16 EDT 1998 | Justin Medernach

What should a good gold joint look like? We've run boards for our customers that look kinda dull but seemed to wet properly and the boards fired up just nicely! Should they look nice and shiny like our HASL boards or is "a shiny joint is a good joi

Gold Immersion Solder Joints

Electronics Forum | Sun Jul 05 12:47:44 EDT 1998 | Bruce Carnegie

What should a good gold joint look like? We've run boards for our customers that look kinda dull but seemed to wet properly and the boards fired up just nicely! Should they look nice and shiny like our HASL boards or is "a shiny joint is a good joint

Re: Gold Immersion Solder Joints

Electronics Forum | Mon Jul 06 08:36:26 EDT 1998 | Steve Schrader

What should a good gold joint look like? We've run boards for our customers that look kinda dull but seemed to wet properly and the boards fired up just nicely! Should they look nice and shiny like our HASL boards or is "a shiny joint is a good joi

Re: Gold Immersion Solder Joints

Electronics Forum | Mon Jul 06 12:05:56 EDT 1998 | Srirama T. Reddy

What should a good gold joint look like? We've run boards for our customers that look kinda dull but seemed to wet properly and the boards fired up just nicely! Should they look nice and shiny like our HASL boards or is "a shiny joint is a good j

Re: Gold Immersion Solder Joints

Electronics Forum | Fri Jul 10 14:20:24 EDT 1998 | Bob Willis

Yes bright shiny joints are a myth as many people like dull joints as they are easier to inspect due to reduced reflection of light. The difference you are seeing in the joints is more likly to be a surface effect, flux or just you think its differen

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