Electronics Forum: solder ball after reflow (Page 1 of 199)

solder ball after reflow owen

Electronics Forum | Thu Aug 24 14:42:30 EDT 2006 | any

y we had solder ball after reflow owen?

solder ball after reflow owen

Electronics Forum | Thu Aug 24 15:37:50 EDT 2006 | Chunks

Hi Any, This is from an earlies thread "Solder Ball After Reflow Process". Date: August 16, 2006 01:52 PM Author: Russ Subject: Solder Ball After Reflow Process Oven settings are meaningless here. What does the board see? It is the paste we a

solder ball

Electronics Forum | Tue Jun 04 10:39:45 EDT 2002 | jasonfang

Does anyone knows root cause of solderball after reflow? Thanks

solder ball

Electronics Forum | Tue Jun 04 10:39:54 EDT 2002 | jasonfang

Does anyone knows root cause of solderball after reflow? Thanks

Strange empty ball on chip component after reflow

Electronics Forum | Thu Nov 30 08:09:19 EST 2006 | INGE

Hi everybody, The matter is this: after reflow, on top side leads of chip components (resistor 0805)appear some empty balls of solder. In some cases this thing is only on the lead and the solder joint seems good, in other cases this empty ball is als

solder ball

Electronics Forum | Sat Feb 06 07:14:40 EST 2021 | agoesfirmanto

Dear Sirs, very sorry being late reply after a year. Thank you very much for your advices, you are absolutely correct after reduce grounding pad size. No more solder ball issue. Thank you very much. highly appreciate all of your supports. Best re

solder ball

Electronics Forum | Wed Jan 01 22:19:33 EST 2020 | sssamw

Solder ball attached on solder joint without violation minimum electrical clearance is acceptable. If your process parameter including stencil not changed, suggest you check if solder pasted being pushed out after IC placement, also check if solder j

solder ball

Electronics Forum | Thu Jun 06 09:28:24 EDT 2002 | Hussman69

Sure do, it's from the paste that gets squeezed under your R's and C's. This paste is now on your mask and during reflow, wants to move off the mask. Unfortunatly, it follows the flux residue to the side of your component. An easy fix is to use th

solder ball

Electronics Forum | Tue Dec 31 02:13:14 EST 2019 | agoesfirmanto

This PCB model has been in production since 2018 and stopped production almost 1 year ago, now it has started production again and I found this problem. at the time of production in 2018 this problem did not occur. while the parameter settings do not

solder ball

Electronics Forum | Tue Jun 04 17:21:22 EDT 2002 | jasonfang

I found solderballs are around chip components (on one side of middle area), I checked gerber data, solder paste of aperture on the stencil for these chip components have 5% reduction to solder land on PCB, shape of solder land are square, not home p

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