Electronics Forum | Thu Oct 17 05:16:44 EDT 2013 | vincentdesilva2003
Anyone can help me how many percentage of blowholes and pinholes if i do the followings: 1. Increase copper plating thickness more than 25 microns. 2. Pre Baking of PCB to remove gassing by drying out the PCB's
Electronics Forum | Tue Aug 28 06:17:11 EDT 2007 | jgrootkoerkamp
I have problems with blowholes during the wave soldering process. I already find out that the stock time between reflow and wave is the most important. The longer the boards are in stock the more blowholes we have. We don't have a climat controlled
Electronics Forum | Fri Mar 28 13:22:19 EST 2003 | ksfacinelli
Could you be having outgasing from the melf?
Electronics Forum | Sun Mar 30 20:13:39 EST 2003 | iman
MK, this is a bad link, can help re-verify this link pls?
Electronics Forum | Thu Sep 16 02:30:34 EDT 2004 | Adam
No blow-holes, only minimum solder fillets. Adam
Electronics Forum | Tue Aug 28 16:30:24 EDT 2007 | shrek
thats goofy
Electronics Forum | Mon Sep 10 15:30:29 EDT 2007 | davef
See there Mr. Smartbutt, you were correct in spite of your more cynical tendancies. B)
Electronics Forum | Fri Mar 28 00:56:50 EST 2003 | iman
we have a issue of post-reflow oven (SMT) soldering defects of blowholes and pinholes. Any suggestions or knowledge on root cause is appreciated to be share? BACKGROUND : we DI water wash and oven bake the PCB bareboards at 90deg-C for 60mins, to r
Electronics Forum | Tue Jul 15 22:50:12 EDT 2003 | iman
We have an internal engineering study on blowhole solder joints and had helped reduce the problem to pinholes symtoms. The pinhole occurs in solder joint of a Land-Grid-Array (LGA) side-wall (external perimeter of package) fillets. Our customer is a
Electronics Forum | Mon Sep 10 12:27:32 EDT 2007 | hakerem
Hi Dave - You are correct that I was not clear in my comments. I assumed Joris had seen the usual solder balls accompanying his blowholes. Nevertheless, Joris, my first two recommendations still stand. Increasing the dwell time of your leads in t
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