Electronics Forum: solder-ball (Page 8 of 142)

Flip Chip Solder Ball Attach

Electronics Forum | Wed Aug 05 11:08:36 EDT 2009 | spitkis2

Hi, This may be a bit off the subject but thought I'd ask just in case. I am looking to identify a process / equipment for attaching solder balls to flip chips. Solder balls are 75 microns in diameter. With BGA's there are reballing kits that use

Solder Ball

Electronics Forum | Wed May 15 00:43:17 EDT 2013 | ultimatejoker

Thanks

Solder Ball

Electronics Forum | Tue May 21 07:18:38 EDT 2013 | davef

yes

solder ball

Electronics Forum | agoesfirmanto |

Tue Dec 31 01:52:49 EST 2019

Solder balls on solder side!!

Electronics Forum | Tue Feb 27 22:04:45 EST 2001 | hany_khoga

Dear all: I need to know why do I find a lot of solder balles every where on the solder side of my assemblies after coming out of the wave solder machine. How can I avoid this? Thanks Hany

Solder Ball and Splash after Hand Soldering

Electronics Forum | Fri Jul 24 23:20:11 EDT 2009 | umar

Hi Dave, Thanks on your feedback, May I know the how's the contributing of Moisture content of bare board and the Thickness of the copper plating in the PTH to the solder ball and solder splash during hand soldering process ?

BGA soldering

Electronics Forum | Tue Oct 28 09:24:10 EST 2003 | davef

Running a soldered BGA through a wave solder pot is very risky: * 230-240*C temperature of the pot could damage the device. * Solder in the pot will certainly cause bridging between BGA solder balls. * Solder in the pot could melt BGA solder balls.

solder ball

Electronics Forum | Tue Dec 31 02:06:21 EST 2019 | sssamw

Yes, from the picture, it seems the gap between solder pad is very small, easy to have solder ball/solder bridge.

Solder balls on solder side!!

Electronics Forum | Wed Feb 28 10:00:46 EST 2001 | dason_c

Please advise what kind of the solder mask, glossy or matt? Matt finished can reduce the solder ball significant. Check Enthone, Enplate DSR Series. Good Luck!

Solder balls - Pb wave soldering

Electronics Forum | Thu Aug 05 05:00:34 EDT 2004 | Bryan

In my normal Pb process,we 've a station names "Remove the solder balls and clean the board",I think we'll also have such a station in our Pb-free process. Bryan


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