Electronics Forum: bain (Page 1 of 1)

Solder balls

Electronics Forum | Wed May 09 11:25:29 EDT 2001 | medernach

What type of preheaters do you have on you're wave? I have to agree with Dave. Your leads are not cold, they are hotter than the annular ring on the PCB. This would cause the solder to go to the lead only rather than the component and land pad / a

Re: Solder Resist Solder balls

Electronics Forum | Tue Dec 22 12:32:16 EST 1998 | Earl Moon

Folk's, I'm in need of some help / direction. I'm working on my thesis for a masters based on looking at the effect's of the solder resist promoting / reducing the amount of solder ball's during wave. I'm looking at thing's like colour, texture,

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