Electronics Forum | Tue Feb 29 10:14:02 EST 2000 | Robert Hartmann
My company is just getting into the flip chip packaging arena. We are putting in a prototype/small volume wire bond PBGA line. We have some questions with regard to choosing solder balls and cleaning of flux. 1) Is there a formula for the shrink
Electronics Forum | Tue Feb 29 10:14:02 EST 2000 | Robert Hartmann
My company is just getting into the flip chip packaging arena. We are putting in a prototype/small volume wire bond PBGA line. We have some questions with regard to choosing solder balls and cleaning of flux. 1) Is there a formula for the shrink
Electronics Forum | Thu Jan 07 09:24:08 EST 1999 | Chrys
| | We are currently fighting a dross battle on our non-inerted waves. We are currently using a bar solder that barely meets QQS-571 for Alloy/Impurity. | | | | Is anybody using HI FLO in a non inerted wave? Do you see a measureable decrease in dr
Electronics Forum | Tue Oct 06 15:16:30 EDT 2020 | rieko
We are draining a leaded solder pot
Electronics Forum | Tue Jan 12 09:29:37 EST 1999 | Dave F
| | | We are currently fighting a dross battle on our non-inerted waves. We are currently using a bar solder that barely meets QQS-571 for Alloy/Impurity. | | | | | | Is anybody using HI FLO in a non inerted wave? Do you see a measureable decrease
Electronics Forum | Wed Mar 01 16:58:03 EST 2000 | Dave F
Robert: On your balls: Solder suppliers make several "standard balls" and can advise you. On your cleaner: Recycling water / direct to drain? Most batch cleaner suppliers can advise you on recycling and filtering systems to keep you out of troub
Electronics Forum | Wed Mar 01 16:58:03 EST 2000 | Dave F
Robert: On your balls: Solder suppliers make several "standard balls" and can advise you. On your cleaner: Recycling water / direct to drain? Most batch cleaner suppliers can advise you on recycling and filtering systems to keep you out of troub
Electronics Forum | Thu Oct 14 06:00:49 EDT 1999 | Graham Naisbitt
The latex should not influence your closed-loop filtration - unless of course it falls off during cleaning. The issue would be with water soluble materials. As Dave (hi Dave) said, the clay based version of these will clog/blind/knacker your carbon
Electronics Forum | Wed Oct 07 13:30:57 EDT 2020 | davef
I have great memories [bad dreams??] of draining solder pots. Previous discussions on SMTnet are worthy of review. Some are here: https://smtnet.com/index.cfm?fuseaction=search_submit&searchstring=bread+pan&collection=site_forum
Electronics Forum | Tue Jan 11 07:46:23 EST 2000 | Dave F
Wolfgang: Boy it's tough to convey context in this medium, isn't it? Clipped from our paste storage work instruction, environmental effects on paste are: 1a Avoid excessive heat (over 80� F). It causes flux separation, reducing print quality. 1b
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