Electronics Forum: 20.25 (Page 1 of 9)

Voids in solder fillet

Electronics Forum | Thu Apr 17 16:41:37 EDT 2003 | davef

60% ||||36% of ball area|| >36% ||Class2|| Accept|| Reject ||||45% of ball diameter|| >45% ||||20.25% of ball area|| >20.25% ||Class3|| Accept|| Reject ||||30% of ball diameter|| >30% ||||09% of ball area|| >09%

Solder Paste Thickness Measuring Device

Electronics Forum | Thu Mar 18 14:20:25 EST 2004 | pjc

here's another: http://cybertechnologies.com/eng/

smt zener color codes

Electronics Forum | Wed Jun 22 14:20:25 EDT 2005 | mmjm_1099

http://www.crystalradio.net/cal/diodeid.shtml

silicone conformal coat and electrical contacts

Electronics Forum | Mon Jan 29 20:25:24 EST 2007 | davef

We allow no silicone in our shop, because they ruin solderability.

CR Technology 6500

Electronics Forum | Tue Aug 18 21:20:25 EDT 2015 | fishingfool

www.aoi-services.com No affiliation. I think last person servicing these systems.

No Clean flux with more solids

Electronics Forum | Thu Mar 02 11:20:25 EST 2017 | tombstonesmt

Our Senju Sparkle Flux contains 8% solids and is a NC.

bought Quad QSA30, need manual

Electronics Forum | Tue Jul 21 20:25:56 EDT 2020 | eptac

You may contact PPM in Fremont, NH. They sell and service Quad equipment.

Stencils with two PCB layouts

Electronics Forum | Thu Feb 01 20:25:22 EST 2024 | jdengler

We do this often on smaller boards. More than saving money it reduces the storage space.

Standard for BGA void

Electronics Forum | Mon Oct 21 08:46:15 EDT 2002 | davef

60% ||||36% of ball area|| >36% ||Class2|| Accept|| Reject ||||45% of ball diameter|| >45% ||||20.25% of ball area|| >20.25% ||Class3|| Accept|| Reject ||||30% of ball diameter|| >30% ||||09% of ball area|| >09% II. Missing Ball: This is prohi

BGA assembly and inspection

Electronics Forum | Tue Apr 03 01:37:54 EDT 2001 | philipreyes

60% 36% 0f ball area >36% Class2 Accept Reject 45% of ball diameter >45% 20.25% of ball area >20.25% Class3 Accept

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