Electronics Forum: 3mil (Page 6 of 7)

Inline Washers

Electronics Forum | Fri Feb 28 10:32:45 EST 2003 | pjc

Cookson Electronics Equipment- Electrovert AquaStorm 200 highly recommended options: Checkmate Conveyor Hurricane Jets in Wash and Rinse 4 Additional Top Spray Bars in Wash *Closed Loop Filtration System for Wash *Positive Displacement Chemical Meter

No-Lead solder defect - No solder on pads

Electronics Forum | Tue Dec 23 11:55:37 EST 2003 | Marc Simmel

Details, details: 1) The metal shell is part of the component body. The base metal is austenitic stainless steel (304) that has been plated with 90/10 tin-lead over nickel (semi-bright). 2) The entire part (leads and shell) is elevated by the mass o

Bubbles on solder joint(after conformal coating curing)

Electronics Forum | Mon Dec 28 09:12:56 EST 2009 | kpm135

@tommyg_fla According to the TDS the recommended coating thickness for Humiseal 1B31 is only 1-3 mils so if I had to guess I would say your issue might be that you're re-coating over the first pass too soon. All the solvent hasn't evaporated and the

80/20 Au/Sn Solder and Proper FLux Selection

Electronics Forum | Mon Jan 17 17:38:29 EST 2011 | bandjwet

All: I am reaching out to get some suggestions on the right flux to use as well as a recommended cleaning process for soldering a KOVAR RF shield using 80/20 Au/Sn solder to a ceramic hybrid. The recommended profile is 4-5 min at 280C and at least

Quad 4C part placement rejection

Electronics Forum | Thu Nov 17 05:11:09 EST 2011 | bobpan

wow.....lets try some more things....... first....i think quad align error 0 has something to do with the theta number not being at 0,6000,12000,18000. I am not for sure about that but check it out by doing a function 3 on your pickups. second.....

Stencil aperture positional accuracy

Electronics Forum | Fri Jul 06 04:55:59 EDT 2012 | ccgooi

I have fabricated a artwork of stencil on a mylar and make comparison on PCB and Stencil in order to confirm if there is any PCB stretching at both end. The results are comparable for both stencil and PCB without any stretching . So,I assumed that th

Which kind of supplier should I choose for pcb fabrication?

Electronics Forum | Mon Oct 29 05:14:18 EDT 2018 | vipcircuit

This is Joe from Shenzhen Vip Circuit Co,. Ltd.-- a leading PCB and PCBA manufacturer in China. Why choose Vipcircuit ? 1. PCB fabrication with 100% ET and AOI testing,certified by ISO, UL; 2. Special material like Rogers,Arlon,Taconic,Aluminum base;

PCB Manufacturing Australia

Electronics Forum | Mon Oct 29 11:44:46 EDT 2018 | vipcircuit

Dear Andrew: Nice day! This is Joe from Shenzhen Vip Circuit Co,. Ltd.-- a leading PCB and PCBA manufacturer in China. Why choose Vipcircuit ? 1. PCB fabrication with 100% ET and AOI testing,certified by ISO, UL; 2. Special material like Rogers,Arlon

Is there any good service in China for PCB assembly?

Electronics Forum | Wed Oct 24 06:10:58 EDT 2018 | vipcircuit

Shenzhen Vip Circuit Co,. Ltd.-- a leading PCB and PCBA manufacturer in China. Why choose Vipcircuit ? 1. PCB fabrication with 100% ET and AOI testing,certified by ISO, UL; 2. Special material like Rogers,Arlon,Taconic,Aluminum base; 3. Special techn

Gold versus HASL finish

Electronics Forum | Tue Mar 15 22:04:56 EST 2005 | KEN

The hasl joint looks fuller (and is easier to inspect)because it has more solder volume. Think about it. Your pre-plating your board with solder (before you add more solder). I doubt your getting 0.3 mils of hasl.....probably more like 1.3 to 3.0


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