Electronics Forum: effect (Page 6 of 236)

Testing effect of non-clean flux residue on solder joints

Electronics Forum | Fri Nov 03 11:30:29 EDT 2017 | davef

regarding dwl comment, "For low volume hand assembly, deionized water or IPA should work fine." Deionized water: Deionized water is corrosive. It needs to be removed. Proof? Drop a copper coin into a covered jar of DI water and watch what happens ov

How does temperature and humidity effect solder paste/printing

Electronics Forum | Wed Apr 11 22:05:58 EDT 2001 | davef

OA pastes are more hydroscopic than NC pastes. Hydroscopic. The capacity of a material to absorb and retain moisture from the ambient air. Sometimes this is compounded if you remove paste from the frig and let it warm to room temperature, because

What will be the effect of additional solder paste?

Electronics Forum | Tue Apr 19 16:20:05 EDT 2016 | davef

Don't blame it on the poor paste thickness requirement [although I might go on to argue that it's could be a contributor to the issue]. Most likely you're the problem. About 70% of the time solder on gold fingers is caused by poor cleaning of screen

Need help on assessment of effect of temperature and humidity in battery consumption

Electronics Forum | Tue Apr 24 21:00:58 EDT 2018 | marlonbc

Hi All, Would just like to course through this concern on a product that we are contracted to assemble. It is mainly used for an automatic hand sanitizer dispensing product. By design there is a restrictive value of current that it needs to dissipat

Lead-free PCB: After Effect

Electronics Forum | Mon Aug 21 23:10:22 EDT 2006 | cpliew

How does it effect the fabricators' manufacturing yields and efficiencies? And reliability of the fabricated PCB?

Cheapest But Effective Stencil Cleaner?

Electronics Forum | Mon Aug 25 13:03:25 EDT 2008 | smt_guy

What is the cheapest but an effective stencil cleaner available in the market? thanks in davance... regards

fmea

Electronics Forum | Fri May 21 12:13:11 EDT 2010 | davef

Failure Modes and Effects Analysis (FMEA): http://en.wikipedia.org/wiki/Failure_mode_and_effects_analysis

Effect of copper

Electronics Forum | Tue Jul 04 21:56:23 EDT 2017 | anhsang38

Hi Everyone I wonder know the effect of copper in solder paste, solder bar. Thanks.

Solder Connection Environmental Screening

Electronics Forum | Wed Aug 23 09:05:38 EDT 2000 | Dave F

Dr. Lee: In using environmental screening tests to assess solder joint reliability, what are the effects that make low temperature vibration effective in screening of poorly wetted solder connections? What temperature and vibration profile are effe

effective liquor for cleaning the residues in reflow oven

Electronics Forum | Tue Jun 12 23:25:29 EDT 2001 | chinaren

As you know there will be a lot of residues(such as rosin) left especialy on the peak zone and cooling zone of reflow oven after reflow soldering in a time. who use one kind of effective liquor or effective method to clean the residues ?


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