Electronics Forum: thaw solder paste (Page 5 of 653)

solder paste deposition

Electronics Forum | Fri Jan 06 19:57:19 EST 2006 | abhinavajmera

What would be the most suitable expression for ratio of Volume of Alloy to Volume of Paste for a solder paste? For example if we use 63Sn/37Pb alloy with a 90 Wt% metal what would be an appopriate expression for the Volume Ratio?

solder paste control

Electronics Forum | Wed Mar 14 16:10:38 EDT 2012 | cobham1

We need to develop a method of putting solder paste on a stencil then putting the unused part back into the refrig. Reason we are thinking of this method is because we only run circuit boards twice a week. I dont want to waste entire jar of paste bec

solder paste solvent

Electronics Forum | Wed Jan 30 15:10:09 EST 2013 | hegemon

Restoration of the fluxing properties? Can't see adding a liquid flux to a solder paste (assumed expired shelf life) in order to "restore" anything. If the volatiles in the original paste are gone, then adding more carriers and volatiles will not pr

solder paste printing

Electronics Forum | Fri Jan 28 09:05:35 EST 2011 | ldavis

Use tape and reeled solder preforms and place them where ever you need more solder volume.

solder paste stencil life

Electronics Forum | Mon Dec 17 09:38:27 EST 2012 | cyber_wolf

Why scrap paste if there is no degradation of performance? Do your own study to determine this.

solder paste mixing manually

Electronics Forum | Tue Jul 16 08:39:05 EDT 2013 | cyber_wolf

The screwdriver can scrape pieces of the plastic jar off and contaminate the paste if you aren't careful.

ideal solder paste viscosity

Electronics Forum | Thu May 14 08:17:00 EDT 2015 | emeto

I am pretty sure that will vary on the paste manufacturer. Using different amount and composition of flux will give you some different viscosity. I evaluated different solder paste brands before and I can tell you that some of them are very runny com

solder paste stencil life

Electronics Forum | Sat Dec 15 06:34:54 EST 2012 | sowmya

Normally paste manufacturer specifies stencil life of a paste is 10 hours. the question is, if i run a continuous manufacturing for 40 hours, we will be adding 250 g of paste for every two hours. The addition of 250 g will be mixed with the paste whi

solder paste measurement machine

Electronics Forum | Thu Apr 26 01:14:42 EDT 2007 | JJ

Hi all, We plan to buy solder paste height measurement machine. However, not sure which is the better one..2D or 3D? As far as I know,3D is quite slow and but more accurate in term of measurement result. Pls share with me if anyone who has this e

Tin/Silver solder paste fillets

Electronics Forum | Thu Feb 17 17:43:19 EST 2000 | Ryan Jennens

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