Electronics Forum: paste (Page 1 of 989)

solder paste

Electronics Forum | Thu Dec 10 09:06:47 EST 2009 | stepheniii

Just how cold do you store your paste? And what are your solder paste reps like? Here they fall over each other giving support for their paste. And have you seen the problem with flux separation or have you only heard about it?

paste quality

Electronics Forum | Tue Feb 11 09:01:54 EST 2014 | emeto

You should get your paste in ice(dry ice). Then you should keep it in a fridge. Many pastes now have 1month shelf life(after you take it out of the fridge). If you follow all the above, you might be having: 1. Lot problem - try different lots of you

solder paste

Electronics Forum | Tue Dec 08 08:52:42 EST 2009 | cunningham

How do people prepare there solder paste for screen print? We currently remove them from the fridge and mix them in a 500g solder paste tub mixer to mix the flux and paste together we waste to much paste at the moment as we only use the tub for 1

paste quality

Electronics Forum | Tue Feb 11 12:44:32 EST 2014 | cyber_wolf

Jigo, We have never had a need to do internal testing on solder paste, and your paste supplier should be able to tell you what the correct operating temperature range is. All of the big names in solder paste have tight quality control and I suspect t

solder paste

Electronics Forum | Mon Dec 14 18:45:08 EST 2009 | gregoryyork

why not use a paste where it requires no refrigeration at all cheers Greg

solder paste

Electronics Forum | Tue Dec 15 00:09:26 EST 2009 | isd_jwendell

Which paste are you referring to?

paste quality

Electronics Forum | Mon Feb 10 14:34:56 EST 2014 | jigo91

Hi, I wanted to know how can we test our paste quality, as viscosity, temperature in which it is delivered to the SMT line and other variables that can affect our paste dispense or soldering. Our concerns are that paste quality may be causing solde

paste quality

Electronics Forum | Tue Feb 11 09:47:53 EST 2014 | spoiltforchoice

Perhaps a photo of the faults you are encountering might shed some light on the issue. I would think it would take some extremely poor paste handling or paste for the paste itself to be the root cause of what you seem to be describing. I would be inc

solder paste

Electronics Forum | Fri Jul 29 10:03:02 EDT 2011 | blnorman

At a previous location we used the Semco cartridges. Occasionally the operator would have to scrape down the stencil and knead the paste back in. That would keep the paste on the edges from drying out. It was just standard procedure.

solder paste

Electronics Forum | Wed Jul 27 09:58:05 EDT 2011 | davef

Pressure printing systems Conventional stencil printing techniques have fundamental limitations as regards paste handling: The volume of paste available for printing is limited, so frequent replenishment is necessary Paste is difficult to c

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