Electronics Forum: pin in paste (Page 7 of 104)

Solder paste supply in Catridge Vs Jar

Electronics Forum | Mon May 14 17:10:34 EDT 2001 | davef

It's pretty straight forward: Cartridges require a bigger inventory investment and a dispensor, but improve paste handling and mixing.

Solder paste in Syringe vs Jar

Electronics Forum | Tue Nov 05 20:14:40 EST 2002 | yngwie

What is the advantage an disadvantage of using the Syringe vs Jar, for Solder paste supply media. Anybody with an input will be much appreciated. TQ

Solder paste in Syringe vs Jar

Electronics Forum | Wed Nov 06 09:01:59 EST 2002 | russ

Syringes seem to keep the paste fresher longer since there is less exposure to air than a jar. It is also nice to be able to just squeeze the trigger on a gun instead of using a spatula in my opinion. Russ

Moisture absorption in the solder paste

Electronics Forum | Wed Nov 09 07:46:58 EST 2005 | chunks

Hi Herb, Lexman, try a different paste to eliminate that question mark. Unless you're stuck with Kester, it's worth a couple hours of your time. I know of a couple SMT plants that run 40% to 50% humidity without any problems.

Tin Lead BGAs in leadfree paste

Electronics Forum | Tue Mar 07 12:06:56 EST 2006 | billyd

muse- I agree with you. You should never mix chemistries if you don't absolutely have to. If you HAVE to, you can go with a lead free BGA with leaded paste with much fewer defects than the other way around.

Solder paste supply in Catridge Vs Jar

Electronics Forum | Mon May 14 17:16:27 EDT 2001 | slthomas

We use both, cartridges for water soluble and jars for no clean. The only reason we do is so they can't possibly (knocking on my head) mix it up. Pros: Jar - you can put paste back into it if you want to wash your stencil, change jobs after lunch,

Moisture absorption in the solder paste

Electronics Forum | Tue Nov 08 20:58:49 EST 2005 | davef

We buy humidity as a potential cause of solder balls, but we're not biting on dewetting. Something else is causing that. Questions are: * What's the temperature and RH of your SMT production area? * What kind of paste are you using? [Some water was

Moisture absorption in the solder paste

Electronics Forum | Wed Nov 09 02:24:49 EST 2005 | laxman

Hi Dave, Normally in our country (India) during rainy season the temperature will be 25to 30 �C and RH of 50 to 60%. The reason behind this humidity issue is that recently we have moved to our new facility with centralised air conditioner with Chill

Lead free components in 62/36/2 paste prob.

Electronics Forum | Mon Nov 21 01:10:27 EST 2005 | mskler

We are facing the problem of dry soldering in chip capacitor 0603. When we told the Vender then he just told that we are using solder paste with 62/36/2 combination & the components are lead free so there is prob. of dry soldering. While we are usin

Tin Lead BGAs in leadfree paste

Electronics Forum | Tue Mar 07 14:18:32 EST 2006 | James

Billy, I have to disagree with you. We inadvertently soldered a Pb BGA with SAC305 paste and then had it micro sectioned and spectrum analyzed. Imagine our surprise when we saw the spectrum analysis showed Pb. The micro sections showed none to ac


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