Electronics Forum: pin in paste (Page 9 of 104)

Solder paste in Syringe vs Jar

Electronics Forum | Wed Nov 06 10:17:45 EST 2002 | davef

In order from best, better, good * Lowest purchase price: cartridge, jar, syringe * Ease of inventory control: cartridge, jar, syringe * Flexibility of use: jar, syringe, cartridge * Ability to dispense by hand or machine: syringe * Cost to get paste

Solder paste in Syringe vs Jar

Electronics Forum | Thu Nov 07 04:24:24 EST 2002 | Yngwie

Thanks for the reply guys...It was much appreciated. On syringe or Cartridge - what about the impact of flux migration, there was a talk about, periodically we need to turn the cartridge or syringe upside down to ensure the metal content & flux are a

Tin Lead BGAs in leadfree paste

Electronics Forum | Tue Mar 07 14:23:21 EST 2006 | billyd

I think it has a whole lot to do with the heat applied, and the paste type. It was a seriously populated, very thick board, so we had to go big with the heat just to make 240-ish. That produced voids maybe 45 or 50% of the ball size. We knew immediat

PLCC LEADS not solder in SAC305 paste

Electronics Forum | Wed Jun 27 11:13:44 EDT 2012 | mosborne1

We are seeing PLCC socket leads not soldered in our SMT process. We are using a KIC thermal profiling device and we are on 50% greem light process window. All other solder joints on the board looks great. The solder flowed what looks like perfect on

PLCC LEADS not solder in SAC305 paste

Electronics Forum | Thu Jun 28 09:54:06 EDT 2012 | mosborne1

Dave, They rework fine. All solder joints on the whole board look great especially for lead free sac305. Here are the reflow specs: SAC305 no clean solder paste – Kester EM907 Kic thermal profiling device – 50%process window green light profile. • M

Rate for materials in solder paste

Electronics Forum | Fri Aug 08 13:00:41 EDT 2003 | davef

What do you mean? I'm sorry I don't understand. Please be specific or give more background.

Moisture absorption in the solder paste

Electronics Forum | Mon Nov 07 07:43:56 EST 2005 | pjc

No way I've ever heard to remove mositure from solderpaste. What is the R.H. in your factory? Are you in the tropics? Does you printer have an enclosed print area like on an automatic machine, or is it semi-automatic and exposed to the room air?

Moisture absorption in the solder paste

Electronics Forum | Tue Nov 08 20:51:41 EST 2005 | davef

Pete, the SF Bay Area gets very muggy this time of the year. Look here http://www.weather.com/weather/local/94110?lswe=94110&lwsa=WeatherLocalUndeclared&from=whatwhere

Moisture absorption in the solder paste

Electronics Forum | Wed Nov 09 22:03:33 EST 2005 | laxman

Hi Amol, We are in South part of India.basically we are basically EMS providercatering to the needs of our Overseas customer and partiallytodomestic market. We are also providing complete manufacturing solutions including cable harness, enclosure as

Tin Lead BGAs in leadfree paste

Electronics Forum | Tue Mar 07 20:48:59 EST 2006 | rbodmer

Craig. i spoke with a process engineer today and he told me that if you mix pb and non pb it may work but may cause premature failures if in a thermal cycleing environment. failure cause may be micro fractures.


pin in paste searches for Companies, Equipment, Machines, Suppliers & Information