Electronics Forum: stencil (Page 303 of 540)

super fine pitch paste & dispensing questions

Electronics Forum | Mon Aug 16 13:38:35 EDT 2010 | rl

i would like to request some advice on manually dispensing paste for super fine pitch components. first some background. i am a small design house and specialize in sub-miniature prototypes for avionics. so far, i have mostly used stainless steel st

Solder Paste Type for QFN Printing

Electronics Forum | Wed Aug 25 15:02:04 EDT 2010 | spitkis2

I am printing solder paste directly onto a QFN device. Any recommendations on the type of solder paste to use? Namely I am concerned about getting a good release from the stencil. Thanks

Installation SMT SL2220 Printer

Electronics Forum | Wed Oct 13 05:26:54 EDT 2010 | Jack

Hi All Is here any1 can tell me how to get the installation guideline of Semi-Auto Stencil Printer,SMT brand SL 2220? Thanks in advance.

Using an air hose to clean stencils

Electronics Forum | Thu Nov 04 19:04:49 EDT 2010 | eadthem

It would depend on the solder paste but the stuff we use is heavy enough that it wont go airborne. and theres really no other way to clean the apertures on a 0402 or similar part.

Using an air hose to clean stencils

Electronics Forum | Fri Nov 12 17:06:07 EST 2010 | dwong

I would also be concerned about spreading solder paste on the walls/floor/equipment downstream of the air. This would then get transfered to hands, clothing and shoes. In turn, tracked out to the rest of the floor/building or even to the home of em

Best way to ensure max solder load on SOIC w Thermal Pad

Electronics Forum | Tue Nov 09 23:32:11 EST 2010 | bising

Stencils are 5mils thickness, SS material. Printer is Accela.

Changing Ni/Au finish to HASL lead free

Electronics Forum | Tue Dec 21 04:09:49 EST 2010 | johanhuizing

0.5 and 0.4 mm pitch, we think we could get problems with the solderpaste stencil. Also some board have keypads and then we have do do partial gold and I think that will not reduce the costs

BGA REFLOW

Electronics Forum | Wed Jan 12 03:39:00 EST 2011 | rpatel28364

Do you think it is because of too much solder. we have 5thou stencil and no reduction in aperture. Please reply

solder paste printing

Electronics Forum | Fri Jan 28 19:26:51 EST 2011 | jlawson

Milara has a combined Stencil printer + jet Printing ??? Print and then jet print areas not printed or top up prints.

PASTE DRYING OUT ON STENCIL

Electronics Forum | Thu Feb 10 09:42:42 EST 2011 | davef

Some solder paste formulations can be frozen with no effect. Other formulations ... not so much. Can you compare this questionable solder paste with 'known good' paste of this part number in a structured test?


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