Electronics Forum: lead-free solder paste (Page 434 of 808)

Placement of 32 pin QFN w/t ground pad

Electronics Forum | Wed Sep 30 13:10:49 EDT 2009 | spitkis2

Hi guys, Can someone please clarify whether adjustment of Z axis travel is a critical parameter during placement of QFN devices. If so, to within what tolerance? In other words, should a pick and place machine position a QFN down on the board so t

stencil tension measurement

Electronics Forum | Mon Aug 02 12:28:41 EDT 2010 | tselvan

to prevent solder paste printing defects

Solder Balls-No Clean Paste

Electronics Forum | Tue Aug 17 11:45:05 EDT 2010 | kjs123p

The best way that I have found is to use homeplating on my stencils.

BGA non wetting

Electronics Forum | Wed Sep 15 01:16:36 EDT 2010 | dan_ems

Hello, what type of solder paste use, and this component is made for lead process?

I need 15 - 25 microns (T5) Solder Paste

Electronics Forum | Thu Jan 06 15:51:58 EST 2011 | flipit

Indium has it.

VAPOR PHASE

Electronics Forum | Tue May 03 12:26:43 EDT 2011 | cyber_wolf

Your solder paste supplier can give you a recommended profile.

Equipment to measure stencil tension

Electronics Forum | Thu Jun 02 07:13:43 EDT 2011 | cyber_wolf

Things of this nature make us raise an eyebrow. Something along the lines of automatic solder paste mixers......

PCB Surface Cleaner

Electronics Forum | Mon Oct 31 17:01:54 EDT 2011 | kahrpr

What kind of flux/solder paste are you using water soluble or no clean

Setting limits in Solder Paste Inspection

Electronics Forum | Fri May 18 10:45:43 EDT 2012 | brotakul

Hello CAPSE, The link you posted is not available.

Setting limits in Solder Paste Inspection

Electronics Forum | Sat May 19 13:42:31 EDT 2012 | brotakul

Thank you, interesting reading.


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