Electronics Forum: stencil (Page 165 of 541)

Freshman in SMT industry needing advice

Electronics Forum | Thu Mar 04 12:34:48 EST 2004 | cyber_wolf

I know that many smaller companies clean their stencils the same way you do. If you get good results cleaning your stencils this way then I would say stick with the alcohol/wipe method. Take your stencil and put it under a microscope.If the aperture

Type 4 solder paste

Electronics Forum | Mon Apr 12 15:52:12 EDT 2004 | wgaffubar

I am using Indium 92J type 4 solder paste due to a BGA site with .008" pads and stencil opening of .009" square and .005" stencil thickness. When I try the type 3 we get insuffecient print. The aspect ratio tells me that I should be using a type 4. T

Type 4 solder paste

Electronics Forum | Mon Apr 12 16:03:40 EDT 2004 | swagner

Can you go to a .004" stencil?

Type 4 solder paste

Electronics Forum | Wed Apr 14 08:15:18 EDT 2004 | arcandspark

We have tried other stencils with different size openings but this company will not allow us time or money to run any experiments to define stencil criteria and printer settings, its just run, run, run. They really dont care about post reflow yields.

solder balls

Electronics Forum | Mon May 10 18:43:23 EDT 2004 | steve davis

Just curious what stencil company are you currently using? What style of aperture are you using for the componet?

Immersion Gold

Electronics Forum | Sun Jun 27 16:41:17 EDT 2004 | gmoms

Russ, What aperature reduction and stencil thickness are you running on 16 mil? Best Regards, Paul

Dek Squeegees

Electronics Forum | Fri Sep 17 10:14:05 EDT 2004 | davef

Consider asking your stencil fab house to make replacement squeeges for you.

PBGA overprint

Electronics Forum | Sun Oct 10 15:07:04 EDT 2004 | GIO

sorry..it s 40 mils...pitch,...but stencil aperture is square...ANY COMMENTS.. THANKS RUSS...

Stencil Tension

Electronics Forum | Wed Dec 08 03:29:35 EST 2004 | seeker

try http://www.protec.jp STG-series tension gauge

Stencil Cleaner Chemistries

Electronics Forum | Fri Nov 19 16:00:37 EST 2004 | brent.robinson@donnellye.com

Forgot to mention that we use Kester Easy Profile 256 No Clean solder paste on 98% of our products.


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