Electronics Forum: stencil (Page 265 of 540)


Electronics Forum | Tue Apr 01 19:21:25 EST 2003 | Myu

I'm a user changing over from WS-609 to WS-709. WS-709 has less voiding problem and longer stencil life than WS-609. Ws-709 has a less foaming during washing process. Thanks, Myu

0402 Adhesive Screen Printing

Electronics Forum | Tue Apr 01 18:21:48 EST 2003 | slthomas

I've never printed adhesive but I assume that aspect ratio still plays a part with release. Maybe that .006" is just to thick to get good release. Can you step your stencil down from .006" to .004" or .005" for the 0402's?

0402 Adhesive Screen Printing

Electronics Forum | Thu Apr 03 18:10:08 EST 2003 | Print Master

0402 Adhesive printing is possible with thicker stencils in order to allow mixed component technology. We have successfully printed 0402's with a 0.008" thick SS foil. Total material release is not achievable at this thickness, but not required u

Tombstone defect

Electronics Forum | Fri Sep 26 16:53:44 EDT 2003 | V_Sa

Yukim, I had experienced this problem with 0402 package. I resolved it 100% by reducing stencil thickness from 6 mils to 5 mils and changing the apetures from 1:1 to homebase.

looking for a distributor

Electronics Forum | Mon Jun 02 02:24:08 EDT 2003 | star7483

hello, everyone. splice tape and stencil clean wiper and various label, which cheap and top quality. if you have interest in reselling abroad, contact with me. name: rosy. email: star7483@163.com

BGA inspection scope - Visual

Electronics Forum | Thu Jun 19 19:27:33 EDT 2003 | Gary Miller

Mini Micro Stencil sells a mirror for $40.00. This thing is great and is made from metal so it won't break so easy. It is also only .008" thick. minimicrostencil.com

Stencil Aperture Aspect Ratio

Electronics Forum | Tue Jun 17 08:27:13 EDT 2003 | davef

Consider searching the fine SMTnet Archives for discussion, for instance: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=7065

Stencil Aperture Aspect Ratio

Electronics Forum | Mon Jun 30 19:52:39 EDT 2003 | Mark Coplan

If you would email me your aperature ratio on the excell spreadsheet I would be most grateful Thanks, Mark

Stencil Aperture Reduction - Need Feedback

Electronics Forum | Fri Jun 27 08:32:08 EDT 2003 | davef

You should be fine. A fifteen percent reduction of these pads will probably improve reliability, depending on spacing of course.

Printing On Aluminum

Electronics Forum | Wed Aug 20 09:23:34 EDT 2003 | caldon

Hi John- Maybe I am miss reading this but I can not see where a Screen instead of a stencil will benefit you. Is the thinking the screen is plyable enough to contour to the surface?

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