Electronics Forum: stencil considerations (Page 1 of 8)

Re: non-metal stencil

Electronics Forum | Thu Sep 28 08:09:09 EDT 2000 | Bob Thieda

We ordered and used Kapton stencils from KJ marketing for several months. The operators felt setup was considerably easier. Service and delivery was excellent. Ultimatly we discovered that although the see-through nature of the stencil made initial

adhesif stencil printing

Electronics Forum | Fri Apr 02 05:06:49 EDT 2010 | atchoum

Hi, I'm looking for an adhesive which can be stencil printed, in order to assembled PET (top layer) with Glass (bottom layer) for resistive touch panel application. The adhesive should be deposited at the border of bottom &/or top layer. Do you know

Step stencil troubles

Electronics Forum | Fri Sep 17 09:55:16 EDT 2004 | soease

Hi russ, thanks for answers, I thought that playing with apertures was the solution if paste is able to lose from the screen with fine pitches. But I'll take in consideration all of your remarks for the next designs to be develloped.

Step stencil troubles

Electronics Forum | Fri Sep 17 09:31:17 EDT 2004 | russ

Step stencils are used but only when necessary. One reason to use one would be a PCB with 12 mil pitch and very large coils or something of that nature. The 12 mil pitch part would require a 4 mil thick stencil to ensure release while it would caus

interchangeable stencil frame systems

Electronics Forum | Fri May 04 18:55:49 EDT 2001 | johnthor

actually the "yellow lite" part of my posting was simply spoofing Dave's light up band-aid wrappers. But seriously (again) most high temperature Kapton polyimide film tapes, like 3M #92 and #1205, develop a considerable charge when unrolled or remov

Re: No-clean stencil apertures

Electronics Forum | Thu Aug 26 04:35:54 EDT 1999 | Wolfgang Busko

| | | Does anyone have any information on stencil aperture/pad ratios for noclean solder paste. In the past I have experienced severe solder ball problems when using the same size apertures from aqueous products as I do with the No-clean products.

Re: Mechanical stencil foil tensioning - CAUTION!

Electronics Forum | Fri Nov 19 22:31:30 EST 1999 | mark

Please be carefull handling these mechanical "foil only" systems. Many people have recieved serious cuts from the razor like foils. People to be concerned about include the reciever who takes it out of the box, the technician who has to mount it in a

Minimum tension to be maintained in SMT stencil - Any Standards

Electronics Forum | Tue Jan 21 06:53:05 EST 2020 | ameenullakhan

Dear Experts, Need your suggestion on the minimum tension to be maintained in the SMT stencil. Presently we are maintaining the 30 - 50 N/cm2 at the 4 corners of the stencil. And not considering the center of the stencil into consideration.. Is t

through hole reflow

Electronics Forum | Tue Oct 01 12:23:26 EDT 2002 | barryg

We are looking at possible doing a few through hole components on the smt line. Is this feasable? What types of components are diffucult to do this way? What stencil considerations are there? Anyone have any info on this subject?

Looking for good PIH reference material

Electronics Forum | Fri Jul 09 09:01:28 EDT 2004 | Richard

Could anybody recommend a good resource(course/book/website) related to Paste-in-hole? In particular, I'm interested in stencil design considerations. Thanks, Richard

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