Electronics Forum: stencil (Page 309 of 540)

Aperture shape for DPAK

Electronics Forum | Mon Sep 23 09:55:12 EDT 2013 | emeto

Hi, just for the package you have you will see 20 different designs for the ground pad. Some will be 1:1 with the part some will be 3 times bigger than the part ground contact. I would always print according to the part and will always do a windowpa

Paste printing fine pitch components

Electronics Forum | Mon Oct 14 14:11:39 EDT 2013 | island2013

Yes, I agree with Evtimov. It's more about aperature reduction and type than it is the type of machine. Aspect and and Area Ratio are very important. Take a look at this page I found on the internet http://www.qualiecocircuits.co.nz/stencil-techno

Paste printing fine pitch components

Electronics Forum | Fri Oct 18 09:27:53 EDT 2013 | dontfeedphils

I believe it's mostly worn off through cleaning solvents and the slight abrasion during the under stencil cleaning process. I couldn't say whether or not it's ever in a state that would allow it to transfer to the PCB though.

solder paste height standard

Electronics Forum | Tue Jan 07 23:38:08 EST 2014 | m_imtiaz

want to know the tolerance the paste height in the solder paste printing. for example if stencil thickness is 7 mil, what will the acceptance level of paste height ( upper and lower) kindly share if any guidelines or formula for the same

stepped stencils

Electronics Forum | Thu Feb 27 19:07:53 EST 2014 | padawanlinuxero

I dont know if this helps but we do a 10-board-cleaning after 10 prints or cycles we stop and with lint free towels with alcohol and a air gun we clean it, you should clean one side then the other. Hope it helps

stepped stencils

Electronics Forum | Thu Feb 27 23:50:09 EST 2014 | ilatintj

I would like to speak with you. In many cases with our new COBRA 3.0....we have been able to help eliminate Steps 1-3 mils....would this be of support to you? Pls email me jv@interlatin.com.mx

stepped stencils

Electronics Forum | Thu Mar 13 09:29:29 EDT 2014 | emeto

Why don't you try to make your step on the squeegee side? that way you shouldn't have any issues with cleaning.

Looking for equipment

Electronics Forum | Tue Feb 25 09:09:53 EST 2014 | alpha1

Rob, If you're still looking, please note that we can help you with pre-production line and process set up. Everything from paste selection, stencil ordering, pick and place programming and reflow recipe.

SMT Equipment Service

Electronics Forum | Thu Feb 20 23:07:24 EST 2014 | georgevargas

any companies in USA , preferably on East Coast that service SMT equipment , stencil printer, pick and place, reflow oven

Step Stencils

Electronics Forum | Wed Aug 06 22:36:27 EDT 2014 | padawanlinuxero

Not an expert, so bear with me, but I think that depends on how much components are in the vicinity of the pads you want to step. Hope this pdf helps Cheers!


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