Electronics Forum: printing fiducial issue (Page 1 of 87)

fiducial

Electronics Forum | Mon Oct 25 08:16:46 EDT 2004 | mmjm_1099

This is what I have come across with some of the gerber datas. Most CAD/Gerbers don't carry the fiducials because some of my customers don't have them as a standard but when the board house gets it they are the ones adding the fiducials. So send in a

Dek printing issue

Electronics Forum | Wed Nov 05 18:24:11 EST 2014 | wbrenner

Thanks for the contact info . I have the DEK process eng coming in.

Dek printing issue

Electronics Forum | Mon Nov 10 09:59:01 EST 2014 | cyber_wolf

Dek Nano coating = Snake oil

Dek printing issue

Electronics Forum | Thu Jan 29 15:27:54 EST 2015 | markhoch

I agree with SWAG on this. Nano Coatings make a big difference on paste release. I found when placed on the topside of the stencil, it also helps to reduce stencil wear, though others complained that it affected the solder roll, so most stencil house

Dek printing issue

Electronics Forum | Fri Oct 31 14:09:07 EDT 2014 | wbrenner

Having a problem with a DEK printer. In the back to front motion, getting poor ramdom paste volume on micro BGA pads. Other BGA 1 mm pads are fine. The front to back motion is fine. Any throufghts on this directional issue. Ran ~200 panels no pr

Dek printing issue

Electronics Forum | Mon Nov 03 08:39:30 EST 2014 | emeto

Looks like you did everything right. Clean and check carefully the stencil for damage close to the part you are having problem with. If not both of your squeegees should be damaged on the same spot.

Dek printing issue

Electronics Forum | Mon Nov 03 12:58:07 EST 2014 | swag

Nano Protec. It really works. Our operators swear by it. Get a sample from DEK and give it a ride on that stencil.

Dek printing issue

Electronics Forum | Wed Nov 05 15:47:57 EST 2014 | pnguyvu

Hi Bill, Contact Steve Yen with USA STENCILS INC. He'll help you out. He might need to know stencil thickness and type of solder paste, his contact as below. Steve@usastencils.com 714-636-6211

Dek printing issue

Electronics Forum | Tue Jan 27 03:16:22 EST 2015 | nvn

Hi, I have same problem like this but i got the solution for my entire google search i hope you to follow this instructions from here. http://driverbasket.com/

Dek printing issue

Electronics Forum | Tue Jan 27 09:18:22 EST 2015 | swag

Agree to disagree on Nano Protec. Have you used it and studied the results? We do 3D inspection and clean our stencils in the UT wash on a regular basis. Volume is better and we have to clean on a much lesser frequency when using Nano Protec.

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