Electronics Forum: about (Page 326 of 1194)

Paste accumulation on the squeegee side with a 15mils to 5mils Step stencil

Electronics Forum | Mon Aug 19 13:47:45 EDT 2019 | emeto

Forget about a stencil here. The only solution I have for you is to dispense this paste. There are some super cool Jet printers out there that will do the job.

What should be the ideal Purity level of incoming Nitrogen for SMT

Electronics Forum | Thu Aug 15 21:16:46 EDT 2019 | ameenullakhan

Hi Thanks, I am concern about Raw nitrogen purity level. When we receive it in our compony from a supplier. Regards, Ameen

Cracked MLCC's

Electronics Forum | Fri Aug 16 13:49:48 EDT 2019 | slthomas

Thanks Ed. I guess about all we can do is hope that the extreme nature of the flaw equals a higher degree of early detection. So far we haven't replaced any of these on RMA's so I guess that's a good sign.

LED Display Trimmer

Electronics Forum | Tue Sep 10 16:03:34 EDT 2019 | slthomas

If you are talking about a DIP package Hepco (www.hepcoblue.com) is advertised on this site for lead forming equipment (they do have a DIP trimmer) and Bomir can be found elsewhere.

Butt connector

Electronics Forum | Tue Oct 15 09:52:38 EDT 2019 | SMTA-Davandran

I seeing connector with butt (I) lead drop off after drop test conducted. the current shear force is about 3kgf. How can this problem improved.

Siplace SX line time synchronisation

Electronics Forum | Wed Oct 30 13:43:17 EDT 2019 | emeto

This should be fixed by someone who has access to Windows on these machines - probably ASM engineer. You are right to be worried about traceability. Also changing this time might lead to much more issues underneath, so don't just change it before ask

pcba cleaning

Electronics Forum | Mon Nov 04 07:27:33 EST 2019 | amitthepcbguy

There are multiple methods where you can perform top and bottom reflow soldering simultaneously. With this method, you might not worry about the type of flux there is. Each part is covered and baked as per the requirement, while making sure there are

Magazine loader/unloader & magazines

Electronics Forum | Fri Nov 08 21:49:54 EST 2019 | elsey1987

hi How about this type? 630*530*570mm with 50slots How many pcs you may need

IC Solder Voiding

Electronics Forum | Tue Nov 26 09:07:16 EST 2019 | scotceltic

I am more worried about those voids also instead of the voids in the thermal pads. I still can't find any IPC spec that calls out a min. void percentage other than on BGA packages.

Do you allow manufacturer changes to your PCB design?

Electronics Forum | Mon Dec 02 20:05:25 EST 2019 | crystal12

personally, I do allow. usually, they will do some design for manufacturability change. this cannot be avoided. I have read an interesting article talking about this question, maybe you can check: http://www.starivergroup.com/News/info.aspx?itemid=10


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