Electronics Forum: stencil and design (Page 51 of 167)

Selective soldering pallets and solder balls

Electronics Forum | Mon Dec 02 13:16:31 EST 2002 | kenBliss

Hi Steve The people who will have the answer is the experts at EMC Global Technologies. They know their stuff, they are the leader in the solder pallet industry. They design and build them to work right. http://www.emcgti.com for contact info. Hop

0201 Land Pattern and Aperture Shape Design

Electronics Forum | Thu Mar 10 07:11:56 EST 2005 | py (france)

Hi, see below.. http://www.omnigraph.com/index1.html?content=/subpages/review.html

Touch-up and inspection of visual defects

Electronics Forum | Wed Apr 27 11:43:32 EDT 2005 | patrickbruneel

Hi Daan, What we did in the time was pareto analyses on all board designs to determine the critical areas (mainly design errors) and only inspect those specific problem areas. Every batch had a copy of the PC board with problem areas marked and only

Need opinion about KE740 and KE760 !

Electronics Forum | Tue Jan 03 15:33:26 EST 2006 | pjc

Yes Rick, you are correct, Zevatech HBA, PPM7 & PPM9 were all designed and built by Swiss. That was a long long time ago.

No-clean flux and high freq. applications?

Electronics Forum | Wed Feb 07 23:30:13 EST 2007 | KEN

I have a customer who runs A-D applications with 5GHz analog and it is 100% no clean. The only answer that will be acceptable is what works for your circuit design.

SMT Design: Package distance and stand-off height

Electronics Forum | Fri Nov 14 07:32:24 EST 2008 | davef

Yes, courtyard gives you the space requirement of a component. Sometimes, the working space of a rework tool takes precidence, though.

smt common pad 0402 and 1206 package

Electronics Forum | Fri May 06 08:47:05 EDT 2016 | davef

You're correct. This design will have a record amount of 0402 rework for tombstoning and misalignments. Suggest that the pads on each end of all components be the same size in order to balance wetting forces during reflow.

smt common pad 0402 and 1206 package

Electronics Forum | Mon May 09 09:23:45 EDT 2016 | markhoch

I agree with the previous two replies. This is a perfect design....if you're trying to create a graveyard full of tombstones.

Pick and Place vs CAD File

Electronics Forum | Thu Sep 21 11:30:29 EDT 2017 | emeto

Pick and Place file is a plain text file that usually contains the placement coordinates together with package type and ref designators. CAD file contains all the information about the assembly - PCB and components/packages both text and graphical re

Wanted book. PCB Design and Technology (Bosshart)

Electronics Forum | Wed Feb 24 12:12:29 EST 2021 | kumarb

Found some stock in India https://www.amazon.in/Printed-Circuit-Boards-Walter-Bosshart/dp/0074515497


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