Electronics Forum: engineer and npi (Page 7 of 21)

New Pick and Place Operation

Electronics Forum | Mon Jan 09 18:51:05 EST 2006 | grantp

Hi, I have used both MYDATA TP9, MY9 and more recently MY12. MYDATA machines are just not accurate, and we did everything possible, and every kind of upgrade they had. We ended up putting in Fuji XP based machines, and the differences are very notic

Re: Geometric Dimensioning and Tolerancing

Electronics Forum | Sun Jun 07 02:06:26 EDT 1998 | Earl Moon

| Earl, | As always, I am interested in what you have to say, but I am still a little vague on your application of ANSI Y14.5 as it relates to the manufacturability of an assembled printed circuit board. Are you implying that component placement coor

Adhesive Spray for testing and trim P&P

Electronics Forum | Mon May 14 09:35:21 EDT 2018 | directx995

Hello everyone, A few days ago I design one special kind of PCB for testing accuracy of our Pick and Place machines. (for trimming, calibrating, NPI etc.) I am looking for adhesive spray, to apply it on PCB (at the moment I'm using double sided tape

Cracking Capacitors and Solder Balls

Electronics Forum | Mon Jun 08 14:19:30 EDT 1998 | Gary Simbulan

Earl, et al, Boy things get old and cold around here fast. I promised more detail on my capactior problem and I thought I could drop something completely different in the same message and tell a tale of solder balls. First the caps. We still have

Pick and Place vs CAD File

Electronics Forum | Sat Sep 23 21:52:51 EDT 2017 | jlawson

In most cases PnP files are all that is needed for SMT program generation. BUT, it depends on origin reference of this data as exported to PnP and could be off in X,Y and rotation of image pending when PnP Data is exported. Also Rotation of parts

Test process and test product engineer...

Electronics Forum | Mon Dec 18 01:25:47 EST 2006 | seety1981

test engineer and product engineer... Hi all, Sorry if this topic is not suitable to be in this forum.. anyway,... i would like to know what the different of the jobs scope between the Test Process and Test Product engineer in semiconductor manufac

Pick and Place vs CAD File

Electronics Forum | Fri Oct 06 06:59:00 EDT 2017 | spoiltforchoice

I agree, in Essemtec's case all they needed to to make that 100% friendlier was let the layout visualiser be able to read and display some gerber data (paste and overlay). Otherwise the offline solution is to hold up a blank board/printout to verify

0402 pad and stencil aperture design

Electronics Forum | Thu Oct 30 15:36:18 EDT 2008 | grantp

Hi, Sounds like your engineer does not know what he's doing. We have developed and built hundreds of thousands of boards with normal square pads for 0402, and we just use a 5 thou stencil with 5% reduction and it works well. Decoupling? What is tha

and you think youve got it hard

Electronics Forum | Wed Jul 05 11:21:33 EDT 2006 | samir

At my 2nd company, I had a design EE come down, look at his product running down the line, looks at the reflow oven... He scoffs sarcastically...and then says, "What the hells so hard about this...you're just running it through an oven." Process an

and you think youve got it hard

Electronics Forum | Wed Jul 05 11:44:04 EDT 2006 | Rob

We had one mechanical engineer from a certain customer telling us we had to crop components leads so they didn't protrude through the board, as they could then come in contact with the case as the board was flush. Had I have known then what I know


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