Electronics Forum: passes (Page 5 of 150)

Multiple reflows

Electronics Forum | Thu Jan 31 13:02:01 EST 2013 | dontfeedphils

Are you talking about double sided reflow or just multiple passes for one side? If you're running multiple passes for one side, why?

Fuji GL-V

Electronics Forum | Sat Feb 19 06:56:56 EST 2022 | nikevoo1

Glue dispenser Fuji GL-V should have PASS and PRODUCT mods. But the PRODUCT mode its gone. There is only PASS mode and we cant change it. I tryed to replace the CPU board but the problem stayed. Any ideas?

Lead Lift in QFP

Electronics Forum | Fri May 05 03:20:06 EDT 2023 | abhishek10

Yes everything is Yes,IT was passed on tester as well . i Doubt some intermenternt contact was available at the time but still it got passed.

If npm1 mounting not there...PCB directly need to go to NPM 2..how to do program setting??

Electronics Forum | Tue Apr 16 20:38:03 EDT 2024 | digitalshovel

when in assign mode, set npm1 as pass. The condition set will make it pass through to npm2

Stencil Printing: Single pass vs. Double pass

Electronics Forum | Wed Dec 19 15:32:03 EST 2007 | slthomas

"Any risks associated with double pass stencil printing?" Mostly just too much paste, plus the associated bridging, and your stencil gets dirty quickly. Any gap between the stencil and the board gets filled with paste on the first pass, then migrate

PLCC's on IP3

Electronics Forum | Thu Apr 22 01:47:28 EDT 1999 | Larry Johnson

Recently, we have been having problems with PLCC's passing vision on our IP's If the part is set up to be placed on Head 2, it will not always pass vision. However, if we move it over to Head 1, it will pass and place just fine. Now, I do realize

Re: PLCC's on IP3

Electronics Forum | Wed Apr 28 00:58:22 EDT 1999 | Will B. Caught

| Recently, we have been having problems with PLCC's passing vision on our IP's If the part is set up to be placed on Head 2, it will not always pass vision. However, if we move it over to Head 1, it will pass and place just fine. Now, I do realiz

Wavesoldering Defect

Electronics Forum | Tue Sep 14 03:14:52 EDT 2004 | Adam

Hi Has anyone see a defect,where after one pass over the wave, pins on conectors seem to have a tenancy to have a mimimum solder fillet on the bottom-side of the board. There seems to be no trend, It could range from half a dozen to two dozen from b

Pcb immersion tin thickness

Electronics Forum | Mon Aug 07 09:04:09 EDT 2006 | molos21

Hi everyone, I am starting to use the lead free process and I had a few wetting problems (solder did not reach top side) at the wave soldering process once the pcb had passed our smt line (one heat pass). From what I understand, I have had a problem

QFN Recognotion Problem

Electronics Forum | Tue Apr 03 05:20:42 EDT 2007 | Haris

HI I think it is matter of light which is throwing by ur Machine camera, Decrese its light level and then try i believe it may works, because camera only recognises its leads/pins as it reflects back & not the other things, or choose the ODD CHIP/ I


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