Electronics Forum: mouth (Page 3 of 8)

Tear Down

Electronics Forum | Mon Aug 13 22:30:16 EDT 2001 | davef

When I was a kid, I used to go down to Mel's Gas Station on Dalton Avenue and get busted carborators and things like that from Mel. I'd take them home and take them apart. One time I was field stripping a carb, trying to remove a screw, but it was

SPC on SMT

Electronics Forum | Fri Nov 23 03:40:09 EST 2001 | ianchan

Hi All, agree 100% on product characteristics SPC, and do find process indicators such as paste Volume, useful to monitor via SPC, the printing process, as printing constitutes "70% cases of SMT defects". We juz purchased a 2nd hand CyberOptics 3D

Solder Paste Printed Volume

Electronics Forum | Sun Nov 25 22:54:20 EST 2001 | ianchan

Hi All, We juz purchased a 2nd hand CyberOptics 3D paste inspection machine (what a mouthful...) and am seeking info : 1) what formulae is applicable, to calculate the deposited solder paste volume onto the pre-defined PCB pads? 1.a) from our obse

piercing of test vias at ICT

Electronics Forum | Fri Nov 15 15:02:37 EST 2002 | MA/NY DDave

OK I know it is funny to have two different PWB/PCB processes, one for pre production and one post production yet it is possible if controlled and implemented in a strategy. In debug if your company's experience has been for a repeated need to do IC

Reflow profile verification ??!!!

Electronics Forum | Fri Jan 13 16:00:07 EST 2006 | DannyJ

Sr. Tech, First, thank you for the great laugh! Second, I always go for that 'deer caught in headlights look' that they get when you start asking your questions. As a caveat, I have learned to slow down when they start drooling out of one side of

Is Our Blood Leaded Or Unleaded?

Electronics Forum | Fri May 09 12:08:19 EDT 2008 | sliebl

Last year I had my doctor do a lead test during one of my regular blood tests. My exposure at work is similar to most of you, I'm sure. I've been doing this for 13 years now. We do predominantly leaded solder processing through SMT and wave. I wash m

No such thing as a Compact Reflow Oven?

Electronics Forum | Wed Mar 28 12:24:57 EDT 2018 | reckless

https://www.ebay.com/itm/Juki-KE-760-SMT-PICK-AND-PLACE-MACHINE/282894334640?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649 Not sure if a Juki 760 is worth $7300 shipped with feeders, MTC, etc. I saw a video of it running and it looked

Double Sided Reflow - Low Melting Point Solders

Electronics Forum | Wed Apr 05 22:33:57 EDT 2006 | darby

Awww, come on guys, I should never have mentioned beer and fish. Lucky I didn't mention Elle. OK, forget the points and questions 1, (probably correct there Stephen) and 5. Any comments on questions 2, 3 and 4? This bloke's been stranded on an Isla

Re: Cigerette Smoke Contamination of PCA's

Electronics Forum | Mon Feb 14 21:28:22 EST 2000 | Dave F

Tobacco smoke is made up of "sidestream smoke" from the burning tip of the cigarette and "mainstream smoke" from the filter or mouth end. Tobacco smoke contains thousands of different chemicals which are released into the air as particles and gases.

No clean flux residue

Electronics Forum | Fri Jun 01 16:22:35 EDT 2001 | davef

Your supplier�s approach to managing process change is TOTALLY UNACCEPTABLE!!!! Now, let me get the froth back in my mouth. How in the world do we know if the residues on these "no-clean" boards are compatible with your product? J-STD-001C, para 4


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