Electronics Forum: margin (Page 1 of 19)

New Margin

Electronics Forum | Tue Feb 03 20:02:02 EST 2004 | davef

Hey Neil, How long have we had the new left margin on SMTnet? It looks nice. I just used it to post this. [The "subject" is all there on the forum page, but the rotten mudda "wacked" part of the "subject" when viewing the thread.]

Thermal screening for marginal BGA joints

Electronics Forum | Fri Nov 02 19:02:28 EDT 2007 | yshiau

Hi experts, 1) Do you think a non-operating temperature cycling would do good for screening some marginal BGA joints? 2) If yes, what the exterm temperatures I should go? 3) Any particular profile that is suitable for my need? Thank you!!

Europlacer feeders and trolleys

Electronics Forum | Wed Dec 23 02:16:46 EST 2020 | davef

Used Equipment Mart [nav bar on the left margin of your screen] * SMTnet > Used Euipment Mart > RFQ [nav bar on the left margin of your screen]

New Margin

Electronics Forum | Wed Feb 04 11:17:58 EST 2004 | bdoyle

I like it too. Very clean and easy to use.

0402 Testing

Electronics Forum | Fri Jul 10 04:49:25 EDT 2009 | stepheniii

Make sure you understand there is a wide margin of measurement error when measureing some values of capacitors.

need 103H7570-7024 stepper motor

Electronics Forum | Mon Aug 10 13:16:04 EDT 2020 | davef

Try SMTnet Equipment Mart [nav bar on the left margin of this page]

Outsourcing costs

Electronics Forum | Tue Apr 05 15:54:55 EDT 2005 | cmiller

Every company does things different. Some use machine time, some per placement, some per placement by part type. It would depend on how the company is set up and how they allocate overhead and what problems they do or dont have with particular part t

Thermal screening for marginal BGA joints

Electronics Forum | Tue Nov 06 07:34:26 EST 2007 | scottp

I'm not sure what kind of marginal joint you're trying to identify, but when we went through a serious ball-in-cup problem a few years ago we tried hot & cold functional test as well as a day or two of -40/+125C thermal cycling and all were pretty po

Thermal screening for marginal BGA joints

Electronics Forum | Fri Nov 09 19:31:43 EST 2007 | yshiau

Thank you to Dave and Scott!! What I'm delaing with is mass production test for small memory cards in volume! The reason I choose Non-operating temperature cycling is so that I can deal with volume. I can throw in quite a few memory cards in chambe

Re: Liquid, Dispensable Solder Mask

Electronics Forum | Thu Mar 23 19:55:40 EST 2000 | Dave F

Sorry, we run a WS shop that doesn't have enough margin to affort to use no-clean. Good luck. Dave F

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