Electronics Forum: no solder fillets (Page 2 of 66)

Connector PAD no solder

Electronics Forum | Wed Jun 28 00:37:05 EDT 2006 | YQ Deng

Dear Davef, Please told me your Email address, then I send the photos to you. Thanks!

Connector PAD no solder

Electronics Forum | Wed Jun 28 07:44:25 EDT 2006 | davef

YQ Deng: Just click on my name next to the Lou Reed likeness in this posting.

Connector PAD no solder

Electronics Forum | Tue Jun 27 08:29:34 EDT 2006 | davef

It sounds like a board issue. With the current site software, you can not attach pix. You need to post the pix on another site [eg, imageshack, villagephotos, etc] and then post the link here. Or if only a couple of folk are interested, just email

A.O.I - no salesman pitch pls

Electronics Forum | Wed Jun 11 09:58:35 EDT 2003 | swagner

Solder fillet inspection is something that I would avoid like SARS, solder joints are like a snowflake no two are the same, henceforth unrepeatability. The only time I would look into this would be for uBGA or flipchip on an audit basis utilizing X-

A.O.I - no salesman pitch pls

Electronics Forum | Tue Jun 10 20:31:55 EDT 2003 | iman

In a perfect world, the machines would be maint."guys" for the automation machines. Think "closed loop" system. Anyway, getting back to our reality job, we are still game for automation to improve thru'put, quality, reduce problems. The focus here

A.O.I - no salesman pitch pls

Electronics Forum | Mon Jun 09 03:03:26 EDT 2003 | iman

With mounting interest in the "Automated Optical Inspection" thread revolving around SMTnet, was wondering from a end-user point of view, does anyone have recommended configuration AOI machine to recomend for purchase? what were the key benefits o

A.O.I - no salesman pitch pls

Electronics Forum | Wed Jul 16 18:08:11 EDT 2003 | mgershenson

OK, disclaimer; I'm a salesguy, but I was a process engineer for quite a lot longer than I've been in sales. Your question is very vague, and may be difficult to answer. There are many ways to configure AOI to inspect solder, but as has been pointed

Touch or no touch-up

Electronics Forum | Fri Feb 11 09:44:01 EST 2005 | pjc

A touched-up solder joint is never as reliable as one soldered correctly by machine. Touching up adds more heat thereby increasing the thickness of the intermetalic bond. Our goal is to have the thinest intermetalic bond in our solder joints. The int

Cleanning no clean residu

Electronics Forum | Mon Oct 22 15:41:39 EDT 2007 | davef

Bruno The real question about your troop using Kester 951 wave solder flux on boards is: how is the flux applied and controlled. See, when you apply this flux with your wave solder fluxer, it is ideally applied in a metered fashion with your fluxer

no contact on BGA

Electronics Forum | Tue Jun 26 16:43:19 EDT 2001 | CPI

Yes a 6 mil solder deposite will reduce to approx 50% of it's original size. Does this happen on only 1 BGA? Is the BGA that its happening on have smaller balls than the others, what I'm getting to is, are you sure you are depositing the proper amo


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