Electronics Forum: stem (Page 1 of 3)

Open joints

Electronics Forum | Wed Oct 03 17:52:37 EDT 2001 | mparker

I hate it when that happens. Usually I just buy a better brand of papers. Zig Zag works best. Of course, you gotta remove the stems and seeds, those are the most recurring sources that cause an open joint.

Ekra E5 cleaner dispenser problem

Electronics Forum | Fri Jan 03 00:22:02 EST 2003 | Steve

We have an Ekra E5 that uses what looks like standard auto valve stems to dispense the cleaning fluid. They leak.. Are they just standard schrader valves or are special to withstand the chemistry of stencil cleaner?

Dross produced, are we in or out?

Electronics Forum | Tue May 24 09:07:14 EDT 2005 | Rob

Hey, If it's an imaginary friend it's a very well informed one! Perhaps this propensity to disturbance stems from a childhood experience of yours? Were you deserted by your imaginary friend?

Excessive Solder

Electronics Forum | Fri May 27 06:59:08 EDT 2005 | Rob

A bad solder joint, usually caused by a lack of knowledge & experience, possibly stemming from getting everyone else to do your home work!

Re: Conversion to no-clean solder paste

Electronics Forum | Tue Jan 25 15:13:34 EST 2000 | Dave H

Kris, Weigh very carefully the above caveat with regard to IPA. I would ask for documentation to substantiate this claim, which likely stems from a desire to sell "his" chemistry, while "slamming" competition. I'll be happy to run some tests for you

Steaming boards

Electronics Forum | Tue Apr 22 13:05:01 EDT 2003 | Mr. B

I am curious on some opinions on cleaning of boards. We have a board wash but after the wash we still need to stem them for better cleaniness. The timed steaming is prox. 2 mins a side and by the way this is a medical board. So if you got and suggest

Swatch Group Granted Lead Exemption?????

Electronics Forum | Wed Apr 18 15:14:16 EDT 2007 | flipit

Patrick, I knew Swatch applied for an exemption but was it granted? This is where I am confused. 1) Lead in finishes of components with pitch of 0.65 (650 microns) or less is exempt. Is this correct? Did this stem from Swatch? 2) This is for co

Conformal Coating

Electronics Forum | Fri Nov 04 13:04:36 EDT 2011 | austinpeterman

I have come to the realization that the root of all of our coating issues stem from one source. We are unable to control the viscosity of our coating. I am ignorant on the subject. Is there a proven method to consistantly produce the identical vis

Ekra E5 cleaner dispenser problem

Electronics Forum | Fri Jan 03 10:55:57 EST 2003 | slthomas

I'm not sure what you mean by "standard auto valve stem". Ours use EFD pumps to dispense fluid. I think there used to be a sort of a drip system that attempted to wet the entire length of the paper all at once but have never seen one. Which system

Machine data for SPC?

Electronics Forum | Fri May 27 04:34:17 EDT 2005 | Rob

Can you not track placement accuracy/feeder performance/print performance just via the AOI in near real time? Once you get a feel for it you can usually tell where the fails stem from, and at most you are only usually around 10 minutes out depending

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