Electronics Forum: 200x (Page 1 of 2)

board size

Electronics Forum | Fri Mar 27 06:16:24 EST 1998 | mancheol,seo

Hello everyone~! I wonder becasuse of stencil board size. My component dimension is 200 x 200mm What the board size I choose? Please let me know solution... best regards man from korea

Affordable Inspection Microscopes?

Electronics Forum | Tue Jan 15 16:50:44 EST 2008 | gregoryyork

Try Digitus - Microscope Camera with built in LED Lighting. Probably around 140 Dollars we just purchased three not tried mine yet but my reps like them and they go to 200X mag - incredible I think it is http://www.digitus.info thats what it says on

Selective Soldering - Barrel Fill

Electronics Forum | Fri Oct 15 11:03:50 EDT 2010 | hegemon

Well, we got the baking part right at least. I would think that would help to rule out the barrel cracks allowing moisture escape. Plating too thin makes sense to me. In any case, do you think barrel cracking would be observable on a bare PCB?

PCB label printing

Electronics Forum | Wed Oct 05 13:30:01 EDT 2011 | leemeyer

We are required by most of our customers to apply a serial # to the boards that we build. As the PC boards have been getting smaller and open areas on the board are getting scarce we have been forced into using smaller and smaller labels. I am lookin

Dirty Reflow oVens.

Electronics Forum | Tue Mar 04 08:15:37 EST 2008 | jola

Our profile tempatures in the owen is: Preheat 6 zoones 135,155,165,175,185,195. Peak 3 zoones 255,245,240. We do check our profiles with test probs and a "Surveier" temrature recorder every 3 month and we are within the paste supplyer recommendation

Glue dispenser recommendations

Electronics Forum | Wed Sep 25 08:50:24 EDT 2019 | uzbek

Hi, we are currently offering service assembly of the enclosures and electronics for our clients. Sometimes that includes gluing of the enclosures and for smaller quantities, we used 983A hand glue dispensers. Now we want to buy small automatic glue

Glass Wicking

Electronics Forum | Sat Nov 11 11:27:51 EST 2006 | Tom

Hi, "glass wicking failure" we don't know what this is, but we suspect that the reflow process could very well be the root cause for some of our pcba with micro vias failure. Micro vias pcb we know to well (we don't like them at all). There are No p

How to strengthen the ability of anti-interference in PCB design

Electronics Forum | Thu Nov 20 04:02:02 EST 2014 | hhat

PCB layout of the circuit components, to meet the requirements of anti interference design: 1* arranged for each functional circuit unit in accordance with the circuit flow position, the layout of the signal for circulation, and make the signal as m

bad connections, or not?

Electronics Forum | Fri Jan 19 12:17:57 EST 2001 | slthomas

Thanks Dave. Talked to a few people at APEX this week and if nothing else, had my frustration reduced some. Of course I made sure I talked to mfg. people and avoided the design guys like the plague. ;) I actually picked up a copy of 785 a while bac

Failure Analysis by External Lab

Electronics Forum | Thu Jul 24 03:33:30 EDT 2014 | edriansyah

Hi All.. I need your advice, when you send your boards to be analized by external lab, what kind of result would you expect from them? Do you expect them to find the root cause of the problem and give countermeasure of the problem? (this is what I e

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