Electronics Forum: probe and vias and damage (Page 1 of 1)

Via holes and Wave Solder

Electronics Forum | Tue Mar 07 08:48:55 EST 2006 | samir

Our ICT Guy here at my company loves to use lots of via holes as test points - via holes which are 0.040" diameter, and spaced at 0.004" edge to edge spacing! He doesn't like to tent the via's either, so I always battle via-to-via shorts at the wave

Via holes and Wave Solder

Electronics Forum | Tue Mar 07 21:35:16 EST 2006 | Cal Kolokoy

Samir, From experience, the only board test situation where tented via's have difficulty with contact is with a Flying Probe type tester. Otherwise, for traditional ICT, the force of the pogo pins, correct probe type, and fixture design should do th

ICT Question, Via holes and Probes

Electronics Forum | Fri Apr 27 10:55:54 EDT 2007 | Brett

Pete, is there a probe-style that will accomodate a via that's filled, but a little concave (inward) fillet? The ICT personnel complains about this scenario too. I'm not an ICT person, but I do know that there are pogo pins that have a crown (for t

ICT Question, Via holes and Probes

Electronics Forum | Fri Apr 27 08:44:08 EDT 2007 | Brett

For those of you who use via holes as test points, and the via holes must be filled at the wave, is it necessary to have a "dome" on every single test point, or is it sufficient to have the via "filled" with solder? The ICT preson here insists that

ICT Question, Via holes and Probes

Electronics Forum | Fri Apr 27 10:38:30 EDT 2007 | pjc

No dome needed. You should check what type probe you have. You can look here and consult with them: http://www.qualmaxamerica.com/qualmax/leeno/semi.asp?string=ICT

Micro Solder Balls and Vias bridging Issue

Electronics Forum | Mon Mar 02 23:48:22 EST 2015 | vb7007

Hi We are using Universal carrier for a 2 sided PCB, where the bottom side goes for hand solder the switches after wave. Our issue is, we are getting micro solder balls all over PCB bottom after wave, whereas we got numerous vias, which also turns

Processing questions - PCB and BGA's

Electronics Forum | Fri Jan 30 10:29:48 EST 2009 | petep

We have a potential new customer who has special PCB requirements. I do not know a lot of details at this point, but have several questions. One of their assemblies has within it , a MID, Solid foil layer, completely isolating one side of the PCB f

Foam fluxer maintenance, storage and cleaning

Electronics Forum | Mon Nov 09 09:44:22 EST 2015 | davef

Purpose. This describes setting-up a wave soldering system set-up for a new assembly design or checking a wave solder machine operation with a test board. Applicability. To be used for new design printed circuit assembles and during machine accept


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