Electronics Forum: examiner (Page 1 of 17)

Agilent SJ50 AOI Presence examination

Electronics Forum | Sat Dec 12 04:47:58 EST 2009 | nkohler

Hello, Somebody would be able to tell it to me, which ones the important differences between the presence examination manners (Classic, ColourMVC, Voting...)? Thanks for your help! Regards, nkohler

Affordable Inspection Microscopes?

Electronics Forum | Tue Jan 15 15:53:14 EST 2008 | jmelson

I only build my own products, so it has to meet my needs for QA only. I am doing some 20 mil lead pitch (0.5mm) and will soon be doing a 0.4 mm pitch part. I have more magnification on my microscopes (40X) but almost never need to go that high. If

Thermo couple attachment

Electronics Forum | Mon Mar 21 20:29:57 EST 2005 | KEN

Let's examine some scenarios: What if... ...No solder sample available and you must profile a "live" board (rules out epoxy). ...Lead free build (rules out lead bearing alloys)

Component failure analysis

Electronics Forum | Tue Jul 19 17:48:16 EDT 2005 | saragorcos

One step is to examine the cleanliness on and around the failing component. There could be an ionic contaminant causing the shorts. Regards, Sara Gorcos www.residues.com

PCB pad contamination

Electronics Forum | Thu Aug 30 09:49:32 EDT 2007 | blnorman

EDS @ 10kV maybe going too deep. I've talked to a surface science physicist that recommends Auger spectroscopy because it's more of a true "surface" examination tool.

Conformal Coating Coverage on Side of IC

Electronics Forum | Mon Sep 21 20:45:55 EDT 2009 | davef

10.4. Pre-Cure Examination. Immediately after material application, the uncured conformal coating shall be examined for: a. Bubbles and Air Entrapments. These defects shall be broken by vacuum, with a sharp probe, or other appropriate tools. b. Bridg

QUAD 4C mk2 Z axis

Electronics Forum | Sun Feb 10 15:14:25 EST 2013 | marcelorotofrance

After an in depth examination, I found that the problem was not a defective connector as I thought in the first place. Actually is a broken through-hole on the Quad Align sensor. I requested a spare part to PPM. Mr. Bobpan, thank you again.

85K grant. How best to use?

Electronics Forum | Fri Jun 03 14:12:09 EDT 2016 | emeto

That looks like a good plan. It will give you the options to examine your product and perform some repairs and/or changes if needed. As a design house you will appreciate that. Good luck!

Waves soldering: not enough solder remaining on pads

Electronics Forum | Wed Aug 09 09:29:09 EDT 2017 | edhare

I recommend examining the problem pads and a representative bare board using SEM/EDS to determine if the problem is related to a board solderability issue. I can support this type of analysis (www.semlab.com).

Immersion Silver Issues

Electronics Forum | Wed Aug 09 09:18:41 EDT 2017 | edhare

I would recommend that you have some of the subject vias micro-sectioned and examined in a SEM to determine exactly what is the nature of the problem. I can support this type of analysis (www.semlab.com).

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