Electronics Forum: ict test (Page 1 of 30)

ict nail for double sided reflow

Electronics Forum | Tue Jul 18 17:47:02 EDT 2000 | bluto

What kind of ict nail should we use when testing a board that does not go through wave solder? There is no dome shape for our nails to "bite" into, and we are having problems.

Re: ict nail for double sided reflow

Electronics Forum | Tue Jul 18 20:17:25 EDT 2000 | Dave F

Bluto: Either: * Give the springs in your probes some spinach ... OR * Print some paste onto your test pads Popeye

electrical test

Electronics Forum | Thu Jul 27 16:54:46 EDT 2006 | pjc

In-Circuit test, or ICT, is the most common method of electrical test for an assembled PCB. It is the most comprehensive and accurate method to ensure that both the PWB and components are working to specification. Not all components however can be el

AOI vs. electrical test

Electronics Forum | Wed Jan 04 12:48:34 EST 2006 | pjc

In-Circuit Test is the best method for ensuring solder joint connections. It is a much more reliable than AOI. An ICT machine can ensure solder connections are made for array package devices such as BGA, PGA, etc... AOI is best for component I.D.- is

BGA Pull test

Electronics Forum | Tue Oct 26 08:41:56 EDT 2004 | Bob R.

When we first got into BGAs on ENIG we were getting joint cracking at in-circuit test. The joints were breaking in the Sn-Ni intermetallic. We did a lot of pull testing while working with our board suppliers and our conclusion was that pull testing

AOI vs. electrical test

Electronics Forum | Wed Jan 04 09:05:53 EST 2006 | stepheniii

Your process makes a bigger difference. What I have seen is ICT done early is better than AOI done more than a half shift later, and AOI done early is better than ICT done more than a half shift later. For high mix/low volume, I would go with AOI whi

AOI vs. electrical test

Electronics Forum | Wed Jan 04 14:59:41 EST 2006 | AOI

I have used all of test and inspection techniques available out there: AOI, AXI, Flying Probe, ICT, and FCT. The reality is that they all have a place in manufacturing based on the type and complexity of product you bild, the industry it is intended

AOI vs. electrical test

Electronics Forum | Tue Jan 03 15:16:53 EST 2006 | Cmiller

In circuit testing is expensive up front because of the fixture cost but the tests are fast. AOI programs can be develpoed in less than a day but take longer to run. If you have good test coverage, in circuit would be a better choice in my opinion-if

via as test point

Electronics Forum | Mon Feb 26 20:02:42 EST 2001 | davef

First, I don�t understand why your board fabricator can�t do a good job plugging your vias. Additionally, when you consider that they forgot to plug the first batch of boards, it makes me wonder if they are desirable as a supplier. Generally, we us

piercing of test vias at ICT

Electronics Forum | Thu Nov 14 05:45:51 EST 2002 | Jon O'Connell

Has anyone had experiences of ICT test fixtures actually damaging the PCB boards - typically when they have moved away from HASL finish to OSP. I would also like to hear more about any specific issues seen at ICT for non HASL pcb finishes thanks -

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