Electronics Forum: sorter good bad (Page 1 of 103)

bad connections, or not?

Electronics Forum | Fri Jan 12 16:35:00 EST 2001 | Steve Thomas

I've got a question: Can a joint look good externally, even under 45X magnification, and not be mechanically and/or electrically sound? I thought that if the wetting angles were sufficient, there's no discoloration from extreme thermal distress, or

bad connections, or not?

Electronics Forum | Mon Jan 15 14:25:54 EST 2001 | davef

Let me make several points on this issue � POINT 1: Let�s be basic � Soldering and welding are examples of process that the quality types call "special processes". Special process. The results of special processes cannot be verified fully by subs

Burr Brown ICs bad solderability

Electronics Forum | Mon Dec 01 13:17:43 EST 2008 | realchunks

Jandon, what is wrong with the picture you posted? Looks good to me? The first pix Wewilldoit posted were kinda scetchy except for the one with the bent up lead. It's not the toe fillets people - it's the heel fillets you have to look at.

Re: bad connections, or not?

Electronics Forum | Fri Jan 19 12:26:16 EST 2001 | slthomas

Frankly I have no clue about whether or not the parts are good because our receiving inspection team is equipped with nothing more than a couple of caliper sets and a partial gauge pin set. There ARE things I miss about the medical instruments busin

a hot tip for bad boards

Electronics Forum | Thu Apr 11 10:17:17 EDT 2013 | ericrr

Some times the PCB manufacture sends PCB panels with bad circuits, there are three ways to make these PCB without placing parts on the bad circuit, Well two in fact plus my method. (1) Placing a light mark on a dark background (or reverse) then the

The formflex is bad in dek infinity m/c

Electronics Forum | Wed Sep 12 08:22:52 EDT 2001 | pr

Last I heard DEK was coming out with a new Revision of Form Flex to address some of the problems seen on the old revs. You should contact Dek and see if they will replace your old ones with the new rev. When ot works it's a great tool.

Is test vias a good idea??

Electronics Forum | Mon Jan 31 06:58:27 EST 2005 | Martina

Ciao, i want an opinion: in my factory any people says that it's possible, without problems, to test the vias with the probe! Any suggestion? Any problem if you know? Thanks! Sorry for my bad english, i'm italian! Bye!

Is it good or is it bad?

Electronics Forum | Thu Jul 10 22:34:34 EDT 2008 | davef

We wouldn't get our underware in a knot about poor wetting on a lead that is not connected to the board. IPC standards seen to say that the inspector should use common sense in interpreting standards requirements. Then again, it's not all that common

Is it good or is it bad?

Electronics Forum | Fri Jul 11 11:22:38 EDT 2008 | ck_the_flip

But why not find the cause so later when that lead is used you know how to fix it. Working hard at not working is what's wrong with the world today.

Looking for a good SMT entry Machine

Electronics Forum | Wed Feb 06 06:58:28 EST 2013 | cyber_wolf

I have been in this business for over 20 years and have dealt with used equip sales during that time. Never heard of PFI. Not saying anything bad....just saying never heard of them. I would ask PFI for a reference list of contacts they have sold use

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