Electronics Forum: .bad (Page 4 of 247)

BAS32 diode broken

Electronics Forum | Wed Jan 26 07:37:08 EST 2000 | Mikel Rodriguez

Has anybody experience (bad) with BAS32 diodes (glass) broken?

Voiding in uBGA's w/blind uvia's in pads

Electronics Forum | Mon Nov 26 17:42:24 EST 2001 | davef

I agree. Voids in plating are bad news and baking will not change that.

Panelized boards

Electronics Forum | Thu Jan 24 10:48:16 EST 2002 | davef

x-acto's, umm bad news. Check the fine SMTnet Archives for background, score specifications, and discussion.

SMT process Blowhole/ Pinhole

Electronics Forum | Sun Mar 30 20:13:39 EST 2003 | iman

MK, this is a bad link, can help re-verify this link pls?

Novastar

Electronics Forum | Wed Feb 11 12:00:13 EST 2004 | Ventrista

Bad experience here too. You can do better than this for wave and reflow

Via in Pad Production

Electronics Forum | Wed Nov 10 16:07:10 EST 2004 | bobpan

dont do it......its bad voodoo.........nothing but trouble awaits.

SMT adhesive printing

Electronics Forum | Wed Dec 15 04:31:26 EST 2004 | huangfox

yes,it maybe lead to test failure,because solder joint is bad

Solder bath eruptions

Electronics Forum | Mon Mar 07 20:14:19 EST 2005 | KEN

It may not be a bad element. If the elements are not sequenced you will have this problem. It may be a machine design limitation.

Device Falloff

Electronics Forum | Mon Apr 04 05:14:33 EDT 2005 | zsolt

That's bad. But WHAT IS THE QUESTION ? :)

Solder paste to room temperature.

Electronics Forum | Tue Apr 19 09:13:49 EDT 2005 | bobpan

Try printing while the paste is cold.....you get nothing but bad prints!!!!


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