Electronics Forum | Tue Aug 07 21:17:24 EDT 2001 | davef
This provides LT 3 misses /1M hits. * Probe all points on one side of the board. Bonus => This lower fixture cost. * Test pads and vias: GT 25 thou from other land traces. * Small [LT 5 ohm] resistor measurements: Use two pads at each end and do 4-
Electronics Forum | Mon May 06 12:20:09 EDT 2013 | davef
Gold in solder alloys can be brittle. We always used to talk about keeping gold LT 3% in order to avoid embrittlement. Some military contracts require removal of gold from soldered contacts. Adding gold to a solder alloy that you're familiar with wi
Electronics Forum | Fri Nov 05 09:52:44 EST 1999 | Dave F
John: Three things: 1 You are correctamundo!!!! What's the difference between slopping alcohol on dirty boards and washing dirty boards? Clean boards!!!! By the time those very nice people get done with their alcohol cleaning (a nip for the boar
Electronics Forum | Thu Feb 15 19:41:38 EST 2001 | davef
What do you mean by "But after performing temperature cycle test, the former aging rate (from the shear strength ) seems faster than the latter."? Comments are: I can't recall having heard the term "precipitation hardness" [not that that means anyt
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