Electronics Forum: law (Page 3 of 14)

Touch-up and Inspection Process

Electronics Forum | Sun Mar 06 17:39:15 EST 2005 | Darby

1st law of Surface Mount. You WILL run out of parts on the last board going through before a long weekend. 2nd law of Surface Mount. Touchies WILL touch. I'm with Russ and Rob. Touch up is EVIL and should only be tolerated in exceptional circumst

First documented case of tin whisker formation

Electronics Forum | Thu May 18 09:17:25 EDT 2006 | patrickbruneel

Stephen, In addition to your comments The bothersome part is that NO environmental impact assessment report commissioned by the EU on the environmental impact of lead in solders and its alternatives exist. The two environmental impact reports that

Extended CA RoHS Restrictions Terminated

Electronics Forum | Mon Nov 12 09:54:17 EST 2007 | lococost

Never though an American would know about our little country beeing without a gouvernement for half a year. In Belgium, this is how law making goes: 1. First think of a rediculous proposistion. 2. Make it a law and execute it 3. Find out that is red

RECERTIFICATION OF NOCLEAN FLUX

Electronics Forum | Thu May 30 11:30:05 EDT 2002 | Hussman69

I bet your vendor would take it back and replace it for free. Never hurts to ask. Otherwise toss and use fresh - why chance a career on it. Plus, Murphy's law says if you do use it, you will have unexplained anomalies that will force you to questi

China

Electronics Forum | Tue Mar 09 14:22:20 EST 2004 | Claude_Couture

Isn't this what they call "supply and demand" law? mucho demand + low supply = higher price? I never could understand it, but since nobody questions why the systems works this way, what is there to do?

# of Cycles

Electronics Forum | Sun May 22 23:26:38 EDT 2005 | thaqalain

The number of cycles shown on a scope for a given frequency is determined using 1-Sweep frequency 2-Volatge Scale 3-Ohm's Law

Problems with SN100C in a Soltec Delta C Wave

Electronics Forum | Mon Jun 12 10:34:06 EDT 2006 | cuculi54986@yahoo.com

My brother-in-law is a DDS and I trust him. We had some problems with solder voids in the past, and he was invaluable. He'd drill them out and fill them with SAC3240X+.

PbF solder paste with 63Sn/37Pb reflow profile

Electronics Forum | Tue Jan 23 16:53:45 EST 2007 | patrickbruneel

Can not be done without drastic alterations to the laws of physics Patrick

help needed

Electronics Forum | Mon Jan 29 07:44:53 EST 2007 | davef

On going from 24v to 18v, try: * Voltage regulator * Resistor divider * Transformer On not generating heat or loosing energy, the laws of physics already are pretty well fixed.

Extended CA RoHS Restrictions Terminated

Electronics Forum | Mon Nov 05 11:14:44 EST 2007 | patrickbruneel

Good one Dave, but isn�t it a good sign that nonsense are unlikely to be written into law in our country? Arnie was born in the EU and so am I but that doesn�t mean we�re ignorant. We just saw what we saw and moved on!!


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