On Sunday 27 July 2008, Bob Paddock wrote: >On Sunday 27 July 2008 07:49:10 am gene wrote: >> have you guys seen the 'tin-whisker' problem with lead free solder? > >Note that these links are from 2006, but still give an interesting > background. > >http://www.greensupplyline.com/showArticle.jhtml?articleID=181401276 > >http://www.indium.com/blogs/Dr-Lasky-Blog/entry.php?id=444 >has some interesting things to say about this issue. >Like SWatch's billion dollar recall. > >Designing ultrahigh impedance circuits like Electrostatic meters, >or ultra low power circuits have always been problematic. >Lead Free isn't doing anything to make things easier. > >What I find most annoying is the comment in the above blog >that he considers five years "long term". See a previous >rant of mine on this issue: > >http://www.dragonsgate.net/pipermail/icc-avr/2002-October/000347.html > ><RANT ON> >I want my products to have a life of 10 to 20 *YEARS*, not 6 months. >I do my designing in the region of the country affectionately called "The > Rust Belt" by the Semiconductor people. >We do the unglamorous things like water and sewage treatment controls for >example. The infrastructures can't afford to "upgrade" every few months > just because some one wants to play PacMan on their Cell Phone. >Consider this: Which is more important to you: A) You can play PacMan on >your Cell Phone. B) When you flush it goes away and you don't have to think >about it. > <RANT OFF>
Excellent rant. S/B forced reading for the regulators. > >[Can anyone explain this grammatical anomaly that >the spelling checkers says "ultrahigh" is a correctly spelled >word, but "ultralow" is not?] Dunno, mine seems to have stopped working recently. -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) You can fool all the people all of the time if the advertising is right and the budget is big enough. -- Joseph E. Levine _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user