:-) In a message dated 6/3/2009 2:26:44 P.M. Pacific Daylight Time, [log in to unmask] writes: "If it's not Boeing. I'm not going." Of course I grew up in the Pacific NW so must admit that's mostly a regional pride thing. :-) At 02:10 PM 6/3/2009, Joe Fjelstad wrote: >Hi Bob, > >I recall several folks making such comments over time on this forum an >elsewhere. I have personally attempted refrained from making sweeping >statements but I know folks out there with very strong opinions. I >like flying on >Boeing planes because I once worked for Boeing and know the quality of the >plane and the evaluation systems (in general) but I fly Airbus when that is >the equipment being used knowing that I am not going to live forever, nor >am I going to live in blind fear either. > >I note that Doug added a comment that is important. The military and >aerospace are exempt but the suppliers of the component they use are not and >they are not interested in carrying two inventories for part numbers. > >There has been much discussion about the compatibility (or lack thereof) >of tin-lead and lead-free. Werner has mentioned how trying to solve the >problem by reballing may well be taking reliability in the opposite >direction >due to the additional high temperature thermal cycles. And tin whiskers? I >note that there are new conferences that are focusing on this topic. The >list goes on... > >It is a thorny problem that seems not to have any clean resolution, save, >perhaps, a return to the sanity of science based decision making relative to > electronics manufacturing rather than hasty emotional, poorly thought out >reasons from self serving politicians. > >So it goes... > >Best wishes >Joe > > >In a message dated 6/3/2009 10:56:34 A.M. Pacific Daylight Time, >[log in to unmask] writes: > >Joe, several years ago, at PCB West, I attended a session which I >believe was a panel discussion on RoHS topics. A comment was made at >that time about the new Airbus being certified as lead-free and one of >the panel members made the observation that as long as that was the >case, he'd never get on board an Airbus. You were on that panel, and I >was just curious if you remember that. > > >Bob > >-----Original Message----- >From: TechNet [mailto:[log in to unmask]] On Behalf Of Joe Fjelstad >Sent: Wednesday, June 03, 2009 12:38 PM >To: [log in to unmask] >Subject: Re: [TN] Test > >Thanks Steve > > >This was both sad event and very sobering. > > >I recall hearing a few years back of data being presented indicating >that shock and vibration resistance goes down for lead-free solders >over time with use. > >Has this been repeated, verified or seen by anyone else? > >Joe > > >**************Shop Inspiron, Studio and XPS Laptops at Dell.com >(http://pr.atwola.com/promoclk/100126575x1222616459x1201464730/aol?redir >=http:%2F%2Fad.d >oubleclick.net%2Fclk%3B215218145%3B37264238%3Bd) > >--------------------------------------------------- >Technet Mail List provided as a service by IPC using LISTSERV 15.0 To >unsubscribe, send a message to [log in to unmask] with following text in >the BODY (NOT the subject 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