"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
>
>
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