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Subject:
From:
Joe Fjelstad <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Wed, 3 Jun 2009 18:38:07 EDT
Content-Type:
text/plain
Parts/Attachments:
text/plain (172 lines)
:-)
 
 
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
>
>
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