Dave,



Are you saying that Pb in the overmold wouldn't be that surprising? :-)



Vladimir

SENTEC

11 Canadian Road, Unit 7.

Scarborough, ON M1R 5G1

Tel: (416) 899-1882

Fax: (905) 882-8812

www.sentec.ca





-----Original Message-----

From: "David D. Hillman" <[log in to unmask]>



Date:         Thu, 26 Feb 2009 11:23:37 

To: <[log in to unmask]>

Subject: Re: [TN] Weird one - bismuth in overmold





Hi Bev - hey, Bismuth and Lead shell lines overlap each other in the 

0-10kV range but are distinctly separate in the 10-20kV range. Which range 

did you use? Could you have a case of mistaken identity?



Dave Hillman

Rockwell Collins

[log in to unmask]









Bev Christian <[log in to unmask]> 

Sent by: TechNet <[log in to unmask]>

02/26/2009 09:51 AM

Please respond to

TechNet E-Mail Forum <[log in to unmask]>; Please respond to

Bev Christian <[log in to unmask]>





To

[log in to unmask]

cc



Subject

[TN] Weird one - bismuth in overmold













TechNetters,

In checking a component for one thing or another we found via SEM/EDX

particles of bismuth in the overmold.  Smaller amounts of bromine were

also found in the same spots but the largest signal by far was due to

Bi.  I have never seen or heard of such a thing before.  Can anyone shed

any light on this before I go to the component vendor?

Bev

RIM



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