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TechNet E-Mail Forum <[log in to unmask]>, Inge <[log in to unmask]>
Date:
Tue, 9 Feb 2010 14:27:41 -0800
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Werner,
what is your opinion about P-rich SnPb IMCs, how strong and reliable are BGA 
solder joints which suffer from this disease?

Inge



----- Original Message ----- 
From: "Werner Engelmaier" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, February 26, 2010 12:30 PM
Subject: Re: [TN] IMC


With alloys like these, who needs IMCs?
Werner (TGIF)








-----Original Message-----
From: Ian Hanna <[log in to unmask]>
To: [log in to unmask]
Sent: Fri, Feb 26, 2010 2:56 pm
Subject: Re: [TN] IMC


NATO Alloys?


-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Inge
Sent: Tuesday, February 09, 2010 3:36 PM
To: [log in to unmask]
Subject: Re: [TN] IMC

Werner,
what intermedals are formed in Vancouver? USA and Germany > US32/D26 and
finally D38/US33?
/Inge
  ----- Original Message ----- 
  From: Werner Engelmaier
  To: [log in to unmask] ; [log in to unmask]
  Sent: Friday, February 26, 2010 10:46 AM
  Subject: Re: [TN] IMC


  Hi Inge,
  No, they form some nice crystalline plateletts, just like AgSn and
AuSn-IMCs and just like them lead to solder embrittlement in sufficient
concentration. I will be publishing a column on it in Global SMT &
Packaging in about May or June.
  Werner







  -----Original Message-----
  From: Inge <[log in to unmask]>
  To: Werner Engelmaier <[log in to unmask]>; [log in to unmask]
  Sent: Fri, Feb 26, 2010 1:36 pm
  Subject: Re: [TN] IMC


  Hi, did not know of Tin/Palladium IMC. Thought they formed an alloy.
  /Inge

  -------------------------------------------------- 
  From: "Werner Engelmaier" <[log in to unmask]>
  Sent: den 26 February 2010 07:50
  To: <[log in to unmask]>
  Subject: [TN] IMC

  > Hi all,
  > What are the intermetallic compounds formed between Sn and Pd?
  > Werner
  >
  >
  >
  >
  >
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