Beware the ides of nickel. If exposed, as Kovar or Invar, solderability is
the traditional issue.

Earl Moon
----- Original Message -----
From: Severson, Scott M. <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, August 17, 1999 8:50 AM
Subject: [TN] Cu/Ni Alloy?


> Hi All,
>
> We have some SMT LED's that were exhibiting solderability problems and
> investigation with the SEM/EDS revealed that the base metal is composed of
a
> copper alloy that contains about 10% nickel.  Does anybody have any
> experience with this material?  Do they require higher reflow temperatures
> similar to Alloy 42?
>
> Any information would be appreciated.
>
> Thanks
> Scott
>
>
****************************************************************************
> *************************
> Scott M. Severson
> QA/FA Lab Manager                                            "Space and
Time
>                                                               are not
> conditions in which we live,
> Benchmark Electronics Inc.                         but modes in which we
> think."
> 4155 Theurer Blvd.
> Winona, MN 55987
> ---Albert Einstein
> (507)452-8932
>
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