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Subject:	Re: DIP Lead Frame Base material Fe Ni Cr
From:	R Sedlak <[log in to unmask]>
Reply To:	TechNet E-Mail Forum <[log in to unmask]>, R Sedlak <[log in to unmask]>
Date:	Fri, 1 Oct 2004 17:11:29 -0700
Content-Type:	text/plain
Parts/Attachments:	text/plain (39 lines)

This material sounds much more like 300 series stainless steel than Kovar, or Alloy 42, and it is quite difficult to clean prior to plating, so, I would not be surprised if you saw some dewetting during soldering.

Rudy Sedlak
RD Chemical Company

"Victor G. Hernandez" <[log in to unmask]> wrote:
Fellow TechNetters,

Can someone share their experience using an Fe Ni Cr lead frame base
metal? This base material is used without a nickel barrier alloy prior
to lead plating. What type of failures could be expected?

Victor,

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