The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 25, 2003

Filed:

Mar. 06, 2001
Applicant:
Inventor:

Frans Peter Lautzenhiser, Noblesville, IN (US);

Assignee:

Delphi Technologies, Inc., Troy, IN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/352 ;
U.S. Cl.
CPC ...
H01L 2/352 ;
Abstract

A multi-layer conductor system including: a base layer having an electrically insulative top portion including alumina; an electrically conductive intermediate layer formed on the top portion of the base layer; and an electrically conductive top layer formed on the intermediate layer; wherein the intermediate layer includes alumina and a precious metal alloy consisting of silver and a precious metal other than silver; wherein the top layer comprises a precious metal selected from the group consisting of silver and a silver alloy such that the difference between the percentage weight of silver in the precious metal of the top layer and the percentage weight of silver in the precious metal alloy of the intermediate layer is limited to thereby provide advantages in use.


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