US Patent 7431988 Hard coating and machining tool disposed with hard coating

Patent 7431988 was granted and assigned to OSG Corporation on October, 2008 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

OSG Corporation

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7431988

Date of Patent

October 7, 2008

Patent Application Number

11289546

Date Filed

November 30, 2005

Patent Citations Received

‌

US Patent 11711969 Organic electroluminescent materials and devices

Patent Primary Examiner

‌

Archene Turner

Patent abstract

A hard coating that is to be disposed on a surface of a body includes a diamond layer which includes a plurality of diamond grains and is doped with boron, and an outer layer which includes an intermetallic compound and is disposed on the diamond layer by a physical vapor deposition method.

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