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.
Patent No.:
Date of Patent:
Aug. 16, 1994
Filed:
Jun. 26, 1992
Mitsubishi Materials Corporation, Tokyo, JP;
Abstract
The present invention relates to a target unit including a basic body and a target layer mainly comprising Si alloy disposed on an outer peripheral surface of the basic body by a hard-facing method. A target unit in accordance with the present invention has an interposed layer between a basic body and a target layer, in which one side thereof is strongly attached to a peripheral surface of the basic body, while other side thereof is strongly attached to an inner surface of the target layer. Also, a method in accordance with the present invention comprises the steps of: preparing a basic body in the form of a cylinder; applying an interposed layer on a peripheral surface of said basic body by means of hard-facing; and further applying a target layer on a peripheral surface of said interposed layer by means of hard-facing.