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:
May. 04, 2010

Filed:

Jun. 29, 2006
Applicant:

Kiyoshi Yokoyama, Kirishima, JP;

Inventor:

Kiyoshi Yokoyama, Kirishima, JP;

Assignee:

Kyocera Corporation, Kyoto, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/306 (2006.01); H01L 21/302 (2006.01);
U.S. Cl.
CPC ...
Abstract

A bonded body consisting of a ceramic member and a metal composite member of which bonding layer is less likely to be eroded by plasma is provided. The bonded body comprises the ceramic member that has two opposing main surfaces with a first metal layer provided on one of the main surfaces, the metal composite member that has two opposing main surfaces with a second metal layer provided on one of the main surfaces, and a brazing material layer that joins the first metal layer and the second metal layer, wherein the brazing material layer has an outer circumferential surface that has a depression formed therein at middle position in the direction of thickness thereof, with the depression having width at least one third the thickness of the brazing material layer.


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