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. 10, 2016

Filed:

Jun. 27, 2011
Applicants:

Masaya Ehira, Hyogo, JP;

Akira Nambu, Hyogo, JP;

Shigeo Kashiwai, Hyogo, JP;

Masafumi Fukuzumi, Hyogo, JP;

Inventors:

Masaya Ehira, Hyogo, JP;

Akira Nambu, Hyogo, JP;

Shigeo Kashiwai, Hyogo, JP;

Masafumi Fukuzumi, Hyogo, JP;

Assignees:

KOBELCO RESEARCH INSTITUTE, INC., Kobe-shi, JP;

HYOGO PREFECTURE, Kobe-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 19/00 (2006.01); B22F 9/08 (2006.01); C23C 14/14 (2006.01); C04B 35/547 (2006.01); C04B 35/626 (2006.01); C04B 35/645 (2006.01); C22C 1/04 (2006.01); C22C 9/00 (2006.01); C22C 28/00 (2006.01); C23C 14/06 (2006.01); C23C 14/34 (2006.01); C22C 30/00 (2006.01); C22C 30/02 (2006.01);
U.S. Cl.
CPC ...
C23C 14/14 (2013.01); C01B 19/002 (2013.01); C04B 35/547 (2013.01); C04B 35/62655 (2013.01); C04B 35/645 (2013.01); C22C 1/0491 (2013.01); C22C 9/00 (2013.01); C22C 28/00 (2013.01); C22C 30/00 (2013.01); C22C 30/02 (2013.01); C23C 14/0623 (2013.01); C23C 14/3414 (2013.01); C01P 2002/72 (2013.01); C01P 2002/85 (2013.01); C01P 2004/61 (2013.01); C04B 2235/40 (2013.01); C04B 2235/407 (2013.01); C04B 2235/446 (2013.01); C04B 2235/656 (2013.01); C04B 2235/77 (2013.01);
Abstract

The present invention provides a Cu—In—Ga—Se powder containing Cu, In, Ga and Se in which cracks do not occur during sintering or processing, and a sintered body and sputtering target, each using the same. The present invention relates to a powder containing Cu, In Ga and Se, which contains a Cu—In—Ga—Se compound and/or a Cu—In—Se compound in an amount of 60 mass % or more in total. The powder of the present invention preferably contains an In—Se compound in an amount of 20 mass % or less and/or a Cu—In compound in an amount of 20 mass % or less.


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