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:
May. 10, 2016
Filed:
Aug. 08, 2013
Tosoh Corporation, Shunan-shi, Yamaguchi, JP;
Hideto Kuramochi, Ayase, JP;
Kimiaki Tamano, Ayase, JP;
Ryo Akiike, Ayase, JP;
Hitoshi Iigusa, Ayase, JP;
TOSOH CORPORATION, Yamaguchi, JP;
Abstract
To provide a composite oxide sintered body from which an oxide transparent conductive film having lower light absorption properties in a wide wavelength region and having a low resistance can be obtained, and an oxide transparent conductive film. A composite oxide sintered body containing indium, zirconium, hafnium and oxygen, wherein the atomic ratio of the elements constituting the sintered body satisfies the following formulae, where In, Zr and Hf are respectively contents of indium, zirconium and hafnium:Zr/(In+Zr+Hf)=0.05 to 4.5 at %Hf/(In+Zr+Hf)=0.0002 to 0.15 at %.