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. 15, 2017
Filed:
May. 12, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Takayuki Yonemura, Suwa, JP;
Toshiki Hara, Suwa, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/058 (2006.01); H01L 37/02 (2006.01); G01J 5/12 (2006.01); G01J 5/34 (2006.01);
U.S. Cl.
CPC ...
H01L 37/025 (2013.01); G01J 5/12 (2013.01); G01J 5/34 (2013.01);
Abstract
A thermoelectric conversion element includes a first electrode on provided a substrate; a pyroelectric film that is provided on the first electrode, is formed of a composite oxide having an ABO-type perovskite structure, and generates a surface charge due to temperature change; and a second electrode provided on the pyroelectric film, in which the composite oxide which forms at least a portion of layer in the pyroelectric film contains at least Pb, Nb, and Ti, and is formed of tetragonal crystal which is oriented in the direction of {100} on the substrate.