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.:

US 9638578 B1

PDF
Full Text
Expired
Date of Patent:
May. 02, 2017

Filed:

Sep. 23, 2015
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventor:

Hiroto Tomioka, Chino, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/3581 (2014.01); G01J 3/42 (2006.01); G01J 5/34 (2006.01); G01J 5/08 (2006.01);
U.S. Cl.
CPC ...
G01J 3/42 (2013.01); G01J 5/0853 (2013.01); G01J 5/34 (2013.01); G01N 21/3581 (2013.01);
Abstract

A terahertz wave detecting device includes: a substrate; a first metal layer that is disposed above the substrate; a pyroelectric layer that is disposed on the first metal layer; and a second metal layer that is disposed on the pyroelectric layer, wherein the second metal layer has a periodic structure in which a unit structure is disposed in a predetermined period, and the pyroelectric layer absorbs terahertz waves being incident on the pyroelectric layer and converts the terahertz waves into heat and converts the converted heat into an electrical signal.


Find Patent Forward Citations

Tomioka, Hiroto. (2017). Terahertz wave detecting device, camera, imaging apparatus, and measuring apparatus (U.S. Patent No. 9638578). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9638578

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