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:
Nov. 25, 2025
Filed:
May. 09, 2022
Applicant:
Pixart Imaging Inc., Hsin-Chu County, TW;
Inventors:
Ming-Han Tsai, Hsin-Chu County, TW;
Chih-Fan Hu, Hsin-Chu County, TW;
Assignee:
PIXART IMAGING INC., Hsin-Chu County, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10N 19/00 (2023.01); G01J 5/12 (2006.01); G01J 5/14 (2006.01); H10N 10/01 (2023.01); H10N 10/13 (2023.01); H10N 10/851 (2023.01);
U.S. Cl.
CPC ...
H10N 19/00 (2023.02); G01J 5/14 (2013.01); H10N 10/01 (2023.02); H10N 10/13 (2023.02); G01J 2005/123 (2013.01); H10N 10/851 (2023.02); H10N 19/101 (2023.02);
Abstract
There is provided a far infrared (FIR) sensor device including a substrate, a thermopile structure and a heat absorption layer. The thermopile structure is arranged on the substrate. The heat absorption layer covers upon the thermopile structure, wherein the heat absorption layer has a hollow space which is formed by etching a metal layer in the heat absorption layer.