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:
Apr. 21, 2025
Filed:
Mar. 12, 2022
Applicant:
Lite-on Singapore Pte. Ltd., Singapore, SG;
Inventor:
Rui-Tao Zheng, Singapore, SG;
Assignee:
LITE-ON SINGAPORE PTE. LTD., Singapore, SG;
Primary Examiner:
Int. Cl.
CPC ...
G01J 3/12 (2005.12); G01J 3/02 (2005.12); G01J 3/10 (2005.12); G01J 3/36 (2005.12); G01J 3/45 (2005.12); G02B 5/28 (2005.12);
U.S. Cl.
CPC ...
G01J 3/12 (2012.12); G01J 3/0256 (2012.12); G01J 3/10 (2012.12); G01J 3/36 (2012.12); G01J 3/45 (2012.12); G02B 5/285 (2012.12); G01J 2003/102 (2012.12); G01J 2003/1226 (2012.12);
Abstract
A filter and a miniature spectrum measuring device are provided. The filter includes a plurality of film structures. Each of the film structures includes an H-type structural film, an L-type structural film, and a cavity film disposed between the H-type structural film and the L-type structural film.