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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 12449577 B1

PDFFull Text
Date of Patent:
Oct. 21, 2025

Filed:

Nov. 28, 2022

Broadband infrared absorber based on epsilon-near-zero material

Applicant:

Anhui University, Hefei, CN;

Inventors:

Ming Fang, Hefei, CN;

Chenran Liu, Hefei, CN;

Meijun Kang, Hefei, CN;

Ke Xu, Hefei, CN;

Jian Feng, Hefei, CN;

Zhicheng Xiao, Hefei, CN;

Rongsheng Cheng, Hefei, CN;

Xingchen Liu, Hefei, CN;

Zhixiang Huang, Hefei, CN;

Assignee:

Anhui University, Anhui, CN;

Attorneys:

Tony Hom

TONY C HOM

Primary Examiner:

Balram T Parbadia

Int. Cl.
CPC ...
G02B 5/20 (2006.01);
U.S. Cl.
CPC ...
G02B 5/208 (2013.01);
Abstract

Described is a broadband near infrared absorber, including a wide-type cross-shaped gold layer, an indium tin oxide (ITO) thin film, a silicon dioxide (SiO) layer and a hollowed-out cross-shaped gold layer arranged from top to bottom. A length of the cross-shaped gold layer is the same as a length of the hollowed-out cross-shaped gold layer. A width of the cross-shaped gold layer is the same as a width of the hollowed-out cross-shaped gold layer. A thickness of the cross-shaped gold layer is different from a thickness of the hollowed-out cross-shaped gold layer.

Find Patent Forward Citations

Fang, Ming. (2025). Broadband infrared absorber based on epsilon-near-zero material (U.S. Patent No. 12449577). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12449577

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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