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:
Jun. 02, 2026
Filed:
Aug. 17, 2022
Applicant:
Nec Corporation, Tokyo, JP;
Inventors:
Akinobu Shibuya, Tokyo, JP;
Taizo Shibuya, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/547 (2006.01); C04B 35/64 (2006.01); C04B 38/00 (2006.01); C04B 38/02 (2006.01);
U.S. Cl.
CPC ...
C04B 35/547 (2013.01); C04B 35/64 (2013.01); C04B 38/0054 (2013.01); C04B 38/02 (2013.01); C04B 2235/3236 (2013.01); C04B 2235/442 (2013.01); C04B 2235/446 (2013.01); C04B 2235/666 (2013.01);
Abstract
Disclosed is a sintered body comprising (a) a matrix material comprising at least one selected from ZnS and ZnSe, (b) an oxide that is present in a form of islands in the matrix material, comprising at least one metal selected from the group consisting of Ca, Sr and Ba, and (c) pores that are present in a form of islands in the matrix material. The sintered body has sufficient strength and an infrared stealth effect in an infrared region such as a MWIR and LWIR region.