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:
Oct. 26, 2021
Filed:
Apr. 24, 2017
Applicant:
Nippon Electric Glass Co., Ltd., Otsu, JP;
Inventors:
Yoshimasa Matsushita, Otsu, JP;
Fumio Sato, Otsu, JP;
Assignee:
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B 23/00 (2006.01); C03B 19/06 (2006.01); C03C 4/10 (2006.01); C03B 19/02 (2006.01); G02B 1/00 (2006.01); C03B 11/00 (2006.01); C03C 3/32 (2006.01); G02B 3/00 (2006.01);
U.S. Cl.
CPC ...
C03B 23/0013 (2013.01); C03B 11/00 (2013.01); C03B 19/02 (2013.01); C03B 19/06 (2013.01); C03C 3/32 (2013.01); C03C 3/321 (2013.01); C03C 3/323 (2013.01); C03C 4/10 (2013.01); G02B 1/00 (2013.01); C03B 2201/86 (2013.01); C03B 2215/46 (2013.01); G02B 3/00 (2013.01);
Abstract
Provided is a method for manufacturing an infrared-transmissive lens having an excellent surface quality. A method for manufacturing an infrared-transmissive lens includes firing a preform of a chalcogenide glass in an inert gas atmosphere to obtain a fired body and then subjecting the fired body to hot press molding.