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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 11919793 B1

PDFFull Text
Date of Patent:
Mar. 05, 2024

Filed:

Jun. 03, 2021

Amorphous alloy, molding die, and method for forming optical element

Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Seiichi Hata, Yokohama, JP;

Satoko Midorikawa, Machida, JP;

Hirotaka Fukushima, Utsunomiya, JP;

Assignee:

CANON KABUSHIKI KAISHA, Tokyo, JP;

Attorney:

CANON U.S.A., INC. IP Division

Primary Examiner:

Queenie S Dehghan

Int. Cl.
CPC ...
C03B 11/08 (2006.01); C03B 40/00 (2006.01); C22C 5/04 (2006.01); C22C 27/02 (2006.01); C22C 30/00 (2006.01); C22C 45/00 (2023.01); C22C 45/10 (2006.01);
U.S. Cl.
CPC ...
C03B 11/086 (2013.01); C03B 40/00 (2013.01); C22C 5/04 (2013.01); C22C 27/02 (2013.01); C22C 30/00 (2013.01); C22C 45/00 (2013.01); C22C 45/10 (2013.01); C03B 2215/03 (2013.01); C03B 2215/12 (2013.01); C03B 2215/16 (2013.01); C03B 2215/31 (2013.01); C03B 2215/32 (2013.01); C03B 2215/34 (2013.01); Y02P 40/57 (2015.11);
Abstract

An amorphous alloy contains Ni and Nb and has a composition including at least one of: a composition containing Nb with a content in the range of 35.6 atomic % to 75.1 atomic %, Ir with a content in the range of 7.2 atomic % to 52.3 atomic %, and Ni with a content in the range of 4.0 atomic % to 48.5 atomic %; a composition containing Nb with a content in the range of 19.6 atomic % to 80.9 atomic %, Re with a content in the range of 7.4 atomic % to 59.2 atomic %, and Ni with a content in the range of 4.1 atomic % to 56.9 atomic %; and a composition containing Nb with a content in the range of 7.5 atomic % to 52.9 atomic %, W with a content in the range of 16.4 atomic % to 47.0 atomic %, and Ni with a content in the range of 22.0 atomic % to 53.3 atomic %.

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