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:
Nov. 12, 2024
Filed:
Aug. 20, 2021
Applicant:
Fujikura Ltd., Tokyo, JP;
Inventor:
Yuichiro Kunai, Tokyo, JP;
Assignee:
Fujikura Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/0045 (2006.01); G11B 7/0033 (2006.01); G11B 7/1353 (2012.01); G11B 7/1367 (2012.01); G11B 7/24035 (2013.01);
U.S. Cl.
CPC ...
G11B 7/00454 (2013.01); G11B 7/0033 (2013.01); G11B 7/1353 (2013.01); G11B 7/1367 (2013.01); G11B 7/24035 (2013.01);
Abstract
An optical memory includes a support and nanoparticles, each of which changes between a crystal phase and an amorphous phase when irradiated with light. The nanoparticles are supported by the support and spaced apart from each other in one or both of an in-plane direction of a face of the support and a direction normal to the face of the support.