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:
Feb. 24, 2026
Filed:
Apr. 07, 2022
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Shunsuke Murakami, Tokyo, JP;
Yasushi Shimizu, Kanagawa, JP;
Nobuhiro Yasui, Kanagawa, JP;
Kanako Oshima, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B 1/00 (2006.01); B33Y 10/00 (2015.01); B33Y 40/20 (2020.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01); C04B 35/00 (2006.01); C04B 35/16 (2006.01); C04B 35/64 (2006.01); C04B 35/653 (2006.01); B32B 18/00 (2006.01); B33Y 40/00 (2020.01); C04B 41/00 (2006.01); C04B 41/87 (2006.01);
U.S. Cl.
CPC ...
B28B 1/001 (2013.01); B33Y 10/00 (2014.12); B33Y 40/20 (2020.01); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12); C04B 35/16 (2013.01); C04B 35/64 (2013.01); C04B 35/653 (2013.01); B28B 1/00 (2013.01); B32B 18/00 (2013.01); B33Y 40/00 (2014.12); C04B 35/00 (2013.01); C04B 41/00 (2013.01); C04B 41/009 (2013.01); C04B 41/87 (2013.01); C04B 2235/5409 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/5445 (2013.01);
Abstract
(i) a step of disposing a powder that includes an absorber absorbing light of a wavelength included in a laser beam to be irradiated and silicon dioxide as a main component; (ii) a step of sintering or melting and solidifying the powder by irradiating the powder with a laser beam; and (iii) a step of heat-treating a shaped object formed by repeating the steps (i) and (ii) at 1470° C. or more and less than 1730° C.