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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 11318536 B1

PDFFull Text
Date of Patent:
May. 03, 2022

Filed:

Feb. 26, 2020

Additive manufacturing apparatus and additive manufacturing method

Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventors:

Tomoko Nishino, Yokohama, JP;

Naotada Okada, Yokohama, JP;

Assignee:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Rebecca Janssen

Int. Cl.
CPC ...
B22F 10/20 (2021.01); B29C 67/00 (2017.01); B29C 64/153 (2017.01); G01N 29/04 (2006.01); B33Y 10/00 (2015.01); B33Y 50/02 (2015.01); G01N 21/17 (2006.01); G01N 29/24 (2006.01); B29C 64/386 (2017.01); B33Y 30/00 (2015.01); G01B 11/24 (2006.01); B22F 10/30 (2021.01); B29K 105/00 (2006.01);
U.S. Cl.
CPC ...
B22F 10/20 (2021.01); B29C 64/153 (2017.08); B29C 64/386 (2017.08); B29C 67/00 (2013.01); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 50/02 (2014.12); G01B 11/2441 (2013.01); G01N 21/1702 (2013.01); G01N 21/1717 (2013.01); G01N 29/043 (2013.01); G01N 29/2418 (2013.01); B22F 10/30 (2021.01); B29K 2105/251 (2013.01); G01N 2021/1706 (2013.01); G01N 2291/0289 (2013.01); G01N 2291/267 (2013.01); G01N 2291/2698 (2013.01); Y02P 10/25 (2015.11);
Abstract

An additive manufacturing apparatus according to one embodiment includes a manufacturing unit, an elastic wave generation unit, an elastic wave detection unit, and an inspection unit. The manufacturing unit sequentially stacks a layer formed by emitting a first energy beam to a material and solidifying the material. The elastic wave generation unit emits a second energy beam to a manufactured object including the layer and generates an elastic wave propagating in the manufactured object. The elastic wave detection unit detects the elastic wave. The inspection unit inspects the manufactured object on the basis of a detection result from the elastic wave detection unit.

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