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.

Date of Patent:
Jan. 14, 2025

Filed:

Oct. 30, 2019
Applicant:

Nihon University, Tokyo, JP;

Inventors:

Tomohiko Asai, Tokyo, JP;

Daichi Kobayashi, Tokyo, JP;

Taichi Seki, Tokyo, JP;

Assignee:

Nihon University, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 37/32 (2006.01); C23C 14/35 (2006.01); H05H 1/16 (2006.01); H05H 1/34 (2006.01);
U.S. Cl.
CPC ...
H01J 37/32348 (2013.01); C23C 14/35 (2013.01); H01J 37/32357 (2013.01); H05H 1/16 (2013.01); H05H 1/3425 (2021.05);
Abstract

A magnetized plasmoid injection device including a cylindrical external electrode, a cylindrical internal electrode coaxially disposed inside the external electrode, a plasma generating gas supply unit that supplies plasma generating gas in a pulse shape between the external electrode and the internal electrode, a magnetic field generation unit that applies a magnetic field that generates magnetized plasmoid between the external electrode and the internal electrode, a power supply control unit that applies a discharge voltage between the external electrode and the internal electrode, and an impurity generation unit that contains an impurity in the magnetized plasmoid, the impurity generation unit having a cover electrode that opens to the external electrode, a thin-rod electrode that is located inside the cover electrode and is formed of an impurity, and an impurity generation power supply that applies a voltage to the cover electrode and the thin-rod electrode.


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