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:
Dec. 27, 1983
Filed:
May. 05, 1981
Applicant:
Inventors:
Masahiko Hirose, Yokohama, JP;
Katsutoshi Nishida, Yokohama, JP;
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ; B23K / ;
U.S. Cl.
CPC ...
2191 / ; 2191 / ; 2191 / ; 219 / ; 2191 / ; 204164 ; 31511121 ; 373 18 ;
Abstract
The apparatus includes a microwave generating device and, a waveguide connected with the microwave generating device. A reaction vessel disposed through the waveguide and supplied with a powdery material to be treated with a reaction gas. Pumps are provided for exhausting the reaction vessel. The reaction vessel comprises a vertically elongated vessel having a bottom above which a plasma generating area is formed. In one embodiment, the reaction vessel further comprises a bottom plate horizontally supported in the reaction tube and connected so as to be vertically slidable within the reaction tube.