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:
Feb. 14, 2023

Filed:

Jul. 16, 2018
Applicant:

Tokyo Electron Limited, Tokyo, JP;

Inventors:

Takashi Kamio, Nirasaki, JP;

Yu Nunoshige, Nirasaki, JP;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C 16/455 (2006.01); H01L 21/67 (2006.01); C23C 16/44 (2006.01); C23C 16/458 (2006.01);
U.S. Cl.
CPC ...
C23C 16/45565 (2013.01); C23C 16/45544 (2013.01); C23C 16/45561 (2013.01); H01L 21/67017 (2013.01); C23C 16/4412 (2013.01); C23C 16/4586 (2013.01); C23C 16/45525 (2013.01);
Abstract

A gas processing apparatus includes: a mounting part; a gas supply part located above the mounting part and having a plurality of first gas supply holes; a gas supply path forming part configured to form a supply path of a processing gas, the gas supply path forming part including a flat opposing surface which faces the gas supply part from above and defines a first diffusion space for diffusing the processing gas in a lateral direction; a recess surrounding a central portion of the opposing surface; and a plurality of gas dispersion portions located in the recess surrounding the central portion of the opposing surface without protruding from the opposing surface, each of the plurality of gas dispersion portions having a plurality of gas discharge holes extending along a circumferential direction so as to laterally disperse the processing gas supplied from the supply path in the first diffusion space.


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