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:
Oct. 27, 2020
Filed:
Jan. 08, 2019
Applicant:
Tokyo Electron Limited, Tokyo, JP;
Inventors:
Takumi Kabe, Nirasaki, JP;
Michitaka Aita, Nirasaki, JP;
Assignee:
TOKYO ELECTRON LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 16/455 (2006.01);
U.S. Cl.
CPC ...
C23C 16/45559 (2013.01);
Abstract
A gas distribution device includes a plurality of supply lines, a branch unit and a variation suppression unit. The supply lines are respectively connected to a plurality of processing chambers. The branch unit is configured to distribute a gas supplied from a gas supply source to the supply lines. The variation suppression unit is provided between the branch unit and the gas supply source and configured to supply the gas from the gas supply source to the branch unit and suppress variation in flow rates of the gas distributed by the branch unit between the supply lines.