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:
Feb. 20, 2018
Filed:
Aug. 03, 2016
Tokyo Electron Limited, Tokyo, JP;
Jun Nonaka, Koshi-Shi, JP;
Tokyo Electron Limited, Minato-Ku, JP;
Abstract
A substrate liquid treatment method includes: (a) rotating the substrate about the vertical axis; (b) supplying the treatment liquid to the rotating substrate from the second nozzle with a falling point of the treatment liquid supplied from the second nozzle moving from the central portion to the peripheral portion of the substrate, while supplying the treatment liquid to the central portion of the substrate from the first nozzle, (c) after (b), moving the second nozzle from the peripheral portion to the central portion of the substrate with the supplying of the treatment liquid from the second nozzle being stopped, while continuing supplying the treatment liquid to the central portion of the rotating substrate from the first nozzle; and (d) after (c), supplying the treatment liquid to the rotating substrate from the second nozzle.