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Patent Searching and Data


Title:
SUBSTRATE TREATMENT METHOD AND SUBSTRATE TREATMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/044334
Kind Code:
A1
Abstract:
This substrate treatment method comprises: a substrate rotating step of rotating a horizontally held substrate around a rotation axis line extending in a vertical direction; a facing member positioning step of positioning a facing member which faces the substrate from above and comprises an extending section having an inner peripheral surface enclosing the substrate in plan view, said facing member being positioned at a position at which the inner peripheral surface of the extending section faces the substrate outwardly in a radial direction centered on the rotation axis line; a facing member rotating step of rotating the facing member around the rotation axis line; a treatment solution supply step of supplying a treatment solution to the upper surface of the substrate in the rotating state; and a guard positioning step of positioning a guard which encloses the substrate radially outward of the extending section in plan view, said guard being positioned at a height position for receiving the treatment solution scattering from the upper surface of the substrate and outward in the radial direction according to the affinity of the treatment solution for the inner peripheral surface of the extending section.

Inventors:
OSAWA MIZUKI (JP)
EBISUI HIROSHI (JP)
Application Number:
PCT/JP2018/028678
Publication Date:
March 07, 2019
Filing Date:
July 31, 2018
Export Citation:
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Assignee:
SCREEN HOLDINGS CO LTD (JP)
International Classes:
H01L21/304
Foreign References:
JP2017005195A2017-01-05
JP2016225427A2016-12-28
JP2014049606A2014-03-17
JP2017034235A2017-02-09
Attorney, Agent or Firm:
AI ASSOCIATION OF PATENT AND TRADEMARK ATTORNEYS (JP)
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