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:
Jan. 22, 2019

Filed:

Jul. 06, 2017
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Satoshi Iwatani, Utsunomiya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/20 (2006.01); H01L 21/683 (2006.01); H01L 21/687 (2006.01); G03F 7/00 (2006.01);
U.S. Cl.
CPC ...
G03F 7/70716 (2013.01); G03F 7/0002 (2013.01); G03F 7/707 (2013.01); G03F 7/708 (2013.01); G03F 7/70783 (2013.01); G03F 7/70808 (2013.01); G03F 7/70866 (2013.01); G03F 7/70875 (2013.01); H01L 21/683 (2013.01); H01L 21/687 (2013.01);
Abstract

The present invention provides a stage apparatus including a plate, wherein the plate includes a first plate member, a second plate member, and a third plate member, at least one surface out of a first surface of the first plate member on a side of the second plate member and a second surface of the second plate member on a side of the first plate member includes a first concave portion configured to form a first channel extending in a direction along the surface, at least one surface out of a third surface of the second plate member on a side of the third plate member and a fourth surface of the third plate member on the side of the second plate member includes a second concave portion configured to form a second channel extending in a direction along the surface.


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