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. 07, 2017
Filed:
Nov. 24, 2014
Nikon Corporation, Tokyo, JP;
Kazuya Ono, Saitama, JP;
NIKON CORPORATION, Tokyo, JP;
Abstract
An exposure apparatus includes a projection system; a liquid supply system configured to supply liquid to a space under the projection system; a liquid recovery system configured to recover the supplied liquid via a recovery opening; a separator fluidically connected to the recovery opening, which separates one of the liquid and gas, which has been collected via the recovery opening, from the other; a flow-meter fluidically connected to the recovery opening; a stage system configured to move a movable member on which a substrate is held; and a measurement system having a light receiving part which receives a measurement light through a light-transmissive member provided at the movable member and through the liquid between the projection system and the light-transmissive member.