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:
Dec. 02, 2008
Filed:
Jul. 07, 2005
Daisuke Kawamura, Yokohama, JP;
Akiko Mimotogi, Yokohama, JP;
Takashi Sato, Fujisawa, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A device manufacturing method is disclosed, which includes forming a resist film on a substrate, preparing an exposure tool which comprises a projection optical system, preparing a photo mask on which a mask pattern is formed, mounting the substrate and the photo mask on the exposure tool, the substrate having the resist film formed thereon, transferring the mask pattern formed on the photo mask onto the resist film in a state in which a solution including an oxidative agent is filled between the resist film and a final element of a projection optical system to form a latent image of the mask pattern on the resist film, heating the resist film having the latent image formed thereon, and developing the heated resist film.