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:
Mar. 23, 2004
Filed:
Oct. 17, 2002
Taro Yamamoto, Kikuchi-gun, JP;
Akihiro Fujimoto, Kikuchi-gun, JP;
Kousuke Yoshihara, Kikuchi-gun, JP;
Hideharu Kyouda, Kikuchi-gun, JP;
Hirofumi Takeguchi, Kikuchi-gun, JP;
Tokyo Electron Limited, Tokyo, JP;
Abstract
A solution-receiving plate having solution-passing holes for passing a developer solution therethrough toward the back side of the plate is provided. Respective surfaces of the solution-receiving plate and a substrate are at the same height, and the solution-receiving plate is placed on the front-end side of the substrate and separated slightly from the front end of the substrate. A supply nozzle is moved to apply a developer solution. Accordingly, when the developer solution extended continuously between the perimeter of the substrate and the supply nozzle is severed, the severed developer solution is prevented from returning to the developer solution already spread over the substrate and thus flow and waves are prevented from occurring in the developer solution spread on the surface of the substrate. A resist pattern with a highly uniform line width is thus produced.