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:
Jun. 06, 1995
Filed:
Mar. 02, 1994
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A method of transferring a micropattern onto a substrate includes the step of forming a multilayer film consisting of at least two layers on the substrate, the first exposing step of exposing the uppermost layer of the multilayer film through a first mask having a pattern equal to or larger than the micropattern, the step of positioning a second mask such that a main pattern thereof overlaps a transfer area of the uppermost layer of the multilayer film, the second mask having the main pattern corresponding to the micropattern and an auxiliary pattern arranged in the vicinity of the main pattern, and the second exposing step of exposing a layer other than the uppermost layer of the multilayer film through the second mask.