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:
Nov. 10, 2009
Filed:
Mar. 16, 2005
Applicants:
Shinji Maekawa, Shizuoka, JP;
Gen Fujii, Kanagawa, JP;
Hiroko Yamamoto, Kanagawa, JP;
Inventors:
Assignee:
Semiconductor Energy Laboratory Co., Ltd., Kanagawa-Ken, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for forming a pattern according to the invention comprises the steps of: forming a mask over a substrate having light-transmitting properties; forming a first region having a substance including a light-absorbing material over the substrate and the mask; forming a second region by irradiating the substance with light having a wavelength which is absorbable by the light-absorbing material through the substrate to modify a part of the substance surface; and forming a pattern by discharging a compound including a pattern forming material to the second region.