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.

Date of Patent:
Nov. 14, 2017

Filed:

Jan. 28, 2016
Applicant:

Tokyo Electron Limited, Tokyo, JP;

Inventor:

Hidetami Yaegashi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/302 (2006.01); H01L 21/033 (2006.01); H01L 21/027 (2006.01);
U.S. Cl.
CPC ...
H01L 21/0338 (2013.01); H01L 21/0273 (2013.01); H01L 21/0337 (2013.01);
Abstract

Disclosed is a method for manufacturing a semiconductor device. The method includes: a first pattern forming step of forming, on a pattern forming target film, a first film that is patterned to have a first pattern that includes lines which are aligned with each other with spaces of a predetermined interval being interposed therebetween, and include a portion separated by using a first cut mask; a step of forming a second film to cover a surface of the first film; and a second pattern forming step of forming a pattern forming target film that is patterned to have a second pattern, by separating a portion of the space of the first step using a second cut mask. The first and second cut mask includes a plurality of openings or light shielding portions that have equal shapes, respectively.


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