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:
Apr. 08, 2014

Filed:

Dec. 16, 2011
Applicants:

Ching-fang Yu, Hsinchu, TW;

Ting-hao Hsu, Hsinchu, TW;

Sheng-chi Chin, Jhubei, TW;

Inventors:

Ching-Fang Yu, Hsinchu, TW;

Ting-Hao Hsu, Hsinchu, TW;

Sheng-Chi Chin, Jhubei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 1/24 (2012.01); G03F 1/22 (2012.01);
U.S. Cl.
CPC ...
Abstract

An extreme ultraviolet (EUV) mask can be used in lithography, such as is used in the fabrication of a semiconductor wafer. The EUV mask includes a low thermal expansion material (LTEM) substrate and a reflective multilayer (ML) disposed thereon. A capping layer is disposed on the reflective ML and a patterned absorption layer disposed on the capping layer. The pattern includes an antireflection (ARC) type pattern.


Find Patent Forward Citations

Yu, Ching-Fang. (2014). Euv mask and method for forming the same (U.S. Patent No. 8691476). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8691476

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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