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.:

US 9529250 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 27, 2016

Filed:

Oct. 31, 2014
Applicant:

Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;

Inventors:

Yi-Ling Hsieh, Kaohsiung, TW;

Shinn-Sheng Yu, Hsinchu, TW;

Jeng-Horng Chen, Hsin-Chu, TW;

Anthony Yen, Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 1/24 (2012.01); G03F 1/54 (2012.01); G03F 7/20 (2006.01);
U.S. Cl.
CPC ...
G03F 1/24 (2013.01); G03F 1/54 (2013.01); G03F 7/702 (2013.01);
Abstract

The present disclosure also provides a photolithography mask. The photolithography mask includes a substrate that contains a low thermal expansion material (LTEM). A reflective structure is disposed over the substrate. A capping layer is disposed over the reflective structure. An absorber layer is disposed over the capping layer. The absorber layer contains an indium tin oxide (ITO) material. In some embodiments, the ITO material has a SnOcrystalline structure.


Find Patent Forward Citations

Loading…