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. 09, 2019

Filed:

Jul. 31, 2018
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Ekmini A. De Silva, Slingerlands, NY (US);

Karen E. Petrillo, Voorheesville, NY (US);

Indira P. Seshadri, Troy, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/004 (2006.01); G03F 7/16 (2006.01); B82Y 40/00 (2011.01); H01L 21/3213 (2006.01); G03F 7/20 (2006.01); H01L 21/027 (2006.01); G03F 7/09 (2006.01); G03F 7/11 (2006.01);
U.S. Cl.
CPC ...
G03F 7/165 (2013.01); B82Y 40/00 (2013.01); G03F 7/094 (2013.01); G03F 7/11 (2013.01); G03F 7/168 (2013.01); G03F 7/2004 (2013.01); G03F 7/2037 (2013.01); H01L 21/0274 (2013.01); H01L 21/0276 (2013.01); H01L 21/32139 (2013.01);
Abstract

An extreme ultraviolet lithography pattern stack, including, an inorganic hardmask layer, an under layer on the inorganic hardmask layer, and a resist layer on the under layer, where the inorganic hardmask layer, under layer, and resist layer have a combined thickness in the range of about 8.5 nm to about 70 nm.


Find Patent Forward Citations

Quick Actions:

De Silva, Ekmini. (2019). Approach to lowering extreme ultraviolet exposure dose for inorganic hardmasks for extreme ultraviolet patterning (U.S. Patent No. 10254652). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10254652

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

Loading…