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:
Aug. 06, 2024

Filed:

Sep. 22, 2023
Applicant:

Rasirc, Inc., San Diego, CA (US);

Inventor:

Jeffrey J. Spiegelman, San Diego, CA (US);

Assignee:

RASIRO, Inc., San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/311 (2006.01); H01J 37/32 (2006.01); H01L 21/3065 (2006.01); H01L 21/66 (2006.01);
U.S. Cl.
CPC ...
H01L 21/31116 (2013.01); H01J 37/32522 (2013.01); H01J 37/32972 (2013.01); H01L 22/26 (2013.01); H01J 37/32082 (2013.01); H01J 2237/334 (2013.01);
Abstract

The techniques described herein relate to a method for etching an ashable hard mask (AHM) on a substrate. The method includes forming a plasma from a gas mixture, wherein the gas mixture includes hydrogen peroxide vapor with a concentration greater than 0.1% by volume, wherein the concentration of the hydrogen peroxide vapor in the gas mixture is substantially stable over time, and wherein the plasma comprises hydrogen peroxide species. The method further includes etching the AHM by exposing the AHM to the plasma.


Find Patent Forward Citations

Spiegelman, Jeffrey. (2024). Hydrogen peroxide plasma etch of ashable hard mask (U.S. Patent No. 12057320). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12057320

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

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