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.:
Date of Patent:
Jul. 22, 2025
Filed:
Dec. 12, 2023
Applicant:
Applied Materials, Inc., Santa Clara, CA (US);
Inventors:
Jothilingam Ramalingam, Milpitas, CA (US);
William Fruchterman, Sunnyvale, CA (US);
Assignee:
APPLIED MATERIALS, INC., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/34 (2006.01); C23C 14/34 (2006.01);
U.S. Cl.
CPC ...
H01J 37/3441 (2013.01); C23C 14/34 (2013.01); H01J 37/3447 (2013.01);
Abstract
Methods and apparatus for reducing burn-in time of a physical vapor deposition shield, including: sputtering a dielectric target having a first dielectric constant to form a dielectric layer upon an inner surface of a shield, wherein the shield includes an aluminum oxide coating having a second dielectric constant in an amount sufficient to reduce the burn-in time, and wherein the first dielectric constant and second dielectric constant are substantially similar.