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:
Oct. 29, 2024
Filed:
Dec. 30, 2022
Applicant:
Kla Corporation, Milpitas, CA (US);
Inventors:
Alexander Bykanov, Escondido, CA (US);
Rui-Fang Shi, Cupertino, CA (US);
Assignee:
KLA Corporation, Milpitas, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05G 2/00 (2006.01);
U.S. Cl.
CPC ...
H05G 2/005 (2013.01); H05G 2/008 (2013.01);
Abstract
An extreme ultraviolet (EUV) light source includes a vacuum chamber with a rotating target assembly therein. The rotating target assembly has an annular groove with a distal wall relative to an axis of rotation. The distal wall includes a porous region. The rotating target assembly is rotated to form a target by centrifugal force with a layer of molten metal on a distal wall of an annular groove in the rotating target assembly.