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:
Sep. 02, 2025
Filed:
Mar. 13, 2023
Kla Corporation, Milpitas, CA (US);
KLA CORPORATION, Milpitas, CA (US);
Abstract
A lifter assembly for an optical system includes a chuck having a chuck base and a detachable top plate, wherein the detachable top plate is one of a plurality of interchangeable detachable top plates configured to support a substrate. The lifter assembly also includes a moveable plate supporting the chuck on an upper surface of the moveable plate, the moveable plate vertically adjustable between a lower, retracted position and an upper, extended position. The lifter assembly further includes a bellows structure operatively coupled to the moveable plate. The lifter assembly yet further includes a pneumatic system fluidly coupled to the bellows structure to selectively expand and contract, wherein expansion of the bellows structure vertically adjusts the moveable plate to the upper, extended position and contraction of the bellows structure vertically adjusts the moveable plate to the lower, retracted position.