Invention Grant
- Patent Title: Quick swap chuck with vacuum holding interchangeable top plate
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Application No.: US17562544Application Date: 2021-12-27
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Publication No.: US11794314B2Publication Date: 2023-10-24
- Inventor: Lim Chow Tian , Rajeev Patil , Harit Maganlal Gadhia
- Applicant: KLA Corporation
- Applicant Address: US CA Milpitas
- Assignee: KLA Corporation
- Current Assignee: KLA Corporation
- Current Assignee Address: US CA Milpitas
- Agency: Suiter Swantz pc llo
- Main IPC: H01L21/683
- IPC: H01L21/683 ; B25B11/00 ; G01N21/95

Abstract:
An apparatus for securing a substrate includes a detachable plate configured to reversibly attach to a base of a chuck. The base of the chuck includes one or more base-substrate vacuum inlet channels and one or more base-plate inlet channels. The detachable plate includes one or more first vacuum reservoirs and second vacuum reservoirs. The detachable plate is further configured to establish a fluidic connection between the one or more first vacuum reservoirs and the base-plate inlet channels for forming a first vacuum seal between the detachable plate and the base. The detachable plate further includes one or more pass-through channels for fluidic connection with the one or more second vacuum reservoirs for forming a second vacuum seal between the detachable plate and the substrate.
Public/Granted literature
- US20230069384A1 QUICK SWAP CHUCK WITH VACUUM HOLDING INTERCHANGEABLE TOP PLATE Public/Granted day:2023-03-02
Information query
IPC分类: