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Patent Searching and Data


Title:
SHUTTER BLADE DEVICE FOR LITHOGRAPHY MACHINE
Document Type and Number:
WIPO Patent Application WO/2019/007359
Kind Code:
A1
Abstract:
Disclosed is a shutter blade device for an exposure system of a lithography machine, the shutter blade device comprising two shutter blades (3, 4), and two thermal insulation plates (2), each shutter blade (3, 4) being connected to one thermal insulation plate (2). The conduction of heat from the blades (3, 4) to a shutter system is prevented by connecting the shutter blades (3, 4) and the thermal insulation plates (2), and the problem of the operation of a shutter system being unstable or a shutter system even being burned due to thermal conduction by the shutter is avoided.

Inventors:
WANG YANFEI (CN)
LIU GUOGAN (CN)
ZHANG FUPING (CN)
JIA XIANG (CN)
Application Number:
PCT/CN2018/094462
Publication Date:
January 10, 2019
Filing Date:
July 04, 2018
Export Citation:
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Assignee:
SHANGHAI MICRO ELECTRONICS EQUIPMENT GROUP CO LTD (CN)
International Classes:
G03F7/20
Foreign References:
CN102087476A2011-06-08
US4839679A1989-06-13
CN104777716A2015-07-15
Attorney, Agent or Firm:
SHANGHAI SAVVY INTELLECTUAL PROPERTY AGENCY (CN)
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