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Lai Wa Helen CHAN-WONG
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Hong Kong, HK
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Patents Grants
last 30 patents
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Patent Grant
Active damping device for a positioning stage
Patent number
7,649,333
Issue date
Jan 19, 2010
ASM Assembly Automation LTD
Ping Kong Joseph Choy
G05 - CONTROLLING REGULATING
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Patent Grant
Tunable vibration absorption device
Patent number
7,410,039
Issue date
Aug 12, 2008
ASM Assembly Automation LTD
Siu Wing Or
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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Patent Application
ACTIVE DAMPING DEVICE FOR A POSITIONING STAGE
Publication number
20080169781
Publication date
Jul 17, 2008
Ping Kong Joseph CHOY
G05 - CONTROLLING REGULATING