Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 14, 2009
Patent Application Number
11522611
Date Filed
September 18, 2006
Patent Primary Examiner
Patent abstract
Various seal ring arrangements for an immersion lithography system are disclosed. With the seal ring arrangements, the immersion lithography system can provide better sealing effect for processing the wafers on a wafer chuck.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.