Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 22, 2011
Patent Application Number
11274513
Date Filed
November 8, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
Thin substrates, such as flat glass panels, are levitated on a porous media air bearing creating a pressurized film of air and preloaded against the air film by negative pressure areas. The pressure can be distributed most uniformly across the pressure areas by defusing the pressure through a porous medium. Such a bearing can be used for glass flattening by holding the glass such that the unevenness is migrated to the side opposite the side to be worked on.
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