Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gunter Heine0
Klaus Dieter Kloeppel0
Dustin Alan Cochran0
Date of Patent
June 26, 2007
0Patent Application Number
103404230
Date Filed
January 10, 2003
0Patent Primary Examiner
Patent abstract
A method of forming a hydrodynamic bearing surface on a workpiece is provided. The method comprises electrochemically etching away all material in a region of the surface, except for portions of the region defined by a land pattern on an etching cathode. The step of removing forms a continuous recessed region comprising grooves formed between the portions of the region defined by the land pattern, and a relief cut region circumscribing the workpiece.
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