Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kerry F. Hughes0
Stacy Meyer0
Sidney P. Huey0
Trung T. Doan0
Charles C. Garretson0
Douglas R. McAllister0
Jeffrey P. Schmidt0
Romain Beau De Lamenie0
...
Date of Patent
December 26, 2023
0Patent Application Number
181670070
Date Filed
February 9, 2023
0Patent Citations
...
Patent Primary Examiner
CPC Code
Patent abstract
A retaining ring can be shaped by machining or lapping the bottom surface of the ring to form a shaped profile in the bottom surface. The bottom surface of the retaining ring can include flat, sloped and curved portions. The lapping can be performed using a machine that dedicated for use in lapping the bottom surface of retaining rings. During the lapping the ring can be permitted to rotate freely about an axis of the ring. The bottom surface of the retaining ring can have curved or flat portions.
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