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Class Information
Number: 451/905
Name: Abrading > Metal lap
Description: Disclosure of means to grind comprising a member of metal which generally conforms to the desired shape of a workpiece to which is loosely applied crystalline material for grinding the workpiece by movement of the member with respect thereto.

Patents under this class:

Patent Number Title Of Patent Date Issued
7147543 Carrier assemblies, planarizing apparatuses including carrier assemblies, and methods for planarizing micro-device workpieces Dec. 12, 2006
6958001 Carrier assemblies, planarizing apparatuses including carrier assemblies, and methods for planarizing micro-device workpieces Oct. 25, 2005
6679760 Lapping method of magnetic head slider and lapping method of bar Jan. 20, 2004
6264536 Reducing polish platen corrosion during integrated circuit fabrication Jul. 24, 2001
6217423 Apparatus and method for mirror surface grinding of magnetic disc substrate Apr. 17, 2001
5800255 Lap adapter Sep. 1, 1998
5476606 Compositions and methods for polishing Dec. 19, 1995
5456736 Lap and lapping liquor Oct. 10, 1995
5209023 Thermoplastic polymer optical lap and method of making same May. 11, 1993
5022191 Polishing plate Jun. 11, 1991
4928434 Lapping internal surfaces May. 29, 1990
4821461 Textured lapping plate and process for its manufacture Apr. 18, 1989
4720942 Apparatus for abrading contact lens edges Jan. 26, 1988
4532737 Method for lapping diamond Aug. 6, 1985
4275530 Grinding heads for grinding machines Jun. 30, 1981
4254591 Internal lapping tool Mar. 10, 1981
4253279 Precision honing device Mar. 3, 1981
4223485 Lapping tools Sep. 23, 1980
4188755 Expandable abrading tool and abrasive insert and washers thereof Feb. 19, 1980

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