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Class Information
Number: 451/283
Name: Abrading > Machine > Rotary tool > Rotary disk > Work rotating
Description: Abrading machine in which the work is turned about an axis while being abraded.










Sub-classes under this class:

Class Number Class Name Patents
451/284 Raceway 14
451/285 Rotary work holder 957


Patents under this class:
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Patent Number Title Of Patent Date Issued
8579679 Conditioning method and conditioning apparatus for polishing pad for use in double side polishing device Nov. 12, 2013
8460063 Polishing apparatus Jun. 11, 2013
8398878 Methods for producing and processing semiconductor wafers Mar. 19, 2013
8298040 Process and apparatus for grinding tyres Oct. 30, 2012
8177605 Bowling ball surface treatment device May. 15, 2012
8113919 Bowling ball surface treatment apparatus Feb. 14, 2012
8083570 Chemical mechanical polishing pad having sealed window Dec. 27, 2011
8057284 Tool for polishing and fine-grinding optically active surfaces in precision optics Nov. 15, 2011
8047897 Substrate flat grinding device Nov. 1, 2011
8016646 Saw blade sharpening assembly Sep. 13, 2011
7910157 Substrate processing method and program Mar. 22, 2011
7585203 Bowling ball surface treatment machine and bowling ball surface treatment method Sep. 8, 2009
7500905 Grinding apparatus and grinding system Mar. 10, 2009
7241203 Six headed carousel Jul. 10, 2007
7238092 Low-force electrochemical mechanical processing method and apparatus Jul. 3, 2007
7226344 Method of processing antifriction bearing unit for wheel Jun. 5, 2007
7217176 Polishing tool with several pressure zones May. 15, 2007
7166016 Six headed carousel Jan. 23, 2007
6783446 Chemical mechanical polishing apparatus and method of chemical mechanical polishing Aug. 31, 2004
6705929 Cloth cleaning device and polishing machine Mar. 16, 2004
6666756 Wafer carrier head assembly Dec. 23, 2003
6537135 Curvilinear chemical mechanical planarization device and method Mar. 25, 2003
6524176 Polishing pad Feb. 25, 2003
6422918 Chemical-mechanical polishing of photoresist layer Jul. 23, 2002
6416392 Sound enhanced lapping process Jul. 9, 2002
6379216 Rotary chemical-mechanical polishing apparatus employing multiple fluid-bearing platens for semiconductor fabrication Apr. 30, 2002
6358117 Processing method for a wafer Mar. 19, 2002
6354918 Apparatus and method for polishing workpiece Mar. 12, 2002
6341995 Chemical mechanical polishing apparatus Jan. 29, 2002
6322422 Apparatus for accurately measuring local thickness of insulating layer on semiconductor wafer during polishing and polishing system using the same Nov. 27, 2001
6165056 Polishing machine for flattening substrate surface Dec. 26, 2000
6139406 Combined slurry dispenser and rinse arm and method of operation Oct. 31, 2000
6116987 Method of polishing hard disc and polishing apparatus therefor Sep. 12, 2000
6110013 End-face polishing and cleaning apparatus Aug. 29, 2000
6071180 Method of surface grinding a flange surface of a wheel hub for an automotive vehicle Jun. 6, 2000
5893796 Forming a transparent window in a polishing pad for a chemical mechanical polishing apparatus Apr. 13, 1999
5893755 Method of polishing a semiconductor wafer Apr. 13, 1999
5820449 Vertically stacked planarization machine Oct. 13, 1998
5785584 Planarizing apparatus with deflectable polishing pad Jul. 28, 1998
5665656 Method and apparatus for polishing a semiconductor substrate wafer Sep. 9, 1997
5655949 Method of polishing waxers using a vertically stacked planarization machine Aug. 12, 1997
5645469 Polishing pad with radially extending tapered channels Jul. 8, 1997
5554065 Vertically stacked planarization machine Sep. 10, 1996
5547418 Optical fiber end-surface polishing device Aug. 20, 1996
5527209 Wafer polisher head adapted for easy removal of wafers Jun. 18, 1996
5462568 Stone polishing composition Oct. 31, 1995
5433652 Glass sheet partial chamfering machine Jul. 18, 1995
5421768 Abrasive cloth dresser Jun. 6, 1995
5367834 Edge grinding apparatus Nov. 29, 1994
5210977 Drill grinding device May. 18, 1993

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