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Browse by Category: Main > Tools & Hardware
Class Information
Number: 451/443
Name: Abrading > Accessory > Dressing
Description: Accessory for returning an abrading tool to a predetermined shape or form after or during use.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
6149504 Method and apparatus for profile mirror surface grinding Nov. 21, 2000
6142859 Polishing apparatus Nov. 7, 2000
6139428 Conditioning ring for use in a chemical mechanical polishing machine Oct. 31, 2000
6139404 Apparatus and a method for conditioning a semiconductor wafer polishing pad Oct. 31, 2000
6135868 Groove cleaning device for chemical-mechanical polishing Oct. 24, 2000
6135863 Method of conditioning wafer polishing pads Oct. 24, 2000
6126523 Optical dressing method, machining device based on this method, grindstone and polishing cloth Oct. 3, 2000
6120349 Polishing system Sep. 19, 2000
6116989 Apparatus for dressing a grinding disc Sep. 12, 2000
6117001 Electrolytic in-process dressing method, electrolytic in-process dressing apparatus and grindstone Sep. 12, 2000
6116994 Polishing apparatus Sep. 12, 2000
6113462 Feedback loop for selective conditioning of chemical mechanical polishing pad Sep. 5, 2000
6110019 Electrode generating hydro-dynamic pressure in combination with grinding wheel Aug. 29, 2000
6106382 Abrasive product for dressing Aug. 22, 2000
6106381 Grinding device for sharpening the clothing of a carding cylinder Aug. 22, 2000
6095908 Polishing apparatus having a material for adjusting a surface of a polishing pad and method for adjusting the surface of the polishing pad Aug. 1, 2000
6093080 Polishing apparatus and method Jul. 25, 2000
6093280 Chemical-mechanical polishing pad conditioning systems Jul. 25, 2000
6093088 Surface polishing machine Jul. 25, 2000
6086460 Method and apparatus for conditioning a polishing pad used in chemical mechanical planarization Jul. 11, 2000
6077155 Polishing device and correcting method therefor Jun. 20, 2000
6062955 Installation for improving chemical-mechanical polishing operation May. 16, 2000
6059921 Chemical mechanical polishing apparatus and a polishing cloth for a chemical mechanical polishing apparatus May. 9, 2000
6050881 Surface finishing covalent-ionic ceramics Apr. 18, 2000
6045436 Process for the material-abrading machining of the edge of a semiconductor wafer Apr. 4, 2000
6042457 Conditioner assembly for a chemical mechanical polishing apparatus Mar. 28, 2000
6039635 Surface polishing apparatus including a dresser Mar. 21, 2000
6036589 Cleaner for a belt sander Mar. 14, 2000
6033290 Chemical mechanical polishing conditioner Mar. 7, 2000
6019670 Method and apparatus for conditioning a polishing pad in a chemical mechanical polishing system Feb. 1, 2000
6004193 Dual purpose retaining ring and polishing pad conditioner Dec. 21, 1999
6004196 Polishing pad refurbisher for in situ, real-time conditioning and cleaning of a polishing pad used in chemical-mechanical polishing of microelectronic substrates Dec. 21, 1999
6001008 Abrasive dresser for polishing disc of chemical-mechanical polisher Dec. 14, 1999
5997385 Method and apparatus for polishing semiconductor substrate Dec. 7, 1999
5975994 Method and apparatus for selectively conditioning a polished pad used in planarizng substrates Nov. 2, 1999
5974679 Measuring the profile of a polishing pad in a chemical mechanical polishing system Nov. 2, 1999
5961373 Process for forming a semiconductor device Oct. 5, 1999
5957752 Grinding wheel dressing method and device Sep. 28, 1999
5957757 Conditioning CMP polishing pad using a high pressure fluid Sep. 28, 1999
5957750 Method and apparatus for controlling a temperature of a polishing pad used in planarizing substrates Sep. 28, 1999
5954570 Conditioner for a polishing tool Sep. 21, 1999
5951375 Support for optical lenses and method for polishing lenses Sep. 14, 1999
5951387 Trimming device for a grinding wheel of a grinding machine Sep. 14, 1999
5951370 Method and apparatus for monitoring and controlling the flatness of a polishing pad Sep. 14, 1999
5944585 Use of abrasive tape conveying assemblies for conditioning polishing pads Aug. 31, 1999
5944588 Chemical mechanical polisher Aug. 31, 1999
5941762 Method and apparatus for improved conditioning of polishing pads Aug. 24, 1999
5938507 Linear conditioner apparatus for a chemical mechanical polishing system Aug. 17, 1999
5931725 Wafer polishing machine Aug. 3, 1999
5928065 Centerless grinding machine with optimal regulating wheel truing and dressing Jul. 27, 1999

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