| Patents for B24B 21 - Machines or devices using grinding or polishing belts; Accessories therefor (4,476) |
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| 04/04/2001 | EP1088622A2 Platen with web release apparatus |
| 04/04/2001 | CA2303628A1 Wood strip sanding machine |
| 04/03/2001 | US6210256 Continuous pad feeding method for chemical-mechanical polishing |
| 03/28/2001 | CN1289281A Polishing device and polishing method |
| 03/27/2001 | US6207572 Reverse linear chemical mechanical polisher with loadable housing |
| 03/27/2001 | US6206754 Endpoint detection apparatus, planarizing machines with endpointing apparatus, and endpointing methods for mechanical or chemical-mechanical planarization of microelectronic substrate assemblies |
| 03/20/2001 | US6203402 Device for finishing curved work piece surfaces using a grinding belt |
| 03/14/2001 | CN1287040A Buffing attachment |
| 03/08/2001 | WO2001015867A1 Unsupported polishing belt for chemical mechanical polishing |
| 03/08/2001 | WO2001015863A1 Windowless belt and method for in-situ wafer monitoring |
| 03/08/2001 | WO2001015856A1 Polishing pads and planarizing machines for mechanical and/or chemical-mechanical planarization of microelectronic substrate assemblies |
| 03/08/2001 | WO2001015855A1 Method and apparatus for mechanical and chemical-mechanical planarization of microelectronic substrates with metal compound abrasives |
| 03/07/2001 | EP1080837A2 Polishing apparatus |
| 03/06/2001 | US6196909 Abrasing tool |
| 02/27/2001 | US6194317 Method of planarizing the upper surface of a semiconductor wafer |
| 02/27/2001 | US6193590 Abrasive tape for texturing magnetic recording media |
| 02/27/2001 | US6193588 Method and apparatus for planarizing and cleaning microelectronic substrates |
| 02/27/2001 | CA2151400C Workpiece grinding method and apparatus |
| 02/27/2001 | CA2067830C Automatic mechanical centering device for endless belts moving on rollers |
| 02/15/2001 | WO2001010598A1 Hand-held grinding machine |
| 02/14/2001 | CN2419002Y Mouth polishing apparatus |
| 02/13/2001 | US6186865 Apparatus and method for performing end point detection on a linear planarization tool |
| 02/08/2001 | DE19937014A1 Handbandschleifmaschine Hand belt sander |
| 02/06/2001 | US6184139 Oscillating orbital polisher and method |
| 01/30/2001 | US6179709 In-situ monitoring of linear substrate polishing operations |
| 01/30/2001 | US6179690 Substrate polishing apparatus |
| 01/30/2001 | US6179689 Spherical mirror surface processing method and device |
| 01/25/2001 | WO2001005555A1 Methods and apparatuses for planarizing microelectronic substrate assemblies |
| 01/25/2001 | DE19933946A1 Druckbalken Pressure bar |
| 01/24/2001 | EP1070567A1 Pressure beam |
| 01/17/2001 | EP1068045A1 Grinding device for rounding off edges of an opening in a work piece |
| 01/16/2001 | US6174226 Hand-held belt sander |
| 01/16/2001 | US6174223 Method and apparatus for polishing external-tooth gears |
| 01/09/2001 | US6171224 Finishing of tungsten carbide surfaces |
| 12/28/2000 | WO2000078506A1 Tool holder |
| 12/27/2000 | EP1062072A1 Method for producing a high-quality surface, wide-wheel grinding device and use of same |
| 12/12/2000 | US6159080 Chemical mechanical polishing with a small polishing pad |
| 12/12/2000 | US6159078 Method and device for shaping a rotationally-symmetrical surface |
| 12/05/2000 | US6155917 Belt sander with control bar |
| 12/05/2000 | US6155915 System and method for independent air bearing zoning for semiconductor polishing device |
| 12/05/2000 | US6155914 Apparatus for the application of an advanced texture process |
| 11/30/2000 | WO2000071297A1 Chemical mechanical planarization or polishing pad with sections having varied groove patterns |
| 11/23/2000 | DE19925077A1 Vorrichtung zum Bandfinishen von gekrümmten Werkstückoberflächen Apparatus for band finishing of curved workpiece surfaces |
| 11/22/2000 | EP1053827A2 Belt sander with orbitally translated abrasive belt |
| 11/22/2000 | EP1053826A2 Apparatus for belt finishing of curved workpiece surfaces |
| 11/21/2000 | CA2172437C Abrasive machining apparatus equipped with a device for facilitating replacement of abrasive tape |
| 11/16/2000 | WO2000047366A3 Apparatus and method for grinding, lapping and polishing semiconductor wafers |
| 11/16/2000 | DE19921043A1 Belt grinding machine has slide belt held flexibly between two stable shaped limits that can be acted upon by workpiece in flexible region to adopt complementary shape to workpiece |
| 11/15/2000 | EP1052063A1 System for chemical mechanical planarization |
| 11/15/2000 | EP1052061A2 System for chemical mechanical planarization |
| 11/15/2000 | EP1052060A2 Method for chemical mechanical planarization |
| 11/15/2000 | EP1052059A2 Method for chemical mechanical planarization |
| 11/15/2000 | EP0868258A4 Substrate belt polisher |
| 11/14/2000 | US6146249 Apparatus and method for polishing a flat surface using a belted polishing pad |
| 11/14/2000 | US6146248 Method and apparatus for in-situ end-point detection and optimization of a chemical-mechanical polishing process using a linear polisher |
| 11/09/2000 | DE19919318A1 Wide grinding machine has modular machine frame structure assembled from individual non-metal castings for direct vibration damping within machine frame mass |
| 11/02/2000 | WO2000064631A1 Method for grinding glass |
| 11/02/2000 | EP1048402A2 Belt sander |
| 11/02/2000 | DE10020347A1 Grinding apparatus for shaping spherical objects e.g. of semiconductor material conveys objects in holes on endless belt past grinding belt |
| 10/24/2000 | US6135866 Grinding device for tools |
| 10/24/2000 | US6135861 Shaft polishing method and a shaft produced thereby |
| 10/24/2000 | US6135859 Chemical mechanical polishing with a polishing sheet and a support sheet |
| 10/18/2000 | CN2401316Y Abrasive band machine |
| 10/18/2000 | CN1270090A Planar grinder with abrasive belt and its control method |
| 10/18/2000 | CN1270089A Method for machining device and method for machining slide contacts |
| 10/12/2000 | WO2000059678A1 Method and device for grinding a rolled metal band |
| 10/10/2000 | US6129615 Deburring machine |
| 10/05/2000 | WO2000058054A1 A method and apparatus for stabilizing the process temperature during chemical mechanical polishing |
| 10/03/2000 | US6126527 Seal for polishing belt center support having a single movable sealed cavity |
| 10/03/2000 | US6126515 Liquid slurry containing polyhedral monocrystalline alumina |
| 10/03/2000 | US6126512 Robust belt tracking and control system for hostile environment |
| 09/28/2000 | DE19913400A1 Grinding and/or polishing device for tubes, consisting of drive roll, pressure roll, setting roll, holding rods and closing rods |
| 09/27/2000 | EP1038633A1 Apparatus for machining workpieces by grinding, specially for superfinishing |
| 09/27/2000 | CN1267578A Method for grinding external tooth gear and grinding apparatus |
| 09/26/2000 | US6123607 Method and apparatus for improved conditioning of polishing pads |
| 09/19/2000 | US6120359 Apparatus and method for forming spherical end surface of coaxial composite member |
| 09/13/2000 | EP1034886A2 Polishing apparatus including attitude controller for dressing apparatus |
| 08/30/2000 | CN2393681Y Sand-band polisher |
| 08/22/2000 | US6106388 Belt guide member |
| 08/17/2000 | WO2000047366A2 Apparatus and method for grinding, lapping and polishing semiconductor wafers |
| 08/16/2000 | EP1027956A2 Apparatus for finishing of substantially cylindrical workpiece surfaces |
| 08/16/2000 | EP0800439B1 Checking device for a microfinishing machine tool |
| 08/15/2000 | US6103628 Reverse linear polisher with loadable housing |
| 08/15/2000 | US6102787 Oscillating combination belt, spindle and edge sander |
| 08/15/2000 | US6102783 Apparatus for microfinishing cam-shaft surfaces |
| 08/15/2000 | US6102781 Automatically securable travel limiting stops for pressure shoes used in an abrasive finishing machine |
| 08/10/2000 | DE19905139A1 Vorrichtung zur Feinbearbeitung von im wesentlichen zylindrischen Werkstückoberflächen Device for fine machining of the substantially cylindrical workpiece surfaces |
| 08/09/2000 | EP1025955A2 Chemical mechanical polishing with a moving polishing sheet |
| 08/09/2000 | EP1025954A2 Apparatus and methods of substrate polishing |
| 08/02/2000 | EP1024314A1 Device for tensioning flexible elements wound onto pulleys |
| 08/02/2000 | EP0725704B1 Contour head assembly for grinding machine utilizing multiple, parallel, abrasive belts and method for its assembly |
| 08/01/2000 | US6095909 Abrasive belt machine tool for machining cylindrical bearing surfaces on shafts |
| 07/26/2000 | EP1022092A1 Abrasive machining apparatus equipped with a device for facilitating replacement of abrasive tape |
| 07/26/2000 | EP1021273A1 Method and device for shaping a rotationally-symmetrical surface |
| 07/19/2000 | EP1020661A2 Method and apparatus for polishing external-tooth gears |
| 07/18/2000 | US6089962 Machine for polishing railway vehicle wheel axles |
| 07/18/2000 | US6089958 Belt sander with orbitally translated abrasive belt |
| 07/12/2000 | EP1017537A1 Belt-type grinding machine with a reclinable grinding unit and integrated flip-type stops |
| 07/11/2000 | US6086461 Wood strip sanding machine |
| 07/11/2000 | US6086456 Polishing method using a hydrostatic fluid bearing support having fluctuating fluid flow |