| Patents for B24B 21 - Machines or devices using grinding or polishing belts; Accessories therefor (4,476) |
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| 07/06/2000 | WO2000038882A2 Wide-wheel grinding machine |
| 07/05/2000 | EP1015177A1 Polishing media magazine for improved polishing |
| 07/04/2000 | US6083606 Phenoxy resin and polyesterurethane copolymer binder and inorganic powders |
| 06/29/2000 | DE19860411A1 Polygonal conveyor belt guiding system for use in manufacturing system esp. with robots, |
| 06/28/2000 | EP1011923A1 Roll with surface coating |
| 06/28/2000 | EP1011921A1 Apparatus for grinding surfaces |
| 06/27/2000 | US6080051 Apparatus for machining cylindrical workpieces |
| 06/27/2000 | US6080040 Wafer carrier head with inflatable bladder and attack angle control for polishing |
| 06/22/2000 | WO2000035628A1 Grinding process control method and computer-aided control for wide grinding machines |
| 06/21/2000 | DE19915909A1 Verfahren zur Steuerung des Schleifprozesses sowie Rechnersteuerung für Breitschleifmaschine Method for controlling the grinding process, and computer control for Wide grinding machine |
| 06/13/2000 | US6074284 Combination electrolytic polishing and abrasive super-finishing method |
| 06/08/2000 | WO2000032356A1 Reverse linear polisher with loadable housing |
| 06/07/2000 | CN2381435Y Crankshaft polisher |
| 06/06/2000 | US6071183 Abrading machine with indexing tool carrier |
| 05/30/2000 | US6068542 Pad tape surface polishing method and apparatus |
| 05/30/2000 | US6068539 Wafer polishing device with movable window |
| 05/17/2000 | EP0999918A1 Polishing semiconductor wafers |
| 05/16/2000 | US6062961 Wafer polishing head drive |
| 05/16/2000 | US6062959 Polishing system including a hydrostatic fluid bearing support |
| 05/16/2000 | US6062955 Installation for improving chemical-mechanical polishing operation |
| 05/11/2000 | WO2000025983A1 Use of zeta potential during chemical mechanical polishing for end point detection |
| 05/11/2000 | WO2000025982A1 Apparatus and method for performing end point detection on a linear planarization tool |
| 05/09/2000 | US6059643 Apparatus and method for polishing a flat surface using a belted polishing pad |
| 05/04/2000 | WO2000024550A1 Belt for polishing semiconductors |
| 05/04/2000 | DE19850216A1 Verfahren und Vorrichtung zur Feinbearbeitung von im wesentlichen zylindrischen Werkstückoberflächen Method and device for the fine machining of substantially cylindrical workpiece surfaces |
| 05/03/2000 | EP0997229A1 Method and apparatusfor finishing cylindrical workpieces |
| 04/19/2000 | EP0993906A1 Sharpening device for the cutting knife of a face-to-face weaving machine |
| 04/13/2000 | DE19821982C2 Profil-Bandschleifmaschine Profile Belt Sander |
| 04/05/2000 | CN1249658A Electronic element wafer conveyer and method for producing electronic device using said wafer |
| 03/29/2000 | EP0988928A1 Grinding apparatus for grinding the edges of ceramic workpieces |
| 03/29/2000 | CN2370997Y Driving device for sand paper on sander |
| 03/23/2000 | WO2000015387A1 Oscillating orbital polisher and method |
| 03/23/2000 | DE19841386A1 Schleifvorrichtung zum Schleifen eines Randes eines Keramik- oder Porzellangegenstandes Grinding apparatus for grinding an edge of a ceramic or porcelain article |
| 03/23/2000 | DE19841172A1 Belt grinding machine for grinding workpiece surfaces, with roller element able to be moved and/or pressurized |
| 03/21/2000 | US6040034 Lapping tape |
| 03/21/2000 | US6039633 Method and apparatus for mechanical and chemical-mechanical planarization of microelectronic-device substrate assemblies |
| 03/21/2000 | US6039630 Apparatus and method for calibrating pressure existing between optical fibers and a polishing pad during a polishing process |
| 03/16/2000 | DE19842086A1 Finishing method for tungsten carbide surface of cylindrical article e.g. calendar roll |
| 03/08/2000 | CN2367427Y Structure-improved comprehesive finisher-belt grinder |
| 03/08/2000 | CN1246401A Abrasive belt grinding machine |
| 02/17/2000 | WO2000008255A1 Apparatus and method for grinding webs made of fiber material |
| 02/16/2000 | CN2363832Y Transmission for sander |
| 02/02/2000 | EP0976495A1 Belt grinding machine |
| 02/02/2000 | EP0827441B1 Belt grinder with pivotable grinding unit and opposite supporting tables at different working heights |
| 01/13/2000 | DE19830642A1 Belt grinder for wood profiles ues folding rollers between shoe and guide rollers to fold belt so grit faces face outwards onto work angle. |
| 01/13/2000 | DE19821982A1 Belt grinder with belt rollers uses two closely adjacent belts individually tensioned by half-rollers and addressed to the work separately for dissimilar grit action. |
| 12/29/1999 | EP0966338A1 Integrated pad and belt for chemical mechanical polishing |
| 12/23/1999 | DE19825698A1 Belt grinder with contact wheel and belt guide rollers |
| 12/21/1999 | US6004189 Finishing of tungsten carbide surfaces |
| 12/14/1999 | US6001006 Machine for machining internal surfaces of axisymmetric workpieces using an abrasive strip |
| 12/14/1999 | US6001004 Panel sanding machine with automatic changing and cleaning of the abrasive belt |
| 12/14/1999 | US6000997 Temperature regulation in a CMP process |
| 12/07/1999 | US5997388 Apparatus for removing marks from integrated circuit devices |
| 12/07/1999 | US5997386 Automated deburring assembly |
| 12/07/1999 | US5997384 Method and apparatus for controlling planarizing characteristics in mechanical and chemical-mechanical planarization of microelectronic substrates |
| 12/01/1999 | EP0960002A1 Improved microfinishing machine |
| 11/24/1999 | CN2350162Y Multipurpose finishing grinding machine |
| 11/16/1999 | US5984767 Assembly using an abrasive strip to machine a cylindrical bearing surface of a workpiece |
| 11/09/1999 | US5980368 Polishing tool having a sealed fluid chamber for support of polishing pad |
| 11/02/1999 | US5975993 Method of manufacturing developing roller |
| 10/27/1999 | CN2345318Y Structure for control finisher belt cylinder constant moving |
| 10/21/1999 | DE19833881C1 Belt grinding machine with endless grinding band running over deflector rollers |
| 10/20/1999 | EP0950467A2 Abrasive machining apparatus equipped with a device for facilitating replacement of abrasive tape |
| 10/20/1999 | CN1232245A Magnetic head front grinding device and method |
| 10/14/1999 | WO1999051396A1 Polishing device and polishing method |
| 10/14/1999 | WO1999051395A1 Grinding device for rounding off edges of an opening in a work piece |
| 10/12/1999 | US5964654 Multiple abrasive belt machine |
| 10/05/1999 | US5961372 Substrate belt polisher |
| 09/28/1999 | US5958794 Method of modifying an exposed surface of a semiconductor wafer |
| 09/28/1999 | US5957764 Modular wafer polishing apparatus and method |
| 09/28/1999 | US5957758 Belt sander |
| 09/23/1999 | DE19852671A1 Method for producing high quality surface by wide-wheel grinding device |
| 09/22/1999 | CN2339352Y Guide-wheel type belt controlling device for sander |
| 09/16/1999 | WO1999046082A1 Method for producing a high-quality surface, wide-wheel grinding device and use of same |
| 09/15/1999 | EP0941806A2 Wafer polishing device with moveable window |
| 09/14/1999 | US5951384 Polishing apparatus which causes a polishing tape to advance and rotate |
| 09/14/1999 | US5951377 Microfinishing machine |
| 09/07/1999 | US5947802 Wafer shuttle system |
| 09/07/1999 | US5947801 Pressure bar for a belt grinding machine |
| 09/02/1999 | DE19806688A1 Non-round boring processing device |
| 08/31/1999 | US5944585 Use of abrasive tape conveying assemblies for conditioning polishing pads |
| 08/31/1999 | US5944582 Chemical mechanical polishing with a small polishing pad |
| 08/26/1999 | WO1999042249A1 Abrasive belt |
| 08/24/1999 | US5941762 Method and apparatus for improved conditioning of polishing pads |
| 08/18/1999 | CN1225863A Grinding machine utilizing multiple, parallel, abrasive belts for simultaneously grinding surfaces on workpiece |
| 08/17/1999 | US5938513 Apparatus for handling polishing carriers |
| 08/17/1999 | US5938508 Method for removing marks from integrated circuit devices and devices so processed |
| 08/17/1999 | US5938504 Substrate polishing apparatus |
| 08/10/1999 | US5934979 Chemical mechanical polishing apparatus using multiple polishing pads |
| 08/04/1999 | CN2331478Y Combined handle electric abrasive belt machine |
| 08/03/1999 | US5931726 For holding a fixture plate on a grinder |
| 07/29/1999 | DE19817620C1 Belt grinder for surface finishing |
| 07/28/1999 | EP0673298B1 Locking mechanism for multiple belt grinding machine |
| 07/27/1999 | US5928068 Superfinishing apparatus using film abrasive |
| 07/14/1999 | CN1222429A Wafer carrier head with inflatable bladder and attack angle control for polishing |
| 06/29/1999 | US5916014 Oscillating belt/spindle sander |
| 06/29/1999 | US5916012 Control of chemical-mechanical polishing rate across a substrate surface for a linear polisher |
| 06/24/1999 | WO1999030870A1 Automated deburring assembly |
| 06/22/1999 | US5913716 Method of providing a smooth surface on a substrate |
| 06/16/1999 | CN1219453A Modular wafer polishing apparatus and method |