| Patents for B24B 21 - Machines or devices using grinding or polishing belts; Accessories therefor (4,476) |
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| 03/30/2005 | CN1600499A Method for dull polishing and milling polishing cathode roll of electrolytic copper toil |
| 03/29/2005 | US6872131 Method and apparatus for chemical-mechanical planarization of microelectronic substrates with a carrier and membrane |
| 03/22/2005 | US6869345 Method and apparatus for chemical-mechanical planarization of microelectronic substrates with a carrier and membrane |
| 03/17/2005 | US20050059326 Shaping pulley assembly for belt notching machine |
| 03/17/2005 | DE10346202A1 Maschine zur Bandschleifbearbeitung von Werkstückoberflächen eines Werkstücks Machine for belt grinding machining of the workpiece surfaces of a workpiece |
| 03/16/2005 | EP1514643A1 Process for finishing the surface of revoluton of shafts |
| 03/16/2005 | EP1514642A2 Apparatus and method for finishing shafts, especially crank- and camshafts |
| 03/16/2005 | EP1514641A1 Apparatus for Finishing Shafts, particularly Crank- and Camshafts |
| 03/16/2005 | EP1514640A2 Method and apparatus for finishing shafts, especially crank- and camshafts |
| 03/16/2005 | CN1192856C Oscillating fixed abrasive CMP system and methods for implementing the same |
| 03/10/2005 | US20050054466 Idler assembly for a sanding/polishing device |
| 03/08/2005 | US6863601 Sand-belt finishing machine having lift device |
| 03/03/2005 | WO2005018877A1 Devices for altering the position of the scanning element unit on inclined installation of a segmented grinding platen and controller for control thereof |
| 03/03/2005 | WO2005018876A1 Control of a grinding device with grinding rollers on winding shafts |
| 03/02/2005 | EP1509334A1 Apparatus and method for painting objects such as profiles, panels or suchlike |
| 03/02/2005 | CN1586813A Zero setting device and zero setting method for sander dynamic workpiece and sand belt |
| 02/24/2005 | DE10333500A1 Method for grinding and polishing of workpieces of brittle material, in particular, for production of high-precision optical surfaces involves use of a moving flexible element and a pressure application device |
| 02/23/2005 | CN2680403Y Dust collection type abrasive belt wheelhead |
| 02/23/2005 | CN1583315A Process for the manufacture of forgings by precision forging |
| 02/22/2005 | US6857947 Advanced chemical mechanical polishing system with smart endpoint detection |
| 02/17/2005 | US20050037692 Assembly and method for generating a hydrodynamic air bearing |
| 02/17/2005 | DE10332605A1 Contact pressure device for pressing strips against workpieces has blade-shaped bendable contact pressure element with two parallel guide elements for guiding the strip |
| 02/16/2005 | EP1506839A1 Finishing tool |
| 02/16/2005 | EP1506837A1 Belt grinding machine for surface grinding of a work piece |
| 02/16/2005 | CN2678822Y Graphite lubrication lining cloth |
| 02/15/2005 | US6855038 Shaping pulley assembly for belt notching machine |
| 02/09/2005 | CN1577759A Method for managing polishing apparatus |
| 02/09/2005 | CN1577758A Polishing pad, polishing apparatus and method for polishing wafer |
| 02/08/2005 | US6852017 Method and apparatus for chemical-mechanical planarization of microelectronic substrates with a carrier and membrane |
| 02/03/2005 | WO2005009682A1 Methods and apparatus for edge finishing glass sheets |
| 02/02/2005 | CN2675335Y Emery cloth polishing wheel |
| 02/01/2005 | US6848982 Tubular workpiece notching machine usable for general grinding operations |
| 02/01/2005 | US6848978 Method of finishing a belt seam using an abrasive finishing machine, a method of finishing a belt seam using an abrasive finishing machine having a plurality of finishing heads, and a method of finishing a belt seam using an abrasive finishing machine having first, second, third and fourth finishing heads |
| 01/27/2005 | US20050020193 Methods and apparatus for edge finishing glass sheets |
| 01/27/2005 | US20050016868 Providing a wafer electrical connection by holding the conductive surface against the surface of the belt pad, applying a potential difference between the electrode and the wafer electrical connection and establishing a relative motion between the surface of the belt pad and the wafer |
| 01/26/2005 | EP1500444A1 Process for the manufacture of forgings by precision forging |
| 01/26/2005 | CN2673566Y Oscillating device of abrasive finishing machine |
| 01/26/2005 | CN1571015A Multi-chambered, compliant apparatus for restraining workpiece and applying variable pressure thereto during lapping to improve flatness characteristics of workpiece |
| 01/25/2005 | US6846229 Handheld retractable pull-through knife sharpener |
| 01/25/2005 | US6846227 Electro-chemical machining appartus |
| 01/25/2005 | US6846222 Multi-chambered, compliant apparatus for restraining workpiece and applying variable pressure thereto during lapping to improve flatness characteristics of workpiece |
| 01/20/2005 | US20050014373 Method for managing polishing apparatus |
| 01/19/2005 | EP1497076A1 Method and apparatus for heating polishing pad |
| 01/18/2005 | US6843706 Polishing apparatus |
| 01/13/2005 | US20050009457 Hand-held endless belt abrading machine |
| 01/13/2005 | US20050009452 Orbiting indexable belt polishing station for chemical mechanical polishing |
| 01/12/2005 | EP1469971A4 Grooved rollers for a linear chemical mechanical planarization system |
| 01/12/2005 | EP1455988A4 Air platen for leading edge and trailing edge control |
| 01/12/2005 | CN2670054Y Reciprocal up-down grinder |
| 01/12/2005 | CN1562565A High performance mirror polish equipment with double grinding heads and technique method of mirror polish |
| 01/11/2005 | US6840878 Idler assembly for a sanding/polishing device |
| 01/06/2005 | WO2005000523A2 Non glazing dressing wheel |
| 01/05/2005 | EP1214175B1 Unsupported polishing belt for chemical mechanical polishing |
| 01/04/2005 | US6837964 Integrated platen assembly for a chemical mechanical planarization system |
| 01/04/2005 | US6837779 Chemical mechanical polisher with grooved belt |
| 01/04/2005 | US6837774 Linear chemical mechanical polishing apparatus equipped with programmable pneumatic support platen and method of using |
| 12/30/2004 | US20040266322 Polishing pad, polishing apparatus and method for polishing wafer |
| 12/30/2004 | DE202004016488U1 Hand held grinding machine with endless belt, has plates on belt guide rolls to prevent belt from slipping off |
| 12/29/2004 | EP1490830A1 Abrasive articles and methods for the manufacture and use of same |
| 12/29/2004 | CN2666607Y Rough grinding rubber-covered roller for electric abrasive finishing machine |
| 12/29/2004 | CN2666606Y Grinding device for electric abrasive finishing machine |
| 12/29/2004 | CN1182724C Method and apparatus for compressing and decompressing image signals |
| 12/28/2004 | US6835122 Device for grinding an external sleeve surface |
| 12/23/2004 | US20040259477 Pad conditioner control using feedback from a measured polishing pad roughness level |
| 12/23/2004 | DE102004007747B3 Grinding machine belt carrier has support layer with inside and outside, several spaced part support components being positioned on outside |
| 12/22/2004 | EP1489652A2 Method of modifying a surface of a semiconductor wafer |
| 12/22/2004 | CN2664835Y Delivery platform lift device of abrasive belt polisher |
| 12/21/2004 | US6833046 Planarizing machines and methods for mechanical and/or chemical-mechanical planarization of microelectronic-device substrate assemblies |
| 12/09/2004 | US20040248508 Controlled penetration subpad |
| 12/09/2004 | DE19829690B4 Feinstbearbeitungsvorrichtung The finishing |
| 12/08/2004 | EP1483785A1 Method and apparatus for integrated chemical mechanical polishing of copper and barrier layers |
| 12/08/2004 | EP1483182A2 Reinforced chemical mechanical planarization belt |
| 12/02/2004 | WO2004103639A1 Method and device for sanding planar objects |
| 12/02/2004 | US20040242136 Air platen for leading edge and trailing edge control |
| 12/02/2004 | US20040242131 System and method for edge blending hard drive head sliders |
| 12/02/2004 | US20040241379 where fine texturing marks are precisely formed in the radial direction and there are no abnormal protrusions; adding a polishing slurry to the substrate, pressing a polishing tape on the surface and running it in a direction opposite the rotation |
| 12/02/2004 | US20040238493 Method for chemical mechanical planarization |
| 12/01/2004 | EP1481761A1 Finishing machine for crankshafts and camshafts |
| 11/30/2004 | US6824451 Process for the abrasive machining of surfaces, in particular of semiconductor wafers |
| 11/25/2004 | US20040235399 Method using active retainer rings for improving edge performance in CMP applications |
| 11/25/2004 | US20040235391 Material removal monitor |
| 11/18/2004 | WO2004100133A1 System and method for edge blending hard drive head sliders |
| 11/18/2004 | US20040229553 Method, apparatus, and tools for precision polishing of lenses and lens molds |
| 11/17/2004 | EP1476276A1 Method and wide-strip sanding machine for sanding sheet-type materials |
| 11/16/2004 | US6817928 Method and apparatus for planarizing and cleaning microelectronic substrates |
| 11/11/2004 | US20040224610 CMP belt stretch compensation apparatus and methods for using the same |
| 11/10/2004 | EP1474715A1 Process for finish-abrading optical-fiber-connector end-surface |
| 11/10/2004 | CN2654278Y Artificial stone special electric abrasive finishing machine |
| 11/10/2004 | CN2654277Y Electric abrasive finishing machine |
| 11/03/2004 | EP1472047A1 Advanced chemical mechanical polishing system with smart endpoint detection |
| 11/03/2004 | CN2652595Y Regulating tensioning mechanism of polishing machine |
| 11/03/2004 | CN2652594Y Grinding mechanism improvement of sand belt machine |
| 11/03/2004 | CN1173802C Abrasive belt grinding machine |
| 10/28/2004 | WO2004091855A2 System for replacement of sheet abrasive |
| 10/28/2004 | CA2522065A1 System for replacement of sheet abrasive |
| 10/27/2004 | EP1469971A2 Grooved rollers for a linear chemical mechanical planarization system |
| 10/26/2004 | US6808442 Apparatus for removal/remaining thickness profile manipulation |
| 10/21/2004 | US20040209559 Chemical mechanical polishing apparatus with rotating belt |
| 10/21/2004 | US20040209553 Synchronous tape head polishing device and method |
| 10/20/2004 | EP1135236B1 Reverse linear polisher with loadable housing |