Patents for B24B 21 - Machines or devices using grinding or polishing belts; Accessories therefor (4,476)
10/2004
10/19/2004US6805622 Ski sharpening arrangement
10/14/2004US20040204478 Novel benzothiepines having activity as inhibitors of ileal bile acid transport and taurocholate uptake
10/12/2004US6802759 Grinder
10/07/2004US20040198185 Linear polishing sheet with window
10/07/2004US20040198181 Polishing apparatus with abrasive tape, polishing method using abrasive tape and manufacturing method for magnetic disk
10/07/2004US20040195658 Chamfered freestanding nitride semiconductor wafer and method of chamfering nitride semiconductor wafer
10/07/2004DE10314695A1 Belt sander has guide projection extended along length of sanding belt to engage into guide groove formed around cylinder, aligning sanding belt
10/07/2004DE102004012965A1 Vorrichtung zum Schleifen eines Werkstücks An apparatus for grinding a workpiece
10/06/2004EP1464442A1 Chamfered freestanding nitride semiconductor wafer and method of chamfering nitride semiconductor wafer
10/06/2004CN1534734A Nitride semiconductor substrate with ground edge and edge processing method
10/06/2004CN1170305C Substrate cleaner
10/05/2004US6800020 Web-style pad conditioning system and methods for implementing the same
09/2004
09/30/2004US20040188244 Electro-chemical machining apparatus
09/29/2004CN1168573C Automatic band regulation mechanism
09/28/2004US6796880 Linear polishing sheet with window
09/23/2004US20040185751 Substrate processing apparatus
09/22/2004EP1459358A1 Methods and apparatus for conditioning and temperature control of a processing surface
09/22/2004EP1458520A1 Methods for planarization of group viii metal-containing surfaces using a fixed abrasive article
09/21/2004US6793565 Orbiting indexable belt polishing station for chemical mechanical polishing
09/21/2004US6793558 Method and apparatus for planarizing a microelectronic substrate with a tilted planarizing surface
09/15/2004EP1455988A1 Air platen for leading edge and trailing edge control
09/14/2004US6790128 Fluid conserving platen for optimizing edge polishing
09/10/2004WO2004042529A3 Method and apparatus for processing sliders for use in disk drives and the like
09/09/2004US20040176013 Multi-chambered, compliant apparatus for restraining workpiece and applying variable pressure thereto during lapping to improve flatness characteristics of workpiece
09/09/2004US20040173293 Surface treatment of steel sheet for adhesive strength between sheets for lamination. It is for unwinding coiled steel and a cleaner for acid pickling for pickling hot rolled steel
09/09/2004DE4310887B4 Vorrichtung zum endseitigen Ausformen von rohrförmigen Werkstücken mit unterschiedlichen Durchmessern A device for end shaping of tubular workpieces with different diameters
09/08/2004EP0852063B1 Method of modifying an exposed surface of a semiconductor wafer
09/08/2004CN2638923Y Small polishing machine
09/08/2004CN2638922Y Abrasive belt polishing machine with grinding and dust removing device
09/07/2004US6786810 Curing abrasive coating having a backing to make transparent to visible light
09/07/2004US6786805 Method and apparatus for planarizing a microelectronic substrate with a tilted planarizing surface
08/2004
08/31/2004US6784201 Benzothiepines having activity as inhibitors of ileal bile acid transport and taurocholate uptake
08/26/2004US20040166776 Surface finishing apparatus and related method
08/26/2004US20040166767 Lapping apparatus and lapping method
08/26/2004DE202004009334U1 Grinding machine belt carrier has support layer with inside and outside, several spaced part support components being positioned on outside
08/18/2004EP1447172A1 Surface finishing apparatus and method
08/18/2004EP1447171A1 Surface finishing apparatus and method
08/18/2004EP1447170A1 Surface finishing apparatus and related method
08/18/2004EP1349703B1 Belt polishing device with double retainer ring
08/18/2004CN1520962A Surface finishing apparatus and related method
08/18/2004CN1520961A Lapping apparatus and lapping method
08/18/2004CN1520960A Lapping apparatus and lapping method
08/17/2004US6776695 Platen design for improving edge performance in CMP applications
08/12/2004US20040157531 End-point detection apparatus
08/12/2004US20040157530 Lapping apparatus and lapping method
08/11/2004EP1349704B1 Polishing platen with pressurized membrane
08/11/2004CN2631695Y Reel structure with adjustable angle for sand belt machine
08/11/2004CN2631694Y Planetary belt polisher
08/11/2004CN1520348A End point detection system for mechanical polishing applications
08/11/2004CN1161210C Hand operated belt sander
08/11/2004CN1161209C Hand-held grinding machine
08/03/2004US6769974 Sand-belt finishing machine having a sand-belt replacement mechanism
08/03/2004US6769970 Fluid venting platen for optimizing wafer polishing
08/03/2004US6769958 Material removal monitor
08/03/2004CA2108417C Ceramic air-cooled smoothing bar
07/2004
07/29/2004US20040147207 Support bodies and method for improving wear and tear on support bodies in large scale grinders
07/29/2004US20040144224 Determination positioning of seam; removal excess; smoothness; uniform performance
07/28/2004EP1440766A1 An apparatus for abrasively cleaning and descaling the surface of elongated objects
07/28/2004EP1439935A2 Electrochemical mechanical processing with advancible sweeper
07/27/2004US6767428 Method and apparatus for chemical mechanical planarization
07/21/2004CN2626668Y Pneumatic control valve for carpentry grinder
07/21/2004CN1514760A Adjustable force applying air platen, spindle system and its use
07/14/2004CN2625107Y Travel mechanism for carrying buffing machine
07/13/2004US6761626 Air platen for leading edge and trailing edge control
07/13/2004US6761620 Finishing pad design for multidirectional use
07/13/2004US6761617 Method and apparatus for machining joint face of work
07/13/2004CA2075106C Planing machine for wood floors
07/07/2004CN1156630C Apparatus and method for grinding webs made of fiber material
07/06/2004US6758726 Partial-membrane carrier head
07/01/2004US20040127144 Method and apparatus for controlling CMP pad surface finish
06/2004
06/30/2004EP1433568A1 Idler assembly for a sanding/polishing device
06/30/2004CN1509221A Support bodies and method for improving wear and tear on support bodies in large-scale grinders
06/29/2004US6755727 Sanding block for receiving sanding belt
06/29/2004US6755722 Method of chemical mechanical texturing
06/24/2004US20040121866 Idler assembly for a sanding/polishing device
06/24/2004US20040121710 Method and apparatus for conditioning a polishing pad
06/23/2004EP1432017A1 Polishing head and semiconductor wafer end face polishing machine
06/23/2004CN2621111Y Automatic regulating device for abrasive belt tension of abrasive belt grinder
06/22/2004US6752898 Method and apparatus for an air bearing platen with raised topography
06/22/2004US6752706 Adjusting device for the sanding drum of a double-drum sander
06/22/2004US6752698 Method and apparatus for conditioning fixed-abrasive polishing pads
06/17/2004US20040116050 Method and apparatus for chemical-mechanical planarization of microelectronic substrates with a carrier and membrane
06/16/2004EP1124664B1 Hand-held grinding machine
06/15/2004US6749492 Rotary sanding machine with a dust collecting mechanism
06/15/2004US6749491 CMP belt stretch compensation apparatus and methods for using the same
06/15/2004US6749489 Method and apparatus for planarizing and cleaning microelectronic substrates
06/09/2004EP1425136A1 Platen assembly having a topographically altered platen surface
06/09/2004CN1503332A Method for polishing semiconductor wafer and polishing pad for the same
06/08/2004US6746320 Linear reciprocating disposable belt polishing method and apparatus
06/03/2004US20040106363 Substrate processing apparatus
06/03/2004US20040104200 Methods for finishing microelectronic device packages
06/03/2004DE10102184B4 Verfahren und Vorrichtung zur automatischen Feinstbearbeitung von Oberflächen Method and apparatus for automatic precision machining of surfaces
06/01/2004US6743084 Emery polishing machine
06/01/2004US6743077 Wide-wheel grinding machine
05/2004
05/27/2004DE10349317A1 Texturieren von Substraten für magnetische Platten Texturing substrates for magnetic disks
05/26/2004CN1500030A Method and appts. for end point triggering with integrated steering
05/26/2004CN1500028A Device for controlling eveness of edge polishing
05/25/2004US6739952 Method and apparatus for planarizing a microelectronic substrate with a tilted planarizing surface
05/25/2004US6739948 Synchronous tape head polishing device and method
05/21/2004WO2004042529A2 Method and apparatus for processing sliders for use in disk drives and the like
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