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| Number | Title | Issue Date |
| 7438628 | Device and control unit for belt sanding systems A belt sanding system comprising a segmented sanding block including a plurality of individually controllable segments and one or more sanding belt deflecting rollers, a plurality of sensing elements corresponding to the plurality of segments, and a device for inter... | 10/21/2008 |
| 7422515 | Wide belt sander A wide belt sander has a base, a driving axle, a driving device, a driven axle bracket, a driven axle, a belt and an automatic adjustment device. The driving axle is rotatably mounted on the base and has a central axis. The driving device is mounted on the base and ... | 09/09/2008 |
| 7371159 | Devices with angularly adjustable sanding units The invention describes devices consisting of a combination of oblique to feed direction aligned belt sanding assemblies, with drives or devices for low sanding belt speeds and/or with conventional, or modified for sanding belt oblique operation, electronic segmente... | 05/13/2008 |
| 7241207 | Grinding machine and method for grinding a workpiece Disclosed is a grinding machine comprising oscillating driving means (3, 4) for setting grinding means (1) into an oscillating grinding motion and an actuation device (7) that is provided with a plurality of actuation areas (8) which can ... | 07/10/2007 |
| 7238543 | Methods for marking a bare semiconductor die including applying a tape having energy-markable properties A method used for marking a semiconductor wafer or device. The method and apparatus have particular application to wafers or devices which have been subjected to a thinning process, including backgrinding in particular. The present method comprises reducing the cros... | 07/03/2007 |
| 7235002 | Method and system for making glass sheets including grinding lateral edge(s) thereof A method and system for making glass sheets is provided. At least one grinding wheel is provided for grinding a lateral edge of a glass sheet. An airbag and corresponding air pressure regulator are provided for biasing the grinding wheel against the lateral edge of ... | 06/26/2007 |
| 7207865 | Apparatus for machining workpieces, in particular workpieces provided with cutting teeth In an apparatus for machining workpieces, in particular workpieces provided with cutting teeth, such as bandsaw blades or circular-saw blades for example, comprising a base (12), a machining device (18) displaceable relative to the base (12) and... | 04/24/2007 |
| 7094618 | Methods for marking a packaged semiconductor die including applying tape and subsequently marking the tape The present invention provides a method and apparatus for marking a semiconductor wafer or device. The method and apparatus have particular application to wafers or devices which have been subjected to a thinning process, including backgrinding in particular. The pr... | 08/22/2006 |
| 7090560 | System and method for detecting abrasive article orientation Systems and methods control abrading operations of an abrading machine by sensing characteristics of an abrading article installed on the abrading machine. When a problem is discovered by sensing the article, appropriate actions may be taken. As one example, the abr... | 08/15/2006 |
| 7025666 | Belt sander having sand belt replacement apparatus A belt sander includes a main frame, a drive roller, a driven roller, a sand belt, and a sand belt replacement apparatus. Thus, the user only needs to rotate the control handle to move the driven roller relative to the drive roller so as to change the distance betwe... | 04/11/2006 |
| 6988934 | Method and apparatus of a variable height and controlled fluid flow platen in a chemical mechanical polishing system An apparatus for use in a chemical mechanical planarization (CMP) system is provided. The apparatus includes a platen capable of introducing fluid beneath a polishing pad and a platen support cover configured to surround the platen. The platen is disposed at a first... | 01/24/2006 |
| 6913512 | Material removal monitor A material removal optimizing system for a wood surface treating apparatus with a plurality of individual work stations arranged serially along an endless conveyor. Each station includes a working abrasive head along with an elevation adjustment mechanism for adjust... | 07/05/2005 |
| 6913521 | Methods using active retainer rings for improving edge performance in CMP applications An invention improves edge performance in chemical mechanical polishing processes. A method operation provides a wafer head above a wafer. The wafer head includes a first active retaining ring capable of extension and retraction. Another operation provides a polishi... | 07/05/2005 |
| 6863601 | Sand-belt finishing machine having lift device A sand-belt finishing machine includes a main frame, at least one grinding device, a conveyor platform mounted between the grinding device and the main frame, and a lift device mounted between the conveyor platform and the main frame for adjusting the position of th... | 03/08/2005 |
| 6796884 | Abrasivity control of magnetic media using burnishing techniques In one embodiment, the invention is directed to techniques for controlling the abrasivity of magnetic tape without modifying the coating formulas used to create the magnetic tape. For example, the invention may involve controlling or adjusting the abrasivity of magn... | 09/28/2004 |
| 6776695 | Platen design for improving edge performance in CMP applications An invention is disclosed for improving edge performance in a chemical mechanical polishing process is disclosed. The system includes a wafer head disposed above a wafer, where the wafer head includes a first active retaining ring capable of extension and retraction... | 08/17/2004 |
| 6769958 | Material removal monitor A belt wear optimizing system for a wood surface treating apparatus with a plurality of individual work stations arranged serially along an endless conveyor. Each station includes a working abrasive head along with an elevation control for adjustably positioning the... | 08/03/2004 |
| 6752706 | Adjusting device for the sanding drum of a double-drum sander An adjusting device for the sanding drum of a double-drum sander is installed between the opposite ends of the rear grinding drum and the machine frame of a sander for adjusting a rear sanding drum to a most suitable height to match with the size number of the emery... | 06/22/2004 |
| 6634925 | Width utilization prompter/monitor system for wide-belt abrasive machines A prompter/monitor system for use in combination with wide-belt abrasive surface treating apparatus and including an array of individual axially spaced apart signal generating workpiece sensors operatively positioned across the width of the belt with each... | 10/21/2003 |
| 6634926 | Width utilization prompter/monitor system for wide-belt abrasive machines A prompter/monitor system for use in combination with wide-belt abrasive surface treating apparatus and including an array of individual axially spaced apart signal generating workpiece sensors operatively positioned across the width of the belt with each... | 10/21/2003 |
| 6585576 | Rollers' position moving device for a sand belt machine A rollers' position moving device for a sand belt machine includes a conveyor in the machine, a sand belt, and plural rollers moving the sand belt. The rollers are deposited across on the conveyor. Further, a first wheel and a second wheel are pivotally c... | 07/01/2003 |
| 6544108 | Apparatus for in-line surface polishing of cylindrical stock such as stainless steel tubing, and method A surface finishing apparatus for in-line outer surface polishing of elongate cylindrical metal stock to apply a long scratch finish, including a stock feeder for feeding a length of stock through the finishing apparatus from an infeed downstream to an ou... | 04/08/2003 |
| 6358132 | Apparatus for grinding spherical objects Disclosed is an apparatus for grinding spherical objects into an exact spherical shape. The sphere-reshaping apparatus comprises a grinding section equipped with means for grinding spherical objects, an inlet section equipped with means for feeding spheri... | 03/19/2002 |
| 6342000 | Sander having a vibrating mechanism A sander includes a roller rotatably secured to a support, a bracket rotatably supported on the support at a pivot pin, another roller rotatably secured to the bracket, a sander belt engaged around the rollers. One of the rollers is rotated about the supp... | 01/29/2002 |
| 6336843 | Electronic component chip feeder and manufacturing method of electronic devices using electronic component chips An electronic component chip feeder enabling to feed electronic component chips in which electrodes on the outer surfaces thereof can be cleanly maintained and the reliability of electrical connections is excellent even when miniaturizing thereof is promo... | 01/08/2002 |
| 6322428 | Working device and working method for magnet member A working apparatus of a magnet member comprises: a transfer path for guiding magnet members to be ground in one direction; transfer means for pushing the plurality of magnet members in a transfer direction to continuously send out the magnet members to t... | 11/27/2001 |
| 6299517 | Belt sanding machine In a band grinding machine, especially well adapted for grinding wooden frames having transverse and longitudinal wooden pieces, a support table in the form of an endless belt transports the frames in an advancement direction, a transverse grinding assemb... | 10/09/2001 |
| 6299512 | Belt sander with orbitally translated abrasive belt A sanding machine for sanding the surfaces of work pieces placed upon a conveyor that transports the work pieces along a first direction towards and beneath a sanding head. The sanding head comprises a sanding belt entrained around an upper tension roller... | 10/09/2001 |
| 6290570 | Belt grinding machine A belt grinding machine has a grinding belt continuously guided about at least two deflection rollers 2, a pressure shoe 3 that presses the grinding belt 1 against a workpiece 8 by a contact pressure apparatus. The belt grinding machine also has a contact... | 09/18/2001 |
| 6217427 | Mobius strip belt for linear CMP tools A tool for the linear polishing of substrates includes an endless belt of continuous strength wrapped substantially as a helix of predetermined length and width with a 180 degree twist along the length to increase by a factor of 2× the time interval betw... | 04/17/2001 |
| 6135866 | Grinding device for tools A grinding device includes a grinding member disposed on a base, and a board rotatably supported in the base at a shaft. An axle is rotatably secured in the board for supporting the tools. A spring is coupled between the base and the board for moving the ... | 10/24/2000 |
| 6132297 | Conveying system for conveying substantially cylindrical objects such as nuclear fuel pellets For conveying in single file and in a lying position substantially cylindrical objects such as nuclear fuel pellets (P) in a substantially horizontal, non-linear path, a conveying system (20) is proposed, which comprises an endless belt (26) running over ... | 10/17/2000 |
| 6129615 | Deburring machine A deburring machine having a work table with a side guide mounted thereto so as to define a first work zone for the lower peripheral edge of the cylindrical workpiece. A continuous elongated belt having an abrasive surface is mounted to the work table so ... | 10/10/2000 |
| 6106388 | Belt guide member A belt guide member for guiding an abrasive belt on a rotary drum sander. The belt guide member includes a slot for accommodating an edge of the abrasive belt. The belt guide member may have two slots, such that when one slot of the member has been used a... | 08/22/2000 |
| 6102781 | Automatically securable travel limiting stops for pressure shoes used in an abrasive finishing machine An improved method and device for performing setup and adjustment of pressure shoes used in an abrasive finishing machine. The setup of the pressure shoe stop limit device is performed automatically and remotely. The stop limit is hydraulically locked in ... | 08/15/2000 |
| 6089958 | Belt sander with orbitally translated abrasive belt A sanding machine for sanding the surfaces of work pieces placed upon a conveyor that transports the work pieces along a first direction towards and beneath a sanding head. The sanding head comprises a sanding belt entrained around an upper tension roller... | 07/18/2000 |
| 6001004 | Panel sanding machine with automatic changing and cleaning of the abrasive belt A panel sanding machine comprises an abrasive belt and a pad mounted by the machine in such a way that it rotates in orbital fashion around an axis transverse to the plane in which the panels lie and presses the abrasive belt against the panel being machi... | 12/14/1999 |
| 5997388 | Apparatus for removing marks from integrated circuit devices A de-marking apparatus and method are provided for de-marking a marked packaged integrated circuit (IC). The de-marking apparatus comprises a de-marking head for removing a thin layer of material from the marked surface. The apparatus may also include mec... | 12/07/1999 |
| 5512009 | Method and apparatus for attenuating optical chatter marks on a finished surface A method and apparatus is provided for reducing optical chatter for use with a machine that is adapted to perform an operation on a surface of a workpiece by bringing a rotating roller into contact with the surface as the workpiece is advanced past the ro... | 04/30/1996 |
| 5307593 | Method of texturing rigid memory disks using an abrasive article A method for texturing magnetic recording media substrates which have a thin-film metal or metal alloy coating plated onto a substrate using an abrasive composite bonded to a porous backing.... | 05/03/1994 |
