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| Number | Title | Issue Date |
| 7387118 | Wire saw The invention provides a wire saw in which wire tension fluctuations occurring in swinging of a row of wires can be accommodated to thereby increase a velocity of the wire and to carry out cutting with efficiency and precision by utilizing swinging of the row of wir... | 06/17/2008 |
| 7374470 | Knife sharpening apparatus A sharpening apparatus having at least one guide slot, a drive pulley drivingly coupled to a frame and at least one idler pulley rotatably coupled to a support member. The support member is pivotably coupled to the frame. The apparatus includes an endless abrading b... | 05/20/2008 |
| 7364498 | Double armed finishing tool for tubing materials A belt grinding finishing tool incorporates a pair of mounting arms projecting forwardly from a drive housing to support a single abrasive belt entrained around drive and idler pulleys. The first mounting arm is positionally fixed relative to the drive housing, but ... | 04/29/2008 |
| 7341502 | Methods and systems for planarizing workpieces, e.g., microelectronic workpieces Planarizing workpieces, e.g., microelectronic workpieces, can employ a process indicator which is adapted to change an optical property in response to a planarizing condition. This process indicator may, for example, change color in response to reaching a particular... | 03/11/2008 |
| 7322878 | Belt grinder and attachment for grinding pipe ends A belt grinder includes a motor, a driving disc, a contact disc, a grinding belt, and a housing, where the motor and the driving disc are moveable with respect to the contact disc in order to vary the distance between the axis of the contact disc and the axis of the... | 01/29/2008 |
| 7300339 | Covering device A covering device (2) for a power tool (4) for driving a circular working tool (6) includes a cover (8) for enclosing the circular working tool (6), a guide member (18) pivotally supported on the cover (8) for being p... | 11/27/2007 |
| 7273410 | Guiding and pressing device for a belt sander A guiding and pressing device for a belt sander includes two triangular guiding blocks or sheet-like inclined guiding blocks, which are disposed at suitable positions on a front side frame of the sander and near to a circulating path of a sand belt. The two guiding ... | 09/25/2007 |
| 7223163 | Cover device for a power tool A cover device for partially covering a disc-shaped working tool includes a bearing member (22) forming a receiving space (54) for receiving the shielding member (10) of the working tool and having an inner surface (24) against which an o... | 05/29/2007 |
| 7144304 | Method and apparatus for planarizing a microelectronic substrate with a tilted planarizing surface A method and apparatus for planarizing a microelectronic substrate. In one embodiment, the apparatus can include an elongated, non-continuous polishing pad oriented at an angle relative to the horizontal to allow planarizing liquids and materials removed from the mi... | 12/05/2006 |
| 7131897 | Portable rail cutting apparatus A portable rail cutting apparatus is presented herein. The portable rail cutting apparatus comprises a housing encasing a motor, the motor configured to drive a rotary abrasive blade, a drive pulley coupled to the motor, a driven pulley coupled to the rotary abrasiv... | 11/07/2006 |
| 7115023 | Process tape for cleaning or processing the edge of a semiconductor wafer A wafer bevel processing apparatus comprises a plurality of rollers for rotatably supporting a wafer, first process roller, a second process roller, and a process tape extending between the first process roller and the second process roller. The first and second pro... | 10/03/2006 |
| 7089925 | Reciprocating wire saw for cutting hard materials The present invention features a reciprocating wire saw particularly adapted or configured for cutting hard materials. In one aspect, the reciprocating wire saw comprises (a) a flexible wire; (b) a plurality of cutting segments fittable onto the flexible wire, where... | 08/15/2006 |
| 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 |
| 7066787 | Substrate processing apparatus A substrate processing apparatus is used for removing surface irregularities occurring on a peripheral portion (a bevel portion, an edge portion, and a notch) of a substrate, such as a semiconductor wafer, and films deposited as a contaminant on the peripheral porti... | 06/27/2006 |
| 7063603 | Method and apparatus for cleaning a web-based chemical mechanical planarization system A method and apparatus for cleaning a web-based chemical-mechanical planarization (CMP) system. Specifically, a fluid spray bar is coupled to a frame assembly which may be mounted on a CMP system. The fluid spray bar will move along the frame assembly. As the fluid ... | 06/20/2006 |
| 7063595 | Method and apparatus for planarizing a microelectronic substrate with a tilted planarizing surface A method and apparatus for planarizing a microelectronic substrate. In one embodiment, the apparatus can include an elongated, non-continuous polishing pad oriented at an angle relative to the horizontal to allow planarizing liquids and materials removed from the mi... | 06/20/2006 |
| 7059947 | Portable rail cutting apparatus A portable rail cutting apparatus is presented herein. The portable rail cutting apparatus comprises a housing encasing a motor, the motor configured to drive a rotary abrasive blade, a drive pulley coupled to the motor, a driven pulley coupled to the rotary abrasiv... | 06/13/2006 |
| 7052380 | Sanding station for a belt sanding machine A sanding station for a belt sanding machine includes at least an endless sanding belt guided over deflection rollers and a pressure segment belt circulating within the sanding belt for pressing the sanding belt against the workpiece. The running direction of the pr... | 05/30/2006 |
| 7052381 | Belt sander having tension adjustment mechanism A belt sander includes a frame, a support seat, a first wheel rod, a second wheel rod, a sand belt, an adjusting unit, and an operation unit. Thus, the operation handle of the operation unit is rotated to rotate the drive shaft which rotates the drive bevel gear whi... | 05/30/2006 |
| 7044844 | Shaping pulley assembly for belt notching machine A shaping pulley assembly (6) for a belt notching machine, including on a frame (1) a pair of driving and shaping pulleys (3, 4) for a grinding belt (5), includes a shaping pulley holder element (9) like a fork supported by the fra... | 05/16/2006 |
| 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 |
| 7017910 | Card game A game, including a plurality of Message Cards. In another aspect, a method of playing a card game, including providing a plurality of Message Cards to each player and each player in his or her turn providing one or more Message Cards from his or her hand to one or ... | 03/28/2006 |
| 7011566 | Methods and systems for conditioning planarizing pads used in planarizing substrates Monitoring the process of planarizing a workpiece, e.g., conditioning a CMP pad, can present some difficulties. Aspects of this invention provide methods and systems for monitoring and/or controlling such a planarization cycle. For example, a control system may moni... | 03/14/2006 |
| 7008303 | Web lift system for chemical mechanical planarization Generally, a method and system for lifting a web of polishing material is provided. In one embodiment, the system includes a platen that has a first lift member disposed adjacent to a first side and a second lift member disposed adjacent to a second side. The platen... | 03/07/2006 |
| 6997789 | Method and apparatus for planarizing a microelectronic substrate with a tilted planarizing surface A method and apparatus for planarizing a microelectronic substrate. In one embodiment, the apparatus can include an elongated, non-continuous polishing pad oriented at an angle relative to the horizontal to allow planarizing liquids and materials removed from the mi... | 02/14/2006 |
| 6971137 | Floor maintenance machine with air-cooled motor A burnishing machine having a burnishing motor in a motor compartment covered with a hood defining an air plenum having at least one air inlet positioned near the top of the hood spaced from the floor. The plenum includes a discharge outlet immediately adjacent the ... | 12/06/2005 |
| 6951511 | Platen with peripheral frame for supporting a web of polishing material in a chemical mechanical planarization system Generally, a method and apparatus for supporting a web of polishing material. In one embodiment, the apparatus includes a platen adapted to support the web, a frame assembly, and one or more flexures coupled between the platen and the frame assembly. The flexure all... | 10/04/2005 |
| 6945855 | Method and apparatus for cleaning a web-based chemical mechanical planarization system A method and apparatus for cleaning a web-based chemical-mechanical planarization (CMP) system. Specifically, a fluid spray bar is coupled to a frame assembly which may be mounted on a CMP system. The fluid spray bar will move along the frame assembly. As the fluid ... | 09/20/2005 |
| 6935216 | Belt tensioning device A belt tensioning device for shifting a pulley such that a belt passed around the pulley is tightened to a predetermined tension. The device includes a rod coupled to the pulley, a member coupled to and movable along the rod, and a spring that exerts a reactive forc... | 08/30/2005 |
| 6908368 | Advanced Bi-directional linear polishing system and method The present invention describes a chemical mechanical polishing apparatus and method that uses a portion of a polishing pad that is disposed under tension between a supply spool and a receive spool, with a motor providing the tension to either the supply spool or th... | 06/21/2005 |
| 6899594 | Relative lateral motion in linear CMP Apparatus and methods are disclosed that promote greater polishing uniformity in linear CMP systems by introducing a relative lateral motion between a CMP belt and a rotating polish head securing a wafer. A belt polish module comprises a linear CMP belt forming a lo... | 05/31/2005 |
| 6893329 | Polishing apparatus with abrasive tape, polishing method using abrasive tape and manufacturing method for magnetic disk An abrasive tape is supplied to a tape head by a tape supply unit and taken up from the tape head by a tape take-up unit. The tape head presses the abrasive tape against a surface of an object under polish, which is rotated by a rotating unit. A tape head pressuring... | 05/17/2005 |
| 6878048 | CMP belt stretch compensation apparatus and methods for using the same An apparatus for reducing non-uniform stretch of a belt used in the CMP system is disclosed. The belt that may be used with the apparatus extends between a first roller and a second roller to define a belt loop with an inner surface and an outer surface to be used f... | 04/12/2005 |
| 6869341 | Single-sided finishing apparatus A single-sided finishing apparatus is provided having a plurality of finishing stations with rotating transfer stations positioned therebetween. A hold down system presents the edge of the workpiece to the finishing head. The rotating transfer station includes a cla... | 03/22/2005 |
| 6855038 | Shaping pulley assembly for belt notching machine A shaping pulley assembly (6) for a belt notching machine, including on a frame (1) a pair of driving and shaping pulleys (3, 4) for a grinding belt (5), includes a shaping pulley holder element (9) like a fork supported by the fra... | 02/15/2005 |
| 6848982 | Tubular workpiece notching machine usable for general grinding operations A tubular workpiece notching machine usable for general grinding operations has a worktable (1) whose base plate (10) is pivotally mounted to the frame (6) of the notching machine around a pivotal orthogonal axis (Y—Y) in such a manner that th... | 02/01/2005 |
| 6837774 | Linear chemical mechanical polishing apparatus equipped with programmable pneumatic support platen and method of using A linear chemical mechanical polishing apparatus that is equipped with a programmable pneumatic support platen and a method for controlling the polishing profile on a wafer surface during a linear CMP process are disclosed. The programmable pneumatic support platen ... | 01/04/2005 |
| 6808442 | Apparatus for removal/remaining thickness profile manipulation An invention is provided for removal rate profile manipulation during a CMP process. An apparatus of the embodiments of the present invention includes an actuator capable of vertical movement perpendicular to a polishing surface of a polishing pad. The actuator is f... | 10/26/2004 |
| 6769974 | Sand-belt finishing machine having a sand-belt replacement mechanism A sand-belt finishing machine having a sand-belt replacement mechanism includes a support rack, a first roller, a second roller, an upright rod, an elastic member, a sand belt, and a pull lever. When the upright rod is moved by the pull lever to compress the elastic... | 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 |
