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| Number | Title | Issue Date |
| 8056550 | Block-cutting gangsaw for cutting granite or other hard materials, and corresponding cutting method Block-cutting gangsaw with vertical frame for cutting granite or other hard materials, comprising a blade-holding frame (19) that is supported with the possibility of reciprocating movement on an independent oscillating frame (40) which imparts the osc... | 11/15/2011 |
| 8037878 | Method for slicing workpiece by using wire saw and wire saw The present invention is a wire saw in which a wire for slicing is wound around a plurality of rollers to form a wire row; the wire for slicing is driven axially in a reciprocating direction; a workpiece is sliced simultaneously at a plurality of points arranged in ... | 10/18/2011 |
| 7814895 | System and method for cutting granite or similar materials Improved methods including providing a frame saw system having multiple blades for cutting slabs of masonry materials. The improved methods allow for cutting masonry materials into slabs having surface small deviations. A process for cutting masonry blocks of granit... | 10/19/2010 |
| 7353818 | Apparatus and method for slicing an ingot A method for slicing an ingot may improve nanotopography at a surface of a wafer. In the method, an ingot is sliced into a plurality of wafers via a slurry while slurry is supplied to a moving wire. A first wire to form a first slicing portion at the wafer firstly s... | 04/08/2008 |
| 7351282 | Cutting method and apparatus for ingot, wafer, and manufacturing method of solar cell Cutting method of ingot into wafers along cleavage plane. Onto surface of single crystal ingot 10 is implanted ion beam 23 to generate lattice defects in a direction defined by the crystal axes that corresponds to the cleavage plane. Cleavage is genera... | 04/01/2008 |
| 7347766 | Cutting method and cutting apparatus The invention provides a cutting method and a cutting apparatus that cuts without chipping a composite material consisting of laminated layers of crystal material and amorphous material, in which the amorphous material is cut with an ultrasonically vibrated cutting ... | 03/25/2008 |
| 7328514 | Power tool bearing arrangement The invention relates to a power tool with a reciprocating blade, such as a jigsaw, in which the blade can have linear and pendulum movement components imparted thereon and also to a blade holder assembly. There is provided a bearing for a holder member which allows... | 02/12/2008 |
| 7284548 | Cutting method by wire saw and cut workpiece receiving member in wire saw In a cutting method by a wire saw, in which a wire A at a wire array wound around work rollers 10 is made to reciprocate or travel in one direction at a high speed and numerous pieces of wafers are cut out in abutment of a workpiece B against the wire array, ... | 10/23/2007 |
| 7281536 | Cutting machine using wire saw, cutting method using wire saw, and mobile machine having wire saw cutting machine A cutting apparatus that positions a wire saw driving device movably and appropriately at the desired site by freely moving an arm of a backhoe provided with a boom, which arm carries the wire saw driving device and is turnable and movable in upward, downward, leftw... | 10/16/2007 |
| 7279047 | Reactor for extended duration growth of gallium containing single crystals An apparatus for growing bulk GaN and AlGaN single crystal boules, preferably using a modified HVPE process, is provided. The single crystal boules typically have a volume in excess of 4 cubic centimeters with a minimum dimension of approximately 1 centimeter. If de... | 10/09/2007 |
| 7258115 | Skid plate for concrete saw A skid plate for a concrete saw is integrally cast having two end mounting portions and a middle portion with a slot in the middle portion. A horizontal slot in a leading end mounting portion cooperates and a vertical slot in the trailing end portion releasably enga... | 08/21/2007 |
| 7169688 | Method and apparatus for cutting devices from substrates A method and system for cutting a wafer comprising a semiconductor substrate attached to an array of integrated devices includes placing the wafer on a stage such as a movable X-Y stage including a vacuum chuck having a porous mounting surface, and securing the wafe... | 01/30/2007 |
| 7137865 | Method and device for cutting single crystals, in addition to an adjusting device and a test method for determining a crystal orientation A method for the division of single crystals, in particular of GaAs, is provided in which a single crystal (1) to be cut into at least two parts and a cutting tool (2, 3; 8, 8a, 8b, 8c) are moved relative to one anoth... | 11/21/2006 |
| 7111405 | Hand-operated jig-saw with saw blade guidance system A power scroll saw with a housing and a saw blade capable of being driven in a reciprocating manner, and with tongs-like guides that guide the saw blade in a laterally-supported manner is capable of being used in a variety of work applications due to the fact that t... | 09/26/2006 |
| 7096863 | Granite slabs cut with frame saw employing blades with diamond-containing segments and method of cutting thereof A graphite block cut into slabs by a sawing device comprising a plurality of generally parallel, spaced-apart blades with each of the blades having a plurality of cutting segments mounted thereon, each of the cutting segments comprising a continuous phase impregnate... | 08/29/2006 |
| 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 |
| 7089924 | Granite slabs cut with frame saw employing blades with diamond-containing segments and method of cutting thereof A graphite block cut into slabs by a sawing device comprising a plurality of generally parallel, spaced-apart blades with each of the blades having a plurality of cutting segments mounted thereon, each of the cutting segments comprising a continuous phase impregnate... | 08/15/2006 |
| 7082939 | Frame saw for cutting granite and method to improve performance of frame saw for cutting granite A horizontal frame saw is equipped with a plurality of generally parallel, spaced-apart blades for cutting granite. Each of the blades has a cutting edge with diamond cutting segments mounted thereon for engaging the granite with a swinging motion for cutting of the... | 08/01/2006 |
| 7052976 | Method and apparatus for cutting devices from conductive substrates secured during cutting by vacuum pressure A method and system for cutting a wafer comprising a conductive substrate attached to an array of integrated devices includes placing the wafer on a stage such as a movable X-Y stage including a vacuum chuck having a porous mounting surface, and securing the wafer d... | 05/30/2006 |
| 7032486 | Reciprocating saw comprising a program-controlled feed conveyor for advancing the item to be cut The description refers to a mill saw with a saw gate (3) driven via a slider-crank drive (4), whose parallel saw blades (5), which cut in only one stroke direction, are provided with a bias, and with a feed conveyor (6) for the stock to b... | 04/25/2006 |
| 7025665 | Method and apparatus for cutting ultra thin silicon wafers A wire saw and wafer stabilizing system are provided for holding wafer sections invariantly against vibration and unwanted movement during the sawing process. A stabilizing means is applied to the ends of partially defined wafer sections at an early stage when the w... | 04/11/2006 |
| 7001403 | Saw blade for medical applications A saw blade for medical, in particular surgical, applications having a recess for mounting the saw blade inside a saw which exerts an saw movement, especially an oscillating saw movement, to the saw blade. In order to improve the dynamic behavior of the saw blade, l... | 02/21/2006 |
| 6994756 | Method of producing sintered rare earth magnetic alloy wafer A method of producing a sintered rare earth magnetic alloy wafer comprises a step of using a cutter to slice a wafer of a thickness of not greater than 3 mm from a sintered rare earth magnetic alloy having ferromagnetic crystal grains surrounded by a more readily gr... | 02/07/2006 |
| 6962146 | Process for manufacturing composites and for structurally repairing and aesthetically filling slabs of stone materials A process id disclosed for structurally repairing and aesthetically filling, and mutually coupling slabs (1) and layers (2–4) into a block (5), comprising the steps of: heating, drying and impregnating the slabs (1) with resin; penetrat... | 11/08/2005 |
| 6955719 | Manufacturing methods for semiconductor devices with multiple III-V material layers A method for fabricating semiconductor devices with thin (e.g., submicron) and/or thick (e.g., between 1 micron and 100 microns thick) Group III nitride layers during a single epitaxial run is provided, the layers exhibiting sharp layer-to-layer interfaces. Accordin... | 10/18/2005 |
| 6945850 | Saw blade with abrasive surface The present invention relates to a saw blade for cutting and finishing the surface of a work piece. The saw blade having a set of teeth disposed about the outer edge for making a cut in a work piece and an abrasive secured to the lateral surface of the saw blade. Th... | 09/20/2005 |
| 6941940 | Wire saw and process for slicing multiple semiconductor ingots A wire saw (10) for simultaneously slicing multiple, generally cylindrical monocrystalline ingots (14) into wafers. The wire saw includes a cutting head (16), an ingot support (12), and multiple generally parallel lengths of cutting wire ... | 09/13/2005 |
| 6936357 | Bulk GaN and ALGaN single crystals Bulk GaN and AlGaN single crystal boules, preferably fabricated using a modified HVPE process, are provided. The single crystal boules typically have a volume in excess of 4 cubic centimeters with a minimum dimension of approximately 1 centimeter. If desired, the bu... | 08/30/2005 |
| 6931892 | Drainage control device for washing machines A drainage control device for washing machines is disclosed. This device controls the drain port, provided at the bottom of a washing tub, thus draining water from the washing tub in accordance with an operational mode of a washing machine. This drainage control dev... | 08/23/2005 |
| 6929537 | Slurry recycling method A slurry recycling method comprising the steps of: separating a spent slurry containing silicon dust resulting from slicing of a silicon ingot in the presence of a slurry composed of abrasive grains and a dispersion medium in which the abrasive grains are dispersed,... | 08/16/2005 |
| 6920871 | Cable saw The invention relates to a cable saw device (1) comprising a sawing cable (25) and a cable storage device (30) which is used for temporary accommodation of the sawing cable (25). The cable storage device (30) comprises several defl... | 07/26/2005 |
| 6896595 | Method for cutting rare earth alloy, method for manufacturing rare earth magnet, and wire-saw machine A method for cutting a rare earth alloy using a wire with abrasive grains fixed to a core wire, including the step of cutting the rare earth alloy with the wire traveling in a state that a portion of the rare earth alloy to be cut with the wire is immersed in a cool... | 05/24/2005 |
| 6886550 | Wire saw with means for producing a relative reciprocating motion between the workpiece to be sawn and the wire A sawing device includes a wire assembly (15) supported on wire-guiding rolls (11, 12) and pressed against a workpiece to be sawn (20) fixed on a support table (21). An oscillating device (23) produces a relative reciprocating move... | 05/03/2005 |
| 6883511 | Portable stone cutter An improved portable stone cutter includes a base which is of a rectangular frame composed of a plurality of longitudinal bars, a pair of transverse bars and a pair sliding bars, a working table slidably secured to the sliding bars, a motor disposed on the front end... | 04/26/2005 |
| 6837778 | Method for cutting rare earth alloy, method for manufacturing rare earth magnet, and wire-saw machine A method for cutting a rare earth alloy using a wire with abrasive grains fixed to a core wire, including the step of cutting the rare earth alloy with the wire traveling in a state that a portion of the rare earth alloy to be cut with the wire is immersed in a cool... | 01/04/2005 |
| 6736703 | Cutting apparatus and cutting method A cutting blade is fixed on a shaft that rotates about its shaft center, and that is linearly advanced by an advancing movement. The shaft's center further revolves with a small radius of revolution at a rapid predetermined rate of revolution greater than the rate o... | 05/18/2004 |
| 6640796 | Method for separating slices from a hard brittle workpiece, and wire saw for carrying out the method A method for separating slices from a hard brittle workpiece involves subjecting the workpiece to an advancing movement and pressing it onto wires of a wire web of a wire saw, the wires being under a defined wire tension and making contact with the workpi... | 11/04/2003 |
| 6620028 | Apparatus for cutting a wafer The present invention relates to an apparatus for cutting a wafer, wherein the wafer cutting process is performed along a back side of a wafer, a semiconductor chip being formed on the front side thereof, by cutting the wafer along the back side of the wa... | 09/16/2003 |
| 6615817 | Recycling system of wire saw abrasive grain slurry and centrifugal separators therefor A constitution comprises separated processing of an abrasive grain waste liquid into recycled abrasive grain and a fine abrasive grain mixed liquid in a first centrifugal separator, adding a fresh cutting liquid to the fine abrasive grain mixed liquid to ... | 09/09/2003 |
| 6598597 | Method for cutting blocks of stone and frame cutting machine for carrying out said method The invention refers to a method for cutting blocks of stone (12), by means of a gangsaw (1) provided with diamond sector blades (35), comprising, besides a reciprocal approaching movement between the blades (35) and the block (12) and a periodical recipr... | 07/29/2003 |
