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| Number | Title | Issue Date |
| 7329598 | Method of manufacturing a semiconductor device A method of manufacturing a semiconductor device has: preparing a semiconductor wafer having electrode pads formed on the main surface; forming contact portions, which connect to the electrode pads, on the main surface; forming a sealing resin over the main surface;... | 02/12/2008 |
| 7041579 | Hard substrate wafer sawing process Die of high aspect ratio formed in a hard wafer substrate are sawed out without requiring tape, obtaining high die yields. Preliminary to sawing the semiconductor die (3) from a sapphire wafer (2), the wafer is joined (20) to a silicon carrier s... | 05/09/2006 |
| 7018270 | Method and apparatus for cutting semiconductor wafers Improperly mounted wafer saw blades can damage wafers cut or diced with the blades. Embodiments of this invention employ sensors to measure a distance to the blade to help indicate if the blade is improperly mounted. In one method of the invention, a the distance to... | 03/28/2006 |
| 6979418 | Method to create irregular edge decorative blocks A method to create blocks having a weathered and aged look by modifying the blocks before they are cured. Green blocks exiting a block forming machine are conveyed along a path past brush elements which scrub block mix from the upper longitudinal corners of the form... | 12/27/2005 |
| 6941939 | Facing machine for hard-fired ceramic tiles The facing machine for hard-fired ceramic tiles comprises: a structure for supporting, and setting the cutting depth of, at least one pair or rotary rollers at a grooving station, the axis of the rollers lying transverse to the infeed path of the tiles as carried on... | 09/13/2005 |
| 6606985 | Dual-cutting method devoid of useless strokes Disclosed is a dual-cutting method devoid of useless strokes of cutting blades across a workpiece. The work piece has cross lines drawn in the form of lattice, and it is divided into the intermediate and opposite side zones. Two lines of substantially equ... | 08/19/2003 |
| 6543433 | Method and a device for dressing a saw blade A dressing center with a roller unit wherein a saw blade is smoothed. The saw blade is led centrically to an ideal plane between corresponding roller pairs. Each roller pair has a roller with a convex running surface and a roller with a concave running su... | 04/08/2003 |
| 6308700 | Process and manufacturing of a rotary diamond dresser for trueing and dressing of industrial grinding wheels The invention applies to a diamond dresser consisting of a rotary symmetric body on whose circumference and/or face is applied randomly distributed diamond particles. It is the task of the invention to use simple means to reduce the abrasion on the circum... | 10/30/2001 |
| 6176762 | Method of cutting a ceramic base plate A method for cutting a ceramic base plate with which the process efficiency is improved, a stable cutting resistance can be maintained during the cutting process, and excellent process precision can be achieved, a wherein supporting plate which is used fo... | 01/23/2001 |
| 6176769 | Ceramics dress substrate and method of using the dress substrate A ceramics dress substrate of the present invention capable of both performances of cutting a cut material with a high accuracy and dressing a diamond cutting grindstone with an excellent cutting property and an reduced wearing amount of the grindstone. T... | 01/23/2001 |
| 6126523 | Optical dressing method, machining device based on this method, grindstone and polishing cloth A photo-reactive grinding wheel 1 is irradiated with light by a light irradiation device 2 which is provided opposite to the grinding wheel, to bring about a chemical reaction and change in property, and dissolved/removed by a solution 4. Simultaneously, ... | 10/03/2000 |
| 6024517 | Retaining wall system A concrete slab for forming blocks for a retaining wall comprises a prism having parallel top and bottom surfaces, and opposed parallel side walls, and end walls, the prism has an X axis in the longitudinal direction extending between the end walls, a Y a... | 02/15/2000 |
| 5868124 | Quick set radius dresser A radius dresser is provided including a base removably secured to a recipient surface. Also included is a cutting tip holder rotatable and radially slidable with respect to the base. The holder is selectively fixed with respect to the base. The holder ha... | 02/09/1999 |
| 5018315 | Apparatus for holding and storing sharpening stones Apparatus for holding and storing sharpening stones that includes a water-tight reservoir which is open at the top and contains an integral supporting lip, bars that span the open top of the reservoir and are received within recesses in the reservoir side... | 05/28/1991 |
| 4856231 | Machine for grinding large balls A machine for grinding large balls, in particular of natural or artificial stone, comprises a dish-shaped grinding tool and an arrangement for moving a ball blank in the grinding tool; the grinding tool is arranged vertically above the ball blank which is... | 08/15/1989 |
| 4612730 | Mechanical centering apparatus and method A low cost apparatus and method for centering a grinding and cutting apparatus on the face of the spigot or a bell of a reinforced or non-reinforced concrete pipe, manhole riser, or the like. It is mechanical to avoid the expense and uncertainty of hydrau... | 09/23/1986 |
| 4088112 | Automatic rib breaker Method and apparatus for producing a concrete panel having a fractured rib finish is disclosed. A quantity of relatively low slump concrete mixture is cast upon a pallet in the form of a panel and is extruded to define projecting ribs and channels. The ca... | 05/09/1978 |
