Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7374472 | Method for manufacturing decorative stone A method of using ultrasonic cutting technology to make a decorative stone includes cutting a stone or other decorative materials into certain positive pieces having various shape by the ultrasonic cutting technology; cutting another stone to certain depth but not t... | 05/20/2008 |
| 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 |
| 7267600 | Polishing apparatus Apparatus for polishing are provided. An apparatus comprises a fluid controller, a polishing apparatus and a fluid interface membrane. The fluid controller is fluidly coupled to the polishing apparatus by way of at least one conduit. The fluid interface membrane is ... | 09/11/2007 |
| 7238085 | Method and apparatus to process substrates with megasonic energy A variety of techniques may be employed, alone or in combination, to enhance contact between a processed substrate and applied megasonic energy. In accordance with one embodiment of the new invention, the vibration plate is brought into intimate contact with one sur... | 07/03/2007 |
| 7163442 | Method of making micro titer plates and micro titer plates made thereby The micro titer plates, especially for micro reaction systems used in biotechnology, each have an array of special microstructures, which typically include micro cups and micro channels with different cross-sections. These microstructures are introduced into a prefe... | 01/16/2007 |
| 7063596 | Vibratory material removal system, tool and method Material is removed from objects to be marked or machined by applying tools having cutouts arranged in a pattern on the objects, filling the cutouts with abrasive particles, pouring a molten metal over the tools to solidify as a backing, and then ultrasonically vibr... | 06/20/2006 |
| 7004824 | Method and apparatus for detecting and dispersing agglomerates in CMP slurry A method and apparatus of in situ monitoring and dispersing unwanted particles in slurry used during CMP polishing. The method includes providing a slurry path, applying to the slurry path a microcavitation field of a first level to detect particles of a predetermin... | 02/28/2006 |
| 6899592 | Polishing apparatus and dressing method for polishing tool In a polishing apparatus, a polishing tool including abrasive particles and a binder for bonding together the abrasive particles is pressed against a substrate to polish the substrate. The polishing apparatus has a light source for irradiating a polishing surface wi... | 05/31/2005 |
| 6872125 | Tool for smoothing a workpiece A tool for abrading a workpiece to smooth the surface thereof. The tool has a shank portion and a working portion. The working portion has a smooth and non-abrading surface, with one or more depressions formed therein. Each depression includes an abrading mechanism.... | 03/29/2005 |
| 6769957 | Creeping wave technique for mill roll inspection A method and apparatus for simultaneously inspecting and grinding roll mills which utilizes a transducer assembly which produces a creeping wave propagation in conjunction with a couplant fluid provider and data acquisition circuit which allows the operator to see t... | 08/03/2004 |
| 6743081 | In-line oscillating device An in-line oscillating device is essentially composed of an oscillating tank, an oscillating pipe, and an oscillating generator. The oscillating pipe is set in the oscillating tank and connects with a slurry pipe. The oscillating generator for generating ultrasonic ... | 06/01/2004 |
| 6729937 | Barrel-polishing apparatus There is disclosed a barrel-polishing apparatus comprising a polishing medium bath with polishing mediums received therein, a base, an arm mounted on the base, and a workpiece attachment device mounted on a distal end portion of the arm and adapted to attach a workp... | 05/04/2004 |
| 6726531 | Abrasive tool having safe and active areas A tool for abrading a workpiece to smooth the surface thereof. In one embodiment, the tool is an ultrasonic tip (12) having plural grooves (16) formed in a smooth surface (14) thereof. Each groove (16) includes an abrasive material (24... | 04/27/2004 |
| 6666749 | Apparatus and method for enhanced processing of microelectronic workpieces Chemical-mechanical planarizing machines and methods to maintain processing pads and other planarizing media used in planarizing microelectronic workpieces. In one embodiment, a planarizing machine can include a surfacing device attached to one of a carri... | 12/23/2003 |
| 6439975 | Method for forming contact of electrical connector and press die for practicing the method A press die for forming a contact of an electrical connector by blanking a metal sheet is disclosed. The die has a die insert for shaving an engaging section of the contact for electrically engaging with a conductive portion of a device mating with the el... | 08/27/2002 |
| 6409579 | Method and apparatus for conditioning a polish pad at the point of polish and for dispensing slurry at the point of polish A method of conditioning a polish pad at the point of polish and for dispensing slurry at the point of polish. In one embodiment, the method comprises several steps. In the first step, polishing slurry is received at a CMP machine. Next, a polish pad is r... | 06/25/2002 |
| 6406364 | Polishing solution feeder The object of the present invention is to provide a polishing apparatus that can supply a polishing solution having a non-varying distribution of abrading particles sizes at a steady rate. An apparatus (20) for delivering a polishing solution to a polishi... | 06/18/2002 |
| 6354923 | Apparatus for planarizing microelectronic substrates and conditioning planarizing media A method and apparatus for mechanical and/or chemical-mechanical planarization of microelectronic substrates. In one embodiment, a conditioning device for removing waste matter from a microelectronic planarizing medium has a support assembly with a suppor... | 03/12/2002 |
| 6352469 | Polishing apparatus with slurry screening A polishing apparatus and a polishing method can effectively prevent large diameter particles from being fed with slurry to an object to be polished. A large-diameter particle screener blocks or disperses large diameter particles from entering the slurry.... | 03/05/2002 |
| 6336844 | Method and machine for the ultrasonic peening of parts on a wheel The invention relates to a method and machine for so-called "ultrasonic" peening employing a mist of microbeads inside an active chamber 30c for peening parts 21 on a wheel 19, ie blades on a rotator. The periphery of the wheel 19 is brought simultaneousl... | 01/08/2002 |
| 6280303 | Barrel-polishing apparatus There is disclosed a barrel-polishing apparatus comprising a polishing medium bath with polishing mediums received therein, a base, an arm mounted on the base, and a workpiece attachment device mounted on a distal end portion of the arm and adapted to att... | 08/28/2001 |
| 6168502 | Subsonic to supersonic and ultrasonic conditioning of a polishing pad in a chemical mechanical polishing apparatus The present invention provides a method and apparatus for conditioning a polishing pad in which slurry is directed under pressure at the polishing pad. Additionally, energy (i.e., ultrasonic energy) may be added to the slurry as it is directed towards the... | 01/02/2001 |
| 6120356 | Grinding wheel with geometrical pattern A vibration inducing grinding wheel for removing material from a workpiece is provided. The vibration inducing grinding wheel is for use in a grinding machine. The vibration inducing grinding wheel includes a generally cylindrically shaped body defining a... | 09/19/2000 |
| 6083085 | Method and apparatus for planarizing microelectronic substrates and conditioning planarizing media A method and apparatus for mechanical and/or chemical-mechanical planarization of microelectronic substrates. In one embodiment, a conditioning device for removing waste matter from a microelectronic planarizing medium has a support assembly with a suppor... | 07/04/2000 |
| 6053802 | Stabilization of slurry used in chemical mechanical polishing of semiconductor wafers by megasonic pulse A method and apparatus for conditioning a slurry used in a chemical mechanical polishing apparatus is disclosed. Megasonic generators are provided along the piping network between a slurry reservoir and the CMP apparatus. A megasonic generator may also be... | 04/25/2000 |
| 6036578 | Numerical control unit incorporating ultrasonically oscillating tool The invention provides a NC unit provided with an ultrasonically oscillating tool, capable of indenting pits at equal pitches and detecting an amount of wastage of a stylus. In the NC unit, a PLL circuit outputs an ultrasonic signal S at a frequency equiv... | 03/14/2000 |
| 5993300 | Ultrasonic vibration composite processing tool An ultrasonic vibration composite processing tool is disclosed wherein at least one small-sized processing member is arranged for carrying out processing of a processed material while applying vibration to the processed material, to thereby ensure stable ... | 11/30/1999 |
| 5984765 | Ultrasonic vibration composite grinding tool An ultrasonic vibration composite grinding tool is disclosed wherein a plurality of small-sized grinding wheels are arranged for carrying out grinding of a ground material while applying vibration to the ground material, to thereby ensure stable operation... | 11/16/1999 |
| 5904615 | Pad conditioner for chemical mechanical polishing apparatus A pad conditioner for a chemical mechanical polishing (CMP) apparatus which is adapted to remove a glazing phenomenon occurring on a polishing pad when wafers are machined using the CMP apparatus. The pad conditioner includes a swing arm pivotally mounted... | 05/18/1999 |
| 5863883 | Slurry cleaning process A method of cleaning a solid surface which is particularly effective for a surface having a complicated structure including slots and holes comprises immersing the solid surface in a cleaning slurry comprising a cleaning liquid and abrasive particles whic... | 01/26/1999 |
| 5509286 | Method and apparatus for surface treating and prestressing the inside wall of a cavity The present invention relates to a method and apparatus for surface treating and putting under compression prestress the inside wall of a cavity, in particular a cylindrical cavity of circular section. The apparatus comprises a bulb-shaped vibrator provid... | 04/23/1996 |
| 5482660 | Method for fabricating an ink jet head having improved discharge port formation face A method for fabricating an ink jet recording head in which at least liquid channels, discharge ports and a ceiling plate for the formation of an ink liquid chamber are laminated on a substrate having ink discharge energy generating elements arranged on i... | 01/09/1996 |
| 5447485 | Method and apparatus for clamping a tool in a metal cutting machine An ultrasonic machining device 10 is attached to a movable carriage 3, and has a borehole 11 to whose free end a differential screw 14 is threaded. To clamp a tool 20, first the device is returned to a neutral position whereat a wrench 25, which is mounte... | 09/05/1995 |
| 5101599 | Ultrasonic machine having amplitude control unit An amplitude control unit for an ultrasonic machine comprises a load detector for detecting the load applied to the tip of a tool during ultrasonic machining on the work, a load/amplitude conversion circuit for converting the load output detected by the l... | 04/07/1992 |
| 5095602 | Method of making an orthodontic bracket An orthodontic bracket and method of making same wherein the bracket has at least one tie wing integrally formed with a base portion. In one form of the invention the bracket is provided with at least one longitudinally extending groove which extends into... | 03/17/1992 |
| 4858264 | Ultrasonic assisted protective coating removal A paint or other protective coating removal arrangement involving the use of reciprocal motion ultrasonic frequency mechanical energy applied to the coating by a variety of tool and abrasive substrate members in the company of surface preparation agents s... | 08/22/1989 |
| 4004375 | Apparatus for continuous cleaning of a honing tool The honing tool in a centerless honing apparatus is held in an oscillating head and is pressed against the workpiece transported by rotating rollers. The region of contact between the honing tool and the workpiece is immersed in a flushing liquid which se... | 01/25/1977 |
