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WO/2005/046920 |
As part of a system for processing a workpiece (122) by applying a controlled heat to the workpiece, a heating arrangement includes an array of spaced apart heating elements (102) for use in a confronting relationship with the workpiece ...
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WO/2005/044489 |
The invention relates to an intermediate bush for placing in the central location (4) of a collet chuck having a cylindrical body (6a), which has a central chucking bore (7) provided in the form of a through bore, whereby the body (6a) h...
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WO/2005/042810 |
This invention provides a membrane-mediated electropolishing process for polishing and/or planarizing metal work pieces. The work piece is wetted with a low-conductivity fluid. The wetted work piece is contacted with a first side of a ch...
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WO/2005/029003 |
The present invention provides a device, system, and associated methods to actively or passively sample air by directing it onto the surface (4 in Fig. 1 ) of a porous light-absorbing semiconductor, for example, a desorption/ionization o...
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WO/2005/023477 |
A method for forming a complex hole (60) through a wall of a structure (40). The complex hole has a smaller cross-sectional area at a first location (68) within the wall and an outer portion (70) with a larger cross-sectional area adjace...
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WO/2005/018859 |
An EDM apparatus for reducing wheel runout includes a support structure. The support structure is adapted to support and rotate a vehicle wheel. An electrode is also included for electric discharge machining at least one surface of the v...
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WO/2005/018858 |
An electric discharge machining method for forming a tilted deformed small hole (20) by slotting it from the surface (1a) of a work (1), comprising a positioning and holding step for diagonally holding the work (1) so that one inner surf...
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WO/2005/018777 |
The invention relates to a device for cleaning (1) a filter (2) for an electroerosion machine, said filter essentially taking the form of a straight tube. The inventive device comprises a closed chamber (3) and means for rotating the fil...
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WO/2005/008806 |
A photoelectrochemical cell which includes a light transmissive enclosure, a semiconductor photoanode disposed within the light transmissive enclosure, a semiconductor photocathode disposed within the light transmissive enclosure, and an...
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WO/2005/005693 |
Disclosed is a reel-to-reel substrate tape polishing and cleaning system including precleaning, electropolishing section and post cleaning sections and which is suitable for polishing and cleaning long lengths of metal substrate tape use...
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WO/2005/002794 |
The invention provides a cell, a system and an article for processing a substrate in an electrochemical mechanical polishing system. A cell for polishing a substrate includes a polishing pad disposed on a top surface of a platen assembly...
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WO/2005/000525 |
The invention provides a polishing pad comprising a body having a top surface (10) comprising a first set of grooves (12) with a first depth and first width and a bottom surface comprising a second set of grooves (16) with a second depth...
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WO/2005/000511 |
The invention relates to a wire electroerosion machine and method. According to the invention, electric discharges are applied in a dielectric liquid between a wire and a part that is to be machined, thereby producing a channel in the pa...
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WO/2005/000512 |
A rotation surface-reducing head having a disk-like head pedestal and a rotary shaft, characterized in that disposed in the outer periphery of the lower surface of the head pedestal are two ore more electrodes and grindstones or grindsto...
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WO/2004/111304 |
Disclosed is a method for repairing a machine part. A defect in a portion to be repaired in the machine part is removed, and a pulse discharge is produced between the defect-removed portion and a formation electrode which is composed of ...
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WO/2004/110696 |
The invention relates to a method of production and a device for small metal work pieces that are for example used as mechanical control elements in machines such as knitting machines. The functional surfaces of said work pieces have to ...
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WO/2004/111314 |
Method and apparatus for process control of electro-processes. The method includes electro-processing a wafer by the application of two or more biases and determining an amount of charge removed as a result of each bias, separately. In o...
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WO/2004/111146 |
A method of processing a substrate having a conductive material layer disposed thereon is provided which includes positioning the substrate in a process apparatus and supplying a first polishing composition between to the substrate. The ...
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WO/2004/111303 |
A product body is formed, and a defect peripheral portion including a defect produced in the treated surface of the product body by the forming is removed to form a recess in the treated surface. By using a molded body molded from a meta...
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WO/2004/108358 |
Embodiments of a polishing article for processing a substracte are provided. In one embodiment, a polishing article for processing a substrate comprises a fabric layer having a conductive layer disposed thereover. The conductive layer ma...
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WO/2004/108336 |
In an electric discharge machine and a machining method therefor according to the invention, an electrode (21) and an electrode guide holder (25) are attached to an electrode holder (23) in advance, and the electrode holder (23) is mount...
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WO/2004/103626 |
The device for machining by electroerosion comprises a first striking voltage/current source (U1), connected to an electrode tool (F), an electrode piece (P), forming the poles of a machining gap (G) and a second voltage/current source (...
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WO/2004/103625 |
An electric discharge machine in which variation in the machining volume is calculated using the shapes of an electrode and a work represented by a three-dimensional model and the data of machining conditions in order to estimate the ele...
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WO/2004/096423 |
A control system for a catalytic process include: a) an electroconductive support having a layer of a catalyst thereon; b) a device for applying DC current of one polarity to the catalytic layer and the opposite polarity to the electroco...
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WO/2004/097078 |
The present invention provides an electrolytic processing apparatus which can suppress the growth of a gas, which is inevitably generated during electrochemical processing, into bubbles thereby effectively preventing the formation of pit...
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WO/2004/095571 |
The present invention provides a substrate processing method that can perform improved flattening and processing upon the formation of interconnects. The a substrate processing method includes a step of eliminating a level difference in ...
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WO/2004/094107 |
A conductive polishing pad (10) that includes one or more anodes (24) and one or more cathodes (26) formed at or near the polishing surface of a polishing pad. The anodes and cathodes are connected to a wiring network (52) that is part o...
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WO/2004/078411 |
A method and apparatus for local polishing and deposition control in a process cell is generally provided. In one embodiment, an apparatus for electrochemically processing a substrate is provided that selectively polishes discrete conduc...
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WO/2004/078400 |
An electric discharge machining fluid (2, 1) prepared by mixing an oil-base dielectric fluid with a fine powder of titanium carbide (TiC) is fed into a working gap formed between a workpiece (3) and a tool electrode (1, 2) in order to fo...
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WO/2004/079809 |
An electropolishing process endpoint detection method is described. The method is applicable to the electropolishing of a metal layer under a fixed current or voltage, wherein a voltage current detector is installed in the electropolishi...
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WO/2004/076110 |
The inventive method can be used for a precision electrochemical processing for producing intricate surfaces of machine parts. The feeding of the packets of anode activating controlled high frequency current or voltage pulses is synchron...
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WO/2004/076111 |
Overlapping twisted radial aerofoil blades or vanes (70) are formed on a compressor rotor or turbine disk or the like (68) by electro-discharge machining with a curved round section wire tool electrode (72) which is turned by a tool hold...
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WO/2004/073926 |
A polishing pad or other shaped article for the electrochemical mechanical polishing (ECMP) of a workpiece. The article includes an electrically-conductive compound which is formed into a layer. The compound is formulated as an admixture...
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WO/2004/075609 |
A pulsed electric field system for inactivation of biological agents on a dielectric sheet material. The pulsed electric field (PEF) system includes a dielectric layer located between an active electrode and a ground electrode, wherein s...
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WO/2004/072332 |
A polishing fluid for polishing a surface of a substrate which has a copper film deposited on the surface so that the copper comes into minute recesses. It is characterized by containing at least one of water-soluble inorganic acids or s...
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WO/2004/070088 |
An electrolytic solution formulation for an electropolishing process comprises at least an acid solution and an organic additive. The acid solution includes phosphoric acid or a mixture of phosphoric acid and sulfuric acid solutions, whi...
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WO/2004/069460 |
The invention relates to a wire for electrical discharge machining, comprising a brass core and a copper surface layer. According to the invention, the electrode wire for spark erosion-machining comprises a brass core (12) which is cover...
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WO/2004/065048 |
A system and method are described for radially positioning a workpiece for electrochemical machining. In one embodiment, a pressurized air chamber (114) is configured to contain pressurized air. In addition, an expandable diaphragm (104)...
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WO/2004/065049 |
A system and method are described for holding and releasing a workpiece (108) for electrochemical machining. In one embodiment, a workpiece holder (104) has a workpiece surface that couples to the workpiece when negative pressure is appl...
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WO/2004/065047 |
An apparatus and method for electrochemically etching grooves in a working surface. A frame holds a working surface about an axis and facing a movable electrode movable along the axis. The electrode (312) is axially movable and has a sur...
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WO/2004/062841 |
Holes must be produced for many components comprising layer systems, which often leads to a spoiling of the hole boundary region. According to the inventive method, material in the layer (7) is removed in a first method step such that in...
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WO/2004/059028 |
Disclosed is a method of manufacturing a zinc-coated electrode wire for electro discharge machining using a hot dip galvanizing process. The method includes firstly surface-forming a wire (1) in such a way that its terminal end is tapere...
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WO/2004/058105 |
An assembly and planar structure for use therein which is expandable into a 3-D structure such as a stent and device for making the planar structure are provided. The planar structure permits the use of planar batch manufacturing technol...
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WO/2004/054748 |
In prior art, through holes often have to be after-treated manually. Disclosed is a method allowing through holes (10) to be after-treated in a chemical or electrochemical manner with the aid of a material-removing agent (13, 16, 33), th...
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WO/2004/052579 |
An electrode for electric discharge machining, an electric discharge machine and an electric discharge machining method in which concentration of discharge is prevented and discharge machining free from spiral machining flaw can be appli...
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WO/2004/048982 |
A method of forming a probe array includes forming a layer of tip material (101) over a block of probe material. A first electron discharge machine (EDM) electrode (201) is positioned over the layer of tip material, the EDM electrode hav...
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WO/2004/049012 |
A method of manufacture for optical spectral filters with omnidirectional properties in the visible, near IR, mid IR and/or far IR (infrared) spectral ranges is based an the formation of large arrays of coherently modulated waveguides by...
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WO/2004/047934 |
A highly accurate, efficient, and non-mechanical method of removing material from the surface of a golf club head (114) using the principles of electrolysis. The method can be used to make golf club heads from very strong material that a...
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WO/2004/044255 |
A W-Cu alloy based electrode material for use in electric discharge machining consisting of 40 wt % or more of W (1), 15 wt % or less of an additive element or its compound (3) and the balanced amount of Cu (2), characterized in that it ...
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WO/2004/044273 |
The present invention provides a process for electropolishing a conductive surface of a semiconductor wafer. During the process, a contact electrode in a contact solution contacts a contact region on surface of the conductive layer with ...
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