| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 427580000 | Electrical discharge (e.g., arcs, sparks, etc.) | 36 |
| 20080241422 | METHOD FOR AEROSOL SYNTHESIS OF CARBON NANOSTRUCTURE UNDER ATMOSPHERIC PRESSURE - The present invention relates to a method for the aerosol synthesis of carbon nanostructures under atmospheric pressure comprising a spark generation step of generating a spark between a graphite electrode made of carbon and a metal electrode made of a catalytic metal inducing the graphitization of carbon and vaporizing the carbon component of the graphite electrode and the metal component of the metal electrode utilizing the heat produced by the spark, thereby generating carbon vapor and metal vapor; and a carbon nanostructure generation step of cooling and condensing the carbon vapor and the metal vapor to form a graphitic carbon layer and catalytic metal particles and generating carbon nanostructures in which the graphitic carbon layer grows on the surface of the catalytic metal particles and covers the catalytic metal particles. | 10-02-2008 |
| 20080280068 | Apparatus and Method for Manufacturing Ultra-Fine Particles - An ultra-fine particle manufacturing apparatus and method is capable of producing nanometer-sized ultra-fine particles from reaction gases with high energy light beams, corona discharge and an electric field. High energy light beams are irradiated into a chamber of a housing through the use of a high energy light source. Reaction gases are supplied from a reaction gas supply device to a reaction gas inlet tube. The reaction gases are then introduced through the reaction gas inlet tube into the chamber of the housing to produce a large quantity of ultra-fine particles through the reaction of the reaction gases with the high energy light beams. A voltage is applied to the reaction gas inlet tube by means of a power supply device. The ultra-fine particles flowing within the chamber of the housing are collected by means of a collecting plate. | 11-13-2008 |
| 20080280069 | METHOD AND SYSTEM FOR PRINTING ALIGNED NANOWIRES AND OTHER ELECTRICAL DEVICES - Methods and systems for applying nanowires and electrical devices to surfaces are described. In a first aspect, at least one nanowire is provided proximate to an electrode pair. An electric field is generated by electrodes of the electrode pair to associate the at least one nanowire with the electrodes. The electrode pair is aligned with a region of the destination surface. The at least one nanowire is deposited from the electrode pair to the region. In another aspect, a plurality of electrical devices is provided proximate to an electrode pair. An electric field is generated by electrodes of the electrode pair to associate an electrical device of the plurality of electrical devices with the electrodes. The electrode pair is aligned with a region of the destination surface. The electrical device is deposited from the electrode pair to the region. | 11-13-2008 |
| 20080286496 | Method for depositing electrically insulating layers - The invention relates to a method for operating an arc source, whereby an electric spark discharge is ignited and run on the surface of a target and the spark discharge is simultaneously fed a direct current with an associated constant voltage DV as well as a pulsed current generated by a periodically applied voltage signal. The voltage at the arc source is boosted over several microseconds and the shape of the voltage signal is in essence arbitrarily selectable. | 11-20-2008 |
| 20090029069 | WAVEFORM GENERATOR FOR MICRODEPOSITION CONTROL SYSTEM - A microdeposition system and method includes a head with a plurality of nozzles. A controller generates nozzle firing commands that selectively fire the nozzles to create a desired feature pattern. Configuration memory stores voltage waveform parameters that define a voltage waveform for each of the nozzles. A digital to analog converter (DAC) sequencer communicates with the configuration memory and the controller and outputs a first voltage waveform for a first nozzle when a nozzle firing command for the first nozzle is received from the controller. A resistive ladder DAC receives the voltage waveforms from the DAC sequencer. An operational amplifier (opamp) communicates with the resistive ladder DAC and amplifies the voltage waveforms. The nozzles fire droplets when the voltage waveforms received from the opamp exceed a firing threshold of the nozzle. | 01-29-2009 |
| 20090035485 | Method for forming active-element aluminide diffusion coatings - A method for forming a coating on a substrate, the method comprising forming an active element coating over the substrate with a cathodic arc deposition process, and performing a diffusion coating process on at least the active element coating with an aluminum-based compound and a halide activator. | 02-05-2009 |
| 20090041953 | Method for depositing a metallic substrate on a wall - In one aspect, a method for depositing a metallic substrate on a wall of a narrow depression of a metallic component is provided. A wire electrode is introduced into the depression and thereby bent in the direction of the wall by means of a guide. A suitable voltage is applied to the component and to the wire electrode in order to create an arc, which melts the wire electrode in certain regions. The molten material of the wire electrode is thereby deposited on the wall of the component. The wire electrode is progressively fed in during the depositing operation. | 02-12-2009 |
| 20090074985 | Method for Vibrating a Substrate During Material Formation - A method and apparatus for affecting the properties of a material include vibrating the material during its formation (i.e., “surface sifting”). The method involves the steps of providing a material formation device and applying a plurality of vibrations to the material during formation, which vibrations comprise oscillations having dissimilar, non-harmonic frequencies and at least two different directions. The apparatus includes a plurality of vibration sources that impart vibrations to the material. | 03-19-2009 |
| 20090246410 | Manufacturing process of electrodes for electrolysis - A process for manufacturing electrodes for electrolysis, including the steps of forming an arc ion plating undercoating layer comprising valve metal or valve metal alloy including a crystalline tantalum component and a crystalline titanium component on the surface of the electrode substrate comprising valve metal or valve metal alloy, by an arc ion plating method; heat sintering the electrode substrate to transform only the tantalum component of the arc ion plating undercoating layer into an amorphous substance; and forming an electrode catalyst layer on the surface of the arc ion plating undercoating layer including the valve metal or valve metal alloy including the tantalum component transformed to the amorphous substance and the crystalline titanium component. | 10-01-2009 |
| 20090258165 | PLATINUM-MODIFIED CATHODIC ARC COATING - A process for coating a part comprises the steps of providing a chamber which is electrically connected as an anode, placing the part to be coated in the chamber, providing a cathode formed from a coating material to be deposited and platinum, and applying a current to the anode and the cathode to deposit the coating material and the platinum on the part. | 10-15-2009 |
| 20090291235 | MULTIARC DISCHARGE MOVING BED REACTOR SYSTEM - A moving bed reactor system is provided. The system comprises at least one gas inlet, a distributor, a temperature control, a plurality of electrodes, and a spark control circuit. The spark control circuit drives the electrodes and generates a multi-arc discharge when the system is loaded with particles and a gas at approximately atmospheric pressure or greater is being pumped through the system. The multi-arc discharge is useful to create activated species which may improve the rate of a chemical reaction taking place in the moving bed reactor system. | 11-26-2009 |
| 20100028563 | Method of forming carbon film, method of manufacturing magnetic recording medium, and apparatus for forming carbon film - The present invention provides a carbon film forming method capable of forming a dense carbon film with high hardness. The carbon film forming method includes: introducing a raw material gas G including carbon into a deposition chamber | 02-04-2010 |
| 20100055349 | Scanning Probe Assisted localized CNT growth - The present invention is a method for localized chemical vapor deposition (CVD) for localized growing for example for carbon nanotubes (CNT), nanowires, and oxidation using a heated tip or an array of heated tips to locally heat the area of interest. As the tips moved, material such as CNTs grows in the direction of movement. The Scanning Probe Growth (SPG) or nanoCVD technique has similarities to the CVD growth; however it allows for controlled synthesis and direction and eliminates the need for masks. | 03-04-2010 |
| 20100104773 | METHOD FOR USE IN A COATING PROCESS - A method for use in a coating process includes depositing a ceramic coating on a bond coat that is disposed on a substrate. Prior to depositing the ceramic coating, a desired surface roughness R | 04-29-2010 |
| 20100173099 | METHOD AND APPARATUS FOR CARBON FIBER FIXED ON A SUBSTRATE - Evaporation and condensation of carbon is effected by arc discharge between an anode formed of a carbon electrode and a cathode disposed facing the carbon electrode | 07-08-2010 |
| 20100330302 | DISCHARGE SURFACE TREATMENT METHOD AND COATING BLOCK FOR DISCHARGE SURFACE TREATMENTS - Employing a compact molded from powder of metal or the like as an electrode | 12-30-2010 |
| 20110129620 | GAS HEATING METHODS - Method for thermally spraying a heater onto a substrate, comprising providing a metallic material having a core and an insulator therein and thermally spraying the metallic material and the insulator onto a substrate to form a heater. Method of fabricating a thermally sprayed gas heater, comprising providing a gas flow apparatus that propels a gas through a housing; thermally spraying a material to form a resistive heating layer; bonding the resistive heating layer to a surface of the apparatus, the heating layer being positioned to heat the gas flow in the housing. Method of fabricating a heater system of a turbulent gas flow duct, comprising providing a duct having a gas flow channel, the channel having a shaped surface providing a turbulent gas flow therein; thermally spraying a material to form a resistive heating layer; positioning the resistive heating layer to heat the gas flow in the channel. | 06-02-2011 |
| 20110135845 | ELECTRICAL DISCHARGE SURFACE TREATMENT METHOD - An electrical discharge surface treatment method for forming a coating film by generating a pulsed electrical discharge between an electrode and a workpiece in working fluid or gas using a green compact obtained by molding metal powder or metal alloy powder or a molded body obtained by heating the green compact as the electrode, and by melting an electrode material by an energy of the pulsed electrical discharge, forming a coating of the electrode material or a coating of a material obtained by a reaction of the electrode material by the energy of the pulsed electrical discharge on a surface of the workpiece, the electrical discharge surface treatment method includes generating the pulsed electrical discharge by mixing together two or more types of pulsed electrical discharges having different energies. | 06-09-2011 |
| 20110143054 | USE OF A TARGET FOR SPARK EVAPORATION, AND METHOD FOR PRODUCING A TARGET SUITABLE FOR SAID USE - The invention relates to a method for using a target for a coating process of metal oxide and/or metal nitride coatings by means of spark evaporation, wherein the target can be operated at a temperature that is higher than the melting point of the metal used in the target, and wherein the target is comprised of a metal whose oxides and/or nitrides are not electrically conducting. The invention further relates to the use of a target for producing metal oxide coatings and/or metal nitride coatings by means of spark evaporation, wherein the target has a matrix comprised of a metal, in which matrix non electrically conducting oxides and/or nitrides of the metal are embedded. | 06-16-2011 |
| 20110165348 | Compositions of Corrosion-resistant Fe-Based Amorphous Metals Suitable for Producing Thermal Spray Coatings - A method of coating a surface comprising providing a source of amorphous metal that contains manganese (1 to 3 atomic %), yttrium (0.1 to 10 atomic %), and silicon (0.3 to 3.1 atomic %) in the range of composition given in parentheses; and that contains the following elements in the specified range of composition given in parentheses: chromium (15 to 20 atomic %), molybdenum (2 to 15 atomic %), tungsten (1 to 3 atomic %), boron (5 to 16 atomic %), carbon (3 to 16 atomic %), and the balance iron; and applying said amorphous metal to the surface by a spray. | 07-07-2011 |
| 20110183084 | LAYER SYSTEM WITH AT LEAST ONE MIXED CRYSTAL LAYER OF A MULTI-OXIDE - A PVD layer system for the coating of workpieces encompasses at least one mixed-crystal layer of a multi-oxide having the following composition: (Me1 | 07-28-2011 |
| 20110300311 | PRODUCTION METHOD OF ELECTRODE AND DISCHARGE SURFACE TREATMENT THEREWITH - A surface treatment method of a subject body is comprised steps of: packing and pressurizing powder including an electrically conductive material in a mold so as to obtain a plurality of compressed powder bodies; joining the plurality of compressed powder bodies together by arranging the plurality of compressed powder bodies to be mutually in close contact and applying isostatic pressure on the arranged compressed powder bodies; sintering the joined compressed powder bodies so as to obtain a sintered body; and carrying out a discharge surface treatment by bringing the sintered body close to a subject body and generating electric discharge. | 12-08-2011 |
| 20120009357 | ROTATION MEMBER, HOUSING, BEARING, GEARBOX, ROTATING MACHINE, SHAFT STRUCTURE AND SURFACE TREATMENT METHOD - In a rotation member rotatably engaged with a housing, a pulsing electric discharge is generated in a processing liquid or in a gas, between an electrode and the rotation member. The electrode is a chemical compound of a metallic powder or metal, or a molded body formed by molding ceramic powder, or a molded body obtained by heating the molded body. Energy from the electric discharges causes coating to be formed on an engagement portion engaging the housing, the coating formed from the material of the electrode or a substance to which the electrode material combined by the energy of the electric discharges. | 01-12-2012 |
| 20120088038 | Method and Device for High-Rate Coating by Means of High-Pressure Evaporation - The invention relates to a vacuum coating method with very high deposition rates at high layer thickness homogeneity and material yield as well as apparatuses for achieving the coating. | 04-12-2012 |
| 20120114878 | METHOD OF MAKING COATED ARTICLE HAVING ANTIBACTERIAL AND/OR ANTIFUNGAL COATING AND RESULTING PRODUCT - Techniques are provided for making a coated article including an antibacterial and/or antifungal coating. In certain example embodiments, the method includes providing a first sputtering target including Zr; providing a second sputtering target including Zn; and co-sputtering from at least the first and second sputtering targets in the presence of nitrogen to form a layer including Zn | 05-10-2012 |
| 20120156394 | DISCHARGE SURFACE TREATMENT - An electrode used in combination with an electric spark machine for surface treatment, is comprised of a mixed powder including a powder of aluminum at a ratio of 5-18 weight % to the total of the mixed powder or a powder of any metal selected from the group consisting of nickel, cobalt, and iron at a ratio of 5-40 weight % to the total of the mixed powder and a powder of titanium hydride, wherein the mixed powder is formed by molding and sintering into a structure so dimensioned as to be incorporated in the electric spark machine as an electrode therefor. | 06-21-2012 |
| 20120164354 | SPUTTERING APPARATUS AND MANUFACTURING METHOD OF ELECTRONIC DEVICE - The present invention provides a sputtering apparatus that can efficiently laminate thin films in a short time without lowering throughputs, and a manufacturing method of an electronic device. The sputtering apparatus according to an embodiment of the present invention includes a rotatable substrate holder, four target holders obliquely arranged with respect to the substrate holder, and a first shutter and a second shutter that each are provided between the target holders and the substrate holder and have two holes arranged two-fold symmetrical with respect to a rotational axis X. Two of the four target holders are first group target holders arranged two-fold symmetrical with respect to the rotational axis X, and the other two target holders are second group target holders arranged between the first group target holders and two-fold symmetrical with respect to the rotational axis X. | 06-28-2012 |
| 20130089682 | WIRE-LIKE SPRAY MATERIAL, FUNCTIONAL LAYER WHICH CAN BE PRODUCED THEREWITH AND PROCESS FOR COATING A SUBSTRATE WITH A SPRAY MATERIAL - A wire-like spray material ( | 04-11-2013 |
| 20130164459 | SPUTTERING LITHIUM-CONTAINING MATERIAL WITH MULTIPLE TARGETS - A method of depositing lithium-containing films on a battery substrate in a sputtering chamber is provided. At least one pair of sputtering targets that each comprise a lithium-containing sputtering member is provided in the sputtering chamber, the sputtering targets selected to each have a conductivity of at least about 5×10 | 06-27-2013 |
| 20130171374 | PVD COATING FOR METAL MACHINING - The present invention relates to a wear resistant coating suitable to be deposited on cutting tool inserts for chip forming metal machining. The coating comprises at least two layers with different grain size, but with essentially the same composition. The coating is deposited by Physical Vapour Deposition (PVD). | 07-04-2013 |
| 20130209705 | ELECTRICAL DISCHARGE SURFACE TREATMENT METHOD - There is an electrical discharge surface treatment method of forming a surface layer on a work piece surface by making pulsed electrical discharge repeatedly occur between a work piece ( | 08-15-2013 |
| 20130309418 | ELECTROSPARK DEPOSITION PROCESS AND SYSTEM FOR REPAIR OF GAS TURBINE - A system and method for repairing a metal substrate includes an electrospark device and an electrode removably supported in the electrode holder. The electrospark device applies a coating of a material when placed into contact with the metal substrate. A cooling device to lowers the temperature of shielding gas flow below an ambient temperature. A conduit is arranged to direct a flow of the shielding gas to the interface of the electrode and the substrate to cool the area of the substrate receiving the coating. | 11-21-2013 |
| 20140017415 | COATING/REPAIRING PROCESS USING ELECTROSPARK WITH PSP ROD - An electrospark deposition electrode and an associated method for depositing coatings using the electrode are provided. The electrode includes a powder of a first metal and a powder of a second metal. The second metal is a braze alloy including nickel, the second metal having a lower melting point than the first metal. The powder of the first metal and the powder of the second metal are sintered together to form the electrode so that the powders are comingled but not combined within the electrode. The method includes depositing a layer of the first metal onto the substrate using an electrospark deposition process. | 01-16-2014 |
| 20140349034 | Coating Device for Coating an Elongated Substrate - A device and system for dynamically applying liquid to a single thread for a thread consuming device as said thread moves relative to the device along a path of movement. The device is configured to apply liquid to said thread by means of an electrospraying unit. A method for applying liquid to a single thread for a thread consuming device as said thread moves relative to the device along a path of movement is also provided. | 11-27-2014 |
| 20150104585 | SEAL STRUCTURE OF FLUID DEVICE - A seal structure includes: first and second members defining a hollow internal area of a fluid device; and a seal member fixed to the first member for sealing a gap between the first and second members. The seal member includes a sliding contact member being in sliding contact with a surface of the second member and formed of a resin. The second member includes a resin layer and a resin layer holding structure. The resin layer is formed by sliding the second member on the sliding contact member to transfer the resin forming the sliding contact member onto a sliding contact portion of the surface of the second member at which the second member comes into contact with the sliding contact member. The resin layer holding structure is a porous film formed by electric discharge surface treatment and holds the resin layer in the sliding contact portion. | 04-16-2015 |
| 20150125630 | METHOD FOR PRODUCING A PLUG FOR HOT TUBE-MAKING - A plug for hot tube-making having a sprayed coating resistant to peeling is provided. A method for producing a plug for hot tube-making according to the present embodiment includes a step of preparing a plug whose surface includes a sprayed coating formed thereon, the sprayed coating containing iron and an iron oxide; and a heat treatment step during which the plug is kept at 400° C. to 550° C. for 5 to 60 minutes. | 05-07-2015 |
