Matches 101 - 150 out of 448 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
6552295 Plasma furnace disposal of hazardous wastes  
A method and apparatus for plasma waste disposal of hazardous waste material, where the hazardous material is volatilized under vacuum inside a containment chamber to produce a pre-processed gas as...
6547978 Method of heating a semiconductor substrate  
Copper can be pattern etched in a manner which provides the desired feature dimension and integrity, at acceptable rates, and with selectivity over adjacent materials. To provide for feature...
6534739 Oxygen cutting of slabs  
The invention involves a process for the oxygen cutting of slabs—using one or more oxygen cutting torches—and a device for implementing the process. The process includes the steps of hanging...
6528753 Method of coating an emissive element  
An electrode for a plasma arc torch and method of fabricating the same are disclosed, wherein the electrode comprises a metallic holder defining a cavity in a forward end. An emissive element and...
6525293 Method for closing and/or joining a connecting joint or joining seam between two pieces of galvanized sheet metal  
A method for closing and/or joining a connecting joint or joining seam between two pieces of galvanized sheet metal, in which zinc or a zinc alloy whose melting point is similar to that of zinc is...
6521859 System and method for preserving stored foods  
A system and method for preserving stored foods. The system and method utilizes an apparatus for generating ozone and other atoms and molecules resulting from the bombardment of a feed gas with...
6521857 Plasma enhanced bonding method and device  
A method and apparatus for bonding solid materials together is presented. A modulated directional flow of plasma is applied at and between the bonding surfaces of members to be bonded prior to and...
6518538 Method and apparatus for plasma skin resurfacing  
A radio frequency generated plasma is provided to a skin surface in a controlled manner, in order to heat and selectively damage a thin superficial layer, thereby inducing a renewal process of the...
6506999 Laminate system, a process for the production thereof and use thereof  
In a system based on aluminum, zirconium and nitrogen at least one layer has covalent bonds of aluminum nitride or at least one layer has bonds of the aluminum nitride and zirconium nitride type....
6495790 Plasma arc keyhole welding stability and quality through titanium nitride additions  
A method for reducing or eliminating sagging in plasma arc keyhole welds adds a fluxing agent to the weld. The fluxing agent may be titanium nitride and/or titanium carbonitride. The fluxing agent...
6492613 System for precision control of the position of an atmospheric plasma  
Multiple plasma jet path sensing positions and multiple localized steering magnetic fields for each plasma jet leg in an atmospheric plasma jet control system are described for a precise control...
6489584 Room-temperature surface weld repair of nickel-base superalloys having a nil-ductility range  
A near-surface defect in a nickel-base superalloy article having a nil-ductility range is weld repaired with a low-power, directional, spatially confined heat source. During the weld repair...
6479785 Device for plasma incision of mater with a specifically tuned radiofrequencty electromagnetic field generator  
A device to place an incision into matter with a harmonious plasma cloud. A radiofrequency generator system produces pulsed or continuous electromagnetic waveform which is transmitted by an active...
6476342 Method of surface preparation using plasma in air  
In accordance with the present invention, a directed plasma beam is employed in air to selectively remove coatings from paper products at high production rates. The shape and intensity of the beam...
6469274 Oxygen arc cutting with plasma pre-heating of ferrous materials, such as structural steel workpieces  
An installation and a method for oxygen arc cutting of a metal workpiece containing at least a ferrous material, in particular a structural steel workpiece, which consists in: pre-heating locally a...
6462300 Monitoring and controlling separate plasma jets to achieve desired properties in a combined stream  
A plasma apparatus separately measures multiple plasma jets upstream of where the plasma jets converge into a combined plasma stream. The separate plasma jets can be separately adjusted to place...
6444943 Method and apparatus for controlling plasma flow  
A method and apparatus for simultaneously cleaning and bonding a wire to a bonding surface is presented. In accordance with the invention, a gas is energized to form a plasma, which is then...
6441336 Process and apparatus for collecting and/or separating ionized species  
A collection method for an at least partially ionised sample is provided in which the part of the sample to be collected is discharged using an electrical conductor and the discharge part of the...
6433300 Electrode interface bonding  
An electrode for a plasma arc torch and method of fabricating the same are disclosed, and wherein the electrode comprises a copper holder defining a cavity in a forward end. An emissive element and...
6433299 Monolithic magnetic modules for integrated planar magnetic circuitry and process for manufacturing same  
Magnetic modules and a process for manufacturing magnetic modules are provided wherein magnetic material is deposited into one or more cavities patterned into a non-magnetic substrate die to form a...
6423924 Method for treating the surface of a material or an object and implementing device  
The invention relates to a method of treating the surface of a material or of an object by means of plasma generated by an electric discharge. It also relates to a device for implementing the...
6420673 Powdered metal emissive elements  
An electrode for a plasma arc torch and method of fabricating the same are disclosed, and wherein the electrode comprises a copper holder defining a cavity in a forward end. An emissive element and...
6409851 Microwave plasma chemical synthesis of ultrafine powders  
The present invention relates to the production of ultrafine powders using a microwave plasma apparatus and chemical synthesis technique. Microwaves generated by a magnetron ( 1 ) are passed...
6410880 Induction plasma torch liquid waste injector  
A plasma torch for vaporizing a molten salt containing a volatile component and a refractory component injects the molten salt into a device that includes a cylindrical shaped outer member and a...
6403914 Method for welding silicon workpieces  
A method and apparatus for welding together two silicon workpieces ( 20, 22 ) without the formation of cracks along the weld. In a first embodiment, current ( 34, 36 ) is passed through one or both...
6399927 Method and device for high frequency treatment of products, related materials and uses  
The invention concerns a device for high frequency treatment of a liquid, solid or gaseous product comprising at least one treatment inductance ( 2 ) enclosing a tubular conduit ( 1 ) designed to...
6397651 Die assembly and method of manufacturing die assembly  
A cutting edge is formed by build-up welding on a die of a die assembly made of a base material of an aluminum/copper-based zinc alloy. The cutting edge comprises an underlying layer and an...
6392187 Apparatus and method for utilizing a plasma density gradient to produce a flow of particles  
An apparatus and method which uses a plasma having a density gradient in order to accelerate ions, thereby producing a flow of energetic ions and neutral parties. The plasma gradient is produced by...
6392190 Automated hardfacing system  
An automated hardfacing system useful for hardfacing roller cones is disclosed. The automated system includes a robot with an arm, a positioner, and a controller which co-ordinates the alignment of...
6372298 High deposition rate thermal spray using plasma transferred wire arc  
Method of thermally depositing metal at increased rates onto a target surface, comprising: establishing and operating a high velocity plasma transferred wire arc between a cathode and the free-end...
6355904 Method and system for high-temperature waste treatment  
A waste treatment system is provided, including a waste melter system and an air pollution control system. Hazardous and/or radioactive waste in drums is conducted through a waste feed system into...
6350961 Method and device for improving surfaces  
The invention relates to a method and device for improving the surface of a substrate. Plasma is produced by a luminous discharge, close to the substrate to be treated, using a hollow cathode and...
6337460 Plasma arc torch and method for cutting a workpiece  
A plasma arc torch and method for cutting a workpiece in which the torch has a primary gas flow path for receiving a primary working gas and directing it through the torch to a central exit opening...
6337459 Multi-layered anti-coking heat resisting metal tube and the method for manufacturing thereof  
A multi-layered heat resistant metal tube is disclosed. This tube has excellent anti-coking characteristics and is suitable for use under the conditions where carbon tends to deposit and accumulate...
6331689 Method and device for producing a powder aerosol and use thereof  
Powder aerosols are introduced into a gas stream in metered form and without any aggregates. To this end, according to the invention, a powder is drawn, for example by mechanical device, from a...
6326582 Bearing with improved wear resistance and method for making same  
A radial bearing and method for making the same are disclosed. Radial bearings are typically used control the direction of drilling in directional drilling operations. The cuttings flow across the...
6323455 Separation of isotopes by ionisation for processing of nuclear fuel materials  
Processing apparatus and methods are provided which involve the selective ionization of a feed material; the separation of ionized and non-ionized species; a selective excitation of the still...
6320155 Plasma enhanced wire bonder  
A method and apparatus for simultaneously cleaning and bonding a wire to a bonding surface is presented. In accordance with the invention, a gas is energized to form a plasma, which is then...
6313429 Dual mode plasma arc torch for use with plasma arc treatment system and method of use thereof  
A plasma arc torch that is capable of operating in a non-transferred arc mode and a transferred arc mode, and that is intended for use for use with a plasma arc treatment system. The plasma arc...
6307174 Method for high-density plasma etching  
A method for high-density plasma etching. A substrate is provided. A material layer is formed on the substrate. A patterned photo-resist layer is formed on the oxide layer. The material layer is...
6297466 Method for repairing steel spray-formed tooling with TIG welding process  
A machine tool or die that is fabricated from thermally spray-formed steel is repaired on the factory floor by first cleaning the area to be repaired to removed all dirt and impurities. Next the...
6284997 Crack free welding of silicon  
A method and apparatus for welding together two silicon workpieces (20, 22) without the formation of cracks along the weld. In a first embodiment, current (34, 36) is passed through one or both of...
6265687 Method of using a ternary gaseous mixture in the plasma projection of refractory materials  
A plasmagenic gas comprises a ternary mixture of helium, argon and hydrogen. The gas contains less than 30% helium, at least 55% argon, and from 5.5 to 15% hydrogen. The gas is energized to form a...
6255618 Method and apparatus for spot welding a work having a plurality of welding materials placed on top of each other by boring a hole to release vapors  
A plasma arc welding for effectively letting gases of low boiling point substances for coating a steel sheet escape, ensuring the escape of a molten metal into gaps between the steel sheets and...
6236012 Plasma torch with an adjustable injector and gas analyzer using such a torch  
This plasma torch (10) for the excitation of a gas for the purpose of analyzing it comprises a tubular injector (12), intended to be connected to a source for supplying a gas to be analyzed, and an...
6232575 Apparatus and method for supplying fluids to a plasma arc torch  
A plasma arc torch system having automatic purge and fill capability includes a plasma arc torch which has a supply line coupled with a passage in the torch for supplying a process fluid through...
6229111 Method for laser/plasma surface alloying  
The present invention is directed toward a method for plasma assisted laser surface alloying. Specifically, the present invention is directed toward a method for surface alloying using a laser beam...
6222153 Pulsed-plasma incineration method  
A method for the incineration of a fluid or fluidizable material by use of a pulsed plasma is disclosed. The plasma is produced by a confined discharge in a closed chamber having an exit port and...
6222155 Cutting apparatus with thermal and nonthermal cutters, and associated methods  
A table has a pervious support surface and a gantry is mounted for movement across the support surface in a longitudinal direction. A carriage is mounted to the gantry for movement across the...
6215092 Plasma overcladding process and apparatus having multiple plasma torches  
A method and associated apparatus for increasing the over cladding rate in perform production while maintaining the integrity of the glass quality of the cladding. The method and apparatus are...
Matches 101 - 150 out of 448 < 1 2 3 4 5 6 7 8 9 >