Class 228/218 - Using gas, vapor, vacuum, or reactive flame

Subclass of Class 228 - Metal fusion bonding
Definition: Process wherein normal atmosphere is restricted from the
No. of patents: 40
Last issue date: 07/18/2006

Number	Title	Issue Date
7079370	Apparatus and method for removal of surface oxides via fluxless technique electron attachment and remote ion generation The present invention provides a method and apparatus for the dry fluxing of at least one component and/or solder surface via electron attachment. In one embodiment, there is provided a method for removing oxides from the surface of a component comprising: providing...	07/18/2006
7041385	Composite sheet material for brazing The invention relates to a coiled composite sheet material far brazing, the composite sheet material having a structure comprising a substrate, the substrate including an aluminium substrate and/or an aluminium alloy substrate, on at least one side coupled to a carr...	05/09/2006
6994919	Brazing product and method of manufacturing a brazing product The invention relates to a brazing sheet product including a core sheet, on at least one side of the core sheet a clad layer of an aluminum alloy including silicon in an amount in the range of 4 to 14% by weight, and further including on at least one outersurface of...	02/07/2006
6994920	Fusion welding method and welded article A fusion welding method is provided for fusion welding at juxtaposed interface surfaces a first member, for example made of a first metal based on at least one of Ru, Rh, Pd, and Pt, with a second member made of a second metal, for example a high temperature alloy b...	02/07/2006
6921014	Method for forming a channel on the surface of a metal substrate A method for forming a channel within a coated, metal-based substrate is described. In one technique, a channel-forming material is first deposited on the substrate, followed by the deposition of a bonding agent, such as a braze. One or more coatings can then be app...	07/26/2005
6911405	Semiconductor device and method of manufacturing the same A process gas consisting of one of N2, N2O or a mixture thereof is converted to a plasma and then a surface of a copper wiring layer is exposed to the plasma of the process gas, whereby a surface portion of the copper wiring layer is reformed a...	06/28/2005
6905063	Method of manufacturing semiconductor device A semiconductor device can be formed with fewer voids in the solder bonding a laminate of a silicon chip, an insulator substrate, and a metal base, with a solder layer positioned between the layers. After placing the laminate in a furnace, it is evacuated and then p...	06/14/2005
6896977	Method of brazing aluminum or aluminum alloy materials and aluminum alloy brazing sheet A method of brazing an aluminum or aluminum alloy material, containing brazing an aluminum alloy brazing sheet that has an aluminum or aluminum alloy core material and, being clad on one or both surfaces, a filler alloy layer comprised of an Al—Si-based alloy and ...	05/24/2005
6824037	Bonding device The present invention solves a problem with a wire bonding device, that during a wire bonding process, a cover at the periphery of a working hole warps upward to cause inadvertent sparking to occur across the cover that has warped upwards and a torch electrode. This...	11/30/2004
6564990	Method of welding high chromium austenitic stainless steel pipe and shielding gas mixture for welding Stainless steels are welded using a shielding gas including 88 to 98.9 mole % Ar, 1 to 10 mole % H2, and 0.1 to 2.0 mole % CO2. The shielding gas permits low sulfur, high chromium, austenitic stainless steel pipes to be joined with w...	05/20/2003
6543672	Method of forming vacuum chamber of control valve for variable capacity compressor A vacuum chamber-forming method for forming a vacuum chamber in a power element of a control valve for a variable capacity compressor through a reduced number of steps. A power element is assembled in the atmospheric air by arranging a disk, a diaphragm, ...	04/08/2003
6514631	Heating furnace tube and method of manufacturing the same A heating furnace tube, a method of using the same and a method of manufacturing the same which have been developed with a view to eliminating inconveniences occurring when a carbon-containing fluid is made to flow in the heating furnace tube. The heating...	02/04/2003
6494361	Semiconductor module package substrate fabrication method Organic solderability protectant (OSP) is applied to copper bond pads. The copper bond pads include flip chip bond pads and SMD bond pads on a dielectric upper surface and BGA bond pads on a dielectric lower surface. Solder paste is applied to the flip ch...	12/17/2002
6474530	Adaptor assembly for interchangeably mounting hot air solder reflow nozzles to soldering/desoldering apparatus Handheld and stationary hot air solder reflow apparatus for repairing, reworking or producing electronic components and circuit boards of the type having a means for supplying a flow of hot air to an outlet tube are provided with a nozzle adaptor which ha...	11/05/2002
6382501	Furnace brazing A brazing method for joining to or more pieces of metal together includes running a molten brazing solder into a space between the pieces, heating at least the adjacent surfaces of the pieces to be joined to brazing temperature in a reducing atmosphere an...	05/07/2002
6354481	Compact reflow and cleaning apparatus A compact reflow oven and cleaning apparatus combines in a unitary housing for both the reflow and cleaning function. This results in the saving of valuable floor space in the printed circuit board assembly areas. The unitary housing and control of temper...	03/12/2002
6189763	Rolled plate joining apparatus and continuous hot rolling apparatus equipped with the same There is provided a rolled plate joining apparatus equipped with a truck that can travel reversibly in the rolling direction, tailing end pinch rolls that are mounted on the truck and can be moved vertically with the tailing end of a preceding rolled plat...	02/20/2001
6089445	Method and device for dry fluxing of metallic surfaces before soldering or tinning The invention relates to a method for drying fluxing of a metallic surface before soldering or tinning using an alloy, according to which the surface to be fluxed is treated, at a pressure close to atmospheric pressure, with a gaseous treatment atmosphere...	07/18/2000
6068175	System for replacing a first area array component connected to an interconnect board Apparatus for connecting a first area array component to a substrate with a joining material. The apparatus has a nozzle directing heat toward both the first area array component and the portion of the substrate beneath the first area array component to m...	05/30/2000
6021940	Method and apparatus for reflow soldering metallic surfaces The invention relates to a method for dry cleaning or dry fluxing metallic surfaces before, during, or after a reflow soldering operation. The metallic surfaces that are dry cleaned or dry fluxed include (1) the metallic substrate on which an at least par...	02/08/2000
5146014	Perfluoroethyldimethyl cyclohexane A novel composition of matter is disclosed comprising perfluorinated, ethyldimethyl cyclohexane. The compound has unique utilities in vapor phase heating and soldering, oxygen transport for biological fluids and other requirements for an inert, stable flu...	09/08/1992
5098233	Carbide shank boring bar with steel head A carbide shank boring bar having a coolant/lubricant bore running axially therethrough fitted with a steel head, said head being machinable to produce a pocket to receive a metal cutter insert wherein said boring bar shank and said steel head have a diam...	03/24/1992
4989776	Method of brazing articles containing aluminum Articles of aluminum, or of an aluminum alloy, can be brazed satisfactorily, employing an aluminum alloy as the brazing material, by removing any surface oxide layers from bodies comprising the articles, and preforms of the brazing material, simultaneousl...	02/05/1991
4989775	Method for brazing aluminum components A method for brazing aluminum components with a flux, wherein the flux and the aluminum components are heated together in a brazing furnace filled with a nonoxidizing gaseous medium, thereby fluxing and brazing the aluminum components at one time, or wher...	02/05/1991
4950814	Liquid fluorocarbon and a method for producing the same Disclosed is a novel fluorocarbon comprising carbon atoms and fluorine atoms and having no double bond, the atomic ratio of fluorine to carbon atoms being 1.50 to 1.93, which exhibits a liquid state at room temperature. The liquid fluorocarbon has excelle...	08/21/1990
4895990	Fluorinated polycyclic compounds A fully-fluorinated and fully saturated fluorocarbon, containing at least two condensed or non-condensed six-membered rings, seventeen carbon atoms and from 28 to 32 (inclusive) fluorine atoms in its molecule, and having a boiling point from 250° to 265�...	01/23/1990
4895290	Method for bonding materials An ultrasonic transducer and its method of fabrication wherein bonding between an impedance matching layer on one side of a piezoelectric layer and a support layer on the other side of the piezoelectric material is made by providing onto each material a s...	01/23/1990
4891275	Aluminum shapes coated with brazing material and process of coating An aluminum or aluminum alloy shape for manufacture of heat exchangers is coated with a metallic layer of a zinc-base alloy constituting a fluxless soldering or low temperature brazing material when heated. A process for direct coating of formed aluminum ...	01/02/1990
4889274	Gas mixture for use in control and formation of ball bonds The disclosure relates to the use of metastable state of mixed gases which, when appropriately mixed, provide better control of current and voltage conditions and subsequent arc formation properties in making balls of aluminum, copper and gold with an ele...	12/26/1989
4885414	Perfluorinated propyl derivative compounds Novel compositions include compounds of the formula: ##STR1## wherein the carbon rings are fully fluorinated....	12/05/1989
4873315	Perfluorinated propyl derivative compounds Novel compositions include compounds of the formula: ##STR1## wherein the carbon rings are fully fluorinated and R is selected from the group consisting of fluorine, --CF3 or --CF(CF3)2....	10/10/1989
4801761	Perfluoro-1,1-di(orthoxylyl)alkyl compounds Novel compositions of matter are disclosed; perfluoro-1,1-di(orthoxylyl) methane, perfluoro-1,1-di(orthoxylyl) ethane and perfluoro-1,1-di(orthoxylyl) propane. The compositions are made by cobalt trifluoride fluorination of 1,1-di(orthoxylyl) methane, 1,1...	01/31/1989
4724995	Pin joining method and apparatus In a method and apparatus for the automatic joining of pins to the surfaces of articles, especially of ear pins to associated pieces of jewelry, the joining step utilizes flame soldering in the automatic joining process in order to reduce costs for small ...	02/16/1988
4638938	Vapor phase bonding for RF microstrip line circuits An improved vapor phase soldering process and apparatus are disclosed having particular application to electronic circuitry designed for operation at frequencies higher than 1 MHz. A printed circuit board having a defined circuit pattern on both sides is ...	01/27/1987
4598859	Exhausting gas from a metal assembly Gases entrapped in a metal assembly are exhausted through a vent closed off by a metal or metal alloy which has a melting point below the temperature at which said assembly is hot rolled. The metal assembly is designed to bond dissimilar metals on hot rol...	07/08/1986
4331282	Method of manufacturing glazing panels In the manufacture of glazing panels comprising sheets marginally bonded together, in order to simplify and speed up production, a method of effecting bonding between at least one such sheet and one or more members assembled in marginal contact therewith,...	05/25/1982
4288022	Underwater explosive welding First and second underwater tubular members are assembled together so that the outer surface of the first tubular member and the inner surface of the second tubular member are spaced apart to form an annular cavity. The cavity is sealed, cleaned and dried...	09/08/1981
4019671	Method for dip-soldering semiconductor components A method and apparatus for dip-soldering semiconductor components is disclosed as including a temperature-controlled solder bath and a gas supply line disposed along one edge of the upper surface of the bath. Hydrogen and nitrogen gases are selectively su...	04/26/1977
3973712	Underwater welding Underwater welding apparatus including a welding chamber and at least one source of gas under pressure connected to the welding chamber through a demand valve, in which the demand valve allows the flow of gas to the chamber to increase as the increase in ...	08/10/1976
3970237	Method of brazing aluminum parts A method of brazing aluminum parts where the brazing occurs between one aluminum part and a second part formed of either aluminum or another metal, wherein the aluminum or aluminum alloy has a braze cladding which is plated with a bond-promoting alloy pri...	07/20/1976

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Class 228/218 - Using gas, vapor, vacuum, or reactive flame