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7300622 |
The present invention concerns a method for generating nanostructures in order to obtain in an area on the surface of a metal piece ( 10 ) a nanostructured layer of defined thickness, characterized in that it comprises: a step for projec...
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7182822 |
A metal material whose surface is modified by bonding of aromatic groups, optionally substituted by functional groups.
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6652669 |
The invention relates to a method for producing an ultraphobic surface on aluminium as the supporting material and to the resulting surface and its use. According to said method, the surface of an aluminium support is anodized, especiall...
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6627006 |
The invention relates to a method of controlling a treatment line. According to said method a) a correlation between one or several variable parameters of the chemical and/or physical processes of the treatment line and one or several ch...
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6613161 |
A method of laser marking which comprises applying a laser beam to a metal surface under the influence of an assist gas to produce durable, repeatable and striking colors on the metal surface. The method provides an easy and flexible alt...
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6607613 |
A metal alloy solder ball comprising a first metal and a second metal, the first metal having a sputtering yield greater than the second metal. The solder ball comprises a bulk portion having a bulk ratio of the first metal to the second...
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6589365 |
A hydrogen peroxide solution is applied onto the surface of a metallic member to oxidize the metallic member and to form the oxide film. At this time, a light beam is irradiated towards the metallic member through the hydrogen peroxide s...
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6503341 |
This self-compensating spiral for a mechanical spiral balance-wheel oscillator in watchwork or other precision instrument, made of a paramagnetic alloy, contains at least one of the elements Nb, V, Ta, Ti, Zr, Hf and is covered with a su...
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6436201 |
Disclosed is a cationic electrodeposition coating composition comprising (A) a resin for cationic electrodeposition coatings, (B) a compound containing a metal selected from among bismuth, lanthanum and molybdenum, and (c) a metal hydrox...
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6306225 |
A process is provided for producing wear-resistant boride layers on metal material surfaces. The process is characterized in that a boron halide selected from the group comprising boron trifluoride, boron tribromide, boron triiodide and ...
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6210547 |
A process for altering surface properties of a mass of metal alloy solder comprising a first metal and a second metal. The process comprises exposing the mass to energized ions to preferentially sputter atoms of the first metal to form a...
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6162513 |
A process for modifying a metal surface by irradiating energized ion particles onto a metal surface while blowing a reactive gas directly on the metal surface under a vacuum condition. The process can achieve the effect of decreasing the...
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6066403 |
Novel metallic bodies are provided which present an essentially oxide-free surface protected by phosphate groups which directly and chemically bond to surface metal atoms. Metal surfaces such as Al or Fe can be protected by deposition of...
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6056831 |
A process for altering surface properties of a mass of metal alloy solder comprising a first metal and a second metal. The process comprises exposing the mass to energized ions to preferentially sputter atoms of the first metal to form a...
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6022631 |
Adhesion of nickel plated steel sheets with each other, which is apt to occur during producing a steel sheet in which nickel is diffused by heat treatment of a nickel plated steel sheet in an annealing furnace, is prevented. A nickel pla...
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5944917 |
A stainless steel having excellent corrosion resistance to ozone added water, such as ozone added ultrapure water used in semiconductor manufacturing processes and the like, as well as a manufacturing method. The stainless steel comprise...
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5863357 |
Disclosed is a method for zinc phosphating a molded metal article wherein a treating bath composition comprises from 1.5 to 5.0 g/l of zinc ion, from 0.1 to 3.0 g/l of manganese ion, from 5 to 40 g/l of phosphate ion, from 0.05 to 3.0 g/...
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5776265 |
The invention is a process for applying a phosphate coating to a metal substrate in which the metal substrate is contacted with an aqueous activating bath before the phosphate coating is applied. The improved process is obtained by apply...
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5753101 |
A method for monitoring the constituents present in conversion coating bath solutions. The method involves using specific ac and dc voltammetry and using platinum or other noble metal working electrodes. First, a selected dc potential is...
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5705075 |
A system automated for providing at least periodic removal of metal ions and contaminants from a chemical bath, consists of a microprocessor programmed for controlling fluid circuits of pumps and valves, for in one state of operation cir...
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5641537 |
A process for measuring the coating weight of a dried-in-place non-chromate polyacrylamide based conversion coating is disclosed. An ammonium hexafluorotitanate tracer added to such a conversion coating was found to not adversely affect ...
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5635243 |
Energy, such as from one or more lasers, is directed at the surface of a substrate to mobilize and vaporize a constituent element (e.g., carbide) within the substrate (e.g., steel). The vaporized constituent element is reacted by the ene...
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5620754 |
Energy, such as from one or more lasers, is directed at the surface of a substrate to mobilize and vaporize a constituent element (e.g., carbide) within the substrate (e.g., steel). The vaporized constituent element is reacted by the ene...
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5607520 |
A method and apparatus for performing continuous reel-to-reel passivation of a stainless steel wire usable in an underwater electromechanical or optical cable of a mine hunting sonar or similar marine system, which supplies the stainless...
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5554415 |
Energy, such as from one or more lasers, is directed at the surface of a substrate to mobilize and vaporize a constituent element (e.g., carbide) within the substrate (e.g., steel). The vaporized constituent element is reacted by the ene...
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5534296 |
A bath for pre-treatment of light metals that form oxide layers, before electroless (chemical) metal deposition is an aqueous bath containing phosphorous acid. The bath is used in the following process for electroless deposition of nicke...
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5518936 |
A method for producing metal wirings on an insulating substrate is disclosed. The method comprises the steps of forming a metal wiring layer of a predetermined shape on a predetermined position of the insulating substrate, the metal wiri...
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5505792 |
A method of providing color to a polyacrylamide based, dried-in-place, non-chromate conversion coating is provided. The addition of a phthalo green pigment and optionally a nonionic surfactant to an aqueous, dried-in-place conversion coa...
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5490908 |
A method for processing stainless steel strip or sheet provides for cleaning the surface of the stainless steel with a solution selected from the group consisting of water and alkaline-based and acid-based compounds to reduce oxide scale...
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5472520 |
A method for controlling oxygen deposition on steel sheets. The oxygen deposition value of a steel sheet measured after decarburization annealing remains at a constant value by controlling, in the decarburization annealing line for the s...
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5462609 |
An essentially flat "arc-grained" surface of a sheet of aluminum alloy is produced with a coarse and non-uniform microstructure which, after it is coated with a durable phosphate-free coating, provides excellent lithoplate. Though such a...
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5456817 |
There is disclosed a treating process whereby the thermal oxidation resistance on the shiny side of a copper foil is enhanced so that the shiny side will not discolor on heating to higher temperatures than usual, without impairing the fo...
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5454882 |
The invention is a method for the accurate control of the conversion film thickness produced on aluminiferous metal materials by fluorine-containing acidic conversion treatment baths; and a simple method for determining the EFC value (Ef...
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5454881 |
A method for marking thin walled tubes, using a laser. To prevent warping and to maintain the structural integrity of the tube, coolant is injected into the tube while it is being marked. To further prevent warping and to maintain the st...
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5451270 |
A process for measuring the coating weight of a dried-in-place non-chromate polyacrylamide/surfactant based conversion coating is disclosed. An ammonium hexafluorotitanate tracer added to such a conversion coating was found to not advers...
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5445682 |
A method of applying a surface hydrophilic treatment to a heat-transfer tube with a good productivity, which obtains an excellent surface hydrophilic property not deteriorated for a long term. The method includes the steps of: heating a ...
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5411770 |
The surface of stainless steel can be hardened by coating a silicon nitride gel and then scanning by CO 2 laser to form a surface alloy layer thereon. The thickness and hardness of the surface alloy layer are both uniform. The Vicker's ...
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5401333 |
A process for measuring the coating weight of a dried-in-place non-chromate polyacrylamide/surfactant based conversion coating is disclosed. An ammonium hexafluorotitanate tracer added to such a conversion coating was found to not advers...
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5399208 |
To treat an iron-based, zinc-based, and an aluminumbased surfaces etc. with zinc phosphate using the same solution, a treating solution is adjusted in concentrations so as to contain a simple fluoride in a range of 200.about.500 mg/l upo...
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5328524 |
Oxidation treatments by ionic bombardment or post-discharge result in the formation on the surface of passivatable metals and alloys of a layer of oxide having a thickness of a few micrometers which protects the substrates from subsequen...
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5304772 |
The invention relates to a process for the production of a metal screen by irradiating a metal basic layer with high-energy, focused radiation, wherein at least one metal basic layer (3) to be perforated to form a screen is supported in ...
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5292378 |
A method of providing color to a dried-in-place, non-chromate conversion coating is provided. The addition of a phthalo green pigment and optionally a nonionic surfactant to an aqueous, dried-in-place conversion coating treatment solutio...
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5194138 |
A method for treating the surface of an aluminum-based material so as to make the surface resistant to corrosion includes the steps of contacting the surface with an aqueous cerium non-halide solution and then contacting the surface with...
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5154779 |
A method of nitriding an article of refractory-nitride-forming metal or metalloids. A consolidated metal or metalloid article is placed inside a microwave oven and nitrogen containing gas is introduced into the microwave oven. The metal ...
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5139623 |
This disclosure relates to a method of forming a tinted oxide film on the surface of austenite stainless steel. The method comprises electropolishing the surface, oxidizing the surface at a temperature to form the oxide film and then cle...
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5124022 |
An improved valve metal electrolytic capacitor is disclosed, such as an aluminum electrolytic capacitor, as well as a method of making same wherein the improvement comprises forming a hydration resistant composite layer on the valve meta...
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5089443 |
A method for making a heat sink device as constructed for use with a semiconductor circuit chip 15. On a thermally conductive substrate a layer of a metal alloy is deposited. The metal alloy is thermally conductive and electrically insul...
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5089063 |
A process for treating metal surfaces to obtain improved susceptibility to bonding with adhesive compositions is disclosed. A metal surface is oxidized with a halogen to form a monolayer of halide ions on the surface. The halide ions are...
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4956058 |
A scroll type fluid displacement apparatus is disclosed in which the scrolls are made of aluminum or an aluminum alloy to reduce the weight of the apparatus. The scrolls are finished by end milling and then electrolytically or chemically...
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4897128 |
Described is a process for determining the zinc content of an acid aqueous phosphating bath. A bath sample is titrated at a pH value between 1.2 and 1.7 in the presence of ethylenediaminetetraacetic acid, hexamethylenetetramine and alkal...
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