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WO/2019/121793A1 |
The invention describes a method for producing a cold-rolled flat steel product having a metal anti-corrosion layer. The method comprises the work steps: melting a steel melt which contains, in addition to iron and unavoidable impurities...
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WO/2019/103323A1 |
The purpose of the present invention is to provide a cavitation nozzle capable of removing microcontaminants on the surface of a steel plate. According to one embodiment, a cavitation nozzle is provided having: a low-pressure water nozzl...
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WO/2019/082591A1 |
This method comprises: preparing a stainless steel plate as a material; removing an oxide film on the surface of the stainless steel plate; and electrolytically etching the stainless steel plate in an active region of the stainless steel...
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WO/2019/077995A1 |
The present invention addresses the problem of providing: an aluminum foil which exhibits good adhesion to an electrode material, while being highly conductive to the electrode material; and an aluminum member for electrodes. An aluminum...
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WO/2019/071760A1 |
A weld pass processing gun, relating to the technical field of welding, and comprising a handle (1), a gun head (2) mounted on the handle (1), and an electrolyte replenishment device (3). The gun head (2) comprises a main shaft (21) and ...
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WO/2019/074215A1 |
Disclosed are an austenite-based stainless steel with excellent electric conductivity and a manufacturing method therefor, wherein the austenite-based stainless steel is capable of ensuring an excellent conductive surface layer through t...
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WO/2019/073819A1 |
The purpose of the present invention is to enable one or more kinds of metals adhered to a metal plate to be dissolved at the same time, thereby reducing the time spent removing the adhered metals. This method for removing adhered metals...
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WO/2019/066566A1 |
One embodiment relates to an electrode frame for electropolishing, a variable electrode frame and an electropolishing apparatus comprising same. In order to achieve such purpose, the electrode frame, according to the embodiment, is an el...
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WO/2019/063957A1 |
A method for porosifying a Ill-nitride material in a semiconductor structure is provided, the semiconductor structure comprising a sub-surface structure of a first Ill-nitride material, having a charge carrier density greater than 5 x 10...
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WO/2019/066584A1 |
One embodiment relates to an electrode frame for electropolishing and an electropolishing apparatus comprising same. The electrode frame for electropolishing, according to the embodiment, is an electrode frame used for an electrolytic ce...
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WO/2019/050947A1 |
Three-dimensional scaffolds to facilitate engineered tissue growth are described herein. An exemplary scaffold comprises a first capillary element, a second capillary element, and a connective element that spans a distance between the fi...
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WO/2019/025203A1 |
The invention relates to a textile machine tool part (11) which is used in textile processing in a textile machine, and to a method for production of same. The textile machine tool part (11) has a tool core (16) made of a core material w...
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WO/2019/026974A1 |
Provided is an aluminum foil having excellent penetrability and handling properties (mechanical strength). According to the present invention, the thickness of the aluminum foil is greater than 0 μm and equal to or less than 50 μm; a p...
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WO/2019/015198A1 |
Disclosed is a weld bead cleaning machine capable of realizing automatic electrolyte replenishment, comprising a power supply module and a cleaning gun, wherein the power supply module is provided with a power supply output wire and a gr...
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WO/2019/014034A1 |
This disclosure provides techniques for treatment of aqueous matrices using electrolysis to produce soluble metals. An aqueous matrix of interest is passed through an electrolysis device with at least one consumable electrode, which diss...
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WO/2019/006603A1 |
A polishing agent, an aluminum alloy part and a polishing process therefor. The polishing agent is used for surface pretreatment of an aluminum alloy part and comprises the following components in parts by weight per 100 parts by weight ...
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WO/2018/225957A1 |
The present invention provides a method of tin-plating a copper alloy for electric or electronic parts and automobile parts which has an excellent insertion force, heat-resistant peeling, and solderability, and a tin-plating material of ...
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WO/2018/218894A1 |
Disclosed in the present invention is a method for electrolytically deplating a zinc layer and a chromium passivation layer on the surface of an iron piece, comprising the steps of: connecting an iron piece to be deplated to the positive...
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WO/2018/220891A1 |
This plate material (1) comprises a clad material (10) which has a thickness of 2 mm or less and which is provided with: a first layer (11) composed of Cu, a Cu alloy, Al or an Al alloy; and a second layer (12) and a third layer (13) tha...
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WO/2018/217701A1 |
A method for cleaning a surface of an aluminum or aluminum alloy body by immersing the surface in a basic aqueous electrolyte formed essentially from dissolved trisodium phosphate, flowing DC current through the electrolyte and the body ...
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WO/2018/215057A1 |
The present invention relates to a method for production of a noble metal salt preparation, the noble metal salt preparation comprising at least one noble metal sulfonate and thiourea and the use for surface coating by electroplating or ...
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WO/2018/209441A1 |
The apparatus for making a nanopore in a membrane generally has an electrode configured to connect to one of two opposing surfaces of the membrane; a conductive tip configured to contact a location of the other one of the two opposing su...
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WO/2018/198685A1 |
This stainless steel for a fuel cell separator has a predetermined composition, and has, on the surface thereof, a recess-and-protrusion structure in which a mean interval between protruding parts is 20-200 nm, wherein, on the surface of...
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WO/2018/199548A1 |
Disclosed are: an exterior material of home appliances, the exterior material having improved corrosion resistance and fingerprint resistance due to a change in the treatment method of the surface of the exterior material of the home app...
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WO/2018/181941A1 |
Provided is a surface treatment device that can easily reduce the time required for surface treatment while maintaining flow of an electrolytic treatment solution. An electrode device 16 is provided with a closed part 15 facing a bottom ...
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WO/2018/181554A1 |
The present invention addresses the problem of providing a colored aluminum plate having appropriate glossiness. This colored aluminum has: an aluminum substrate; and a resin layer provided on the aluminum substrate, wherein the resin la...
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WO/2018/180837A1 |
Provided are: a method for manufacturing a water supply device, wherein nickel plating that is not covered with chrome plating can be easily removed; and a water supply device. According to the present invention, a predetermined potentia...
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WO/2018/170843A1 |
Methods and systems for plating a nickel alloy member are described. Methods include submerging a member in a salt solution and establishing a voltage between an electrode and the member such that the member is at a higher electrical pot...
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WO/2018/172586A1 |
The invention relates to an electropolishing device comprising means for creating friction between metal pieces (4) to be polished, which are connected to an electrical pole, and at least one free, solid electrically conductive body conn...
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WO/2018/145331A1 |
The invention provides a graphene-porous silicon material having high photoluminescence property and a preparation method. The preparation method comprises the following steps: 1, preparing a single layer of graphene on a copper foil by ...
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WO/2018/145132A2 |
A method and apparatus for removing a coating from a gas turbine engine component enabling repair of the component, including application of a braze alloy, without fluoride ion cleaning uses electrolytic stripping of the component in an ...
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WO/2018/139072A1 |
Provided is an electrolytic etchant composition which is capable of producing a substrate containing aluminum, said substrate having high electrostatic capacity and being suitable as an electrode material for aluminum electrolytic capaci...
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WO/2018/129871A1 |
A stainless steel and plastic combined member, and a processing method therefor. The stainless steel and plastic combined member comprises a stainless steel substrate (1). Honeycomb pores (11) are formed on the surface of the stainless s...
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WO/2018/129872A1 |
A stainless steel and plastic combined member, and a processing method therefor. The stainless steel and plastic combined member comprises a stainless steel substrate (1). Honeycomb pores (11) are formed on the surface of the stainless s...
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WO/2018/121810A2 |
The invention relates to a method for treating at least a part of an object surface by means of a treatment solution (12), wherein the treatment solution (12) contains water and a source of negatively charged chlorine ions, and wherein c...
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WO/2018/123588A1 |
The cleaning agent composition for a steel sheet according to the present invention contains 0.1-6.0 mass% of an alkali agent (component A), 0.01-2.0 mass% of a chelating agent (component B), 0.01-2.0 mass% of a surfactant (component C),...
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WO/2018/114960A1 |
The invention relates to a method for the treatment of an Fe-Ni-Cr alloy wall of an industrial reactor, which reduces the formation of coke on the wall when it is subjected to operating conditions conducive to coking, the structure of sa...
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WO/2018/114963A1 |
The invention relates to a method for the treatment of an Fe-Ni-Cr alloy wall of an industrial reactor, which reduces the formation of coke on the wall when it is subjected to operating conditions conducive to coking, the structure of sa...
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WO/2018/102844A1 |
The invention relates to a method for the electrochemical polishing of metal surfaces by means of repeating pulse sequences, wherein at least one anodic pulse is provided, the current intensity of which rises continuously in the time cur...
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WO/2018/102845A1 |
The invention relates to an electrolyte for electropolishing metal surfaces, said electrolyte comprising methanesulphonic acid and additionally at least one phosphonic acid, as well as to an electropolishing method for same.
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WO/2018/091723A2 |
The present invention relates to an injector component of an injector for introducing a fluid, the injector component comprising a main body (40), a coating (10) on at least one first end face (43) of the main body (40), wherein the coat...
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WO/2018/068983A1 |
The present invention refers to a method for processing a wafer like substrate using a touching gripper and a touchless gripper. Furthermore, the present invention refers to an apparatus for processing a wafer-like substrate containing a...
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WO/2018/062319A1 |
The present invention provides an electrode foil that satisfies both the strength and thinness of an electrode foil and allows for an improvement in the capacity of the entire foil, and an electrolytic capacitor that uses the electrode f...
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WO/2018/047527A1 |
[Problem] To provide a colored stainless steel article having excellent viewing-angle color tone discrimination and excellent corrosion resistance, in which a chemical coloration technique having improved industrial color tone is used. [...
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WO/2018/047654A1 |
The purpose of the present invention is to provide an electrolytic degreasing method and an electrolytic degreasing device using the same that can more reliably remove contaminating substances such as oils from the surface of an article ...
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WO/2018/038430A1 |
An embodiment of the present invention relates to a vertical electrolytic device having an improved structure to easily discharge bubbles generated during an electrolysis process that is used for surface modification of a separator of a ...
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WO/2018/030978A1 |
A method for cleaning a surface of a metal or metal alloy body by immersing the surface in a basic aqueous electrolyte containing carbonate ions, and flowing DC current through the body to make the body anodic. After a time, the flow of ...
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WO/2018/019321A1 |
The invention relates to a heterostructure comprising at least one first surface containing only copper and at least one second surface, opposite the first surface, containing only aluminium or an aluminium alloy with solid solutions pre...
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WO/2018/019532A1 |
A method for polishing a conductive metal surface is provided. The method comprises the steps of a) providing an electrolyte comprising ammonium nitrate and ammonium chloride, b) connecting a first electrode to the conductive metal surfa...
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WO/2018/020228A1 |
A method of removing nuclear contamination from a surface comprising applying a DC-biased AC waveform in an electro-pickling process using nitric acid as the electrolyte.
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