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WO/2024/064368A1 |
The present disclosure provides methods of manufacturing porous silicon structures having controlled sizes, shapes, and porosity by using a series of protective layers and selective etching steps. A benefit of the methods disclosed herei...
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WO/2024/057608A1 |
An electrode comprising: a substrate having a surface formed of at least one of nickel, nickel oxide, and nickel hydroxide; and scale-like protruding parts provided on the surface of the substrate.
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WO/2024/056315A1 |
The invention relates to an electrolyte medium for electrochemical polishing of metal workpieces, which on the one hand contains a plurality of solid granulate particles and on the other hand contains a liquid electrolyte. According to t...
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WO/2024/051888A1 |
The invention relates to a wafer holder for extensively electrically contacting a semiconductor wafer (40) comprising a metal body (10) with a metal flat side (12) offset by the offset height L on the upper side and a gas coupling (16) a...
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WO/2024/051353A1 |
The present invention belongs to the technical field of electrolytic corrosion. Provided are an anode-cathode apparatus for on-site metallographic electrolytic corrosion, and a method for using same. The anode-cathode apparatus comprises...
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WO/2024/048106A1 |
This substrate processing apparatus performs electrolytic etching on the peripheral edge of a substrate (9). A first etching head (611) radially faces the peripheral edge of the substrate (9) in a part of the circumference around a rotat...
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WO/2024/049360A2 |
The invention relates to the method for electrochemical surface treatment of biomedical product made of titanium or Ti-based alloys characterized in that it comprises the steps: Immersion of the degreased and cleaned biomedical product i...
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WO/2024/044133A1 |
Disclosed is a method of electrochemical delamination of polymeric films from metallic articles. Also disclosed are systems for achieving the same.
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WO/2024/041968A1 |
The invention relates to a method for controlling the chromium feed in an electrolysis process for producing a chromium layer by means of direct current and use of an anode (44, 144, 244) and a cathode (48, 148, 248), comprising, during ...
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WO/2024/027108A1 |
The present invention relates to an electrode having an integrated composite structure of a matrix and a catalyst layer, and a preparation method therefor. The method comprises the following steps: (1) carrying out impurity removal treat...
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WO/2024/021403A1 |
The present invention relates to a nickel-based alloy composite electrode having a gradient component structure, and a preparation method therefor and a use thereof. The method comprises: placing a nickel matrix in a weak acid solution f...
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WO/2024/012313A1 |
The present invention relates to an etched copper catalyst for an electrochemical CO2 reduction into methane, a preparation method therefor and a use thereof. The catalyst uses a commercial copper foil as a main body, and active sites ar...
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WO/2024/012312A1 |
The present invention relates to a surface-reconstructed copper catalyst, a preparation method therefor and a use thereof in CO2 electroreduction. According to the copper catalyst, surface reconstruction is performed on copper foil by me...
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WO/2024/005014A1 |
This slip prevention member has, on at least a portion of a surface of a base material composed of an inorganic material, a protrusion area in which a plurality of protrusions are erected, wherein: the protrusion area has a first directi...
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WO/2024/003401A1 |
The invention relates to a device (1) and a method for plasma-electrolyte processing of an electrically conductive surface (2) of a workpiece (3), wherein it is essential that at least two jet active regions are generated on the workpiec...
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WO/2023/243409A1 |
This substrate treatment device removes an object to be removed from a substrate using a treatment solution. The substrate treatment device comprises: a holding unit that holds the substrate; a solution supply unit that supplies treatmen...
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WO/2023/241912A1 |
The invention relates to a measuring tube arrangement (10) comprising: two support bodies (21, 22), each with at least one bore (23, 24, 25, 26); and at least one tube, in particular a measuring tube (11, 12) with a lumen for guiding a m...
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WO/2023/238608A1 |
This surface treatment method for planarizing a surface to be treated (W1) which is a surface of a workpiece (W) includes the procedure, processing, or steps described below. With an alkaline electrolyte solution (S) sandwiched between a...
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WO/2023/232420A1 |
The present invention relates to a module kit for a chemical and/or electrolytic surface treatment of a substrate, a platform assembly comprising such a module kit, a method for a chemical and/or electrolytic surface treatment of substra...
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WO/2023/232322A1 |
The invention relates to a stripping solution (14), to a method (41), and to a device (10) for a wet chemical removal of a PVD or CVD titanium nitride layer from a hard metal support element using such a solution (14). According to the i...
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WO/2023/225279A1 |
Systems and methods for beneficially affecting the surface morphology of electrically conductive materials using electrochemistry are described. The systems and methods for beneficially affecting the surface morphology of electrically co...
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WO/2023/222913A1 |
The invention relates to an application nozzle (20, 56, 56', 56'') for applying an active dental substance in the oral cavity of a patient, in particular for a system (1, 1') for cleaning an implant part (2) contaminated with biofilm. Ac...
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WO/2023/218390A1 |
The invention refers to the electrochemical polishing process of metal surfaces known as plasma electropolishing, plasma electrolytic polishing (PEP), using a salt-based solution. The present invention dwells on the ideal composition of ...
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WO/2023/209371A2 |
A mounting body for electrochemically machining a cavity of a component is disclosed. The mounting body comprises: an engagement face, at least part of an electrode and a plurality of electrode channels. The engagement face is engageable...
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WO/2023/198779A1 |
An apparatus for electrochemical treating of a semiconductor substrate comprising at least one first tank filled with an electrolyte and comprising at least one first electrode, at least one second tank filled with an electrolyte and com...
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WO/2023/190830A1 |
A rhenium tungsten alloy wire according to an embodiment is a wire composed of a tungsten alloy containing rhenium, wherein the NH4 amount on the wire surface, as obtained from the weight of NH4 ions on the wire surface/the weight of the...
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WO/2023/192837A2 |
Methods and systems for the electrochemical finishing of SiC wafers. Embodiments of these methods use an applied electrical bias, an electrolytic oxidant removal solution and light to remove raised surface features and imperfections of a...
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WO/2023/190832A1 |
A rhenium-tungsten alloy wire according to an embodiment is formed of a tungsten alloy containing rhenium, in which, in an arbitrary measurement area in which a unit area on the wire surface is 50 µm in diameter, a ratio W/Re between an...
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WO/2023/179733A1 |
A copper removing device for a conductive band. The copper removing device comprises: a copper deplating tank and a conductive band transmission mechanism, wherein the copper deplating tank is used for accommodating a copper deplating so...
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WO/2023/174477A1 |
The invention relates to a method for processing a workpiece by means of electrochemical machining, in which i) the workpiece is introduced into a working chamber and the working chamber is closed, ii) in the working chamber, in an elect...
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WO/2023/167760A1 |
A method of plating substrates may include placing a substrate in a plating chamber comprising a liquid, and applying a current to the liquid in the plating chamber to deposit a metal on exposed portions of the substrate, where the curre...
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WO/2023/161265A1 |
The invention relates to an etching device for a workpiece to be processed by means of an etching liquid, the device comprising a cavity into which the workpiece can be introduced. The cavity is surrounded at least in some regions by at ...
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WO/2023/159531A1 |
A bead wire (10) and a manufacturing method. The carbon content of a base surface layer (12) of the bead wire (10) is 1.01-1.50 times the carbon content of a base. The manufacturing method comprises: S1, processing a wire to obtain a pre...
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WO/2023/141723A1 |
Provided is a method for dislodging material from a surface of an electrode. The surface of the electrode is generally covered by a liquid electrolyte. The method comprises forcing a mass of gas onto a surface of the liquid electrolyte, ...
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WO/2023/124975A1 |
Disclosed are an ion exchange resin applied to dry electropolishing of metal workpieces and a use thereof. The ion exchange resin is an organic, slightly acidic cation exchange resin with a porous structure; the ion exchange resin contai...
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WO/2023/124980A1 |
A particulate matter applied to solid electrolytic polishing of a metal part and an application method. The particulate matter is solid particles of a porous structure; the particulate matter contains hydroxyl groups, and the interiors a...
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WO/2023/124977A1 |
Disclosed are solid particles used for electrolytic polishing of a metal part; said solid particles have a porous structure; a solid particle contains an amino group; the interior and/or surface of the pore channel of the solid particula...
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WO/2023/111220A1 |
The invention relates to a method for producing a molding element (10) of a baking mold, the molding element being produced by means of an additive manufacturing method, the molding element comprising a molding inner surface (10) and an ...
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WO/2023/108197A1 |
An electrochemical treatment electrode configured to contact an internal surface of metallic article with an electrochemical treatment fluid, the electrode comprising: a flexible conducting body; and a plurality of flexible elements conn...
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WO/2023/111219A1 |
The invention relates to a method for manufacturing a moulding element of a curing mould, the moulding element being manufactured by an additive manufacturing method, the moulding element comprising an inner moulding surface and an outer...
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WO/2023/104999A1 |
The present invention relates to an aqueous stripping composition for electrolytically re-moving a metal deposit from a substrate, the composition comprising (i) nitrate anions, (ii) one or more than one carboxylic acid and/or salts ther...
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WO/2023/096187A1 |
A method for manufacturing a fine metal mask by using dry etching according to the present invention comprises: a metal film attachment step of attaching a metal film to the top of a glass substrate; a photoresist laminating step of lami...
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WO/2023/083374A1 |
A wafer processing system (1) is provided. The system (1) includes a processing tool (10) comprising at least one grinding member (16) used to remove material from a wafer substrate (80). The system (1) also includes an electrolyte suppl...
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WO/2023/085527A1 |
The present invention relates to a method for manufacturing a separator. The method for manufacturing a separator according to the present invention, which is a method for manufacturing a separator used for a polymer electrolyte membrane...
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WO/2023/072902A1 |
The invention relates to a method of producing a steel wire for use in the reinforcement of rubber articles, the method comprising at least one step of electro-polishing a metal wire of diameter d1 by passing it continuously through a ba...
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WO/2023/067214A1 |
The present invention relates to an electrolytic medium for electropolishing and electropolishing method with said medium, the electrolytic medium comprising solid electrolyte particles comprising: solid particles able to retain liquid, ...
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WO/2023/061532A1 |
The invention relates to a method for machining a workpiece (11) by means of an electrochemical machining process (51) in which material is removed from the workpiece (11) in an electrolyte liquid (15), wherein the electrolyte liquid (15...
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WO/2023/056725A1 |
The present invention relates to the technical field of corroded foil manufacturing. Disclosed is a method for preparing a corroded aluminum foil having high hole length consistency, comprising the following steps: a) putting an aluminum...
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WO/2023/048254A1 |
Provided is a novel production method for a conical hollow needle that makes it possible to efficiently form a conical part that has a nearly perfectly circular outer circumferential surface shape. The present invention is a production...
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WO/2023/042470A1 |
This ferritic stainless steel sheet has a chemical composition comprising, in % by mass, more than 0% and 0.008% or less of C, 0.01 to 2.50% of Si, 0.01 to 0.50% of Mn, 0.0001 to 0.040% of P, 0.001 to 0.010% of S, 0.001 to 2.500% of Al, ...
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