Treating Electrolytic Or Nonelectrolytic Coating After It Is Formed Patents (Class 205/220)
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Patent number: 8012333Abstract: There is disclosed a process for producing an aluminium alloy sheet, which comprises subjecting a surface of the sheet to anodising conditions to form on the surface an aluminium oxide barrier layer of thickness 10 to 50 nm and treating the oxide layer with an aqueous solution of alkali to remove the layer, thereby leaving a roughened surface on the alloy sheet.Type: GrantFiled: July 19, 2002Date of Patent: September 6, 2011Assignee: Novelis Inc.Inventors: John Andrew Ward, Jonathan Ball, Martin Philip Amor
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Publication number: 20110212152Abstract: Methods for making modified surfaces and in particular, surfaces that may be lubricious and may be further treated to be anti-microbial are disclosed. Devices comprising modified surfaces prepared by the methods are also disclosed. An exemplary method comprises incubating a photo-initiator-coated substrate in an aqueous monomer solution that is capable of free radical polymerization, exposing the incubating substrate to ultraviolet (UV) light creating a modified surface on the substrate. An anti-microbial agent may be added to the modified surface.Type: ApplicationFiled: December 30, 2010Publication date: September 1, 2011Inventors: Valerio Ditizio, Frank DiCosmo
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Patent number: 8007651Abstract: A process for substantially improving the heat transmission and reflection properties of anodized metals is presented along with a method of improving such properties while allowing for such processed anodized metals to be used for food contact.Type: GrantFiled: October 12, 2005Date of Patent: August 30, 2011Assignee: Transys, LLCInventor: Michael W. Ferralli
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Patent number: 8002960Abstract: A method for manufacturing a nano-particulate electrode for Dye Solar Cells including the steps of providing an electrically conductive substrate, formation of a nanoparticulate layer on the substrate, application of dye to the nanoparticulate layer and an additional step of electrolytic treatment of the nanoparticulate layer in an electrolyte.Type: GrantFiled: December 17, 2004Date of Patent: August 23, 2011Assignee: Dyesol Ltd.Inventors: Igor Lvovich Skryabin, Graeme Leslie Evans
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Publication number: 20110195196Abstract: The present invention relates to a method for manufacturing a transparent oxide electrode using an electron beam post-treatment. The method for manufacturing a transparent oxide electrode comprises the steps of: (a) forming a thin film for the transparent anode on a substrate; and (b) irradiating an electron beam to the surface of the thin film for the transparent oxide electrode. The method of the present invention is characterized in that no additional heat treatment process is performed after step (a). The method for manufacturing a transparent oxide electrode according to the present invention does not perform a high-temperature heat treatment process but rather performs a low-temperature electron beam irradiation process as a post-treatment, thus obtaining a transparent oxide electrode having excellent characteristics in case where the substrate is made of glass, Pyrex, quartz or even a polymer material which has a low resistance against heat.Type: ApplicationFiled: October 5, 2009Publication date: August 11, 2011Inventor: Yong Hwan Kim
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Publication number: 20110195272Abstract: A process is provided for the protection of a metal substrate of an aircraft part, in particular made of aluminum alloy, from corrosion and abrasion. The method includes the formation, on the substrate, of a coating made of alloy of zinc and nickel and then polishing the coating thus formed. This process can additionally include applying, to the polished coating made of alloy of zinc and nickel, a transparent and airtight surface coating.Type: ApplicationFiled: February 8, 2011Publication date: August 11, 2011Applicant: DALICInventors: Sylvie Guibert-Claverie, Yvan Thareau
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Publication number: 20110159173Abstract: A method of manufacturing an electrically conductive interconnect for a solid oxide fuel cell stack, including the steps of (a) making a metal substrate having a first surface configured for electrical contact with an anode of the solid oxide fuel cell stack and a second surface configured for electrical contact with a cathode of the solid oxide fuel cell stack; (b) depositing a layer comprising metallic cobalt over at least a portion of at least one of the first and second surfaces; and (c) subjecting the metallic cobalt to reducing conditions, thereby causing at least a portion of the metallic cobalt to diffuse into the metal substrate.Type: ApplicationFiled: March 3, 2011Publication date: June 30, 2011Applicant: DELPHI TECHNOLOGIES, INC.Inventors: SUBHASISH MUKERJEE, KARL J. HALTINER, JR., KERRY DUANE MEINHARDT, JIN YONG KIM, ERIC MAST, VINCENT LEE SPRENKLE
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Publication number: 20110120943Abstract: A biocompatible filter member for body fluid dialysis is provided. The filter membrane comprises a porous substrate comprising a metal oxide, and the filter member has all exposed surfaces provided with a biocompatible coating. A method of making the biocompatible filter member is further provided.Type: ApplicationFiled: December 4, 2008Publication date: May 26, 2011Applicant: NANEXA ABInventors: Anders Johansson, Marten Rooth, Mats Boman, Anders Harsta, Jan-Otto Carlsson, Lars-Ake Brodin
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Publication number: 20110114497Abstract: Disclosed herein is a method for the surface treatment of magnesium or a magnesium alloy by anodization to form an anodized oxide coating on the magnesium or magnesium alloy. The method comprises: removing impurities and an oxide layer present on the surface of magnesium or a magnesium alloy using a strongly alkaline aqueous solution (pretreatment); and immersing the pretreated magnesium or magnesium alloy in an alkaline electrolyte and applying a direct current having a current density of 3 A/dm2 or less to the electrolyte to form a magnesium oxide coating (microarc plasma anodization).Type: ApplicationFiled: May 21, 2010Publication date: May 19, 2011Applicants: KC CHEMICAL CO., LTD., KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGYInventors: Hong Gyeun Kim, Kyu Hwan Seo, Jae Eun Lee, Tae Seung Song, Seong Ho Han
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Patent number: 7943020Abstract: The invention relates to a cathode for electrolytic processes, particularly suitable for hydrogen evolution in chlor-alkali electrolysis, consisting of a nickel substrate provided with a coating comprising a protective zone containing palladium and a physically distinct catalytic activation containing platinum or ruthenium optionally mixed with a highly oxidizing metal oxide, preferably chromium or praseodymium oxide.Type: GrantFiled: April 13, 2009Date of Patent: May 17, 2011Assignee: Industries de Nora S.p.A.Inventors: Antonio Lorenzo Antozzi, Claudia Jennifer Bargioni, Alice Calderara, Luciano Iacopetti, Gian Nicola Martelli, Christian Urgeghe
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Patent number: 7938949Abstract: The invention relates to a method for producing a hardened profiled structural part from a hardenable steel alloy with cathodic corrosion protection. The method includes applying a coating to a sheet made of a hardenable steel alloy, wherein the coating comprises zinc, and the coating further comprises one or several elements with affinity to oxygen in a total amount of 0.1 weight-% to 15 weight-% in relation to the total coating. After applying the coating, the coated sheet steel is roller-profiled in a profiling device, so that the sheet tape is formed into a roller-formed profiled strand. Thereafter, the coated sheet steel is brought, at least in parts and with the admission of atmospheric oxygen, to a temperature required for hardening and is heated to a structural change required for hardening. A skin made of an oxide of the element(s) with affinity to oxygen is formed on the surface of the coating.Type: GrantFiled: November 1, 2010Date of Patent: May 10, 2011Assignee: voestalpine Stahl GmbHInventors: Werner Brandstatter, Herbert Eibensteiner, Martin Fleischanderl, Josef Faderl, Gerald Landl, Anna Elisabeth Raab, Siegfried Kolnberger
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Patent number: 7918983Abstract: A substrate plating method makes it possible to plate a metal, such as copper or a copper alloy, uniformly into fine recesses in a substrate without forming voids in the metal-filled recesses. The substrate plating method for filling a metal into fine recesses in a surface to be plated of a substrate includes carrying out first plating on the surface to be plated in a plating solution containing a plating accelerator as an additive, carrying out plating accelerator removal processing by bringing a remover, having the property of removing or decreasing the plating accelerator adsorbed on the plating surface, into contact with the plating surface, and then carrying out second plating on the plating surface at a constant electric potential.Type: GrantFiled: March 26, 2007Date of Patent: April 5, 2011Assignee: Ebara CorporationInventors: Yasuhiko Saijo, Keisuke Hayabusa, Masanori Hayase, Yuya Touke
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Publication number: 20110000793Abstract: The invention relates to a coating method for a workpiece, including the following method steps: a) applying a coating liquid to the workpiece, wherein the coating liquid comprises an ionic liquid containing ions of at least one element, b) electrochemically depositing a layer of the at least one element from the coating liquid on the workpiece, c) removing the workpiece from the coating liquid, d) removing excess coating liquid from the workpiece. In order to suggest an industrially suitable coating process, particularly for workpieces having at least a partial metal surface, using stable, durable baths, it is provided that the temperature of the workpiece is set such that the temperature of the coating liquid deviates by no more than 10° C.Type: ApplicationFiled: February 20, 2009Publication date: January 6, 2011Applicant: EWALD DOERKEN AGInventors: Thomas Kruse, Gerhard Reusmann, Sandra Boehm
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Publication number: 20100326837Abstract: The present invention provides a method of manufacturing anode foil for aluminum electrolytic capacitors with high capacitance and decreased leakage current. The method has the following steps: dipping etched aluminum foil into pure water having a temperature of 90° C. or higher so as to form a hydrated film on the foil; attaching organic acid to the surface of the hydrated film; performing main chemical conversion on the aluminum foil with application of formation voltage after the attaching step; performing depolarization on the aluminum foil after the main chemical conversion step; and performing follow-up chemical conversion on the aluminum foil after the main chemical conversion step. The main chemical conversion treatment has two-or-more stages. In the first stage of the treatment, the foil is dipped into a phosphate aqueous solution, and in the last stage, it is dipped into an aqueous solution different from the phosphate aqueous solution.Type: ApplicationFiled: June 7, 2010Publication date: December 30, 2010Inventors: Naomi KURIHARA, Katsunori Matsuda, Fumiaki Kawaguchi, Takahiro Suzuki
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Patent number: 7851025Abstract: The present invention describes a method for the post-treatment of fully sealed anodized aluminum parts, especially for the automotive industry, characterized in that an aqueous silicate solution is applied to fully sealed anodized aluminum layers, where said fully sealed anodized aluminum layer has a film thickness of at least 5 ?m and a film weight of at least 13 g/m2, respectively. Said solution preferably contains an alkali metal (M) silicate with not more than 2.0 wt.-% of SiO2, in which the ratio of SiO2:M2O is preferably not more than 2. This treatment increases the alkaline stability according to the standardized corrosion tests in the automotive industry without any further treatment or organic coating applied to said treated aluminum surface.Type: GrantFiled: June 27, 2007Date of Patent: December 14, 2010Assignee: Henkel AG & Co. KGaAInventor: John Lawlor
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Patent number: 7833403Abstract: This invention involves the technological field of electroplating, chemical plating, specially involves a method for partially plating aluminum and aluminum copper radiators. A radiator is conducted partial chemical oxidation and enclosure before undergoing galvanization. Firstly oxidize the non-plate surface of the radiator by chemical oxidation, then utilize a sealing compound to fill up tiny holes of the porous layer to make a film thereon against the erosion of acid and alkali, and then process common chemical plating or electroplating. Only plate a weldable nickel-phosphorus alloy on the touching parts at where the aluminum radiator or the aluminums and copper radiator connect with the main frame.Type: GrantFiled: October 16, 2007Date of Patent: November 16, 2010Assignee: TWD Metal Production Co., Ltd.Inventors: Wenzhen Xie, Donglin Li
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Patent number: 7832242Abstract: The invention relates to a method for producing a hardened profiled structural part from a hardenable steel alloy with cathodic corrosion protection. The method includes applying a coating to a sheet made of a hardenable steel alloy, wherein the coating comprises zinc, and the coating further comprises one or several elements with affinity to oxygen in a total amount of 0.1 weight-% to 15 weight-% in relation to the total coating. After applying the coating, the coated sheet steel is roller-profiled in a profiling device. Thereafter, the coated sheet steel is heated to a structural change required for hardening. A skin made of an oxide of the element(s) with affinity to oxygen is formed on the surface of the coating. After sufficient heating the sheet is cooled, wherein the rate of cooling is set in such a way that hardening of the sheet alloy is achieved.Type: GrantFiled: June 9, 2004Date of Patent: November 16, 2010Assignee: voestalpine Stahl GmbHInventors: Werner Brandstätter, Herbert Eibensteiner, Martin Fleischanderl, Josef Faderl, Gerald Landl, Anna Elisabeth Raab, Siegfried Kolnberger
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Patent number: 7811427Abstract: Permanent or temporary alignment and/or retention structures for receiving multiple components are provided. The structures are preferably formed monolithically via a plurality of deposition operations (e.g. electrodeposition operations). The structures typically include two or more positioning fixtures that control or aid in the positioning of components relative to one another, such features may include (1) positioning guides or stops that fix or at least partially limit the positioning of components in one or more orientations or directions, (2) retention elements that hold positioned components in desired orientations or locations, and/or (3) positioning and/or retention elements that receive and hold adjustment modules into which components can be fixed and which in turn can be used for fine adjustments of position and/or orientation of the components.Type: GrantFiled: March 12, 2007Date of Patent: October 12, 2010Assignee: Microfabrica Inc.Inventors: Adam L. Cohen, Daniel I. Feinberg, Christopher A. Bang
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Publication number: 20100230289Abstract: A method of treating metallic workpieces with an anodizing solution, compositions of the anodizing solution and the coatings prepared with this anodizing solution for anodizing metallic surfaces, especially surfaces of magnesium, magnesium alloys, aluminum and aluminum alloys, are disclosed. The compositions are basic aqueous solutions comprising a water-soluble inorganic hydroxide, phosphorus and oxygen containing anions, at least one surfactant and an alkaline buffer based on at least one alkaline hydrolyzed silane, on at least one alcohol showing at least one alkaline radical group or on a mixture of them.Type: ApplicationFiled: March 26, 2010Publication date: September 16, 2010Inventor: IIya Ostrovsky
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Publication number: 20100230287Abstract: Gold is subjected to anodic oxidation in an aqueous solution of a carboxylic acid or carboxylate. The carboxylic acid can be selected from formic acid, acetic acid, propionic acid, lactic acid, oxalic acid, malonic acid, succinic acid, maleic acid, malic acid, tartaric acid, and citric acid. The carboxylate can be selected from salts of the above-described acids. A potential applied to a gold electrode can be in the range of about +1.5 to about 11 V with respect to a potential of a standard hydrogen electrode. Thereby, a uniform porous gold film having a pore size of several nanometers to several hundreds of nanometers is formed.Type: ApplicationFiled: March 12, 2010Publication date: September 16, 2010Applicant: Tokyo Metropolitan UniversityInventors: Kazuyuki NISHIO, Hideki MASUDA
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Publication number: 20100224501Abstract: The present invention relates to methods and apparatus for plating a conductive material on a workpiece surface in a highly desirable manner. Using a workpiece-surface-influencing device, such as a mask or sweeper, that preferentially contacts the top surface of the workpiece, relative movement between the workpiece and the workpiece-surface-influencing device is established so that an additive in the electrolyte solution disposed on the workpiece and which is adsorbed onto the top surface is removed or otherwise its amount or concentration changed with respect to the additive on the cavity surface of the workpiece. Plating of the conductive material can place prior to, during and after usage of the workpiece-surface-influencing device, particularly after the workpiece surface influencing device no longer contacts any portion of the top surface of the workpiece, to achieve desirable semiconductor structures.Type: ApplicationFiled: May 24, 2010Publication date: September 9, 2010Applicant: NOVELLUS SYSTEMS, INC.Inventor: Bulent M. Basol
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Publication number: 20100219079Abstract: Membranes including anodic aluminum oxide structures that are adapted for separation, purification, filtration, analysis, reaction and sensing. The membranes can include a porous anodic aluminum oxide (AAO) structure having pore channels extending through the AAO structure. The membrane may also include an active layer, such as one including an active layer material and/or active layer pore channels. The active layer is intimately integrated within the AAO structure, thus enabling great robustness, reliability, resistance to mechanical stress and thermal cycling, and high selectivity. Methods for the fabrication of anodic aluminum oxide structures and membranes are also provided.Type: ApplicationFiled: March 1, 2010Publication date: September 2, 2010Applicant: SYNKERA TECHNOLOGIES, INC.Inventors: Dmitri Routkevitch, Oleg G. Polyakov
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Patent number: 7767072Abstract: A method for forming a modified platinum aluminide coating on a turbine engine component surface includes the step of forming a platinum layer on the turbine engine component surface. A bath is then prepared, including a mixture of a primary alcohol and a tertiary alcohol, and an electrolyte including an yttrium salt. Then, yttrium from the yttrium salt is electrodeposited onto the platinum layer. The component is heated to diffuse the yttrium into the platinum layer to form a modified platinum layer. Aluminum is then deposited onto the modified platinum layer, and the component is heated to diffuse the aluminum into the modified platinum layer to form a modified platinum aluminide layer.Type: GrantFiled: December 15, 2006Date of Patent: August 3, 2010Assignee: Honeywell International Inc.Inventor: Devlin M. Gualtieri
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Publication number: 20100184932Abstract: Polymerizable diazonium salts having redox properties and absorption in the visible range, a process for preparing them and uses thereof are disclosed. The salts have the general formula: [XX+LnDdEm(N2+)p][(B?)p+x] in which: X is chosen from transition metals, preferably X is chosen from ruthenium (Ru), osmium (Os), iron (Fe), cobalt (Co) and iridium (Ir), x is an integer ranging from 1 to 5 inclusive, L is a ligand chosen from pyridine, bipyridine, terpyridine, phenanthroline and phenylpyridine groups, and mixtures thereof, n is an integer ranging from 1 to 5 inclusive, D is a saturated or unsaturated, C1-C5 alkyl spacer compound, d=0 or 1, E is an aromatic or polyaromatic spacer compound that can contain one or more heteroatoms, m is an integer ranging from 0 to 5 inclusive, p is an integer, and B is a counterion.Type: ApplicationFiled: March 30, 2010Publication date: July 22, 2010Inventors: Gerard Bidan, Bruno Jousselme, Rémi De Bettignies
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Publication number: 20100155249Abstract: An electrochemical method for manufacturing a lithium phosphate (Li3PO4) thin film includes preparing an electroplating solution and forming the lithium phosphate thin film on a conductive substrate under suitable conditions. The electroplating bath includes about 10?2 M to about 10?1 M lithium ion and about 10?2 M to about 1 M monohydrogen phosphate ion (HPO42?) or dihydrogen phosphate ion (H2PO4?).Type: ApplicationFiled: December 30, 2008Publication date: June 24, 2010Applicant: TAIWAN TEXTILE RESEARCH INSTITUTEInventors: Wen-Hsien Ho, Shiow-Kang Yen, Han-Chang Liu, Ching Fei Li
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Publication number: 20100151703Abstract: An edge connector includes, a multilayer printed board having an inner layer and a connector edge, an electronic circuit disposed on the multilayer printed board, an electrical terminal on the multilayer printed board and spaced by a predetermined clearance from the connector edge, an electrical conductor on the multilayer printed board and connected between the electronic circuit and the electrical terminal, a via connected to the electrical terminal and extending to the inner layer of the multilayer printed board, and a lead conductor on the inner layer of the multilayer printed board and connected at one end to the via, another end of the lead conductor being exposed at the connector edge. The electrical terminal is plated. The sum of the length of the via and the length of the lead conductor is less than one-sixth of the wavelength of an electrical signal transmitted.Type: ApplicationFiled: May 14, 2009Publication date: June 17, 2010Applicant: MITSUBISHI ELECTRIC CORPORATIONInventor: Shinji Shibao
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Publication number: 20100124604Abstract: The invention relates to a method of thinning a block transferred to a substrate. According to the invention, the method includes depositing a stop layer at least onto the substrate and in a way adjacent to and contiguous with the transferred block. The stop layer is made out of material of greater resistance or hardness than the material of the transferred block and of smaller thickness than that of the transferred block. The method further includes actuating the thinning of the transferred block. The thinning time is pre-programmed as a function of a predetermined speed of thinning the transferred block, the thinning time being selected so that the thinning also attacks the stop layer.Type: ApplicationFiled: November 17, 2009Publication date: May 20, 2010Applicant: Commissariat A L'Energie AtomiqueInventor: Francois Marion
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Publication number: 20100108524Abstract: The invention relates to a method for manufacturing an article comprising a barrier layer, the method comprising—providing an metallic or metalloid layer to a surface of a substrate by electro-deposition, using a plating liquid comprising an ionic liquid and metal ions or metalloid ions, which metal ions or metalloid ions are reduced and deposited to form the metallic or metalloid layer during the electro-deposition; and—preferably at least partially oxidising the metallic or metalloid layer.Type: ApplicationFiled: April 17, 2008Publication date: May 6, 2010Applicant: Nederlandse Organisatie voor toegepast-natuurweten schappelijk onderzoek TNOInventors: Antonius Maria Bernardus van Mol, Harmannus Franciscus Maria Schoo, Petrus Marinus Martinus Cornelus Bressers, Joost van Erkel, Marinus Marc Koetse
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Publication number: 20100025257Abstract: A method of treating a metal substrate comprise the steps of: anodizing the metal substrate to create pores on the surface of the substrate; and treating the metal substrate by NCVM to form a NCVM coating on the surface of the substrate.Type: ApplicationFiled: December 29, 2008Publication date: February 4, 2010Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventor: DE-FENG GAO
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Patent number: 7618525Abstract: An electroplating method that includes: a) contacting a first substrate with a first article, which includes a substrate and a conformable mask disposed in a pattern on the substrate; b) electroplating a first metal from a source of metal ions onto the first substrate in a first pattern, the first pattern corresponding to the complement of the conformable mask pattern; and c) removing the first article from the first substrate, is disclosed. Electroplating articles and electroplating apparatus are also disclosed.Type: GrantFiled: October 29, 2007Date of Patent: November 17, 2009Assignee: University of Southern CaliforniaInventor: Adam L. Cohen
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Publication number: 20090191446Abstract: In order to provide a method of producing a sealing arrangement for a fuel cell unit by means of which there can be produced a sealing arrangement having good gas-tight properties and good electrical insulation and which exhibits long-term stability in operation of a fuel cell system, there is proposed a method of producing a sealing arrangement for a fuel cell unit which comprises the following process steps: coating a base material of a component with an oxidizable coating material; letting the coating material diffuse into the base material; oxidizing the coating material for the purposes of producing an oxide layer which has a surface resistivity of at least 1.kQ cm2 at the operating temperature of the fuel cell unit.Type: ApplicationFiled: April 21, 2008Publication date: July 30, 2009Inventors: Uwe Maier, Thomas Kiefer
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Publication number: 20090155479Abstract: Lubricant-hard-ductile composite coating compositions and methods of making the same are provided. In embodiment, a composite coating composition comprises: a lubricant phase for providing lubrication to a surface; a hard ceramic phase for providing structural integrity and wear resistance to the surface; and a ductile metal phase for providing ductility to the surface.Type: ApplicationFiled: September 20, 2007Publication date: June 18, 2009Applicant: Inframat CorporationInventors: T. Danny Xiao, John Broadhead, Xinqing Ma
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Publication number: 20090152042Abstract: A bicycle comprises a frame. A portion of the frame includes a substrate and a layer of nano-crystalline material extending over at least a portion of the substrate.Type: ApplicationFiled: August 29, 2008Publication date: June 18, 2009Inventors: David Pierick, Herbert Reyes, William F. Davidson, III, Dhananjay Bhatt, Yongkui Wen
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Publication number: 20090139872Abstract: A cost-favorable process for production of corrosion-resistant sheet steel products, having good characteristics of use for certain application purposes includes applying a zinc-containing coating by electro-galvanizing a flat steel product, finally cleaning mechanically and/or chemically the flat steel product, applying a magnesium-based coating to the finally cleaned zinc-containing coating by means of vapour deposition, and heat treating the coated flat steel product to form a diffusion or convention layer between the zinc-containing coating and the magnesium-based coating at a temperature of 320 ° C. to 335 ° C. under normal atmosphere.Type: ApplicationFiled: September 22, 2006Publication date: June 4, 2009Applicant: ThyssenKrupp Steel AGInventors: Nicole Weiher, Bernd Schuhmacher, Michael Steinhorst, Andreas Klare, Tamara Appel, Ralf Bause, Stefan Kohler, Krasimir Nikolov, Monika Riemer, Slavcho Topalski, Frank Friedel, Wilfried Prange, Reinhard Schulski, Christian Schwerdt, Rolf Bode, Brigitte Bode
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Patent number: 7527721Abstract: Multi-layer structures are electrochemically formed on porous dielectric substrates. In some embodiments, the substrates have at least one surface which is infiltrated with a sacrificial conductive material, all pores (e.g. openings in between dielectric regions of the substrate) or selected pores near the surface of the substrate are opened, and a structural material is deposited to fill at least a portion of the opened pores. If more pores are opened than have been filled or will be filled by the structural material a sacrificial material may be deposited to fill the additional pores. After completing formation of an initial patterned surface on the substrate, a plurality of layers are formed on the substrate (e.g. via electrodeposition operations) and after layer formation is complete, the conductive sacrificial material filling the pores is removed.Type: GrantFiled: May 7, 2004Date of Patent: May 5, 2009Assignee: Microfabrica Inc.Inventors: Pavel B. Lembrikov, Dennis R. Smalley, Adam L. Cohen
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Patent number: 7517444Abstract: The present invention relates to methods and apparatus for plating a conductive material on a workpiece surface in a highly desirable manner. Using a workpiece-surface-influencing device, such as a mask or sweeper, that preferentially contacts the top surface of the workpiece, relative movement between the workpiece and the workpiece-surface-influencing device is established so that an additive in the electrolyte solution disposed on the workpiece and which is adsorbed onto the top surface is removed or otherwise its amount or concentration changed with respect to the additive on the cavity surface of the workpiece. Plating of the conductive material can place prior to, during and after usage of the workpiece-surface-influencing device, particularly after the workpiece surface influencing device no longer contacts any portion of the top surface of the workpiece, to achieve desirable semiconductor structures.Type: GrantFiled: July 26, 2005Date of Patent: April 14, 2009Assignee: Novellus Systems, Inc.Inventor: Bulent M. Basol
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Patent number: 7517443Abstract: The invention refers to a composition and method of electrolytic tinning in continuous a steel strip or plate with an electrolyte composition comprising the following components (g/l): Tin (in a form of tin sulfamate) 50-90, Sulfamic acid, free 40-100, Sulfates, in a form of SO42-0-15, Nitrogen-bearing block polymer 1-6, said block polymer being a copolymer of propylene oxide and ethylene oxide with molecular weight of 3950 to 6450 and “number of ethylene oxide links-to-number of propylene oxide links” ratio of 1.4-1.2:1.0 at initial buildup of required number of links from propylene oxide followed by oxyethylation.Type: GrantFiled: March 24, 2005Date of Patent: April 14, 2009Assignee: Danieli & C. Officine Meccaniche S.p.A.Inventors: Vladimir Andreevic Paramonov, Vitalij Polikarpovic Vinogradov, Rafkat Spartakovic Takhautdinov, Angelo Frixione, Michele Turchetto, Joseph Frimpong, Anatoliy Aleksandrovic Karpov, Galina Sergeevna Guljaeva
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Publication number: 20090045070Abstract: Disclosed herein are electrolytic cells comprising cathodes having a non-uniform current distribution and methods of use thereof.Type: ApplicationFiled: February 6, 2007Publication date: February 19, 2009Inventor: Aaron J. Becker
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Publication number: 20090020433Abstract: Electrochemical fabrication methods for forming single and multilayer mesoscale and microscale structures are disclosed which include the use of diamond machining (e.g. fly cutting or turning) to planarize layers. Some embodiments focus on systems of sacrificial and structural materials which are useful in Electrochemical fabrication and which can be diamond machined with minimal tool wear (e.g. Ni—P and Cu, Au and Cu, Cu and Sn, Au and Cu, Au and Sn, and Au and Sn—Pb), where the first material or materials are the structural materials and the second is the sacrificial material). Some embodiments focus on methods for reducing tool wear when using diamond machining to planarize structures being electrochemically fabricated using difficult-to-machine materials (e.g. by depositing difficult to machine material selectively and potentially with little excess plating thickness, and/or pre-machining depositions to within a small increment of desired surface level (e.g.Type: ApplicationFiled: May 15, 2008Publication date: January 22, 2009Inventors: Adam L. Cohen, Uri Frodis, Michael S. Lockard, Ananda H. Kumar, Gang Zhang, Dennis R. Smalley
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Patent number: 7465384Abstract: An acid electrolyte and method of using the electrolyte to both deposit tin and tin-alloys on iron containing substrates and at the same time perform as a flux to inhibit the formation of haze and stains on the tin and tin-alloys. The electrolytes and methods are suitable for plating on steel.Type: GrantFiled: February 28, 2006Date of Patent: December 16, 2008Assignee: Rohm and Haas Electronic Materials LLCInventors: Peter R. Levey, Neil D. Brown
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Patent number: 7422696Abstract: Multicomponent nanorods having segments with differing electronic and/or chemical properties are disclosed. The nanorods can be tailored with high precision to create controlled gaps within the nanorods or to produce diodes or resistors, based upon the identities of the components-making up the segments of the nanorods. Macrostructural composites of these nanorods also are disclosed.Type: GrantFiled: June 30, 2005Date of Patent: September 9, 2008Assignee: Northwestern UniversityInventors: Chad A. Mirkin, Lidong Qin, Sungho Park, Ling Huang, Sung-Wook Chung
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Publication number: 20080210463Abstract: Metalizable foils or sheets produced from a plastics mixture comprising, components A, B, C, and D, which gives a total of 100% by weight, a from 5 to 50% by weight of a thermoplastic polymer as component A, b from 50 to 95% by weight of a metal powder with an average particle diameter of from 0.01 to 100 ?m where the normal electrode potential of the metal in acidic solution is more negative than that of silver, as component B, c from 0 to 10% by weight of a dispersing agent as component C, and d from 0 to 40% by weight of fibrous or particulate fillers or their mixtures as component D, wherein the tensile strain at break of component A is greater by a factor of from 11 to 100 than the tensile strain at break of the plastics mixture comprising components A, B, and, if present, C and D, and wherein the tensile strength of component A is greater by a factor of from 0.5 to 4 than the tensile strength of the plastics mixture comprising components A, B, and, if present, C and D.Type: ApplicationFiled: April 26, 2006Publication date: September 4, 2008Applicant: BASF AKTIENGESELLSCHAFTInventors: Heiko Maas, Rene Lochtman, Wolfgang Gutting, Gerald Lippert, Michael Dahlke, Norbert Schneider, Volker Warzelhan, Jurgen Pfister, Norbert Wagner, Norbert Niessner, Bettina Sobotka, Matthias Scheibitz
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Publication number: 20080105560Abstract: A method for preparing nano metallic particles comprises the steps of dipping a conductive substrate in an electroplating solution containing metallic ions and performing an electroplating process to form the nano metallic particles on the conductive substrate by the reduction reaction of the metallic ions. The nano metallic particles can be used as a catalyst to perform a chemical vapor deposition process to form carbon nanotubes on the conductive substrate. Subsequently, fluorescent material can be positioned on the carbon nanotubes to form a light-emitting device. When a predetermined voltage is applied between the conductive substrate and the fluorescent material, the carbon nanotubes on the conductive substrate emit electrons due to the point discharge effect, and the electrons bombard the fluorescent material to emit light beams.Type: ApplicationFiled: February 13, 2007Publication date: May 8, 2008Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu Tsan Tseng, Cheng Hsuan Lin, Po Ling Shiao
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Publication number: 20080047837Abstract: An anodization method includes steps of providing an object formed of an aluminum-copper alloy, providing an anodizing bath comprising a basic silicate solution, providing an AC power supply including a first electrode and a second electrode, placing the first electrode in contact with the anodizing bath, connecting the second electrode to the object, placing the object in the anodizing bath, applying a voltage to the first and second electrodes to maintain a current density of about 10 mA/cm2 or less to form an anodized coating on the object, removing the object from the bath, and sealing the anodized coating on the object.Type: ApplicationFiled: August 27, 2007Publication date: February 28, 2008Inventors: Viola I. Birss, Eric J. McLeod, Richard G. Rateick
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Patent number: 7252861Abstract: Multi-layer structures are electrochemically fabricated by depositing a first material, selectively etching the first material (e.g. via a mask), depositing a second material to fill in the voids created by the etching, and then planarizing the depositions so as to bound the layer being created and thereafter adding additional layers to previously formed layers. The first and second depositions may be of the blanket or selective type. The repetition of the formation process for forming successive layers may be repeated with or without variations (e.g. variations in: patterns; numbers or existence of or parameters associated with depositions, etchings, and or planarization operations; the order of operations, or the materials deposited). Other embodiments form multi-layer structures using operations that interlace material deposited in association with some layers with material deposited in association with other layers.Type: GrantFiled: May 7, 2003Date of Patent: August 7, 2007Assignee: Microfabrica Inc.Inventor: Dennis R. Smalley
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Patent number: 7250101Abstract: Multilayer structures are electrochemically fabricated on a temporary (e.g. conductive) substrate and are thereafter bonded to a permanent (e.g. dielectric, patterned, multi-material, or otherwise functional) substrate and removed from the temporary substrate. In some embodiments, the structures are formed from top layer to bottom layer, such that the bottom layer of the structure becomes adhered to the permanent substrate, while in other embodiments the structures are form from bottom layer to top layer and then a double substrate swap occurs. The permanent substrate may be a solid that is bonded (e.g. by an adhesive) to the layered structure or it may start out as a flowable material that is solidified adjacent to or partially surrounding a portion of the structure with bonding occurs during solidification. The multilayer structure may be released from a sacrificial material prior to attaching the permanent substrate or it may be released after attachment.Type: GrantFiled: May 7, 2003Date of Patent: July 31, 2007Assignee: Microfabrica Inc.Inventors: Jeffrey A. Thompson, Adam L. Cohen, Michael S. Lockard, Dennis R. Smalley
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Patent number: 7198705Abstract: An improved copper ECD process. After the copper seed layer (116) is formed, a first portion of copper film (118) is plated onto the surface of the seed layer (116). The surface of the first portion of the copper film (118) is then rinsed to equalize the organic adsorption on all sites to prevent preferential copper growth in dense areas. After rinsing, the remaining copper of the copper film (118) is electrochemically deposited.Type: GrantFiled: December 19, 2002Date of Patent: April 3, 2007Assignee: Texas Instruments IncorporatedInventors: Linlin Chen, Jiong-Ping Lu, Changfeng Xia
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Patent number: 7160429Abstract: In some embodiments, multilayer structures are electrochemically fabricated from at least one structural material (e.g. nickel), at least one sacrificial material (e.g. copper), and at least one sealing material (e.g. solder). In some embodiments, the layered structure is made to have a desired configuration which is at least partially and immediately surrounded by sacrificial material which is in turn surrounded almost entirely by structural material. The surrounding structural material includes openings in the surface through which etchant can attack and remove trapped sacrificial material found within. Sealing material is located near the openings. After removal of the sacrificial material, the box is evacuated or filled with a desired gas or liquid. Thereafter, the sealing material is made to flow, seal the openings, and resolidify. In other embodiments, a post-layer formation lid or other enclosure completing structure is added.Type: GrantFiled: May 7, 2003Date of Patent: January 9, 2007Assignee: Microfabrica Inc.Inventors: Adam L. Cohen, Michael S. Lockard, Dennis R. Smalley, Vacit Arat, Christopher J. Lee
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Patent number: 7146712Abstract: A metal film made of a metal material (e.g., NiFe, CoFeNi, or FeCo) including an iron atom is formed on a substrate (S101). Subsequently, the metal film formed on the substrate is plasma-processed in an environment including a gas (e.g., an oxygen gas having a tetrafluoromethane or trifluoromethane gas added thereto) containing oxygen and fluorine atoms (S103). Then, a resist material (e.g., a chemically amplified positive resist material) is applied onto the plasma-processed metal film, so as to form a resist film (S105). Thereafter, the resist film is partly removed, so as to expose a part of the surface of metal film in conformity to a desirable pattern, thereby forming a resist frame (S107).Type: GrantFiled: May 8, 2003Date of Patent: December 12, 2006Assignee: TDK CorporationInventor: Akifumi Kamijima
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Patent number: 7122106Abstract: A method for producing an array of oriented nanofibers that involves forming a solution that includes at least one electroactive species. An electrode substrate is brought into contact with the solution. A current density is applied to the electrode substrate that includes at least a first step of applying a first substantially constant current density for a first time period and a second step of applying a second substantially constant current density for a second time period. The first and second time periods are of sufficient duration to electrically deposit on the electrode substrate an array of oriented nanofibers produced from the electroactive species. Also disclosed are films that include arrays or networks of oriented nanofibers and a method for amperometrically detecting or measuring at least one analyte in a sample.Type: GrantFiled: May 23, 2002Date of Patent: October 17, 2006Assignee: Battelle Memorial InstituteInventors: Yuehe Lin, Liang Liang, Jun Liu