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| Number | Title | Issue Date |
| 7780835 | Method of making a capacitor by anodizing aluminum foil in a glycerine-phosphate electrolyte without a pre-anodizing hydration step A capacitor comprising an aluminum anode and a dielectric layer comprising phosphate doped aluminum oxide and process for making the capacitor. The capacitor has a CV Product of at least 9 μF−V/cm2 at 250 volts. Furthermore, the capacitor is formed by ... | 08/24/2010 |
| 7727372 | Anodizing valve metals by self-adjusted current and power A method for anodizing valve metal structures to a target formation voltage is described. The valve metal structures are placed in an anodizing electrolyte and connected to a power supply that generates a source voltage to at least one current limiting device. If at... | 06/01/2010 |
| 7578921 | Process for anodically coating aluminum and/or titanium with ceramic oxides An article of manufacture and a process for making the article by generating corrosion-, heat- and abrasion-resistant ceramic coatings comprising titanium and/or zirconium dioxide using direct and alternating current on anodes comprising aluminum and/or titanium. Op... | 08/25/2009 |
| 7115306 | Method of horizontally growing carbon nanotubes and device having the same Provided are a method of growing carbon nanotubes and a carbon nanotube device. The method includes: depositing an aluminum layer on a substrate; forming an insulating layer over the substrate to cover the aluminum layer; patterning the insulating layer and the alum... | 10/03/2006 |
| 7065857 | Method of manufacturing electronic device The method of manufacturing an electric part including a matrix-shaped nonconductive base member, and a carbon nanotube group that is sealed within the nonconductive base member and includes at least one of a carbon nanotube and a plurality carbon nanotubes that are... | 06/27/2006 |
| 7011760 | Carbon nanotube-containing structures, methods of making, and processes using same Carbon nanotube structures are disclosed in which nanotubes are disposed over a porous support such as a foam, felt, mesh, or membrane. Techniques of making these structures are also disclosed. In some of these techniques, a support is pretreated with a templated su... | 03/14/2006 |
| 7008969 | Carbon nanotube-containing catalysts, methods of making, and reactions catalyzed over nanotube catalysts Methods have been developed to form catalysts having active metals disposed on a carbon nanotube coated porous substrate. Catalysts and reactions over nanotube-containing catalysts are also disclosed. Results are presented showing enhanced performance resulting from... | 03/07/2006 |
| 6930840 | Mechanism element for optical devices A mechanism element for optical devices has a light-incident part on which light having a wavelength of 700 nm or more is incident, and the light-incident part is made of aluminum or an alloy of aluminum or magnesium. An anodizing process treatment to form an anodiz... | 08/16/2005 |
| 6916414 | Light metal anodization Using pulsed current and relatively low average voltages, articles containing light metals such as magnesium may be rapidly anodized to form protective surface coatings. The anodizing solutions employed may contain phosphate, permanganate, silicate, zirconate, vanad... | 07/12/2005 |
| 6893551 | Process for forming coatings on metallic bodies and an apparatus for carrying out the process A process for forming oxide based dense ceramic composite coatings on reactive metal and allow bodies involves suspension of at least two reactive metal or alloy bodies in a non-metallic, non-conducting, non-reactive chamber in such a way that it causes either parti... | 05/17/2005 |
| 6814845 | Method for depositing an enzyme on an electrically conductive substrate Improved biosensors are provided having excellent selectivity and stability properties, together with methods of preparing the biosensors. A preferred biosensor includes an electrode (12) having enzyme (16) deposited thereon together with a layer of el... | 11/09/2004 |
| 6808613 | Oxidizing electrolytic method for obtaining a ceramic coating at the surface of a metal Process for obtaining a ceramic coating on the surface of a metal having semiconducting properties, such as aluminium, titanium, magnesium, hafnium, zirconium and their alloys, by a physico-chemical transformation reaction of the treated metal. This process consists... | 10/26/2004 |
| 6793792 | Electroplating methods including maintaining a determined electroplating voltage and related systems Methods for electroplating metal can include passing an electrical current through a conductive surface and an electroplating solution adjacent the conductive surface. An electroplating voltage for the conductive surface and the electroplating solution can be determ... | 09/21/2004 |
| 6716333 | Spinning rotor A hard, wear-resistant ceramic surface is applied to spinning rotor cups in an electrolytic bath on which is imposed a shaped-wave electric current. A special electrode has been designed to facilitate application of the coating to the unique shape of a spinning roto... | 04/06/2004 |
| 6368483 | Aluminium workpiece An aluminum workpiece, e.g. sheet for containerstock, having an anodic oxide film whose thickness varies from location to location on the surface, whereby interference contrast effects are visible on the surface. Aluminum foil having on a surface thereof ... | 04/09/2002 |
| 6365028 | Method for producing hard protection coatings on articles made of aluminum alloys This invention relates to the sphere of plasma electrolyte oxide coating of aluminium alloys. The method incorporates anode-cathode oxide coating in an alkaline electrolyte at a temperature of 15-50° C., using 50-60 Hz frequency alternating current. In t... | 04/02/2002 |
| 6346182 | Process of making bipolar electrodeposited catalysts and catalysts so made This invention relates to a bipolar electrochemical process for toposelective electrodeposition of a catalytic substance on an electrically conductive particulate substrate to produce a catalyst, as well as to the catalyst so produced. The process compris... | 02/12/2002 |
| 6325909 | Method of growth of branched carbon nanotubes and devices produced from the branched nanotubes A method of producing Y-junction carbon nanotubes. An alumina template with branched growth channels is produced after which individual Y-junction carbon nanotubes are grown directly by pyrolysis of acetylene using cobalt catalysis. The use of a branched ... | 12/04/2001 |
| 6319387 | Copper alloy electroplating bath for microelectronic applications A metallized structure for use in a microelectronic circuit is set forth. The metallized structure comprises a dielectric layer, an ultra-thin film bonding layer disposed exterior to the dielectric layer, and a low-Me concentration, copper-Me alloy layer ... | 11/20/2001 |
| 6238540 | Method for microplasma electrolytic processing of surfaces of electroconductive materials A method for microplasma electrolytic processing a surface of an electroconductive material, involves establishing an electrical circuit between this material, as a first electrode, and a counterelectrode, as a second electrode, by immersing the first ele... | 05/29/2001 |
| 6231993 | Anodized tantalum pellet for an electrolytic capacitor An anodized pressed valve metal powder pellet is described. The anodized pellet is particularly useful as an anode in an electrolytic capacitor having an improved breakdown voltage. The anodized pellet is formed by periodically holding the pellet at a con... | 05/15/2001 |
| 6228241 | Electrically conductive anodized aluminum coatings A process for producing anodized aluminum with enhanced electrical conductivity, comprising anodic oxidation of aluminum alloy substrate, electrolytic deposition of a small amount of metal into the pores of the anodized aluminum, and electrolytic anodic d... | 05/08/2001 |
| 6197654 | Lightly positively doped silicon wafer anodization process A method of anodizing a lightly doped wafer wherein there is provided a lightly p-typed doped silicon wafer having a frontside and a backside. A p-type region is formed on the backside doped sufficiently to avoid inversion to n-type when a later applied c... | 03/06/2001 |
| 6090260 | Electroplating method A method of electroplating an object to be plated attached to a lower portion of a plating bath constituted by draining used plating solution and supplying new plating solution at every plating procedure. The method has a step of supplying additional curr... | 07/18/2000 |
| 6066392 | Al material excellent in thermal crack resistance and corrosion resistance An Al material having an anodic oxidation film is provided that is excellent in gas and plasma corrosion resistance. By the present invention, a crack is not generated in the anodic oxidation film even in high temperature thermal cycles and corrosive gas ... | 05/23/2000 |
| 6039857 | Method for forming a polyoxide film on doped polysilicon by anodization The present invention relates to a method for forming a polyoxide film on a doped polysilicon layer, which is suitable for use as an inter-polysilicon polyoxide film between a doped polysilicon floating gate and a doped polysilicon control gate. The metho... | 03/21/2000 |
| 5720866 | Method for forming coatings by electrolyte discharge and coatings formed thereby A method for forming relatively thick composite coatings on a region of the surface of a metallic member includes exposing the surface region to an electrolyte fluid, either by immersion or by spraying the electrolyte against the surface region. A preferr... | 02/24/1998 |
| 5688606 | Anodized aluminum substrate having increased breakdown voltage There is provided an anodizable aluminum substrate having an increased breakdown voltage. The increase in breakdown voltage is achieved by selecting an appropriate aluminum alloy and appropriate processing parameters. Sealing the anodic film increases the... | 11/18/1997 |
| 5656147 | Method for fabricating a switching device by anodization When an anodized film is to be formed, one formation-voltage input point is used. An interconnecting ring for anodization is provided between the input point and a pattern to be anodized. The interconnecting ring is in contact with and encloses the patter... | 08/12/1997 |
| 5620582 | Energy-saving process for architectural anodizing A method for low-voltage architectural anodizing of aluminum and aluminum alloy articles by using a direct anodizing current ranging for different machines from 10 kA up to 50 kA and more, plus a superimposed alternating current of industrial frequency. T... | 04/15/1997 |
| 5612146 | Soft-magnetic multilayer thin film for use in a thin-film magnetic head and a method of manufacturing the same A soft-magnetic multilayer thin film produced by electroplating, wherein an anode-dissolution process is effected by intermittently applying a reverse d.c. bias current with respect to the plating-forward current. Involving the anode-dissolution process a... | 03/18/1997 |
| 5605615 | Method and apparatus for plating metals A method and apparatus for plating metals which delivers a voltage pulse with the possibility of a widely varying current magnitude characteristic to a plating electrode and an object having a large electrical reactance in terms of a parallel resistance a... | 02/25/1997 |
| 5595638 | Method for manufacturing a semiconductor device utilizing an anodic oxidation An anodic oxide containing impurities at a low concentration and thereby improved in film quality, and a process for fabricating the same. The process comprises increasing the current between a metallic thin film and a cathode until a voltage therebetween... | 01/21/1997 |
| 5552030 | Method of making a magnetic material in the form of a multilayer film by plating The present invention is directed to a method of applying a magnetic thin film on a substrate by alloy electroplating in which the alloy content in the deposition is defined by an electric current density in the course of the plating operation. The magnet... | 09/03/1996 |
| 5545571 | Method of making TFT with anodic oxidation process using positive and negative voltages An improved method for manufacturing an insulated gate field effect transistor is described. The method comprises the steps of forming a semiconductor film on an insulating substrate, forming a gate insulating film on said semiconductor film, forming a ga... | 08/13/1996 |
| 5472788 | Colored anodized aluminum and electrolytic method for the manufacture of same A broad range of colors within the visible spectrum can be obtained by light interference and multiple refraction in an anodized aluminum product, by electrolytically depositing on an aluminum-based substrate an aluminum oxide anodic film separated from t... | 12/05/1995 |
| 5470636 | Magnetic recording medium and method of producing it A magnetic recording medium having a substrate made of aluminum or aluminum alloy and an anodic-oxide film, e.g., alumite film, formed by effecting the anodic oxidation process, wherein the surface of the alumite film has protruding portions formed in add... | 11/28/1995 |
| 5437779 | Method of making a magnetic record medium A method of making a-magnetic record medium comprising the steps of: texturing a surface of a substrate by a first surface treatment; electrolyzing the surface of the textured substrate in an electrolyte of an acidic solution by applying an electric poten... | 08/01/1995 |
| 5348640 | Chemical conversion method and aqueous chemical conversion solution used therefor The method for forming a chemical conversion film on a substrate made of aluminum or its alloy which comprises the steps of: (a) etching a surface of the substrate with an aqueous solution of acid or alkali; (b) immersing the etched substrate in an aqueou... | 09/20/1994 |
| 5336341 | Infrared radiation element and process of producing the same An infrared radiation element and a process for producing the same. An aluminum alloy material consists essentially of 0.3 to 4.3 weight % of Mn, balance Al, and impurities. The alluminum alloy material is heated for dispersing a precipitate of an Al--Mn ... | 08/09/1994 |
