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| Number | Title | Issue Date |
| 7259491 | Rotating asynchronous converter A rotating asynchronous converter and a generator device having a first stator connected to a first AC network with a first frequency f1, and a second stator connected to a second AC network with a second frequency f2. The converter has a rotor... | 08/21/2007 |
| 7182822 | Metal material with modified surface, preparation method and use of same A metal material whose surface is modified by bonding of aromatic groups, optionally substituted by functional groups. ... | 02/27/2007 |
| 7167375 | Populated printed wiring board and method of manufacture A populated printed wiring board (PWB) (100) and method of manufacturing the populated PWB are taught. The populated PWB is manufactured by fabricating a PWB (102, 402) with exposed copper pads (302), coating the copper pads with an organic sold... | 01/23/2007 |
| 7135075 | Corrosion resistant coating with self-healing characteristics An aqueous solution for depositing an inorganic corrosion resistant coating on a metal substrate is disclosed. The aqueous solution comprises a film-forming agent, a supplemental anion, and a substrate activator. The film-forming agent is a vanadate salt that forms ... | 11/14/2006 |
| 7094696 | Method for TMAH etching of CMOS integrated circuits A method for preparing and using a tetramethylammonium hydroxide etchant (180). The etchant is prepared by combining precisely known quantities of the etchant components obtained from liquid sources of tetramethylammonium hydroxide (110) and dissolved ... | 08/22/2006 |
| 7037384 | Lubricating chemical coating for metalworking A composition for treating the surface of a ferrous metal. The composition comprises aluminum sulfate, boric acid or a boric acid precursor, and polycarboxylic acid or salt thereof. Treatment of the ferrous metal with an aqueous solution of the composition at elevat... | 05/02/2006 |
| 6950713 | Method for creating a three-dimensional engraving in a solid and a product created by said method A method for creating a three-dimensional engraving within a solid. A three-dimensional illustration of the solid is scanned into a numerical controller associated with a machining center. The 3D illustration is projected in the solid according to individual depths ... | 09/27/2005 |
| 6943878 | Methods and systems for controlling the concentration of a component in a composition with absorption spectroscopy Provided are methods and systems for controlling the concentration of a component in a composition, and semiconductor processing methods and systems. One exemplary method of controlling the concentration of a component in a composition involves: providing a composit... | 09/13/2005 |
| 6940380 | Transformer/reactor The present invention relates to a power transformer/reactor (14, 15, 16) for high voltages, comprising at least one winding having at least one current-carrying conductor. The winding comprises a solid insulation (7) surrounded by outer and inner laye... | 09/06/2005 |
| 6936947 | Turbo generator plant with a high voltage electric generator In a plant containing a turbo-generator the magnetic circuit of the turbo-generator is included in an electric generator which directly supplies a high supply voltage of 20-800 kV, preferably higher than 36 kV. The insulation of the generator is built up of a cable ... | 08/30/2005 |
| 6906447 | Rotating asynchronous converter and a generator device A rotating asynchronous converter for connection of AC network with equal or different frequencies employs a first stator connected to a first AC network with a first frequency and a second stator connected to a second AC network with a second frequency, and a rotor... | 06/14/2005 |
| 6875334 | Method of anodizing of magnesium and magnesium alloys and producing conductive layers on an anodized surface A method, a composition and a method for making the composition for anodizing metal surfaces, especially magnesium surfaces is disclosed. The composition is a basic aqueous solution including hydroxylamine, phosphate anions and nonionic surfactants. A complementary ... | 04/05/2005 |
| 6800153 | Method for producing β-titanium alloy wire The diamter of β-titanium alloy wire is reduced by cold wire-drawing and the β-titanium alloy wire is subjected to heat treatment. The heat treatment comprises the first aging process for precipitation strengthening and the second aging process for removing proces... | 10/05/2004 |
| 6656294 | Method of reducing elution of lead in lead-containing copper alloy, and drinking water service fittings made of lead-containing copper alloy It is an object of the present invention to provide a processing method for preventing elution of lead in a lead-containing copper alloy to prevent lead from eluting from a faucet metal, etc. made of a lead-containing copper alloy, and a drinking water se... | 12/02/2003 |
| 6635123 | Copper preservative treatment A method of pretreating a copper surface for protecting the surface from oxidation, by immersing the surface in a solution containing organic solderabilty preservatives, such as BenzoTriAzole, with the addition of a zinc salt. The method is particularly u... | 10/21/2003 |
| 6524644 | Process for selective deposition of OSP coating on copper, excluding deposition on gold A method is provided for the selective deposition of an organic solderability preservative (OSP) coating on copper surfaces of articles such as electronic components, e.g., printed wiring boards, to serve as a protective coating and preserve the solderabi... | 02/25/2003 |
| 6524655 | Surface modification using hydridosilanes to prepare monolayers A method of modifying a surface is disclosed. The method includes contacting the surface with a hydridosilane under conditions and for a time sufficient to form a covalent bond between a silicon atom of the hydridosilane and the oxygen atom of a hydroxyl ... | 02/25/2003 |
| 6521114 | Prevention of marine encrustation on bronze propellers From the time that they are immersed into a marine environment, bronze propellers are prone to attack by marine organisms, such as barnacles, coral and algae, which attach themselves to the bronze metallic surface, creating lumps on the propeller, which a... | 02/18/2003 |
| 6497772 | Surface treatment for improved hardness and corrosion resistance An article is protected with a wear-resistant coating. The wear-coated article is thereafter treated to produce a chemical conversion coating on any portions of the surface of the article accessible through micropores in the wear-resistant coating. For st... | 12/24/2002 |
| 6410164 | Antifouling member and process for producing the same An antifouling member comprising a highly corrosion-resistant metal comprising titanium, zirconium, tantalum, niobium, or an alloy based on any of these metals and, deposited thereon, a coating layer of silver or a silver alloy so as to have a bonding str... | 06/25/2002 |
| 6383254 | Treatment solution and treatment method for reducing copper oxides There are provided a treatment solution for reducing a copper oxide formed on the surface of copper to copper, wherein dimethylamine borane is contained in an amount of 0.3 to 2.0 g/L and the relationship yࣙ0.232x-0.185 holds between the conc... | 05/07/2002 |
| 6383272 | Process for improving the adhesion of polymeric materials to metal surfaces A composition and process are described which are useful in treating metal surfaces, which composition comprises an oxidizer, an acid, a corrosion inhibitor, an organic nitro compound and, optionally, a benzotriazole with an electron withdrawing group in ... | 05/07/2002 |
| 6372027 | Process for promoting adhesion between an inorganic substrate and an organic polymer The invention relates to a process, and compositions for its implementation, to promote adhesion between an inorganic substrate and an organic polymer, especially between the copper surfaces of printed circuits for electronic use and a polymer resin, in w... | 04/16/2002 |
| 6372055 | Method for replenishing baths Disclosed are methods for replenishing adhesion promoting baths from an unstable state without discarding the bath. Methods of adhesion promoting substrates, such as printed wiring boards, using the replenished baths are also disclosed.... | 04/16/2002 |
| 6322656 | Method and composition for amine borane reduction of copper oxide to metallic copper An improvement in a method of bonding copper and a resin together wherein a copper oxide layer is formed on the surface of copper by the oxidation of metallic copper, the copper oxide layer is reduced to metallic copper with an aqueous reducing solution c... | 11/27/2001 |
| 6322636 | Method of artificially forming patina on copper A method of artificially forming patina on a copper product surface comprising the steps of blowing granular sodium hydrogen carbonate powder onto the copper product surface to clean and roughen it; wetting the surface with water; and depositing granular ... | 11/27/2001 |
| 6299983 | Derivatized metallic surfaces, composites of functionalized polymers with such metallic surfaces and processes for formation thereof This invention provides for metal surfaces which when derivatized with -ω bis-functionalized substantially linear aliphatic, including fluoroaliphatic acids and metal salts thereof exhibit changes in surface properties. In particular, composites f... | 10/09/2001 |
| 6287433 | Insoluble titanium-lead anode for sulfate electrolytes An insoluble anode for sulfate electrolytes composed of, generally, from 1 to 99 wt % titanium or titanium alloy and the remainder lead or lead alloy, comprising a titanium-lead active layer, or a titanium-lead active layer covering and a core being made ... | 09/11/2001 |
| 6221176 | Surface treatment of copper to prevent microcracking in flexible circuits In one embodiment, the present invention relates to a flexible laminate, comprising a first flexible polymeric film; a copper layer having a microcracking prevention layer on at least one side the microcracking prevention layer sufficient to prevent micro... | 04/24/2001 |
| 6093259 | Color development method of metallic titanium and black and colored titanium manufactured by this method This invention provides color development methods of metallic titanium used for manufacture of black titanium or titanium tinted in other chromatic colors. In one method, metallic titanium is treated with an alkali solution. It enables colored titanium ri... | 07/25/2000 |
| 6071629 | Organic rust-proof treated copper foil An organic rust-roof treated copper foil characterized in that it has a metallic rust-proof layer formed on the non-adhesive side of the original copper foil and has an organic rust-proof layer formed on said metallic rust-proof layer, the organic rust-pr... | 06/06/2000 |
| 6036758 | Surface treatment of copper A composition useful for the surface treatment of copper, in particular for micro-roughening of the copper surface so as to improve the adhesion characteristics of the copper surface, comprises an oxidizing agent for copper and an aromatic sulfonic acid o... | 03/14/2000 |
| 6013382 | Apparatus and method for inhibiting the leaching of lead in water A copper alloy plumbing fixture containing interdispersed lead particles coated non-continuously on a water contact surface to resist the leaching of lead into potable water systems. The leach resistant fixture is prepared by immersing conventional copper... | 01/11/2000 |
| 5964928 | Protective coatings for metals and other surfaces Compositions and processes are disclosed for producing improved environmental protection, corrosion resistance and improved paint adhesion for metals e.g., ferrous, aluminum, or magnesium alloys, as well as other substrates upon contact. The compositions ... | 10/12/1999 |
| 5879745 | Method for stabilizing a patina layer In the method for stabilizing an artificial patina layer produced on a copper panel, a transparent cover layer consisting of water glass and hydroxycellulose is applied onto the patina layer immediately after it is produced. The cover layer can consist of... | 03/09/1999 |
| 5869130 | Process for improving the adhesion of polymeric materials to metal surfaces A process is described for treating metal surfaces with a composition comprising an oxidizer, an acid, a corrosion inhibitor, a source of holide ions and optionally a water soluble polymer in order to increase the adhesion of polymeric materials to the me... | 02/09/1999 |
| 5858122 | Materials capable of readily developing natural patina and process for producing the same Disclosed is a material capable of readily developing natural patina, comprising a basis material made of Cu or a Cu alloy at least on the surface; and a layer of at least one compound selected from the group consisting of CuCl, CuBr and CuI formed on the... | 01/12/1999 |
| 5849110 | Sol coating of metals A surface treatment, especially for titanium and aluminum alloys, forms a sol-gel film covalently bonded on the metal surface to produce strong, durable adhesive bonds between the metal and an organic adhesive without using toxic chemicals and while signi... | 12/15/1998 |
| 5795409 | Surface treating agent for copper or copper alloy A surface treating agent for copper and a copper alloy, comprising an aqueous solution containing an imidazole compound or a benzimidazole compound, a complexon, and iron ions. The agent forms a chemical film selectively on the surface of copper while for... | 08/18/1998 |
| 5735973 | Printed circuit board surface protective agent Described herein is a printed circuit board surface protective agent containing compounds as expressed by Formula I. ##STR1## (herein, Y is a linear or a branched alkyl group having 1 to 20 carbon atoms or (2) ##STR2## X is any of halogen a... | 04/07/1998 |
