Class / Patent application number | Description | Number of patent applications / Date published |
205106000 | Forming nonmetal coating using specified waveform other than pure DC or 60 Hz sine wave AC (e.g., anodic oxide coating, etc.) | 15 |
20110114494 | METHOD FOR COMPRESSING A COMPONENT MADE OF ALUMINUM AND/OR AN ALUMINUM ALLOY - The invention relates to a method for compressing a device component of aluminum and/or an aluminum alloy, comprising an oxide layer on the surface that is produced in a uniform manner by anodizing. The compression method comprises a hot water compression of the component in a bath of completely desalinated water while using positive pressure for a period of at least one minute. Due to the pressure application in a closed compression chamber, the compression process is accelerated and the capacity of the anodizing unit is increased. | 05-19-2011 |
20110174628 | CATHODE MEMBER AND BIPOLAR PLATE FOR HYPOCHLORITE CELLS - A cathodic member for electrochemical cells used in hypochlorite production comprises a zirconium plate coated with a zirconium oxide layer, which is particularly suitable for minimising the decomposition of the hypochlorite product while ensuring a prolonged lifetime. The coated zirconium plate can be used as the cathodic plate in a monopolar cell, or can be welded to a titanium plate for use in a bipolar configuration. | 07-21-2011 |
20130001089 | PREPARATION OF GRAPHENE SHEETS - A method of preparing graphene sheets. The method includes: immersing a portion of a first electrode and a portion of a second electrode in a solution containing an acid, an anionic surfactant, a salt, an oxidizing agent, or any combination thereof as an electrolyte, the immersed portion of the first electrode including a first carbon material and the immersed portion of the second electrode including a second carbon material or a metal; causing a potential to exist between the first and second electrodes; and recovering, from the solution, graphene sheets exfoliated from the carbon material(s). Also disclosed is a method of preparing a graphene film electrode. The method includes: dissolving graphene sheets in an organic solvent to form a solution, applying the solution on a substrate, adding deionized water to the solution on the substrate so that a graphene film is formed, and drying the graphene film. | 01-03-2013 |
20140166493 | Osteosynthesis with nano-silver - An antibacterial coating that is composed of silver is disclosed, as well as medical tools and implants comprising such a coating, and a method and an apparatus for the production of such a coating. The medical tools or the dental or orthopaedic implant comprises a metal or metal alloy having a treated surface wherein the treated surface is at least partially converted to an oxide film by plasma electrolytic oxidation using a colloid-dispersed system and wherein the converted surface is partially covered by islands formed by colloid-dispersed silver-particles of the colloid-dispersed system. An Ag—TiO | 06-19-2014 |
20140332394 | Osteosynthesis with nano-silver - An antibacterial coating that is composed of silver is disclosed, as well as medical tools and implants comprising such a coating, and a method and an apparatus for the production of such a coating. The medical tools or the dental or orthopaedic implant comprises a metal or metal alloy having a treated surface wherein the treated surface is at least partially converted to an oxide film by plasma electrolytic oxidation using a colloid-dispersed system and wherein the converted surface is partially covered by islands formed by colloid-dispersed silver-particles of the colloid-dispersed system. An Ag—TiO | 11-13-2014 |
20150114840 | Osteosynthesis with nano-silver - An antibacterial coating that is composed of silver is disclosed, as well as medical tools and implants comprising such a coating, and a method and an apparatus for the production of such a coating. The medical tools or the dental or orthopaedic implant comprises a metal or metal alloy having a treated surface wherein the treated surface is at least partially converted to an oxide film by plasma electrolytic oxidation using a colloid-dispersed system and wherein the converted surface is partially covered by islands formed by colloid-dispersed silver-particles of the colloid-dispersed system. An Ag—TiO | 04-30-2015 |
20160047057 | METHOD FOR ANODIZING PARTS MADE OF AN ALUMINUM ALLOY - A method for anodizing a part made of aluminum or an aluminum alloy by immersing the part in an aqueous bath essentially comprising sulfuric acid at a concentration of 150 to 250 g/L and at a temperature of 5 to 25° C. A DC voltage according to a voltage profile comprising a voltage increased at a rate of 1 to 32 V/min is applied to the part. The voltage is maintained at a plateau voltage value of 12 to 20 V for a duration sufficient for obtaining, at the surface of the part, an anode layer having a thickness of 3 to 7 μm and/or a layer weight of 20 to 150 mg/dm | 02-18-2016 |
20160115614 | ELECTROLYTIC SOLUTION AND METHOD FOR SURFACE TREATMENT OF ALUMINUM ALLOYS FOR CASTING - A method for surface treatment of aluminum alloys for forms an oxidation film in the aluminum alloys for casting by adding a metallic anion compound to an electrolytic solution. The method can prevent cracks from occurring on a surface of the aluminum alloys for casting at the time of applying an anodizing method. | 04-28-2016 |
205107000 | Reversing current or voltage | 3 |
20090250351 | METHOD FOR PRODUCING A HARD COATING WITH HIGH CORROSION RESISTANCE ON ARTICLES MADE OF ANODIZABLE METALS OR ALLOYS - A method for coating, a composition suitable for coating and a coating generated with the method of coating on anodizable metallic surfaces, especially on magnesium rich and aluminum rich surfaces. is disclosed. The composition is an aqueous solution including alkali metal or ammonium cations, phosphorus containing anions and silicon containing anions as well as optionally a peroxide or a compound of Al, Ti, Zr or any mixture of them. Preferably, the anodizing is carried out with a micro-arc oxidation process. | 10-08-2009 |
20130015072 | ALUMINUM ALLOY MEMBER AND METHOD FOR MANUFACTURING SAME - An aluminum alloy member includes a main body including an aluminum alloy serving as a base material, and an electrolytic oxidation ceramic coating coated at a portion of a surface of the main body and including a most outer layer and an inner layer which is arranged close to the main body relative to the most outer layer, the inner layer in which an aluminum oxide is richer than the most outer layer, the most outer layer in which a volume of a titanium oxide or a total volume of the titanium oxide and a zirconium oxide is richer than the inner surface. | 01-17-2013 |
20130299355 | SURFACE CLEANING AND ACTIVATION FOR ELECTRODEPOSITION IN IONIC LIQUIDS - A surface preparation solution comprises an ionic liquid solvent and a water and oxygen scavenging species. Methods for making the solution, and methods for using the solution to prepare and activate a substrate surface for bulk electrodeposition are also disclosed. | 11-14-2013 |
205108000 | Nonreversing pulsed current or voltage | 4 |
20110186438 | METHOD AND SYSTEM FOR ANODIZING METALS - Disclosed therein are a method and a system for anodizing metals. The anodizing system includes: an electrolytic bath storing electrolyte of a predetermined amount therein; an anode line mounted on an upper portion of the electrolytic bath, the anode line having insulation blocks for dividing the anode line into several sections; a cathode line disposed outside the anode line, the cathode line having insulation blocks mounted correspondingly to the insulation blocks of the anode line for dividing the cathode line into several sections; a chain connected to a driving sprocket and a driven sprocket inside the anode line, the chain having a plurality of transfer blocks; and hangers electrically connected to the anode line and adapted to fixe and support objects to be plated, which are deposited in the electrolyte. | 08-04-2011 |
20120318674 | METHOD FOR FORMATION OF ANODE OXIDE FILM - The present invention provides a method for forming an anode oxide film, in which on the assumption that a direct-current power source is used, a thick anode oxide film can be formed with good productivity within a short time without using special equipment. The method includes allowing a current A | 12-20-2012 |
20130248372 | METHOD FOR ANODIZING AND DYEING METALLIC ARTICLE - A method for anodizing and dyeing a metallic article including a decorated surface to be dyed, includes steps as follows: anodizing the metallic article to form an anodization layer on the decorated surface by an anodizing treatment, in which the anodization layer is porous with a number of holes; sealing the anodization layer of the metallic article anodized by a first sealing treatment in a first sealing solution, in which a contacting time of the anodization layer and the first sealing solution changes gradually along a predetermined direction, and thereby a depth of the holes of the anodization layer after sealing changes gradually along the predetermined direction; and coloring the metallic article sealed in a dyeing treatment. | 09-26-2013 |
20140174938 | METHODS FOR ACHIEVING METAL FILL IN SMALL FEATURES - A method of electroplating on a workpiece having a sub-30 nm feature generally includes applying a chemistry to the workpiece, the chemistry including a halide ion concentration in the range of about 55 ppm to about 250 ppm and a metal cation solute species, and applying an electric waveform for less than about 5 seconds, wherein the electric waveform includes a period of ramping of current and a period of pulse plating. | 06-26-2014 |