536 results about "Alloy thin film" patented technology

A silver-based alloy thin film is provided for the highly reflective or semi-reflective coating layer of optical discs. Alloy additions to silver include zinc, aluminum, zinc plus aluminum, manganese, germanium, and copper plus manganese. These alloys have moderate to high reflectivity and reasonable corrosion resistance in the ambient environment.

A hybrid beam deposition (HBD) system and methods according to the present invention utilizes a unique combination of pulsed laser deposition (PLD) technique and equipment with equipment and techniques that provide a radical oxygen rf-plasma stream to effectively increase the flux density of available reactive oxygen at a deposition substrate for the effective synthesis of metal oxide thin films. The HBD system and methods of the present invention further integrate molecular beam epitaxy (MBE) and/or chemical vapor deposition (CVD) techniques and equipment in combination with the PLD equipment and technique and the radical oxygen rf-plasma stream to provide elemental source materials for the synthesis of undoped and/or doped metal oxide thin films as well as synthesis of undoped and/or doped metal-based oxide alloy thin films.

Disclosed are a thin film transistor substrate where barrier metal can be omitted to be formed between a semiconductor layer of a thin film transistor and source and drain electrodes (barrier metal need not be formed between the semiconductor layer of the thin film transistor and the source and drain electrodes), and a display device. (1) A thin film transistor substrate has a semiconductor layer of a thin film transistor, a source electrode, a drain electrode, and a transparent conductive film, wherein the substrate has a structure in which the source and drain electrodes are directly connected to the semiconductor layer of the thin film transistor, and the source and drain electrodes include an Al alloy thin film containing Ni of 0.1 to 6.0 atomic percent, La of 0.1 to 1.0 atomic percent, and Si of 0.1 to 1.5 atomic percent. (2) A display device has the thin film transistor substrate.

A silver-based alloy thin film is provided for the highly reflective or semi-reflective coating layer of optical discs. Elements that can be added to silver to produce useful silver alloys include zinc, aluminum, copper, manganese, germanium, yttrium, bismuth, scandium, and cobalt. These alloys have moderate to high reflectivity and reasonable corrosion resistance in the ambient environment.

A silver-based alloy thin film is provided for the highly reflective or semi-reflective layer of optical discs. Alloy additions to silver include gold, rhodium, ruthenium, osmium, platinum, palladium, copper, silicon, cadmium, tin, lithium, nickel, cobalt, indium, chromium, antimony, gallium, boron, molybdenum, zirconium, beryllium, titanium, magnesium, and zinc. These alloys have moderate to high reflective and reasonable corrosion resistance in the ambient environment.

Surface flatness of magnetic recording medium to which a magnetic recording layer made of L1₀ FePt magnetic alloy thin film, with distance between a magnetic head and a magnetic recording medium sufficiently reduced. The magnetic recording layer includes: magnetic layers containing a magnetic alloy including Fe and Pt as principal materials; and one non-magnetic material selected from carbon, oxide and nitride. The first magnetic layer disposed closer to a substrate has a granular structure in which magnetic alloy grains including FePt alloy as the principal material are separated from grain boundaries including the non-magnetic material as the principal material. The second magnetic layer disposed closer to the surface than the first magnetic layer is fabricated so as to have a homogeneous structure in which an FePt alloy and the non-magnetic material are mixed in a state finer than diameters of the FePt magnetic alloy grains in the first magnetic layer.

The present invention relates to an Ag alloy film. Particularly, it is preferably used as a reflective film or semi-transmissive reflective film for an optical information recording medium having high thermal conductivity/high reflectance/high durability in the field of optical information recording media, an electromagnetic-shielding film excellent in Ag aggregation resistance, and an optical reflective film on the back of a reflection type liquid crystal display device, or the like. The Ag alloy film of the present invention comprises an Ag base alloy containing Bi and/or Sb in a total amount of 0.005 to 10% (in terms of at %). Further, the present invention relates to a sputtering target used for the deposition of such an Ag alloy film.

A silver-based alloy thin film is provided for the highly reflective or semi-reflective layer of optical discs. Alloy additions to silver include gold, palladium, copper, rhodium, ruthenium, osmium, iridium, and platinum. These alloys have moderate to high reflectivity and reasonable corrosion resistance in the ambient environment.

A reflective Ag alloy film includes a Ag—Bi alloy thin film, and a Bi layer and/or a Bi oxide layer formed on the surface and/or between the Ag—Bi alloy thin film and another layer formed on the Ag—Bi alloy thin film. The thickness of the Bi layer and/or the Bi oxide layer is 2.0 nm or below. The Ag—Bi alloy thin film of the reflective Ag alloy film has a Bi content in the range of 0.01 to 3.0 at %. A reflector is formed by depositing the Ag—Bi alloy thin film on a base member.

An electrode for a lithium secondary battery in which an alloy thin film containing Sn (tin) and In (indium) is formed on the surface of a current collector having a surface roughness Ra of 0.1 mum or more, and a lithium secondary battery using thereof.

A transparent laminated film is provided with which it is possible to inhibit peeling of thin film layers, even with long-term exposure to sunlight during use and exposure to UV rays during quality evaluation. The film has a thin film layer obtained by lamination of multiple thin films on at least one side of a transparent polymer film. This thin film layer has metal oxide thin films formed by a sol-gel process using light energy during sol-gel hardening and post-oxidation thin films formed by post-oxidation of at least one thin film selected from metal thin film, alloy thin film, and partially oxidized metal oxide thin film.

The invention provides corrosion-resistant multi-coating neodymium iron boron and a preparation process. The corrosion-resistant multi-coating neodymium iron boron is composed of a neodymium iron boron permanent magnet and multiple coatings arranged on the outer surface of the neodymium iron boron permanent magnet, the multiple coatings sequentially include a nickel-plated layer, a dysprosium-plated aluminum alloy thin film layer and a nickel-chromium composite coating, thickness of the nickel-plated layer is 10-15um, thickness of the dysprosium-plated aluminum alloy thin film layer is 10-20um, and thickness of the nickel-chromium composite coating is 6-10um; modification of the multiple coatings can be realized on the surface of the permanent magnet, binding strength between the coatings and a permanent magnet base is guaranteed, the defect that the coatings are thin and poor in corrosion resistance and wear resistance caused by single process is overcome, and the corrosion-resistant multi-coating neodymium iron boron prepared by the process has high corrosion resistance and wear resistance.

Methods for forming hydrogen sensing materials include forming a palladium alloy thin film having less than about 83 atomic percent of palladium, and annealing the palladium alloy thin film to relieve residual stress and increase atomic intermixing of the nanorystaline lattice, while maintaining a grain size close to the grain size of the nonannealed palladium alloy thin film. For example, the sensing material may include a palladium-gold alloy thin film having about 60 atomic percent of palladium and about 40 atomic percent of gold. The palladium-gold alloy thin film is then annealed at a temperature of about 200 degrees Celsius for 1 hour. Methods for detecting hydrogen containing gas in which the hydrogen sensing material is maintained in a single phase when exposed to the hydrogen containing gas, and optical hydrogen sensors are also disclosed.

The invention belongs to the technical field of high-polymer composite materials, and relates to a thermoplastic polyester/polyethylene composition and application thereof. The thermoplastic polyester/polyethylene composition is prepared from the following components in parts by weight: 20-80 parts of thermoplastic polyester, 20-80 parts of polyethylene, 2-20 parts of solubilizer and 0.1-2 parts of antioxidant, wherein the sum of the thermoplastic polyester and polyethylene is 100 parts. The obtained thermoplastic polyester/polyethylene composition is a uniform-phase composite material, and has favorable properties of the thermoplastic polyester and polyethylene. The polyester/polyethylene alloy material prepared from the thermoplastic polyester/polyethylene composition has the inherent advantages of the PBT (polybutylene terephthalate) and PE (polyethylene), thereby greatly improving the properties of the alloy material and greatly enhancing the dimensional stability and tensile property of the alloy film material; and thus, the alloy material has the advantages of high-temperature resistance, ultraviolet resistance, weather resistance, hydrolysis resistance, low production cost and the like.

An Ni-Fe alloy material suitable for forming a ferromagnetic Ni-Fe alloy thin film is provided. The magnetic thin film produces a small number of particles during sputtering, and excels in corrosion resistance and magnetic properties. A method of manufacturing an Ni-Fe alloy sputtering target used to make the thin film is also provided. In addition, an Ni-Fe alloy sputtering target for forming magnetic thin films is provided. The sputtering target is characterized in that it has: an oxygen content of 50 ppm or less; an S content of 10 ppm or less; a carbon content of 50 ppm or less, and a total content of metal impurities other than the alloy components of 50 ppm or less. Such an Ni-Fe alloy target can be produced by melting and alloying high-purity materials obtained by dissolving the raw materials in hydrochloric acid, and performing ion exchange, activated-charcoal treatment, and electrolytic refining.

The invention discloses a method for connecting ceramic and ceramic, and ceramic and metal. The method comprises the following steps of: 1) forming a compact aluminum or aluminum alloy thin film with thickness of several to tens of microns on a connecting surface of the ceramic to obtain the ceramic with the connecting surface covered by the aluminum or aluminum alloy thin film; and 2) connectingthe ceramic with the connecting surface covered by the aluminum or aluminum alloy thin film and the metal by using the aluminum or aluminum alloy thin film, or connecting the ceramic with the connecting surface covered by the aluminum or aluminum alloy thin film and the ceramic with the connecting surface covered by the aluminum or aluminum alloy thin film by using the aluminum or aluminum alloy thin film. Compared with the prior art, the method has the advantages that: oxide inclusion originated from an aluminum surface oxide film is not formed on the interface between the aluminum film and the ceramic, which is formed by the method, the ceramic is firmly connected with the ceramic or the metal and the ceramic and the metal do not fall off easily, and the separating and peeling strength between the thin film and a ceramic chessboard is greater than or equal to 4.1N/cm. After an aluminum brazing process or an aluminum or aluminum alloy workpiece connection are adopted, defects of the connecting interface of the aluminum or aluminum alloy workpiece and the ceramic are avoided, the 90-degree tear strength of the connection can reach over 12kg/cm, fracture does not occur on the interface, and the ceramic and metal are connected very firmly.