PURPOSE:To make it possible to favorably grow an oxide superconductor by evaporating a depositing material while blowing oxygen from oxygen-blowing flow path close to blowing port of an oxygen introducing tube in plasma state toward a substrate in a vacuum reacting vessel. CONSTITUTION:A substrate 20, substrate heating holder 22, depositing source 14, oxygen introducing tube 18, plasma generating ...

PURPOSE:To improve surface properties and superconducting characteristics of the title film by forming a thin film of oxide-based superconducting substance on a substrate, arranging a quartz cover outside the thin film and subjecting the thin film to heat treatment in an oxidizing atmosphere. CONSTITUTION:A thin film 2 of bismuth based oxide such as Bi-Sr-Ca-Cu-O based oxide is formed on a substra...

PURPOSE:To reduce change of composition ratio by heat treatment and improve critical temperature and critical current density of title thin film by putting an unreactive sheet material on the thin film when heat-treated in a method forming a thin film consisting of an oxide-based superconducting substance on a substrate and then subjecting the thin film to heat treatment in an oxidizing atmosphere...

PURPOSE:To obtain an as-grown film having good superconducting characteristics by sputtering plural targets using plural ECR ion sources for sputtering and irradiating a substrate with an oxygen active seed. CONSTITUTION:The title ion beam sputtering device is constituted as follows: A vacuum vessel 1 evacuated, substrate holder 6 which is installed in the vacuum vessel 1 so as to hold a substrate...

PURPOSE:To obtain an as-grown film having good superconducting properties by providing ECR ion source for feeding oxygen ion and oxygen spraying nozzle for feeding an oxygen gas when an oxide superconducting thin film is prepared on the substrate by a deposition method. CONSTITUTION:The aimed device provided with a evaporating source 17 for evaporating a substance capable of giving a raw material ...

PURPOSE:To suppress evaporation of Tl and to obtain a superconductor having a high critical temperature in production of Tl-Ba-Sr-Ca-Cu-O-based superconductor by blending raw materials except a Tl-containing raw material, previously calcining, grinding, calcining, regrinding, adding the Tl-containing raw material and calcining. CONSTITUTION:A thallium-containing raw material (e.g. Tl2O3), a barium...

PURPOSE:To obtain a copper-based oxide superconductor having a high zero- resistance temperature in a short calcination time by producing double oxide having a specific composition, composed mainly of Cu and containing Bi, Ca and rare-earth element. CONSTITUTION:The objective copper-based oxide superconductor is a double oxide expressed by the compositional formula Bi2LnxCa3-xCu2Oz (Ln is Nd or Pr...

PURPOSE:To enable the effective and sure addition of a low-melting element and obtain a thin film having high Tc by forming an amorphous film of elements constituting a Bi-based oxide superconducting substance on a substrate, adding Sr, Ca and Cu, and Bi and Pb to the film in two steps using a vapor- phase diffusion reaction and crystallizing the product. CONSTITUTION:An amorphous film (having a t...

PURPOSE:To improve superconductive characteristics by dissolving compounds containing Bi, Sr, Ca and Cu in an inorganic acid, adding a hydroxy acid and a polyhydric alcohol to the solution, drying the prepared organic acids, pyrolyzing the dried product and subsequently subjecting the prepared precursor to a thermal treatment. CONSTITUTION:Bi2O3, SrCO3, CaCO3 and CuO are weighted in a Sr:Bi:Ca:Cu ...

PURPOSE:To improve the critical current density of the subject material by preliminarily calcining cleavable oxide superconductor powder or a molded product thereof, calcining the product on a single crystal plate of MgO or SrTiO3 at a specific temperature and subsequently gradually cooling the calcined product. CONSTITUTION:Oxide superconductor powder such as Y1Ba2Cu3O7-delta having excellent cle...

A moulding composition for manufacturing an open-celled foam product from essentially inorganic constituents is described. In addition to the components known per se, the moulding composition contains   - a stone-forming solid,   - a hardener,   - a foam-forming additive, an additive with at least partially alkali-soluble protein products to obtain the open-celled character. The stone-...

PURPOSE:To accomplish the title optimal annealing treatment in such a way that when an oxide high-temperature superconductor is to be annealed in an oxygen-contg. atmosphere, Raman scattering rays are detected and measured and the annealing temperature is determined based on the change of the peak intensity from nonsuperconducting phase. CONSTITUTION:An oxide high temperature superconductor 4 bein...

PURPOSE:To obtain the title structure of high durability without causing the deterioration in superconducting characteristics even if contacted with steam or water by forming a plasma-polymerized film consisting of organosilicon compound having fluorine atom-contg. organic group on the surface of a superconducting ceramic substrate. CONSTITUTION:The objective structure can be obtained by forming a...

Powder material having a hardness of above 1000 HV is coated with a layer of diamond using a chemical vapour deposition process in which a mixt. of H2 and C-contg. gas in the form of a gas or vapour is placed in contact with the powder which is vibrated from time to time to ensure that the particles m over and are subjected to total coverage. The vibrating stage is carried out at intervals for a t...

A package of a food or a similar product which has to be preserved in fresh state. The package contains a sack charged with a freshness keeping agent for keeping the product fresh together with the product. The package comprises a carrier seat provided in the package and carrying the sack of freshness keeping agent fixed thereto, the seat having one end integrally heat-welded in one of the heat-se...

Disclosed is an emulsion having a discontinuous phase that consists of a water dispersed or water emulsified epoxy resin in water having at least two epoxide groups, a water soluble salt of an imide compound having at least one carboxyl group, and a crosslinking agent; the discontinuous phase has excess epoxide functionality. The continuous phase is water. A method of forming a coating on a conduc...

Disclosed herein is a foamable composition for preparing inorganic light weight foam, which comprises inorganic powder and vinyl chloride-based resin as main components, and contains an organic solvent and a foaming agent. The vinyl chloride-based resin is a higher molecular weight resin made by suspension-polymerization or mass-polymerization, and has an average degree of polymerization (?) of 13...

The transducer comprises a protective pressure resistant casing 1, a capacitative sensing element 4, an interface to an electrical connection 2, a pressure interface to the fluid to be measured 3 and an electronic processing circuit 5. Sensor diaphragm 12 moves between fixed electrodes 17 under the influence of an internal fluid which is isolated from the fluid to be measured and the interior of t...

La présente invention concerne un procédé pour la fabrication de semi-hydrate de sulfate de calcium en configuration alpha à partir d'un résidu industriel à base de dihydrate de sulfate de calcium, consistant à changer le matériau dans un autoclave, à désaérer l'autoclave, à l'alimenter en vapeur d'eau sous pression, à une température de 105 à 180 degrés C puis, après transformation du dihydrate, ...

A process for coating a metallic substrate, characterized by applying on a metallic substrate a electrocoating paint, applying thereon a barrier coat comprising a film-forming thermoplastic resin other than a modified polyolefin resin and capable of forming a barrier coat film having a static glass transition temperature of 0 DEG to -75 DEG C., optionally applying on said barrier coat an interme...