PURPOSE:To obtain a separator covered plate which is easy to handle and has good workability by applying an adhesive to the periphery of one surface of a composite separator obtained by sticking a glass mat and a microporous sheet, and press-bonding to both surfaces of a belt-like plate, then cutting in a required dimension. CONSTITUTION:Active material 17 is filled in a continued expanded grid 6 ...

PURPOSE:To obtain a battery in which the corrosion of a cathode lug is prevented by controlling the amount of an electrolyte poured before starting in-container formation so that a cathode grid and its lug are completely immersed therein, then conducting the in-container formation of a plate group. CONSTITUTION:The amount of an electrolyte poured before the starting of incontainer formation is con...

PURPOSE:To enhance the operability of differential motion and the limitation thereof by providing a pair of slidable gears meshed with a pinion gear and a pair of stationary gear integrally incorporated with a differential gear casing, and by providing rotatable twin planetary gears. CONSTITUTION:A pinion gear 13 is rotatably fitted on a pinion shaft 12 secured to a differential casing 5 into whic...

PURPOSE:To make it possible to measure the rotational speeds of several high speed rotating elements by storing precise periods of (n) pulses in a register with the use of a second counter for determining a measuring period and a control circuit, by calculating a rotational speed with interruption at every substantial set measuring period. CONSTITUTION:Each time when a detection pulse from a rotar...

Novel polycarbonate latex compositions comprising 0.1 to 30 mole percent of recurring units containing a carboxyl or a tertiary amine acid addition salt component are disclosed. The latex compositions are made by: (a) preparing a polycarbonate comprising from about 0.1 to 30 mole percent of recurring units having a carboxyl or a tertiary amine acid addition component; (b) dissolving the polycarbon...

Disclosed herein is a process for preparing a water-soluble polymer, which comprises granulating a hydrous gel-like polymer obtained by polymerizing N-vinylformamide in the form of an aqueous solution of which a monomer concentration is 20 to 60% by weight, dispersing the formed polymer particles in methanol and contacting them with an aqueous solution of ammonium salt of a monovalent acid in an a...

PURPOSE:To form a polymeric film into such one that has superconductivity as keeping its inherent characteristic by forming a superconductive oxide thin film in specific thickness on the polymeric film. CONSTITUTION:A superconductive oxide thin film of 10-5000nm in thickness is formed in a polymeric film. With the superconductive oxide thin film set to 10-5000nm in thickness like this, a mechanica...

PURPOSE:To aim at improvement in a superconductive characteristic by installing a barrier layer of MgO between a substrate and a superconductive thin film consisting of a specific metallic oxide. CONSTITUTION:A barrier layer 9 consisting of MgO is interposed between a silicon or its oxide-based substrate 1 and MI-MII-Cu-O metallic oxide superconductive thin films 2-4 (MI: at least one type of rare...

PURPOSE:To make a superconductor thin film with a uniform oxygen density distribution filmable in a short time by laminating and unitizing a substrate with a first electrode with a filmed surface, an oxide ionic conductor or an oxygen ionic conductor and a second electrode whose one side comes into contact with an oxygen supply source, and impressing a DC voltage between these first and second ele...

PURPOSE:To secure such a superconductive material that is excellent in workability in an easy manner and in a short time by thermally spraying a mixture of a single metal before turning to a metal or alloy, or a mixture of each element before turning to a compound to a spraying material. CONSTITUTION:A single substant, an alloy and ceramics or a compound are clad and formed on a base material surf...

PURPOSE:To obtain an oxide superconductive thin film having excellent characteristics, by using an electron beam evaporation method as a film forming method and the oxides of specified metals as raw materials for evaporation. CONSTITUTION:As a film forming method, an EB method is used. As the raw materials for evaporation, metal oxide (MIOx, MNOy and CuOz) or the oxides of rare earth and alkaline-...

PURPOSE:To obtain a superconducting material at a low cost, by using a raw material consisting of crude rare-earth metals of a state before separated and purified into each constituent element, mixing the material with BaCO3 and CuO, calcining the mixture and separating and collecting the part exhibiting superconductivity. CONSTITUTION:A rare-earth metal mixture (e.g. a mixture of Dy, Ho, Er, Tm, ...

PURPOSE:To obtain a superconducting material having excellent superconducting characteristics at a low cost, using a low-temperature calcination, by dispersing oxides, etc., of an alkaline-earth element and rare-earth element in an organic solvent, forming copper oxalate in the dispersion medium and filtering and calcining the product. CONSTITUTION:Oxides or carbonates (e.g. BaCO3 and Y2O3) of an ...

PURPOSE:To easily obtain a superconducting thin film having high critical temperature, without using high-temperature sintering process, by floating a supercouducting raw material in an inert gas atmosphere in the form of ultrafine particles, mixing with oxygen gas and blasting through a nozzle against a substrate at a high speed. CONSTITUTION:A ceramic superconducting raw material (e.g. sintered ...

PURPOSE:To obtain high-quality and high-performance superconducting ceramics of Y-Ba-Cu-O or Y-R-A-Cu-O base by sol-gel process, by using, as a raw material, tri-n-butoxyyttrium, one of Y alkoxides. CONSTITUTION:In order to produce Y-Ba-Cu-O or Y-R-A-Cu-O-based superconducting ceramic thin film, tri-n-butoxyyttrium [Y(n-C4HgO)3], BaCl2 and CuCl2 as starting materials are dissolved in an alcohol fo...

PURPOSE:To obtain the title superconducting material with enhanced uniformity and decomposition temperature by replacing part of the copper oxide in LnBa2 Cu3O7-x (Ln is Y, La, etc.) by tungsten oxide into a specific composition to enable heat treatment in air. CONSTITUTION:The objective superconducting material is expressed by the formula LnBa2(Cu1-zWz)3O7-x (Ln is at least one kind of atom speci...

PURPOSE:To obtain the title superconducting material with enhanced uniformity and decomposition temperature by replacing part of the copper oxide in LnBa2 Cu3O7-x (Ln is Y, La, etc.) by rhenium oxide into a specific composition to enable heat treatment in air. CONSTITUTION:The objective superconducting material is expressed by the formula LnBa2(Cu1-zRez)3O7-x (Ln is at least one kind of atom selec...

PURPOSE:To obtain the title superconducting material expressed by the formula (Ln1-zGaz)Ba2Cu3O7-x (Ln is Y, La, etc.) with enhanced density of the sintered form or decreased sintering temperature, by making the z-value fall within a specified range. CONSTITUTION:The objective superconducitng material expressed by the formula (Ln1-zGaz)Ba2Cu3O7-x (z satisfies the relationship: 0.02<=z<=0.3; Ln is ...

PURPOSE:To obtain the title superconducting material expressed by the formula LnBa2(Cu1-zPb2)3O7-x (Ln is Y, La, etc.) with enhanced density of the sintered form or decreased sintering temperature by making the z-value fall within a specified range. CONSTITUTION:The objective superconducting material expressed by the formula LnBa2(Cu1-zPbz)3O7-x (z satisfies the relationship: 0.02<=z<=0.2; Ln is a...

PURPOSE:To obtain the title superconducting material expressed by the formula LnBa2(Cu1-zBiz)3O7-x (Ln is Y, La etc.) with enhanced density of the sintered form or decreased sintering temperature, by making the Z-value fall within a specified range. CONSTITUTION:The objective superconducting material expressed by the formula LnBa2(Cu1-zBiz)3O7-x (z satisfies the relationship: 0.02<=z<=0.2, Ln is a...