In a method for detecting an inferior container, wherein: light beams are projected in different two directions upon a side of a transparent or a semitransparent test container while the container is rotatably driven; both of a transmitted beam which is one of the above light beams, having penetrated through the container, and a refelected beam which is the other of the above light beams, having r...

PURPOSE:To permit a base table or the layer of fusion welding to be processed before and after fusion welding, by a method wherein the title device is provided with a fusion welding device, equipped with either one or both of a pulse electrical discharge device, driving all of a base material, the base table and the like through NC control, and a laser device, and either one or both of a grinding ...

PURPOSE:To keep the thickness of a fusion welding layer in constant correctly, by a method wherein a gap between a base material and a base table, an electrical discharging power and the torque of a motor rotating the base material are controlled by NC (numerical control) or a torque control device, such as a powder clutch or the like, is utilized through the numerical control while a heat dissipa...

Heat-resistant material with a foam structure made from oxazolidone and isocyanurate polymers. It contains hollow or porous fillers dispersed in the polymers.

PURPOSE:To easily make an electrode for an oxide superconductor, by forming glass including Ag compound on the surface of an oxide superconducting mate rial. CONSTITUTION:An oxide superconductor is filled in an Ag pipe and drawn. At the time, a mixture of an Ag compound and a material which is thermally decomposed and made to glass by being baked at a relatively low temperature is applied to a des...

PURPOSE:To provide an oxide superconducting thin film having an increased critical temperature and an excellent reproducing property, by specifying x, y, z, respectively in a general formula of LPn1MxCuyOz. CONSTITUTION:Conditions, 1.5<=x<=2.5, 3.5<=y<=7.0, 60z<=7.0 are satisfied in a general formula of LPn1MxCuyOz. In the formula, Ln represents at least a kind of an element selected from a group ...

PURPOSE:To provide a thin film superconductor having a high critical temperature and a less aged deterioration, by interposing Me0.5Ln0.5CoO3 layers between oriented LnAlO3. CONSTITUTION:An epitaxial growth is made in such a manner that two Me0.5 Ln0.5CoO3 metal conductive layers are interposed between semiconductor layers of LnAlO3 oriented (100) on a substrate can be obtained. Ln represents any ...

PURPOSE:To stabilize a superconducting characteristic, by heating a substrate having different thermal expansion rates in a face and forming a thin film of a complex compound superconducting material at a temperature at which a distortion caused by a difference between thermal expansion rates due to a temperature difference from a superconductive critical temperature has a value greater than a spe...

PURPOSE:To provide a thin film superconductor having a high critical temperature and a less aged deterioration, by interposing Me0.5Ln0.5CoO3 layers between oriented MeTiO3. CONSTITUTION:An epitaxial growth is made in such a manner that two Me0.5 Ln0.5CoO3 metal conductive layers are interposed between semiconductor layers of MeTiO3 oriented (100) on a substrate. Me represents any of Sr or Ba and ...

PURPOSE:To improve the controllability and reproducibility of the composition by forming multiple metal laminated films on a substrate and heat-treating them in the oxidizing atmosphere to transform them into metal oxide films. CONSTITUTION:Laminated films of constituting metals (multiple kinds) 2-4 of an oxide superconductive material are formed on a substrate 1 then heated in the oxidizing atmos...

PURPOSE:To easily manufacture a high-performance superconductive drawn wire by obtaining the secondary raw material via the selecting and confirming process on whether the desired superconducting characteristic is acquired or not in advance and machining this secondary raw material into a wire rod. CONSTITUTION:When the mixed powder of materials with different superconductivity is placed in the ma...

PURPOSE:To obtain an oxide superconductive wire rod by using a ceramic fiber as an axis and laminating an oxide superconducting material on its outside. CONSTITUTION:An oxide superconducting material 1 is laminated on a ceramic fiber 2 to obtain a superconductive material with a wire rod shape from the first. The ceramic fiber 2 is continuously moved in a silica tube fed with N2 gas and heated fro...

PURPOSE:To form an oxide superconducting material into a wire rod by using a metal fiber as an axis and laminating the oxide superconducting material on its outside. CONSTITUTION:An oxide superconducting material 1 is laminated on a metal fiber 2 to obtain the wire rod-shaped superconducting material from the first. The metal fiber 2 is continuously moved in a silica tube fed with N2 gas and heate...

PURPOSE:To improve the reproducibility by forming a specific oxide superconducting thin film by the spattering method in which the rare gas containing the specific % of oxygen gas is used as the spatter gas. CONSTITUTION:A substrate 1 is installed on a substrate holder 12, rare gas is fed from a gas feed system (I) 16, O2 gas is fed from a gas feed system (II) 17, and an oxide superconducting thin...

PURPOSE:To continuously form a lengthy wire by filling the raw material powder or superconductor powder in grooves of a core wire formed with the grooves extending in the longitudinal direction on the outer periphery, coating a metal material on this core wire to form a composite body, then heat-treating it. CONSTITUTION:A core wire 1 formed with grooves 2 extending in the longitudinal direction o...

PURPOSE:To easily produce a superconducting ceramic body with the desired shape and excellent superconductivity by forming a deposit layer on the substrate surface having the desired shape with the sol obtained by alkoxide- hydrolyzing metal alkoxide of a raw material then drying and baking it. CONSTITUTION:Metal alkoxide as a departure raw material is alkoxide- hydrolyzed, a deposit layer 13 is f...

PURPOSE:To produce a linear body without deteriorating the superconducting characteristic by filling the powder of a ceramic superconducting material or the mixture of its raw material powder in a glass pipe softened at the spe cific temperature and wire-drawing it at the softening and fluidizing temperature of the filler material to form the linear body. CONSTITUTION:The powder of a ceramic super...

PURPOSE:To continuously produce a wire rod or the like by feeding the powder of a ceramic superconducting material or the mixture of its raw material powder to a cylindrical extruding machine, compressing it at a high pressure by the piston action, and extruding and feeding it to a molding die held at a high temperature to sinter it. CONSTITUTION:Before the powder of a ceramic superconducting mate...

PURPOSE:To continuously produce a superconductor with a cooling tube inside by compressing the powder of a ceramic superconducting or the mixture of its raw material powder by the piston action of a cylindrical extruding machine, then extruding and coating it on a hollow metal tube, and sintering it with a molding die. CONSTITUTION:The powder of a ceramic superconducting material or the mixture of...