PURPOSE:To manufacture an Nb3Sn-base superconductive wire having superior critical current characteristics by successively coating an Nb-base core with a thin member of a third element such as Ti, a thin member of Nb and a Cu-Sn alloy tube and by carrying out diffusion by heat treatment. CONSTITUTION:An Nb-base core 1 is coated with a foil-shaped first thin member 2 of one or more kinds of third e...

A circuit protection device for protecting an electrical circuit from a voltage transient, e.g. a voltage transient caused by an electrostatic discharge, lightning or a nuclear electromagnetic pulse, comprises a threshold switching element formed from an amorphous composition comprising germanium, selenium and optionally antimony, and a pair of electrodes in contact with the composition. The devic...

A circuit protection device for protecting an electrical circuit from a voltage transient, e.g. a voltage transient caused by an electrostatic discharge, lightning or a nuclear electromagnetic pulse, comprises a threshold switching element formed from an amorphous composition comprising arsenic, sulphur, and optionally germanium, and a pair of electrodes in contact with the composition. The device...

PURPOSE:To enable a low heat resistant and low cost substrate to be bonded by a method wherein a semiconductor integrated circuit element is pressed down to a circuit substrate to hold micro capsules of conductive bonding agent between aluminium pads of said circuit element and bumps of the circuit substrate for pressure breakdown. CONSTITUTION:A semiconductor integrated circuit element 3 is press...

PURPOSE:To prevent the disorder of a time base due to the discontinuity of the horizontal synchronizing signal of a reproducing video signal written into a memory after the track is jumped by controlling the rotation of a disk so as to coincide the phase of the horizontal synchronizing signal and a reference signal in a reproducing video signal. CONSTITUTION:A reproducing video signal N obtained b...

By synchronizing the radio-frequency excitations of a nuclear magnetic resonance experiment with the heart beat of a patient, notable improvement is obtained in the measurement of the molecular diffusion parameters of the tissues studied. In particular, good images of the brain are obtained in this way: the parameter represented is the molecular diffusion constant.

A biocompatible composite material comprising a substrate having a glass-hydroxyapatite ceramic layer disposed thereon, and optionally having an intermediate glass layer between the substrate and the layer. The glass-hydroxyapatite ceramic layer comprises a continous glass phase having a hydroxyapatite ceramic dispersed therein, said hydroxyapatite ceramic having a calcium/phosphorous molar ratio ...

The subject-matter of this invention is a device for locating rods buried in high-density reinforced concrete. The device envisages an inductor coil (10) which generates a magnetic field, and at least one detector coil (1) able to detect the variations in the magnetic field induced by the presence of steel rods. The device is associated with marking equipment (4), which may be controlled either ma...

PURPOSE:To make a high-speed stable recording possible and to enable a high concentration to be obtained, by a method wherein a first energy generation means is provided to the upstream side of an orifice, a second energy generation means is provided to the upstream side thereof, and liquid resisting bodies are installed respectively to the downstream and upstream sides of the second energy genera...

PURPOSE:To make even such a work surface small in a radius of curvature polishable in a highly form accurate manner, by pressing a ferrule end face to a polishing surface, rotating a holding device, and making it perform its rocking motion, then polishing the ferrule end face into a convex spherical form. CONSTITUTION:A ferrule 1 is clamped to a ferrule holder 4 with a clamp screw 5 for retention,...

PURPOSE:To reduce the power consumption by inhibiting an auxiliary luminaire from emitting light by a control means in a specific number of times of subsequent focus detection if focusing is decided while an auxiliary light mode is selected by a mode selecting means. CONSTITUTION:An ordinary light mode wherein focus detection is carried out with ordinary light or an auxiliary light mode wherein th...