PURPOSE:To obtain a solar heat absorber exhibiting excellent characteristics in either of absorption and radiation and being excellent also in corrosion resistance. CONSTITUTION:1) A solar heat absorber prepared by providing a copper plating layer of a thickness 0.05 to 5mum and a black chromium plating layer of chromium 15 to 30mg/m<2> sequentially on a stainless steel plate. 2) A solar heat abso...

PURPOSE:To improve the utilization factor of an active material by increasing the contact area of active material filling layers with electrolyte. CONSTITUTION:In plates 12 and 13 for a sealed lead-acid battery arranged so as to come into contact with both surfaces of retainers 14 which are arranged in a sealed vessel 11 and impregnated with electrolyte, substrates 21 and 23 having plural active m...

PURPOSE:To provide a lead-acid battery having the long service life by restraining diffusion of sulfuric acid to a positive electrode plate even if deep discharge is repeated. CONSTITUTION:A lead-acid battery has a positive electrode plate 2 by using a grid body composed of lead alloy containing antimony by 0 to 2 mass % and flowing electrolyte, and a porous layer 3 of an oxidation resistant subst...

PURPOSE:To improve trickle service life performance by forming a foaming resin layer having an average hole diameter larger than the average hole diameter of a separator in the cover reverse space of a storage battery, and absorbing and holding water or dilute sulfuric acid having specific gravity not more than specific gravity of electrolyte in a charging condition. CONSTITUTION:Glass fiber havin...

PURPOSE:To provide a retainer type sealed lead-acid battery having a trickle service life characteristic, a cycle service life characteristic and an excellent overcharge characteristic. CONSTITUTION:A powder layer 11 arranged around a plate group and a continuous foam body 2 arranged between a powder layer 4 and a storage battery cover, are provided, and the average pore diameter of the powder lay...

PURPOSE:To reduce IR loss caused by reduction in electrolyte, and enhance highly efficient discharge performance at a high temperature by making the average pore diameter of a powder layer arranged between plate groups larger than the average pore diameter of a separator, and fixing powders forming the powder layer to each other. CONSTITUTION:Glass fiber having the average diameter of about 1mum a...

PURPOSE: To provide an assembling method which is reliable, economical and quicker than jointing by heat seal or adhesive by vibrating and welding frames each other, while the frames and an isolating body are in a laminated and compressed conditions so that the isolating body is placed between neighboring pole plates in a compressed condition. CONSTITUTION: In a battery, an isolating body 43 is ma...

L'invention concerne un appareil monté sur un chariot (12) et équipé d'un bras articulé (30) de support d'un tube de rayons X (52).
Le poids du bras de support est équilibré par un contrepoids et articulé de manière à pouvoir positionner le tube sans qu' il soit nécessaire de déplacer le chariot. Le chariot comporte par ailleurs un berceau (13) permettant d'immobiliser le tube en position...

PURPOSE:To correct the measurements of an analyzer to be corrected for a dry analytic element applied with a substance to be detected by measuring the optical density by means of a reference analyzer and the analyzer to be corrected using a standard color plate of known optical density containing an indicator pigment in the dry analytic element unreactive to an analyte. CONSTITUTION:A standard col...

PURPOSE:To prevent trouble by relatively low frequency fault and to speedily, surely, and easily analyze the fault by counting records of fault of the same kind in case of fault occurrence, and erasing the oldest record of the same fault when a certain specified number is exceeded and allocating the record which becomes free to a record of fault. CONSTITUTION:This system is equipped with a means 1...

PURPOSE:To provide a high-temperature superconducting magnet which can produce a strong magnetic field, its designing method, its operating method and the manufacturing method of a high-temperature superconducting tape material whose critical current is high. CONSTITUTION:The cross-sectional area of a high-temperature superconducting part for conductors 121, 122, 123 is changed for each of individ...

PURPOSE:To provide a transfer mask which controls film thickness locally and resist pattern formation which uses the mask, prevent unnecessary overtching in the semiconductor device manufacturing process and improve the reliability of a semiconductor device. CONSTITUTION:A resolution pattern group 12 and a non-resolution pattern group 13 are formed on a substrate 11 which transmits exposure light ...

PURPOSE:To obtain a package, which in manufacturing and Packaging Processes, 4 superior in electrical and thermal characteristics, small and thin. CONSTITUTION:1 is a semiconductor chip with an electronic circuit formed thereon, 4 is a passivation film, 10 is electrode pads formed on the chip 1, 11 is electrode pads, which are exposed from a protective layer 9 having insulation properties and are ...

PURPOSE:To provide an oxide superconductor having the twisted wire structure compact and excellent in mechanical strength by forming a superconductive unit composed of an oxide superconductive material around a volume changing portion, and covering it with a coating portion. CONSTITUTION:An oxide is composed by a heat treatment, and a superconductor unit composed of an oxide superconductive materi...

PURPOSE:To provide a method for manufacturing an Nb3Sn superconductor and a superconductive coil of a practical size, having a high conductor current density and a critical current higher than a 1kA grade in a compact constitution. CONSTITUTION:An Nb-Cu multiple core wire, where an Nb or Nb alloy filament having a diameter of 1 pro or less is embedded into a matrix made of Cu or a Cu alloy, is dis...

PURPOSE:To manufacture an NbTi superconductive wire having excellent characteristics with high economic efficiency. CONSTITUTION:Cold wire drawing is applied to an NbTi composite wire rod composed of an NbTi core material made of an NbTi alloy including 40-50wt% of Ti and stabilizing copper in 3 or more of a drawing ratio epsilon defined in epsilon=In(d0/d)<2> (wherein d0: a wire shape before draw...

PURPOSE:To manufacture a composite multiple core superconductive with a high degree of freedom in design at a low cost. CONSTITUTION:A plurality of composite elemental wires 4 are inserted into a plurality of holes 2 formed on a copper matrix pipe 3, respectively, thus obtaining a composite billet, followed by drawing, thereby manufacturing a composite multiple core superconductive wire.

PURPOSE:To manufacture an element wire for an NbTi superconductive twisted wire of a low AC loss with high efficiency at a low cost. CONSTITUTION:In a method for manufacturing an elemental wire for an NbTi superconductive twisted wire of a low AC loss where a plurality of NbTi superconductive wire rods 2 are filled inside a copper pipe 6 serving as a stabilizer with a high resistant metal material...

Braking apparatus, in particular braking apparatus, using discs for use together with a rotary disc support adapted to support a first set of discs. A brake housing is provided which support a second set of discs which are interdigitating with the first set. A brake piston is located in an opening of the brake housing in a reciprocable manner. A Spring biases the brake piston towards the first and...

L'invention se rapporte à un vitrage comportant un panneau composite comprenant une paire de feuilles vitreuses (21, 22) adhérant à une couche intermédiaire de matière polymère (23) et à son procédé de fabrication.
La couche de matière polymère (23) possède des propriétés visco-élastiques telles que la fréquence critique de coïncidence la plus basse du panneau est plus grande que la fréqu...