Abstract:
A magneto-optical disk unit has a first magnetic-field generator for generating a magnetic field corresponding to a frequency in a recording signal frequency band and a second magnetic-field generator for generating DC magnetic fields of both north-seeking and south-seeking poles in a non-contact manner with a loaded magneto-optical disk. The first magnetic-field generator has a slider part for sliding over a loaded magneto-optical disk in a floating manner using an aerodynamic effect. The unit further has a transfer driver for moving the first and second magnetic-field generators in a direction parallel to the loaded magneto-optical disk and a rotary plate for vertically moving the first magnetic-field generator. The unit also has a disk judging circuit for judging whether the loaded magneto-optical disk is of a magnetic-field-modulation overwritable type (first type) or an erase-operation-required type (second type), and a controller for controlling the rotary plate to bring the first magnetic-field generator into contact with the loaded disk when this disk is of the first type and to keep it raised from the disk when this disk is of the second type. The second magnetic-field generator is used when the disk is judged to be of the second type.
Abstract:
A ceramics composite material containing crystallized glass as the matrix and fibers or whiskers of ceramics as a reinforcement material, is obtained by melting original glass to form crystallized glass, compounding the same with fibers or whiskers of oxide ceramics and thereafter crystallizing the original glass. This ceramics composite material does not form any voids and can easily contain at least 50 volume percent of the reinforcement material, whereby a good mechanical strength and fracture toughness are achieved. In the compounding step, the content of the reinforcement can be further increased by forcing out any excess part of the original glass from the reinforcement material by applying pressure to a substance obtained by mixing the original glass with the reinforcement. Further, the ceramics composite material can be efficiently formed into a desired configuration by heating because the original glass flows viscously.
Abstract:
A disc brake having a pair of pistons composed of a Devitroceramics having a heat conductivity of about 1.times.10.sup.-3 cal/cm.sec..degree.C. to about 4.times.10.sup.-2 cal/cm.sec..degree.C., a bend strength of about 5 kg/mm.sup.2 to about 55 kg/mm.sup.2, a Vickers' hardness of about 400, and a density of smaller than about 4.0 g/cm.sup.3. A method of manufacturing the disc brake comprises incorporating into the disc brake a pair of pistons which are prepared by mixing the component materials of the Devitroceramics, melting them to a homogeneous molten state, molding the molten materials into a piston-shaped article, annealing the article for crystallization and heating the article.
Abstract translation:一种盘式制动器,其具有由导热率为约1×10-3cal / cm·sec的Devitroceramics组成的一对活塞。 ℃至约4×10 -2刻度/厘米2秒。 约5kg / mm 2至约55kg / mm 2的弯曲强度,约400的维氏硬度和小于约4.0g / cm 3的密度。 制造盘式制动器的方法包括将盘式制动器中的一对活塞并入,该活塞通过混合Devitroceramics的组分材料,将其熔化成均匀的熔融状态,将熔融材料模制成活塞形状的制品,将 文章用于结晶和加热制品。
Abstract:
In an oxygen concentration cell having metal electrodes formed on both inner and outer wall surfaces of its solid electrolyte vessel and a solid pole as a reference oxygen partial pressure source made of a metal alone or a mixture of a metal and an oxide of the metal filled in said vessel, a method of activating said oxygen concentration cell by heat-treating the cell so as to diffuse the metal of said reference oxygen partial pressure source into said metal electrode on the inner wall or into said solid electrolyte through the metal on the inner wall surface and the oxygen concentration cell produced by this method.
Abstract:
The present invention relates to a catalyst carrier characterized by the fact that it comprises a substance which promotes a transition of an alumina that can be converted to .alpha.-alumina, which substance is located near the surface of a carrier composed mainly of alumina and which carrier is subjected to a heat treatment under appropriate conditions, thereby causing the transition of said alumina to .alpha.-alumina, with those pores near the surface made larger in diameter than those pores located more deeply within the carrier. The invention also includes a method of manufacturing said catalyst carrier.
Abstract:
A catalyst for purifying exhaust gases, comprising a carrier composed mainly of active alumina, containing near its surface a component to promote the transformation of active alumina to .alpha.-alumina when said carrier is subjected to a heat treatment in order to make the diameters of the pores near its surface larger than those of the pores in its interior, impregnated with an active catalytic component which permeates further into a portion of the interior deeper than the layer having the alumina transformation-promoting component.
Abstract:
A shielded electric wire 1A is composed of a plurality of covered electric wires 10 of which core wires 2 are covered by covers having different colors; a braided shield 4 attached to an outer region of the covered electric wires 10; and an insulating sheath 5 covering an outer circumference of the braided shield 4. Because the covered electric wires 10 have covers 3 having different colors, the covered electric wires 10 can be identified from each other. Further, a mark 6A for identifying the electric wire is formed on a part of the outer surface of the sheath 5. A color identifying a destination of each covered electric wire 10 is selected properly as the color of the mark 6A. Further, a combination of the colors of the covers 3 of the covered electric wires 10 and the color of the mark 6A can indicate a product type of the shielded electric wire 1A.
Abstract:
A capacitor provided with a dielectric film, and a first electrode and second electrode formed sandwiching it and facing each other, wherein the dielectric film has a density exceeding 72% of the theoretical density calculated based on the lattice constant, and either or both of said first electrode and said second electrode contain at least one metal selected from the group consisting of Cu, Ni, Al, stainless steel and a nickel-based alloy.
Abstract:
To provide a dielectric thin with a high dielectric constant, a low leakage current, and stable physical properties and electrical properties and to provide a thin film capacitor or other thin film dielectric device with a high capacitance and high reliability and a method of production of the same, a dielectric thin film containing oxides such as barium strontium titanate expressed by the formula (BaxSr(1-x))aTiO3 (0.5
Abstract translation:为了提供具有高介电常数,低漏电流和稳定物理性能和电性能的电介质薄膜,并提供具有高电容和高可靠性的薄膜电容器或其它薄膜电介质器件,以及生产的方法 相同的是,含有氧化物如钛酸锶钡的氧化物的电介质薄膜由式(Ba> Sr Sr>>(((())TiO TiO TiO TiO TiO TiO TiO TiO TiO TiO TiO TiO TiO TiO TiO TiO TiO TiO TiO (0.5