Abstract: An electric noise absorber comprising at least two ferrite pieces having abutting planes, at least two case members containing the ferrite pieces respectively and being closed by means of engagement members, and a spring member provided in at least one of the case members for pressing the ferrite pieces against each other when the case members are closed. Since the case members for keeping the ferrite pieces in appropriate positions and the spring member for pushing up the ferrite pieces for close contact are separately molded, the case members are bestowed with strength and the spring member with elasticity, both suitable for their own purposes. The case members requires no apertures for biasing members and therefore outside magnetic substance is prevented from contacting with the ferrite pieces contained in the case members.

Abstract: An electronic component provided with a heat radiative ceramic plate that is protected from cracks. Such a heat radiative electronic component is composed of an electronic device, such as a semiconductor device with an integrated circuit built therein, having a heat radiative plate bonded on its upper surface. The heat radiative plate is formed by a ceramic plate coated with a resin layer. The ceramic plate is a 1 mm to 2 mm thick quadrangular plate prepared by sintering cordierite powder, which has a high emissivity of far-infrared rays. The resin layer entirely or partly covers the surface of the ceramic plate, thereby preventing the plate from breaking and/or chipping and scattering ceramic powder to the surrounding area.

Abstract: A highly reliable electrical component, a plurality of such electrical components, and a method for manufacturing the electrical component and the plurality thereof with high productivity are provided. The plurality involves a dielectric substrate including multiple separable chips. Each of the chips is provided with two parallel winding grooves, into which pasted copper is filled under a reduced pressure, dried and solidified to form electrical conductors. By connecting pins to ends of the electrical conductors, capacitors or noise filters are obtained. The plurality is manufactured, tested, packaged and transported, before being divided into separate chips for use.

Abstract: An electric noise absorber comprising at least two ferrite pieces having abutting planes, at least two case members containing the ferrite pieces respectively and being closed by means of engagement members, and a spring member provided in at least one of the case members for pressing the ferrite pieces against each other when the case members are closed. Since the case members for keeping the ferrite pieces in appropriate positions and the spring member for pushing up the ferrite pieces for close contact are separately molded, the case members are bestowed with strength and the spring member with elasticity, both suitable for their own purposes. The case members requires no apertures for biasing members and therefore outside magnetic substance is prevented from contacting with the ferrite pieces contained in the case members.

Abstract: The invention provides plastic material for wrapping or carrying food such as meat and vegetables without causing propagation of bacteria and germs.The plastic material includes: a synthetic resin; and carbon fibers which are grown on fine powder of a refractory metal or a derivative thereof by thermolysis of hydrocarbons or vapor growth and plated with a metal laminate. A synthetic resin having sufficient flexibility is used as a base thereof when the plastic material is applied to a wrapping film, whereas a solid and tough synthetic resin is used when the plastic material is applied to a food-carrying member like a container or a tray. The metal laminate of the material gives excellent germicidal power to the material, and the ordered graphite structure of the carbon fibers gives sufficient strength to the material.

Abstract: The noise absorber for an electrical wire of electronic equipment having a pair of mating members, at least a portion of which is molded of magnetic resin. The wire of electronic equipment, when positioned between the pair of mating members, is completely surrounded by the members molded of magnetic resin, so that magnetic flux is not excluded. Therefore, any noise generated within the wire is absorbed by the noise absorber.

Abstract: A housing provided with centrally located electricallyconductive wires and apertures which extend to the conductive wires located inside the walls of the housing. When electrically conductive members are inserted into the apertures and touch the electrically conductive wires, electrical connection can be obtained. Thus, the conductive wires inside the wall of the housing easily allow connection between electronic components or between the electronic components and a power source. The housing is also advantageous in miniaturizing electronic equipment.

Abstract: The sealant compound of this invention comprises polyurethane resin or its precursor mixed with vapor grown carbon fiber. In the compound, whisker-shaped carbon fibers with high tensile strength intertwine and form lattices. In addition, carbon fibers are anchored in the polyurethane resin. Consequently, the compound of this invention has more tensile strength than the conventional compound containing black carbon. Thus the seal consisting of the compound of this invention has high adhesion and sealing effects.

Abstract: A tightening member molded from hard synthetic resin containing carbon fiber developed from hyperfine particles of a high-melting metal and/or a compound of the high-melting metal by use of vapor phase system for thermally decomposing hydrocarbon. The tightening member effectively prevents electrification of static electricity due to its high conductivity given by the carbon fiber and is bestowed with mechanical properties such as tensile strength.

Abstract: This invention is a ferrite molding made by a manufacturing method of molding and sintering ferrite particles, which are made by pre-sintering of magnetic materials including iron oxide, together with metallic particles mixed therein by a hydrostatic pressing at extra-high pressure, whereby metal fills in between the ferrite particles. The ferrite molding has improved ductility so as to resist chipping and breaking and has extremely low hydroscopicity so as to maintain its characteristics.

Abstract: An aperture covering, such as a window shade, comprises a shade body (10), a shielding member (24) provided on a shade-body periphery facing a window frame (2), and a shade-body winding mechanism (6). The shielding member (24) is conductive and contacts the window frame (2) to close the space between the shade body (10) and the window frame (2). When the winding mechanism (6) winds the shade body (10) down to cover the window frame (2) with the shade body (10), the window shade blocks electromagnetic energy inside and outside a building, while regulating light entering the building through a window.

Abstract: This invention provides a method for manufacturing a three-dimensional circuit substrate. In the method, a conducting portion comprising a circuit pattern is formed on the surface of a film. The film is placed over a resin board in a mold in which the conducting portion of the film is opposed to the resin board. Subsequently, blow molding or vacuum forming is applied to the mold. The film and the resin board are thus closely overlapped, heat-bonded, and formed into the three-dimensional circuit substrate having a desired configuration. Through such minimum process steps, the three-dimensional circuit substrate with the complicated configuration can be manufactured easily with reduced cost.

Abstract: Anti-static conductive mechanical components of synthetic resin with a conductive membrane formed on the surface of the synthetic resin through evaporation. When static electricity is generated during the operation of the mechanical components, the conductive membrane, which can be used to ground the synthetic resin, quickly eliminates the static electricity. The equipment constructed from the mechanical components can thus prevent malfunctions caused by static electricity.

Abstract: The conductive seal of the present invention comprises the conductive layer and the sealing member. The conductive layer is composed only for providing conductivity, and the sealing member is composed only for providing a sealing effect. The conductive layer is such a thin coat that the conductive seal as a whole has a sufficient sealing effect, when it is applied onto the housing. Owing to such a sufficient sealing effect, the conductive layer can be securely adhered to the housing. Consequently, the conductive seal protects the electronic equipment from electromagnetic waves and prevents electromagnetic waves generated by the electronic equipment from leaking outside. The conductive layer is so thin that manufacturing cost can be reduced even when silver powder or copper powder is used for the layer.

Abstract: An electric noise absorber comprises an axially divided magnetic body having abutment surfaces, a first joint on which the divided magnetic body can swing, and a second joint having a resilient member. The end of a second joint is attached to one part of the divided magnetic body, and the other end of the second joint can be attached to or detached from the other part of the divided magnetic body. Since the second joint can be unlocked, the electric noise absorber can be easily attached around a desired position on the electric wire without disconnecting the electric wire. When the other end of the second joint is pulled and attached to the magnetic body using the contraction force of the resilient member, the abutment surfaces of the divided magnetic body are held closely adjacent to the electric wire, making a magnetic circuit about the electric wire. The electric noise absorber can thus absorb electric noise with a minimum required structure.

Abstract: An electric noise absorber, comprising hollow cases that are shaped so as to surround the periphery of electric cable of an electronic device and are filled with a magnetic substance, such as grain ferrite, which absorbs electric noise on the electric cable. The hollow cases are molded to fit the electric cable and the quantity of magnetic substance is adjusted to reduce as much electric noise as desired. Consequently, the electric noise absorber is made easily and has no extra units.

Abstract: An electric noise absorber, comprising divided magnetic substances made of ferrite, a holding member for holding the magnetic substances at its holding projections, and engaging members formed in the magnetic substances which engage with the holding projections. The electric noise absorber is attached to and detached from an electric cable easily without removing the electric cable and is composed of a minimum number of units.

Abstract: An electric noise absorber, comprising divided magnetic substances made of ferrite, a holding member made of elastic material and fixtures for being connected to each other or fixed to a component of an electronic device, and engaging grooves formed on the outer surfaces of the magnetic substances for engaging with the holding member, is attached to and detached from an electric cable easily without removing the electric cable, and is composed of a minimum number of units.

Abstract: A connection fitting for a corrugated tube includes a cylindrical housing, a bow-shaped locking element attached to the housing by a hinge portion and a corrugated tube for insertion into the housing. The cylindrical housing has two openings and a wall element between them for receiving a bow-shaped locking element provided with two pairs of ribs on its inner surface corresponding to the openings. When inserting the corrugated tube into the cylindrical housing, the corrugated tube is fixed firmly to the cylindrical housing by the ribs on the locking element engaging with the groove portions of the corrugated tube through the openings.

Abstract: A fixing appliance according to the present invention includes a base plate one end portion of which is bent to the surface side to form an upstand portion of predetermined certain height, a first substrate mounting portion contiguous to the upstand portion tiltably through a flexible thin-wall portion formed at a fore end part of the upstand portion, and a second substrate mounting portion contiguous to the other end portion of the base plate tiltably through a flexible thin-wall portion formed at this other end portion, the fixing appliance further including a fixing mechanism which is provided on the back of the base plate and which can fix the base plate to a stationary member, and mounting mechanisms which are provided on the first and second substrate mounting portions and which permit mounting of substrates to those substrate mounting portions.