Abstract: An inexpensive fine resistor which do not require dimensional classifications of discrete substrates, eliminating a process of replacing a mask according to a dimensional ranking of each discrete substrate as in the prior art. The resistor includes discrete substrate made into pieces by dividing an insulated substrate sheet along a first slit dividing portion and a second dividing portion perpendicular to the first dividing portion; top electrode layer formed on a top face of discrete substrate; resistor layer formed such that a part of resistor layer overlaps top electrode layer; protective layers formed so as to cover resistor layer; side electrode layer formed on a side face of discrete substrate such that side electrode layer is electrically coupled to top electrode layer.

Abstract: A resistor having reliability in electrical connection between an upper surface electrode and a side face electrode, and in bonding strength between a first thin film and a second thin film is provided. The resistor includes upper surface electrodes formed on a main surface a substrate and side face electrodes disposed to side faces of the substrate and connected electrically to the pair of upper surface electrodes, respectively. The upper surface electrode includes a first upper surface electrode layer and a bonding layer overlying the first upper surface electrode layer. The side face electrode includes a first thin film disposed to a side face of the substrate, a second thin film composed of copper-base alloy film and connected electrically to the first thin film, a first plating film formed by nickel plating for covering the second thin film, and a second plating film covering the first plating film.

Abstract: The present invention relates to a resistor and a manufacturing method of the same. The invention aims at providing the resistor and the manufacturing method thereof that can reduce a soldering area that occupies a mount area, when the resistor is mounted on a mount board. In order to achieve the foregoing object, a resistor comprises a substrate (21), a pair of first upper surface electrode layers (22), each provided on a side portion of an upper surface toward a portion of a side surface of the substrate (21), a pair of second upper surface electrode layers (23) provided in a manner to make electrical connections with the first upper surface electrode layers (22), a resistance layer (24) provided in a manner to make electrical connections with the second surface electrode layers (23), and a protective layer (25) provided to cover at least an upper surface of the resistance layer (24).

Abstract: An object of the present invention is to provide chip electronic components excellent in mass production feasibility, of which the application state of conductive paste that makes side electrodes can be optically distinguished in the production of small-sized chip electronic components. The chip electronic component of the present invention comprises a substrate 11, and side electrodes 15 disposed at the end portions of the substrate 11, wherein the lightness of an entire surface of the side electrode 15 is not more than 6 as defined in JIS-Z8721.

Abstract: An inexpensive fine resistor which do not require dimensional classifications of discrete substrates, eliminating a process of replacing a mask according to a dimensional ranking of each discrete substrate as in the prior art. The resistor includes discrete substrate (11) made into pieces by dividing an insulated substrate sheet along a first slit dividing portion and a second dividing portion perpendicular to the first dividing portion; top electrode layer (12) formed on a top face of discrete substrate (11); resistor layer (13) formed such that a part of resistor layer (13) overlaps top electrode layer (12); protective layers (14, 16) formed so as to cover resistor layer (13); side electrode layer (17) formed on a side face of discrete substrate (11) such that side electrode layer is electrically coupled to top electrode layer (12).

Abstract: A sensing device, such as an angular speed detecting device, includes a vibrator for improving detection precision. The vibrator is displaceably supported on a substrate and is vibrated in the direction of an X-axis by driving electrodes. Detecting electrodes detect vibrations of the vibrator in the direction of a Y-axis caused by a Coriolis' force resulting from the angular speed occurring about a Z-axis. Each of the driving and detecting electrodes includes a movable electrode that is connected to the vibrator and that is displaced together therewith on the substrate and a fixed electrode fixed onto the substrate in such a manner as to face the movable electrode. By equalizing conductors connected to fixed electrodes of the driving electrodes and conductors connected to fixed electrodes of the detecting electrodes in length, width, and thickness, respectively, one electrical characteristic is set for those of the wiring portions which function in the same manner.

Abstract: A physical quantity detector apparatus detects a physical quantity in accordance with the displacement of a vibrator. The apparatus includes: a comb-like fixed electrode having a plurality of electrode fingers; and a comb-like movable electrode being displaceable together with the vibrator and having a plurality of electrode fingers. A voltage is applied between the fixed electrode and the movable electrode.

Abstract: A sensing device, such as an angular speed detecting device, includes a vibrator for improving detection precision. The vibrator is displaceably supported on a substrate and is vibrated in the direction of an X-axis by driving electrodes. Detecting electrodes detect vibrations of the vibrator in the direction of a Y-axis caused by a Coriolis' force resulting from the angular speed occurring about a Z-axis. Each of the driving and detecting electrodes includes a movable electrode that is connected to the vibrator and that is displaced together therewith on the substrate and a fixed electrode fixed onto the substrate in such a manner as to face the movable electrode. By equalizing conductors connected to fixed electrodes of the driving electrodes and conductors connected to fixed electrodes of the detecting electrodes in length, width, and thickness, respectively, one electrical characteristic is set for those of the wiring portions which function in the same manner.

Abstract: A physical quantity detector apparatus detects a physical quantity in accordance with the displacement of a vibrator. The apparatus includes: a comb-like fixed electrode having a plurality of electrode fingers; and a comb-like movable electrode being displaceable together with the vibrator and having a plurality of electrode fingers. A voltage is applied between the fixed electrode and the movable electrode.

Abstract: The present invention is to offer a resistor which can be mounted exactly on the terminals disposed on a circuit board regardless the sides of the resistor, and to offer its manufacturing method by forming the surface of the side-electrode layer at a height higher than the surface of protection layer, or by forming the surface of the second surface electrode layer at a height higher than the surface of protection layer. By these, the resistor can be mounted exactly on the terminal of circuit board at a high yield. Furthermore, since the first surface electrode layer and the second upper electrode layer are electrically connected together through a window provided on the protection layer, a higher connection reliability can be obtained.

Abstract: A resistor comprising a substrate, a pair of first top electrode layers disposed at least on the top face of the substrate, a resistance layer disposed so as to electrically connect with the first top electrode layers, a protective layer disposed so as to cover at least the resistance layer, and a pair of second top electrode layers disposed at least on the top faces of the pair of first top electrode layers. At least one of the pairs of first top electrode layers or second top electrode layers partially extends to the substrate side faces.

Abstract: A method for determining the resistance of a shunt for use with a current limiting device that exhibits PTC characteristics to protect an electrical circuit. The method comprises steps for determining maximum and minimum resistance values based on operating criteria and component characteristics and selecting resistance values that fall within selected ranges.

Abstract: The present invention minimizes the deviations of desired fuse time in the resistors with fuse function, and this is made of a resistor layer 21 consisting of fine electro-conductive particles, fine glass particles having a melting temperature higher than the forming temperature of the fine electro-conductive particles, a solvent dispersing these particles uniformly, and metal caps 23 connecting resistor film 21 at the ends of substrate 22.

Abstract: A wireless door locking and unlocking system for locking and unlocking the door of a motor vehicle having a theft alarm device. Further, the wireless door locking and unlocking system may be available for a door or a window of a house or the like. The car theft alarm device detects a car theft positively to produce an alarm signal. In the wireless door locking and unlocking system, the door-unlocking-signal receiving range is adjusted so that the occurrence of theft is positively prevented.