Abstract:
PROBLEM TO BE SOLVED: To provide a base plate for high speed transmission with excellent attenuation property and improved noise resistant property, of which terminal part can be easily processed, capable of easily controlling characteristic impedance, by embedding wires between base plates made of dielectric having conductive layers on both surfaces thereof. SOLUTION: The base plate for high speed transmission is composed of a plate material made of dielectric, conductive layers formed on both surfaces of the plate material, and wires embedded in the plate material. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To simplify structure, reduce cost, realize miniaturization, easily perform change of pitch, change of contact part and cross wiring, and ensure electrical contacts in the contact part for improving reliability, by using the wiring of an FPC as a connection terminal unit. SOLUTION: This adapter for a card has a case member 11 storing the card having a terminal member; an inner contact part 26 contacting with the terminal member of the card; an outer contact part 25 contacting with an external terminal member; the connection terminal unit charged in the case member 11; and a spring member energizing the inner contact part 26 toward the terminal member of the card. The connection terminal unit comprises a flexible circuit board, and an arrangement form of the inner contact part 26 and an arrangement form of the outer contact part 25 that differ. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a signal transport substrate that is electromagnetically shielded to obtain a much higher degree of freedom when designing a trace pattern or trace width of a signal line and to obtain a much higher degree of freedom also when adjusting a characteristic impedance. SOLUTION: A signal line 20 is provided along a lengthwise direction on one surface of a flat band-like flexible insulating substrate 30, net conductors 50, 60 are laminated for electromagnetically shielding the signal line 20 on both sides of the flexible insulating substrate 30, and meshes 56, 66 of the net conductors 50, 60 are formed at random to comprise a flat flexible cable 10 that is a signal transport substrate. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To reduce a size of a connector in the condition where a terminal of the connector is mounted at high density, and where strength of the connector is maintained. SOLUTION: A housing 3 mounted with the terminal 2 of the connector 1 is thin-walled using a ceramic excellent in hardness and heat-resistance compared with a resin. The housing 3 is constituted lattice-likely of a plurality of sheet members 7 (main pieces 9 and branch pieces 11) so as to enhance strength of the housing 3, and the terminal 2 is sandwiched in a clearance 17 generated between the sheets. An outer circumferential edge 4 of the housing 3 is surrounded by an insulation member 5 in order to enhance the strength. COPYRIGHT: (C)2003,JPO
Abstract:
PROBLEM TO BE SOLVED: To provide a flexible flat cable which can have contacting points to connectors formed on its one surface and remove the cause of interfering factors to impedance, while improving shielding capacity. SOLUTION: The flexible flat cable is a flexible insulator sheet 2, one side of which is installed with the primary conductive pattern P1 and the other side of which with the secondary conductive pattern P2. The primary conductive pattern P1 comprises a plurality of patterns 3's, each containing a signal pattern S and two ground patterns G's placed on both sides of S, which are extended along the lengthwise direction of the flexible flat cable 2. The secondary conductive pattern P2 comprises a plurality of conductive patterns 5's which are extended along the lengthwise direction of the insulating sheet 2. Each conductive pattern 5 is arranged in a position facing each pattern group 3 sandwiching the insulating sheet 2 between. COPYRIGHT: (C)2003,JPO
Abstract:
PROBLEM TO BE SOLVED: To reduce manufacturing cost by solving the problem of the shield of a connector and to reduce the number of assembling workers, molding property and manufactural properties. SOLUTION: A plug connector 20 is provided with a housing 22, into which a receptacle connector 10 is inserted and plural pin terminals 23 arranged in a row in the housing. The receptacle connector 10 is provided with plural contacts 12, having contact pieces 11 with respective pin terminals, and the housing 13 for retaining the respective contacts. Plural longitudinal shield plates 27 are installed between the respective pin terminals in the plug connector. Plural lateral shield plates 14 are installed in an intersecting form of crossing state with respect to the longitudinal shield plates 27 at the receptacle connector. A slit to make the longitudinal shield plates enter is installed at the housing and the lateral shield plates 14 of the receptacle connector. A first loading part 26a for a unit terminal and a second loading part 26b for the longitudinal shield plates are installed at the housing 22 of the plug connector.
Abstract:
PROBLEM TO BE SOLVED: To further simplify total constitution of a socket, and to improve productivity for achieving compactness and thinness of the whole socket. SOLUTION: In this socket for a semiconductor package 1, the semiconductor package 1 is slid from a first position where it is directly mounted on a housing 2 to a second position along a surface of the housing 2, so that each lead pin in the semiconductor package 1 is electrically connected to a terminal in the housing. A slide means is provided with a recessed part 22 provided in the surface of the housing 2, and a rod operation jig 3 to make sliding operation to the semiconductor package 1 by displacement the other end 32 of it on a support point of one end 31 inserted into the recessed part 22 in the sliding direction of the semiconductor package 1. The recessed part 22 is set in such a way that an end part of the semiconductor package 1 is positioned to the recessed part 22 when the semiconductor package 1 is at the first position.
Abstract:
PROBLEM TO BE SOLVED: To improve installation work, and to improve productivity by enabling a semiconductor package to be securely positioned and held to a socket. SOLUTION: This socket is provided with a base housing having plural terminals in the form of a grid to electrically contact the lead pins of the semiconductor package, a slide member disposed to be slidable along the base housing, and provided with plural through-holes in the form of a grid in which the lead pins can be inserted, a slide device to slide the slide member, and a positioning means to secure an installation position of the semiconductor package to the slide member.
Abstract:
PROBLEM TO BE SOLVED: To enable to cope with a trend for more compactness and higher density by mounting a number of contacts C in narrow pitch on a socket body 1, to which a circuit board is easily put on and off, and that, in a secure mounting state. SOLUTION: The edge type socket for mounting a rectangular circuit plate P equipped with a plurality of contacts at the tip in the insertion direction detachably by the action of insertion operation into the socket body 1, is provided with a plurality of contacts C equipped with the socket body 1 and kept in contact with each contact of the circuit plate P by mounting of the circuit plate, an insertion peg 10 equipped with the socket body 1 and for biasing the mounted circuit plate P toward insertion direction by an insertion operation and a breakaway peg 20 biasing the mounted circuit plate P toward breakaway direction from the socket body 1.
Abstract:
PROBLEM TO BE SOLVED: To provide a socket for a land grid array(LGA) package, capable of decreasing inductance of a terminal and lowering its height. SOLUTION: The terminal 40 is composed of a first terminal 41, having a tail 44 projecting from the bottom of a housing 20 and a second terminal 42, having a contact 43 projecting from the surface of a terminal mounting part 21. The first terminal 41 has an almost V-shaped spring part 49, the second terminal 42 has an almost V-shaped movement 52, capable of fitting to the inside of the spring part 49. An almost V-shaped movement 52 of the second terminal 42 is fit to the inside of the almost V-shaped spring part 49 of the first terminal 41, a current conducting passage is formed on one side of the V-shaped, and an elasticity mechanism for energizing the contact on the other side is formed.