Abstract:
The aim of the disclosed invention is to provide a capacitor-built-in-type printed wiring substrate which can reliably eliminate noise and attains extremely low resistance and low inductance involved in connection between an IC chip and the capacitor and to provide a printed wiring substrate and a capacitor used in the same. To achieve this object, a capacitor-built-in-type printed wiring substrate (100) on which an IC chip is mounted includes a capacitor-built-in-type printed wiring substrate (110) and an IC chip (101) mounted on the capacitor-built-in-type printed wiring substrate (110). A printed wiring substrate (120) includes a number of connection-to-IC substrate bumps (152) and a closed-bottomed capacitor accommodation cavity (121) formed therein. A capacitor (130) is disposed in the cavity (121) and includes a pair of electrode groups (133E and 133F) and a number of connection-to-IC capacitor bumps (131) connected to either one of the paired electrode groups (133E and 133F). The connection-to-IC capacitor bumps (131) are flip-chip-bonded to corresponding connection-to-capacitor bumps (103) on the IC chip. The connection-to-IC substrate bumps (152) are flip-chip-bonded to corresponding connection-to-substrate bumps (104) on the IC chip.
Abstract:
The invention concerns a connector apparatus for transmitting a plurality of signals between a plurality of first terminals, for connection to a first device, and a corresponding plurality of second terminals, for connection to a second device, comprising a plurality of rigid contacts for electro-mechanically coupling the plurality of first terminals to the corresponding plurality of second terminals, predetermined ones of said plurality of contacts comprising: electrical active means for electrically affecting a corresponding one of the plurality of signals as the corresponding one of the plurality of signals is transmitted between the corresponding first terminal and the corresponding second terminals, wherein said electrically affecting means comprises a controlled impedance, wherein said controlled impedance comprises:
(a) a ceramic substrate (202) having an outer surface; (b) a first conductive surface (204) deposited on a first portion of said outer surface, said first conductive surface being coupled to a corresponding one of the plurality of first terminals (158G); (c) a second conductive surface (206) deposited on a second portion of said outer surface, said second conductive portion not in electrical communication with said first conductive surface, said second conductive surface being coupled to a corresponding one of the plurality of second terminals (158H); and (d) a component (208) having a first terminal (210) and a second terminal (212), said first terminal being coupled to said first conductive surface and said second terminal being coupled to said second conductive surface, whereby the signal passes between said first conductive surface, said first terminal of the component, said second terminal of said component, and said second conductive surface.
Abstract:
There is described a high-frequency module comprising a high-frequency device-mounting package and an external circuit board characterized in that said high-frequency device-mounting package (A) includes a dielectric substrate (1) having a first grounding layer (4) contained therein, said dielectric substrate (1) mounting a high-frequency device (2) on one surface thereof and having, formed on one surface thereof, first high-frequency signal transmission lines (3) connected to said high-frequency device (2), and having, formed on the other surface thereof, second high-frequency signal transmission lines (7) coupled to said first high-frequency signal transmission lines (3), said external circuit board (B) is constituted by a dielectric board (20) having third high-frequency signal transmission lines (25) and a second grounding layer (26), said third high-frequency signal transmission lines (25) being formed on one surface of said dielectric board (20), and said second grounding layer (26) being formed on the other surface of said dielectric board (20) or inside thereof; and said high-frequency device-mounting package (A) and said external circuit board (B) are arranged side by side, and the second high-frequency signal transmission lines (7) of the high-frequency device-mounting package (A) are electrically connected to the third high-frequency signal transmission lines (25) of the external circuit board (B) through linear electrically conducting members (31). The patterns of the second high-frequency signal transmission lines on the side of the high-frequency device-mounting package can be easily aligned with the patterns of the third high-frequency signal transmission lines on the side of the external circuit board, effectively reducing the transmission loss at the junction portions of the lines.
Abstract:
A wiring structure comprises a connector and an electromagnetic relay mounted on a printed circuit board. Connector terminals extend respectively to lead terminals of the electromagnetic relay. Through holes formed respectively through distal end portions of the connector terminals and, are aligned respectively with through holes in the printed circuit board in an overlying manner, and each of the lead terminals of the electromagnetic relay is passed through the associated mating pair of aligned through holes, and is fixed thereto by soldering.
Abstract:
A semiconductor element package (P) and a semiconductor element package mounting distributing circuit basic plate, wherein the shield metallic layer (60) is provided on the flexible insulating basic plate for constituting the package, so that the semiconductor element (30) mounted on the flexible insulating basic plate (10) may be kept electromagnetically shielded positively with the shield metallic layer, whereby troublesome operation such as mounting the bulk high box shaped electromagnetic shield member on the outside of the semiconductor element package mounted on the distributing circuit basic plate as in the conventional one is not required, and, also, since the shield metallic layer is provided on the face, which is not formed with the lead patterns, of the flexible insulating basic plate, no influences are applied at all upon the construction of the land pattern and the mounting construction of the semiconductor element.
Abstract:
A filter apparatus comprises a multi-layer printed circuit board (7) on which is mounted a shielded filter (4) having input and output terminals (44, 45) protruding from the printed circuit board. The printed circuit board (7) is formed from two insulating substrates (71, 72). A connective conductive pattern (82) is formed on an inner surface of one (72) of the substrates that faces the other substrate (71). Conductive layers (81, 83g) are formed on respective outer surfaces of the substrate opposing the connection conductive pattern (82). At least one of the input and output terminals (44, 45) of the filter (4) is connected to the connective conductive pattern (82) and the conductive layers (81, 83g) are grounded, thereby shielding the connective conductive pattern (82).