Abstract:
A plugtype power supply unit includes an enclosure (100), a plug portion (150) secured thereto, and a low-voltage cord (200) extending from said enclosure. Each cross-sectional configuration of said enclosure with said plug portion corresponds to and does not exceed the cross-sectional configuration of a plug face of a European type plug according to the EN 50075 standard. A switch mode power supply circuit mounted on a PCB (300) is built into said enclosure, said switch mode power supply circuit includes a transformer (T1) for power converting and a capacitor (C1) for regulating an input voltage, a central axis of said capacitor is disposed parallel to the direction of said PCB (300).
Abstract:
An electronic component holder includes a holder body and a wire retaining portion. The holder body includes a plurality of first grooves formed in a top face of the holder body and a plurality of second grooves formed in a back face of the holder body. The first grooves and the second grooves are configured to receive a lead wire of an electronic component. The lead wire is configured to be bent to be disposed in one of the second grooves. The back face intersects with the top face. The wire retaining portion is provided to the holder body. The wire retaining portion is configured to engage the lead wire to retain the lead wire in the second grooves.
Abstract:
A circuit board assembly (10) has a flat coil element (13) mounted on a circuit board (11) so that an electric power loss is not generated even when the flat coil element (13) is mounted to the circuit board (11) together with a circuit part (15) having a large heat sink (16). A module mounted (11) on the circuit board has an electronic circuit device (15) and a heat radiator (16) attached to the electronic circuit device (15). The heat radiator (16) has an extending part (16a) protruding from the electronic circuit device (15) and extending parallel to a surface of the circuit board (11). A coil mounting area provided with no pattern wire is formed in a part of the circuit board (11) facing the extending part (16a). The flat coil element (13) is mounted parallel to the circuit board (11) in a state where a coil part of the flat coil element (13) faces the coil mounting area.
Abstract:
To realize low-profile electronic apparatus (a memory module and a memory card) of a large storage size by mounting tape carrier packages (TCPs) with a memory chip encapsulated onto a wiring board in high density. To be more specific, a TCP is composed of an insulating tape, leads formed on one side thereof, a potting resin with a semiconductor chip encapsulated, and a pair of support leads arranged on two opposite short sides. The pair of support leads function to hold the TCP at a constant tilt angle relative to the mounting surface of the wiring board. By varying the length vertical to the mounting surface, the TCP can be mounted to a desired tilt angle.
Abstract:
An optical communication apparatus which comprises a printed circuit board (12), plural circuit elements (20, 21) fixed to the printed circuit board, the circuit elements having terminals (11a, 11b) extended to the printed circuit board, a photosensitive glass base (71) fixed to the printed circuit board, various optical components (1, 2) accurately fixed to the glass base, the optical elements respectively having plural leads (8a, 8b), and corresponding conductive members (10) for electrically connecting the terminals of the circuit elements (11a, 11b) and the corresponding leads of the optical components, the conductive members each having a rigidity smaller than the rigidity of the corresponding leads of the optical components.
Abstract:
Disclosed are a flexible printed circuit board and an optical communication module including the same. The flexible printed circuit board includes a base substrate that is flexible; at least one signal pad part including upper and lower signal pads formed at top and bottom surfaces of the base substrate, respectively, and connected to each other through a signal via, and having a through hole formed in a region of the at least signal pad part corresponding to the signal via; a signal line formed on the top surface of the base substrate while extending in a longitudinal direction of the base substrate from the upper signal pad; an upper ground pattern formed on the top surface of the base substrate and spaced apart from the upper signal pad and the signal line around the upper signal pad; and a lower ground pad formed on the bottom surface of the base substrate, connected to the upper ground pad through a ground via, and spaced apart from the lower signal pad around the lower signal pad.
Abstract:
오븐 발진기 패키지는 적어도 회로 기판의 대향 측면들 상에 장착된 히터 및 결정 패키지를 포함한다. 비아가 히터로부터 결정 패키지로 열을 전달하기 위해 회로 기판의 본체를 통해 연장된다. 열 전도성 재료의 층이 회로 기판의 본체를 통해 연장되고, 회로 기판 및 그 상부에 장착된 다른 요소 전체에 걸쳐 열을 확산시키기 위해 비아와 열 결합 관계에 있다.
Abstract:
An electronic component holder includes a holder body and a wire retaining portion. The holder body includes a plurality of first grooves formed in a top face of the holder body and a plurality of second grooves formed in a back face of the holder body. The first grooves and the second grooves are configured to receive a lead wire of an electronic component. The lead wire is configured to be bent to be disposed in one of the second grooves. The back face intersects with the top face. The wire retaining portion is provided to the holder body. The wire retaining portion is configured to engage the lead wire to retain the lead wire in the second grooves.
Abstract:
A stand-off mounting apparatus (10/50/80) includes an insulative carrier (12/52/82) for off-board mounting of leaded or surface-mount components (18, 20/58-62/92-96), particularly large temperature-sensitive discrete components such as capacitors. The carrier (12/52/82) has a component-mounting surface that is elevated relative to the circuit board (14), and is positioned with respect to the circuit board (14) such that the circuit board area under the mounting surface of the carrier (12/52/82) is available for the placement of smaller non-temperature-sensitive components. The off-board components (18, 20/58-62/92-96) are mounted on the component-mounting surface of the carrier (12/52/82), and the carrier (82) may include support features (102) for providing additional mechanical support for the components (92-96). Electrical leads (16/56/88) for electrically coupling the elevated components (18, 20/58-62/92-96) to the circuit board (14) may be insert-molded in the carrier (12/52), or may be inserted into plated through-holes (110) in the carrier (82).