Abstract:
A memory module includes a plurality of memory units and an assembling holder. Each of the memory units includes a memory substrate, at least a memory chipset having a predetermined memory capacity mounted on the memory substrate, and an electric terminal provided at a lower edge portion of the memory substrate. The assembling holder includes an elongated unit housing having an elongated receiving slot extended therealong and a signal terminal provided along the unit housing, wherein the electric terminals of the memory substrates are detachably inserted into the receiving slot of the unit housing to electrically connect the electric terminals with the signal terminal, such that the memory units are alignedly and detachably mounted along the receiving slot in an edge to edge manner.
Abstract:
A stacked type semiconductor device includes semiconductor devices, interposers by which the semiconductor devices are stacked, the interposers having electrodes provided on sides thereof, and a connection substrate connecting the electrodes together. The electrodes provided on the sides of the interposers may be connected to the connection substrate by one of an electrically conductive adhesive or an anisotropically conductive film.
Abstract:
A control circuit board has an end portion formed with a cut that is opened sideways. The cut is coated with a conductor layer. Upon connecting the control circuit board to a conductor such as a bus bar, solder is supplied so as to bridge the conductor layer and the bus bar in a state that the conductor layer is laid on the bus bar.
Abstract:
A wired circuit board that can allow precise connection between wired circuit boards with respect to a direction orthogonal to each other with a simple structure, while allowing reduction in size of the wired circuit boards, and a connecting structure of the wired circuit board comprising two wired circuit boards connected to each other with respect to a direction orthogonal to each other. Relay terminals 9 of the circuit suspension board 1 are arranged along one widthwise edge of the circuit suspension board 1, and terminal cutouts 10 cut in a generally semicircular arc shape from one edge thereof toward an widthwise inside thereof are formed in the relay terminals 9. In addition, insulating base layer cutouts 12 are formed in the first insulating base layer 3 to correspond to the terminal cutouts 10. The circuit suspension board 1 and a flexible wired circuit board for relay 21 are electrically connected to each other by fitting bumps 29 formed on suspension terminals 26 of the flexible wired circuit board for relay 21 in the terminal cutouts 10.
Abstract:
A mounting structure for mounting a terminal at a circuit board, which allows the terminal to be mounted at the circuit board easily by using an automatic mounter and facilitates inspection of the bonding state at the mounting area where the terminal is mounted at another board, is provided. The mounting structure for a circuit board terminal also assures a sufficient level of strength at the terminal mounting area, reduces the electrical resistance and improves the usable area ratio at the circuit board. According to the present invention, one or a plurality of recessed electrodes (1a) are formed at an end of a circuit board (1) in correspondence to each terminal. One or a plurality of hollow through electrodes (1b) are disposed near the recessed electrodes (1a) at the circuit board (1) in correspondence to each terminal. A mounting portion (4b) of each terminal (4) which is mounted at the circuit board (1), includes a first vertical portion (4c), a horizontal portion (4d) and a second vertical portion (4e) formed by bending the front end of the horizontal portion (4d). The first vertical portion (4c) is fitted at the recessed electrodes (1a) at the circuit board (1) and is then bonded to the circuit board (1) via a conductive bonding material. The second vertical portion (4e) is inserted at the through electrodes (1b) and is then bonded via a conductive bonding material.
Abstract:
A surface mounting chip network component in which a network having three or more odd number of terminals are formed on the surface of an insulating substrate and Tomb Stone Phenomenon is suppressed. Even number of network circuits are formed on the surface of the insulating substrate (2) and the same number of terminals (1) are arranged, respectively, on the opposite sides of the insulating substrate (2). Alternatively, even number of network circuits are formed on the surface of the insulating substrate (2) and the terminals (1) are arranged on the side edges of the insulating substrate (2) point-symmetrically with respect to the center of the surface of the insulating substrate (2).
Abstract:
The A ceramic multilayer substrate includes a plurality of ceramic substrates being stacked vertically, each substrate having a designated thickness; pattern layers formed on surfaces of the ceramic substrates so as to form circuit elements; external terminals vertically formed on side surfaces of the stacked ceramic substrates; and internal connection parts, each of which is formed on a part of one of the pattern layers, is connected to one of the external terminal terminals so as to exchange signals with the outside, and be is broad enough to surround at least partially the connected external terminal.
Abstract:
A multidie semiconductor device (MDSCD) package includes a generally planar interposer comprising a substrate with a central receptacle, upper surface conductors, and outer connectors on the lower surface of the interposer. Conductive vias connect upper surface conductors with outer connectors. One or more semiconductor devices may be mounted in the receptacle and one or more other semiconductor devices mounted above and/or below the interposer and attached thereto. The package may be configured to have a footprint not significantly larger than the footprint of the largest device and/or a thickness not significantly greater than the combined thickness of included devices. Methods for assembling and encapsulating packages from multidie wafers and multi-interposer sheets or strips are disclosed. Methods for combining a plurality of packages into a single stacked package are disclosed. The methods may include use of somewhat laterally extending intermediate conductive elements, flip-chip style electrical connection, or both within the same package.
Abstract:
A via provides a plurality of electrical connections between conductors on different layers of a circuit board. The via includes an opening through the circuit board formed by a plurality of substantially partially overlapping bores. An electrically conductive plating is formed on an inner surface of the opening. The plating forms a plurality of distinct electrically conductive paths.
Abstract:
A surface-mount device has a substrate, a pair of electrodes, each of which comprises an upper electrode and a lower electrode. A pair of grooves are formed in opposite sides of the substrate. The upper electrode and the lower electrode are connected by a connecting layer formed on an inside wall of each of the grooves. An LED is mounted on one of the electrodes, and a lid is provided in an upper portion of each of the grooves. A protector layer is formed on the substrate to seal the upper electrode, LED and lids.