Abstract:
In a plasma display device, the scan electrode drive circuit is mounted at least on a first circuit board generating a sustain pulse and a second circuit board outputting a scan pulse to the scan electrodes. The first circuit board includes a plurality of first metal fittings, each having a screw hole, as an output terminal. The second circuit board includes a plurality of second metal fittings, each having a through-hole, as an input terminal. The first circuit board and the second circuit board are connected to each other by inserting and screwing screws into the screw holes of the first metal fittings via the through-holes of the second metal fittings.
Abstract:
Electronic devices can be provided with at least one first circuit component coupled to a first circuit board, at least one second circuit component coupled to a second circuit board, and a mating assembly coupled to the boards for holding them in a vertical stack. The first circuit components can face the second circuit components in the stack. One or more of the first circuit components can be horizontally offset from one or more of the second circuit components in the stack to reduce the thickness of the mated circuit boards. Portions of the circuit boards and the mating assembly can shield the circuit components of the stack from electromagnetic interference.
Abstract:
Horizontal dual in-line memory modules are disclosed. In one embodiment, the memory module includes a circuit board, a plurality of memory chips attached to a top surface of the circuit board, and a plurality of connector contacts disposed under a back surface of the circuit board and extending away from the memory chips, the connector contacts being electrically coupled to the memory chips, the back surface opposite the top surface of the circuit board.
Abstract:
An electronic device includes a dielectric plate oriented parallel to a first direction. A conductive trace may be on a surface of the dielectric plate and forms a meander pattern on the surface of the dielectric plate. The conductive trace forms a loop antenna element including an RF feed point at a first end of the trace and a ground point at a second end of the conductive trace. A meandered printed circuit board (PCB) extends from the dielectric plate on a side of the dielectric plate opposite the conductive trace. The meandered PCB includes a plurality of primary portions extending in a second direction perpendicular to the first direction, and the plurality of primary portions include electronic components mounted thereon.
Abstract:
A downhole tool string component has a through-bore intermediate first and second tool joints adapted for connection to adjacent tool string components. An instrumentation package is disposed within an outer diameter of the component. The instrumentation package comprises a circuit board assembly. The circuit board assembly comprises alternating rigid and elastomeric layers. The rigid layers are in electrical communication with each other.
Abstract:
A memory module with attached transposer and interposers to provide additional surface area for the placement of memory devices is disclosed. The memory module includes a memory board with a first surface, a second surface and an edge with a set of electrical contacts. A transposer is attached to each surface of the memory board, and an interposer is attached to each transposer on the opposite surface of the transposer from the memory board. The interposer has space to allow placement of memory devices on both a first surface between the interposer and the memory board, and on a second surface of the interposer away from the memory board.
Abstract:
A substrate connecting member connects two circuit boards connected together while maintaining high reliability of the junctions between itself and the circuit boards even if the circuit boards are warped by temperature change of an impact load. The substrate connecting member includes a frame member made of an insulating resin; slit grooves formed in at least one of the inner and outer surfaces of frame side portions composing the frame member, the slit grooves being formed throughout the entire length of the frame side portions in the direction perpendicular to the thickness direction of the frame side portions; and connection conductor portions having connection terminals provided on the top and bottom surfaces, respectively, of the frame side portions in the thickness direction and connecting conductors each connecting connection terminals.
Abstract:
A computer system is described. This computer system includes a main power connector and one or more circuit boards rigidly connected to the main power connector, including mechanical and electrical connection. The main power connector has a body that includes a plurality of contacts. The main power connector is configured to mate with a corresponding connector, other than an expansion slot, on a motherboard in the computer system. The motherboard is coupled to one or more processors. A first plane including a first circuit board in the one or more circuit boards is substantially parallel to a symmetry plane of the body. The symmetry plane includes a direction of insertion of the main power connector when mated with the corresponding connector. The one or more circuit boards include one or more switched mode power supplies to convert an input signal to one or more output signals.
Abstract:
A three-dimensional module having a first substrate holding a function element, and a second substrate holding other components. The first and second substrates are laid one above the other in a three-dimensional fashion, and are electrically and mechanically connected. The module has inter-substrate joining members interposed between the first and second substrates and joining the first and second substrates. Each inter-substrate joining member has a stress-absorption member and an electrically conductive stress-absorption member. The stress-absorption member has elasticity and mechanically joining the first and second substrates. The electrically conductive stress-absorption member connects the first and second substrates and can deform in a desirable direction.
Abstract:
A stacked semiconductor module, a method of fabricating the same, and an electronic system using the module are provided. A first semiconductor module having a plurality of semiconductor devices mounted on a rigid printed circuit board (PCB) and a second semiconductor module having a plurality of other semiconductor devices mounted on a flexible PCB are provided. On the rigid PCB a number L of first tabs may be disposed on a first surface, and a number K of second tabs may be disposed on a second surface of the rigid PCB. The flexible PCB may have a number M of third tabs on a third surface, and a number N of fourth tabs on a fourth surface of the flexible PCB. The second tabs may be combined with the third tabs using a conductive adhesive. The third tabs may be electrically connected to corresponding ones of the second tabs.