Abstract:
A hybrid structure of multi-layer substrates comprises a first multi-layer substrate and a second multi-layer substrate. The first multi-layer substrate stacks up first metal layers, first dielectric layers alternately and has VIAs. A border district of a first metal layer connects with a border district of the corresponding first dielectric layer. The border districts are separated from adjacent first metal layers and adjacent first dielectric layers. The second multi-layer substrate stacks up second metal layers and second dielectric layers alternately. A border district of a second metal layer connects with a border district of the corresponding second dielectric layer. The border districts are separated from adjacent second metal layers and adjacent second dielectric layers. The VIAs are located at the border districts of the first dielectric layers and each VIA has electric conductor therein to connect one first metal layer with one second metal layer.
Abstract:
A hybrid structure of multi-layer substrates comprises a first multi-layer substrate and a second multi-layer substrate. The first multi-layer substrate stacks up first metal layers, first dielectric layers alternately and has VIAs. A border district of a first metal layer connects with a border district of the corresponding first dielectric layer. The border districts are separated from adjacent first metal layers and adjacent first dielectric layers. The second multi-layer substrate stacks up second metal layers and second dielectric layers alternately. A border district of a second metal layer connects with a border district of the corresponding second dielectric layer. The border districts are separated from adjacent second metal layers and adjacent second dielectric layers. The VIAs are located at the border districts of the first dielectric layers and each VIA has electric conductor therein to connect one first metal layer with one second metal layer.
Abstract:
A female circuit board for use with a male circuit board has electrically conductive projections. The female circuit board includes a flexible insulating film. The flexible insulating film includes insertion portions into which the conductive projections of the male circuit board are allowed to be inserted. Each of the insertion portions includes a plurality of slits communicating with each other at the center of each of the insertion portions. The flexible insulating film further includes electrically conduction portions for making contact with the conductive projections to come into conduction with the male circuit board. The conduction portions are disposed around the insertion portions on the surface of the female circuit board facing the male circuit board when the female circuit board is in contact with the male circuit board. The conduction portions conform in shape to the insertion portions.
Abstract:
In a connection structure of an electronic component and a wired circuit board, the electronic component includes a plurality of external terminals. The wired circuit board includes a metal supporting board, an insulating base layer formed on the metal supporting board, and a conductive pattern formed on the insulating base layer. The conductive pattern includes a plurality of terminal portions for connection with the plurality of external terminals. The electronic component and the wired circuit board are disposed such that the plurality of external terminals and the plurality of terminal portions face each other. The wired circuit board is bent such that the conductive pattern is warped, and by the reaction force of the warping, the terminal portions and the external terminals are abutted, and the electronic component and the wired circuit board are electrically connected.
Abstract:
A hybrid structure of multi-layer substrates comprises a first multi-layer substrate and a second multi-layer substrate. The first multi-layer substrate stacks up first metal layers, first dielectric layers alternately and has VIAs. A border district of a first metal layer connects with a border district of the corresponding first dielectric layer. The border districts are separated from adjacent first metal layers and adjacent first dielectric layers. The second multi-layer substrate stacks up second metal layers and second dielectric layers alternately. A border district of a second metal layer connects with a border district of the corresponding second dielectric layer. The border districts are separated from adjacent second metal layers and adjacent second dielectric layers. The VIAs are located at the border districts of the first dielectric layers and each VIA has electric conductor therein to connect one first metal layer with one second metal layer.
Abstract:
A circuit board with a simple structure is manufactured. A circuit board 19 has thereon a foil circuit 21 provided on a synthetic resin plate 20 formed by injection molding, made of a copper foil, and having a pattern different for circuit board 19. Anchor pins 20a projecting upward are provided on the resin plate 20 and passed through pinholes made in the foil circuit 21. The foil circuit 21 are positioned and secured to the resin plate 20. In a required portion of the resin plate 20, a terminal insertion hole 20c is provided, and receiving terminal 22 is secured to the required portion of the terminal insertion hole 20c and connected to the foil circuit 21.
Abstract:
A laminate includes base material layers and interlayer constraining layers disposed therebetween. The base material layers are formed of a sintered body of a first powder including a glass material and a first ceramic material, and the interlayer constraining layer includes a second powder including a second ceramic material that will not be sintered at a temperature for melting the glass material, and is in such a state that the second powder adheres together by diffusion or flow of a portion of the first powder including the glass material included in the base material layer at the time of baking. The incorporated element is in such a state that an entire periphery thereof is covered with the interlayer constraining layer.
Abstract:
A circuit board may include first and second sides, a plurality of circuit board layers between the sides, and a plurality of signal traces located in respective circuit board layers. The circuit board layers and the signal traces may extend from a first component connection region at the first side of the circuit board to a second component connection region at the first side of the circuit board. The signal traces may thus form stubless signal paths through the circuit board between the component connection regions. Of course, many alternatives, variations, and modifications are possible without departing from this embodiment.
Abstract:
In a process for assembling a microstructure (1), provision is made of a first microstructure piece (2) having a receiving recess (3) in its surface and a second microstructure piece (5) having a connecting region (6) fitting into the receiving recess (3) and on which is arranged at least one electrical contact element (7a, 7b). Provision is made of a flexible cable (8) having a flat substrate layer (9) made of an electrically insulating material and at least one strip conductor (10) arranged thereon. The cable (8) has at least one tongue (14a, 14b) on which is arranged at least one counter-contact element (11a, 11b) connected to the strip conductor (10). The cable (8) and the microstructure pieces (5) are positioned relative to each other in a preassembly position in which the connecting region (6) is opposite the receiving recess (3) and the tongue (14a, 14b) is aligned between the connecting region (6) and the receiving recess (3). The connecting region (6) is then introduced in the receiving recess (3) by displacement of the microstructure pieces (2, 5) toward one another. In doing so the at least one tongue (14a, 14b) is deflected in the receiving recess (3) in such a way that the at least one counter-contact element (11a, 11b) contacts the at least one contact element (7a, 7b).
Abstract:
An electronic apparatus includes metal wiring plates placed together in the same plane to provide a wiring circuit, electronic devices mounted to the wiring plates through a solder, a case having a base portion and columnar portions extending from the base portion. The wiring plates are fixed to the columnar portions such that the wiring circuit is spaced from the base portion. The wiring plates have an enough thickness to resist a large current for operating the electronic devices and to release heat generated by the electronic devices. The wiring circuit is spaced from the base portion of the case so that the heat generated by the electronic devices is released in the space efficiently. The electronic devices are soldered to the wiring plates at once in a thermal reflow process.