Abstract:
One ends of a plurality of interface pins are attached to a substrate in a line. Optical semiconductor device and an electric circuit are mounted on this substrate. The other ends of the interface pins are fit into holes in an another substrate. Signals are exchanged between the two substrates via the interface pins. The interface pins are embedded in a dielectric material. A plurality of ground pins and/or ground through holes may be provided in the dielectric material around the interface pins. The dielectric constant of the dielectric material is less than the dielectric constants of the two substrates.
Abstract:
The density of plated thru holes in a glass fiber based chip carrier is increased by off-setting holes to positions in which fibers from adjacent holes will not connect. Elongated strip zones or regions having a width approximately the diameter of the holes and running along orthogonal columns and rows of holes, parallel to the direction of fibers, define regions of fibers that can possibly cause shorting between holes. Rotating a conventional X-Y grid pattern of equidistant holes so as to position, for example, alternate holes in one direction between the elongated strip zones running in the opposite direction significantly increases the distance between holes along the elongated strip zones running in each direction. The holes are positioned between elongated strip zones with sufficient clearance to compensate for variations in the linear path of fibers.
Abstract:
An insulation film for providing an insulation substrate carrying a semiconductor chip of a semiconductor package. Insulation film 10 is provided with rows of opposing sprocket holes 12 formed on either edge of the above mentioned insulation film, and through holes 14 are disposed two-dimensionally between the rows of sprocket holes 12. Pitch p between through holes 14 is determined by the relationship mp=nL (i.e., n and m are integers, and n
Abstract:
An insulation film for providing an insulation substrate carrying a semiconductor chip of a semiconductor package. Insulation film 10 is provided with rows of opposing sprocket holes 12 formed on either edge of the above mentioned insulation film, and through holes 14 are disposed two-dimensionally between the rows of sprocket holes 12. Pitch p between through holes 14 is determined by the relationship m p=n L (i.e., n and m are integers, and n
Abstract translation:一种用于提供承载半导体封装的半导体芯片的绝缘衬底的绝缘膜。 绝缘膜10设置有形成在上述绝缘膜的任一边缘上的一排相对的链轮孔12,并且通孔14二维地设置在链轮孔12之间。通孔14之间的间距p由 关系mp = n L(即,n和m是整数,n
Abstract:
A module with a built-in circuit component of the present invention includes an electric insulating layer, a pair of wiring layers provided on both principal planes of the electric insulating layer, a plurality of via conductors electrically connecting the pair of wiring layers and passing through the electric insulating layer in a thickness direction thereof, and a circuit component buried in the electric insulating layer, wherein the plurality of via conductors are disposed in a circumferential portion of the electric insulating layer in accordance with a predetermined rule. The plurality of via conductors are placed at an interval, for example, so as to form at least one straight line, in a cut surface of the electric insulating layer in a direction parallel to a principal plane thereof.
Abstract:
A standardized or partial standardized circuit board core comprises at least a dielectric core layer and a plurality of conductive posts, in which the dielectric layer has a first surface and a related second surface. The conductive posts pass through the dielectric core layer and connect to the first and second surfaces of the dielectric layer respectively. The conductive posts are array arranged or arranged in a constant distance form in the dielectric core layer. Moreover, the standardized or partial standardized circuit board core further includes two conductive layers, which are covered on the first and second surfaces of the dielectric core layer.
Abstract:
The present invention is directed to an apparatus and method for connecting integrated circuits placed on opposite sides of a circuit board through utilization of conduction elements embedded in the circuit board and extending from one surface of the board to the other. Conductive traces extend along the surface of the circuit board from the conduction elements to the integrated circuits. The conductive traces may be formed from multiple conductive layers.
Abstract:
A method 10, 110 for making multi-layer circuit boards having metallized apertures 38, 40, 130, 132 which may be selectively and electrically grounded and having at least one formed air-bridge 92, 178.
Abstract:
A method 10 for making multi-layer electronic circuit boards 148, 248 having aperture 146, 246 which may be selectively connected to an electrical ground potential.
Abstract:
A method for making a multi-layer electronic circuit board 136 having electroplated apertures 96, 98 which may be selectively and electrically isolated from an electrically grounded member 46 and further having selectively formed air bridges and/or crossover members 128 which are structurally supported by material 134.