Abstract:
A board includes a substrate having a bending property, a wiring pattern formed over the substrate and having a bending property, a conductive member formed over the wiring pattern, an electronic component; and a bonding member that bonds the conductive member and the electronic component to each other. And an electronic device includes a board having a bending property, a wiring pattern formed over the substrate and having a bending property, a conductive member formed over the wiring pattern, an electronic component; and a bonding member that bonds the conductive member and the electronic component to each other.
Abstract:
A semiconductor package includes: a first substrate, disposed so as to be opposed to a second substrate, on which a semiconductor chip is mounted; and a solder ball formed on the first substrate, wherein the solder ball is joined to a pin that penetrates through the second substrate.
Abstract:
A laminated substrate includes: a core portion; a first wiring portion configured to be stacked on the core portion and to include a first exposed surface formed by exposing at least part of a surface of the first wiring portion; and a second wiring portion configured to be stacked on the first wiring portion, to include a second exposed surface formed by exposing at least part of a surface of the second wiring portion, and to have higher wiring density of conductor than the first wiring portion has, wherein the first exposed surface and the second exposed surface are provided respectively with a first pad and a second pad which are to be connected to electrodes of one semiconductor chip to be mounted on both the first exposed surface and the second exposed surface.
Abstract:
There is provided a manufacturing method of a layered circuit board in which a first board and a second board are layered, the manufacturing. The method includes arranging an adhesive resin sheet on the first board so that one face faces the first board, the adhesive resin sheet including a plurality of variant via holes, an opening area on the one face of each of the plurality of variant via holes being larger than an opening area on the other face, filling the variant via holes with conductive paste, arranging the second board on the other face of the adhesive resin sheet after the filling with the conductive paste, and performing heat press treatment to apply pressure to the adhesive resin sheet in a layering direction of the first board and the second board under heat.
Abstract:
A semiconductor device mounting structure includes: a substrate with an opening provided therein; a frame member with a frame body and a protruding portion that protrudes from the frame body, the frame body being formed and accommodated in a groove around the opening; a coreless substrate provided above the substrate and supported by the protruding portion of the frame member; and semiconductor elements provided on the coreless substrate.
Abstract:
A method of manufacturing a multilayer circuit substrate, the method includes: injecting a conductive paste into through-holes provided in an insulating substrate to one or both sides of which a protection film is attached; cooling and setting the conductive paste injected into the through-holes; and removing the protection film from the insulating substrate after cooling and setting the conductive paste.
Abstract:
There is provided a manufacturing method of a layered circuit board in which a first board and a second board are layered, the manufacturing. The method includes arranging an adhesive resin sheet on the first board so that one face faces the first board, the adhesive resin sheet including a plurality of variant via holes, an opening area on the one face of each of the plurality of variant via holes being larger than an opening area on the other face, filling the variant via holes with conductive paste, arranging the second board on the other face of the adhesive resin sheet after the filling with the conductive paste, and performing heat press treatment to apply pressure to the adhesive resin sheet in a layering direction of the first board and the second board under heat.
Abstract:
A semiconductor device mounting structure includes: a substrate with an opening provided therein; a frame member with a frame body and a protruding portion that protrudes from the frame body, the frame body being formed and accommodated in a groove around the opening; a coreless substrate provided above the substrate and supported by the protruding portion of the frame member; and semiconductor elements provided on the coreless substrate.