摘要:
A wiring board includes a substrate having an opening portion, multiple electronic devices positioned in the opening portion, and an insulation layer formed on the substrate such that the insulation layer covers the electronic devices in the opening portion of the substrate. The substrate has a wall surface defining the opening portion and formed such that the opening portion is partially partitioned and the electronic devices are kept from making contact with each other.
摘要:
A method for manufacturing a multilayer printed wiring board includes preparing a metal layer having metal member portions and connector portions connecting the metal member portions, forming laminated multilayer structures having electronic components and the metal member portions, respectively, forming cut penetrating holes in the connector portions of the metal layer, respectively, such that the connector portions of the metal layer are cut, and forming interlayer insulation layers on the laminated multilayer structures such that the laminated multilayer structures are interposed between the interlayer insulation layers. The forming of the interlayer insulation layers includes filling the cut penetrating holes with a resin derived from one or more interlayer insulation layers on the laminated multilayer structures.
摘要:
A wiring board includes a substrate having an opening portion, multiple electronic devices positioned in the opening portion, and an insulation layer formed on the substrate such that the insulation layer covers the electronic devices in the opening portion of the substrate. The substrate has a wall surface defining the opening portion and formed such that the opening portion is partially partitioned and the electronic devices are kept from making contact with each other.
摘要:
A printed wiring board includes a core substrate having a penetrating hole, a first conductive layer on a first surface of the substrate, a second conductive layer on a second surface of the substrate, a first electronic component having an electrode and accommodated in the hole such that the electrode faces the first surface, a first structure on the first surface and including a pad for mounting a second electronic component on the first structure and a via conductor connected to the electrode, and a second structure on the second surface. The electrode has an upper surface facing toward the first surface, the first layer has an upper surface facing away from the first surface, and the first component is positioned in the hole such that the upper surface of the electrode forms a gap with the upper surface of the first layer.
摘要:
A printed wiring board includes a core substrate having a penetrating hole, a first conductive layer on a first surface of the substrate, a second conductive layer on a second surface of the substrate, a first electronic component having an electrode and accommodated in the hole such that the electrode faces the first surface, a first structure on the first surface and including a pad for mounting a second electronic component on the first structure and a via conductor connected to the electrode, and a second structure on the second surface. The electrode has an upper surface facing toward the first surface, the first layer has an upper surface facing away from the first surface, and the first component is positioned in the hole such that the upper surface of the electrode forms a gap with the upper surface of the first layer.
摘要:
A printed wiring board includes a substrate having an accommodation section having multiple opening portions, multiple electronic components accommodated in the opening portions, respectively, a filler resin provided in the opening portions in the substrate such that the electronic components are secured in the opening portions in the substrate, a resin insulation layer formed over the substrate and the electronic components, a conductive layer formed on the resin insulation layer, and via conductors formed in the resin insulation layer and connecting the conductive layer and the electronic components. The opening portions are connected to each other.
摘要:
A wiring board includes a core substrate having an opening portion and a through hole adjacent to the opening portion, a capacitor positioned in the opening portion, and a through-hole conductor formed in the through hole of the core substrate and having a conductor filling the through hole. The core substrate has a first surface and a second surface on the opposite side of the first surface, the opening portion of the core substrate penetrates from the first surface to the second surface, the through-hole conductor has a first conductive portion and a second conductive portion connected to the first conductive portion in the core substrate, the first conductive portion of the through-hole conductor becomes narrower from the first surface toward the second surface, and the second conductive portion of the through-hole conductor becomes narrower from the second surface toward the first surface.
摘要:
A wiring board includes a substrate having an opening portion, electronic components positioned in the opening portion of the substrate and including first and second electronic components, and an insulation layer formed over the substrate and the first and second components. The first component has first and second electrodes having side portions on side surfaces of the first component, the second component has first and second electrodes having side portions on side surfaces of the second component, the first electrode of the first component and the first electrode of the second component are set to have substantially the same electric potential, and the first component and the second component are positioned in the opening portion of the substrate such that the side portion of the first electrode of the first component is beside the side portion of the first electrode of the second component.
摘要:
A multilayered printed circuit board or a substrate for mounting a semiconductor device includes a semiconductor device, a first resin insulating layer accommodating the semiconductor device, a second resin insulating layer provided on the first resin insulating layer, a conductor circuit provided on the second resin insulating layer, and via holes for electrically connecting the semiconductor device to the conductor circuit, wherein the semiconductor device is accommodated in a recess provided in the first resin insulating layer, and a metal layer for placing the semiconductor device is provided on the bottom face of the recess. A multilayered printed circuit board in which the installed semiconductor device establishes electrical connection through the via holes is provided.
摘要:
A wiring board with a built-in electronic component includes a substrate having an opening portion and having a first surface and a second surface on the opposite side of the first surface, and an electronic component having a third surface and a fourth surface on the opposite side of the third surface and positioned in the opening portion of the substrate such that the third surface faces the same direction as the first surface of the substrate. The electronic component has a curved surface joining the fourth surface and a side surface of the electronic component, and the opening portion of the substrate has a tapered portion formed by a tapered surface of the substrate joining an inner wall of the opening portion and the first surface and tapering from the first surface toward the second surface.