摘要:
A printed wiring board includes a core substrate having a penetrating hole extending through the core substrate, an electronic component accommodated in the penetrating hole of the core substrate, a filler resin filling clearance between the component and the core substrate, a first resin insulation layer formed on the component and a first surface of the core substrate, and a second resin insulation layer formed on the component and a second surface of the core substrate on the opposite side of the first surface of the core substrate. The filler resin has elastic modulus which is set to be lower than 0.2 Gpa and thermal expansion coefficient which is set to be higher than 100 ppm and lower than 200 ppm, and the core substrate has elastic modulus which is set to be higher than 30 Gpa, and thermal expansion coefficient which is set to be lower than 10 ppm.
摘要:
A wiring board including a core substrate having an accommodation portion, an electronic component in the accommodation portion having a substrate, a resin layer on a surface of the substrate and an electrode on the resin layer, a first interlayer resin insulation layer on a surface of the core substrate and a surface of the substrate of the component, and a second interlayer resin insulation layer on the opposite surface of the core substrate and a surface of the substrate having the resin layer and electrode. The first insulation layer has resin in the amount greater than the amount of resin in the second insulation layer such that the total amount of resin component including the resin in the first insulation layer is adjusted to be substantially the same as the total amount of resin component including the resin in the second insulation layer and resin in the resin 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:
There is provided a diversity receiving apparatus, comprising: a first branch (5) for decoding a frequency multiplexing signal in which a carrier group has been multiplexed, thereby outputting a first data carrier and a first pilot carrier; a second branch (6) for decoding a frequency multiplexing signal in which a carrier group has been multiplexed, thereby outputting a second data carrier and a second pilot carrier; a timing adjusting unit (7) for synchronizing processing timing for a carrier group decoded by the first branch (5) and a carrier group decoded by the second branch (6); a combining/selecting unit (8) for combining/selecting the first data carrier and/or the second data carrier; and a control unit (10) for controlling stopping and starting operation of at least one of the first branch (5) and the second branch (6) according to at least one of a receiving status of the first branch (5) and a receiving status of second branch (6).
摘要:
There is provided a diversity receiving apparatus (1) that comprises: a receiving unit (4) for receiving a frequency-division multiplexing signal on which a carrier group is multiplexed; a first demodulating unit (5) for outputting a first data carrier and a first transmission control carrier; a second demodulating unit (6) for outputting a second data carrier and a second transmission control carrier; a timing adjusting unit (7) for synchronizing processing timing of the first demodulating unit (5) and the second demodulating unit (6); a first combining/selecting unit (60) for combining or selecting a first transmission control carrier and a second transmission control carrier; a second combining/selecting unit (8) for combining or selecting a first data carrier and a second data carrier; a decoding unit (13) for decoding a transmission control signal using the transmission control carrier selected by the first combining/selecting unit (60); and a detecting unit (14) for detecting frame synchronization.
摘要:
A wiring board with a built-in electronic component includes a core substrate having a penetrating hole formed in the core substrate, an electronic component accommodated in the penetrating hole in the core substrate, a conductive pattern layer formed on a first surface of the core substrate and including a first conductive pattern and a second conductive pattern, and an interlayer insulation layer formed over the conductive pattern layer and the first surface of the core substrate. The second conductive pattern is formed adjacent to a periphery of the penetrating hole and contoured such that a sheet for positioning the electronic component in the penetrating hole is laminated horizontally with respect to the first surface of the core substrate over the penetrating hole.
摘要:
A wiring board including a substrate having a cavity, an electronic component accommodated in the cavity of the substrate, a first conductive pattern formed on a surface of the substrate and having a frame shape surrounding the opening of the cavity, a second conductive pattern formed on the surface of the substrate and outside the frame shape of the first conductive pattern, and an insulation layer formed on the surface of the substrate and covering the first conductive pattern, the second conductive pattern and the opening of the cavity. The first conductive pattern has a slit extending from the outside of the frame shape to the inside of the frame shape.
摘要:
There is provided a diversity receiving apparatus (1) that comprises: a receiving unit (4) for receiving a frequency-division multiplexing signal on which a carrier group is multiplexed; a first demodulating unit (5) for outputting a first data carrier and a first transmission control carrier; a second demodulating unit (6) for outputting a second data carrier and a second transmission control carrier; a timing adjusting unit (7) for synchronizing processing timing of the first demodulating unit (5) and the second demodulating unit (6); a first combining/selecting unit (60) for combining or selecting a first transmission control carrier and a second transmission control carrier; a second combining/selecting unit (8) for combining or selecting a first data carrier and a second data carrier; a decoding unit (13) for decoding a transmission control signal using the transmission control carrier selected by the first combining/selecting unit (60); and a detecting unit (14) for detecting frame synchronization.
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:
The coating composition which coats the biologically active substance includes at least one protective material selected from the group consisting of a hardened animal fat, a hardened vegetable oil, a linear or branched, saturated or unsaturated aliphatic monocarboxylic acid having 12 to 22 carbon atoms, a fatty acid ester, and a wax group; lecithin; and at least one preservative selected from a propionic acid or its salt, a sorbic acid or its salt, a benzoic acid or its salt, a dehydroacetic acid or its salt, parahydroxybenzoic acid esters, an imazalil, a thiabendazole, an orthophenyl phenol, an orthophenyl phenol natrium, and a diphenyl.