摘要:
According to an embodiment, an electronic device includes a housing, metal patches, and a first metal member. The housing includes a bottom, a lid, and a side unit. The side unit is disposed to enclose a space between the bottom and the lid. A circuit substrate is disposed on a bottom surface of the bottom. The side unit is conductive and connected to a ground potential. The metal patches are disposed on a lid surface of the lid. The metal patches are arranged periodically in a first direction and a second direction. The second direction intersects the first direction. The metal patches are connected to the ground potential. The first metal member is disposed on the lid surface. The first metal member is connected to the ground potential. The first metal member includes a first portion. The first portion contacts a first surface of the side unit.
摘要:
A reconfigured wafer of resin-encapsulated semiconductor packages is obtained by supporting with a resin, thereafter, a grinding process is performed on top and backside surfaces to expose only a bump interconnection electrode on a surface of a semiconductor chip. Further, a chip-scale package is obtained by a dicing process along a periphery of the chip.
摘要:
According to one embodiment, a semiconductor device includes an insulative resin, an interconnect, a plurality of semiconductor elements, and a first metal member. The insulative resin includes a first region and a second region. The interconnect is arranged with the first region in a first direction. The first direction intersects a direction from the first region toward the second region. The plurality of semiconductor elements is provided between the first region and the interconnect. At least one of the plurality of semiconductor elements is electrically connected to the interconnect. The first metal member includes a first through-portion and a first end portion. The first through-portion pierces the second region in the first direction. The first end portion is connected to the first through-portion. A width of the first end portion is wider than a width of the first through-portion in a second direction intersecting the first direction.
摘要:
A wiring board of an embodiment includes a through via, a first insulating film disposed around the through via, a second insulating film disposed around the first insulating film, a third insulating film disposed around the second insulating film and a resin disposed around the third insulating film. The resin includes fillers. The second insulating film has a relative permittivity lower than a relative permittivity of the first insulating film. The third insulating film has a relative permittivity higher than a relative permittivity of the second insulating film.
摘要:
According to one embodiment, a semiconductor device includes a first conductive portion, a second conductive portion, a first layer, and a second layer. The first conductive portion includes a first end portion and a first extending portion. The first extending portion extends in a first direction. The length of the first extending portion in a second direction is shorter than a length of at least a part of the first end portion in the second direction. The first layer includes multiple semiconductor chips, multiple passive chip components, and a resin. The first extending portion includes a first portion and a second portion. The first layer is provided around the first portion. The first layer expands along a first plane. The first plane intersects the first direction. The second layer includes a first multilayer wiring. The second layer expands along a second plane intersecting the first direction.
摘要:
A semiconductor device according to an embodiment includes a first semiconductor unit including a plurality of first semiconductor chips, an organic resin provided between the first semiconductor chips, a wiring layer provided above the first semiconductor chips to electrically connect the first semiconductor chips to each other, and a plurality of connecting terminals provided on an upper portion of the wiring layer and a second semiconductor unit fixed to a wiring layer side of the first semiconductor unit, the second semiconductor unit fixed to a region sandwiched between the connecting terminals, the second semiconductor unit having a second semiconductor chip, the second semiconductor unit electrically connected to the first semiconductor unit.
摘要:
An antenna device of the present embodiment includes: a first conductive layer connected to a ground potential, a semiconductor device provided above the first conductive layer, a second conductive layer provided above the semiconductor device, a first via connecting the second conductive layer and the first conductive layer, a third conductive layer provided above the second conductive layer, a second via passing through the first opening, and an antenna provided above the third conductive layer. A dielectric is provided between the second conductive layer and the semiconductor device, between the third conductive layer and the second conductive layer, and between the antenna and the third conductive layer. The second conductive layer includes a first opening. The second via connects the third conductive layer and the first conductive layer.
摘要:
An EBG structure of an embodiment includes an electrode plane, a first insulating layer provided on the electrode plane, a first metal patch provided on the first insulating layer, a second metal patch provided on the first insulating layer, a second insulating layer provided on the first and second metal patches, an interconnect layer provided on the second insulating layer, a third insulating layer provided on the interconnect layer, a first via connected to the electrode plane and the first metal patch, and a second via connected to the electrode plane and the second metal patch. The second metal patch is separately adjacent to the first metal patch. The interconnect layer has a first opening and a second opening. The first via penetrates through the first opening. The second via penetrates through the second opening.