Abstract: A semiconductor device includes at least first and second semiconductor chips stacked on each other along a first direction, at least one through-silicon-via (TSV) through at least the first semiconductor chip of the first and second semiconductor chips, a contact pad on the at least one TSV of the first semiconductor chip, the contact pad electrically connecting the TSV of the first semiconductor chip to the second semiconductor chip, and a plurality of dummy pads on the first semiconductor chip, the plurality of dummy pads being spaced apart from each other and from the contact pad along a second direction, and the dummy pads having same heights as the contact pads as measured between respective top and bottom surfaces along the first direction.

Abstract: A circuit board comprises a first heat transfer structure including graphite or graphene, wherein at least a portion of the first heat transfer structure is disposed inside an insulating member and a primer layer is disposed on a surface of the first heat transfer structure. The first heat transfer structure may comprise a plurality of monomers, the monomers including a primer layer disposed on at least one surface of at least one layer of graphite or graphene.

Abstract: A circuit board and an assembly including the circuit board are provided. The circuit board includes a first insulation layer, a first conductive pattern disposed on the first insulation layer, an insulation film disposed on the first conductive pattern, and a second conductive pattern disposed on the insulation film. The insulation film includes an insulation thin film contacting the first conductive pattern, and a function film disposed on the insulation thin film and contacting the second conductive pattern.

Abstract: There are provided an inductor and a method of manufacturing the same. The inductor includes: a body including a coil part; and cover parts disposed on upper and lower surfaces of the body. The coil part includes a plurality of through-vias penetrating through the upper and lower surfaces of the body and connection patterns disposed on the upper and lower surfaces of the body, disposed in the cover parts, and connecting the plurality of through-vias to each other.

Abstract: Embodiments disclosed are directed to a multilayer electronic component and a method of manufacturing the same. The multilayer electronic component may includ a multilayer body having a plurality of insulating layers and internal coil parts disposed on the insulating layers. The plurality of insulating layers and internal coil parts are stacked. The multilayer electronic component may also include and external electrodes disposed on external surfaces of the multilayer body and connected to the internal coil parts. The internal coil parts include a first metal and a second metal having electrical conductivity higher than that of a first metal is disposed on the internal coil parts and surrounds the internal coil parts.

Abstract: An apparatus for measuring impedance for fuel cell diagnosis may include: a current measurement unit configured to measure a current flowing to a load from a fuel cell stack; a voltage measurement unit configured to measure a voltage of the fuel cell stack; and a calculation unit configured to monitor a variation of the current measured through the current measurement unit, perform a frequency analysis operation at each sampling while sampling the current and voltage of the fuel cell stack, and calculate impedance based on the analyzed voltage and current of the fuel cell stack.

Abstract: A coil component includes a body portion, a coil portion, and an electrode portion. The body portion includes a magnetic material, the coil portion is disposed in the body portion, and the electrode portion is disposed on the body portion and electrically connected to the coil portion. The coil portion includes a first coil layer in which a plurality of conductors having a planar spiral shape are stacked, a second coil layer in which a plurality of conductors having a planar spiral shape are stacked, and a first bump disposed between the first and second coil layers to electrically connect the first and second coil layers to each other. The first coil layer and the second coil layer are electrically connected to each other through the first bump to form a single coil having coil turns adjacent to each other in horizontal and vertical directions.

Abstract: Disclosed are a circuit board and a method of manufacturing the same. The circuit board includes an insulating part, a heat-transfer body disposed in the insulating part, the heat-transfer body including a thermally conductive material formed in a column shape, and a function hole penetrating the heat-transfer body between a top surface and a bottom surface of the heat-transfer body.

Abstract: A coil component includes a body portion, a coil portion, and an electrode portion. The body portion includes a magnetic material, the coil portion is disposed in the body portion, and the electrode portion is disposed on the body portion and electrically connected to the coil portion. The coil portion includes a first coil layer in which a plurality of conductors having a planar spiral shape are stacked, a second coil layer in which a plurality of conductors having a planar spiral shape are stacked, and a first bump disposed between the first and second coil layers to electrically connect the first and second coil layers to each other. The first coil layer and the second coil layer are electrically connected to each other through the first bump to form a single coil having coil turns adjacent to each other in horizontal and vertical directions.

Abstract: A semiconductor device includes at least first and second semiconductor chips stacked on each other along a first direction, at least one through-silicon-via (TSV) through at least the first semiconductor chip of the first and second semiconductor chips, a contact pad on the at least one TSV of the first semiconductor chip, the contact pad electrically connecting the TSV of the first semiconductor chip to the second semiconductor chip, and a plurality of dummy pads on the first semiconductor chip, the plurality of dummy pads being spaced apart from each other and from the contact pad along a second direction, and the dummy pads having same heights as the contact pads as measured between respective top and bottom surfaces along the first direction.

Abstract: A circuit board is disclosed. In addition to insulating layers, the circuit board includes a structure for heat transfer that includes a first layer that is formed of graphite or graphene, a second layer that is formed of metallic material and disposed on one surface of the first layer, and a third layer that is formed of metallic material and disposed on the other surface of the first layer, and at least a portion of the structure for heat transfer is inserted into an insulation layer. Such a circuit board provides improved heat management. Also disclosed is a method of manufacturing the circuit board.

Abstract: A semiconductor package includes a plurality of semiconductor chips on a substrate. The semiconductor chips include a first semiconductor chip, a second semiconductor chip, and a third semiconductor chip that are sequentially stacked on the substrate. The semiconductor package further includes a plurality of non-conductive layers between the substrate and the first semiconductor chip and between adjacent semiconductor chips among the semiconductor chips. The semiconductor chips include smaller widths as a distance from the substrate increases. Each of the non-conductive layers includes an extension protruding outward from a side surface of an overlying one of the semiconductor chips.

Abstract: A semiconductor package includes a package substrate, a plurality of semiconductor devices stacked on the package substrate, a plurality of underfill fillets disposed between the plurality of semiconductor devices and between the package substrate and the plurality of semiconductor devices, and a molding resin at least partially surrounding the plurality of semiconductor devices and the plurality of underfill fillets. The plurality of underfill fillets include a plurality of protrusions that protrude from spaces between each of the plurality of semiconductor devices or between the package substrate and each of the plurality of semiconductor devices. At least two neighboring underfill fillet protrusions of the plurality of protrusions form one continuous structure without an interface therebetween.

Abstract: A semiconductor device includes at least first and second semiconductor chips stacked on each other along a first direction, at least one silicon-through-via (TSV) through at least the first semiconductor chip of the first and second semiconductor chips, a contact pad on the at least one TSV of the first semiconductor chip, the contact pad electrically connecting the TSV of the first semiconductor chip to the second semiconductor chip, and a plurality of dummy pads on the first semiconductor chip, the plurality of dummy pads being spaced apart from each other and from the contact pad along a second direction, and the dummy pads having same heights as the contact pads as measured between respective top and bottom surfaces along the first direction.

Abstract: Disclosed herein is a circuit board. According to an exemplary embodiment of the present disclosure, a circuit board has a structure in which at least a portion of a first heat transfer structure in which a metal layer and an insulating layer are alternately stacked is inserted into an insulating part.

Abstract: There is provided a semiconductor device, enhanced with process capability and reliability by way of flow control of an adhesive material to fix semiconductor chips. The semiconductor device includes a first semiconductor chip including a first surface and a second surface opposite to each other, a flow regulating structure formed at the first surface of the first semiconductor chip, and a second semiconductor chip mounted on the first surface of the first semiconductor chip. The second semiconductor chip overlaps at least a portion of the flow regulating structure.

Abstract: A circuit board includes a first thermally conductive structure comprising a cavity or a recess portion. At least a portion of the first thermally conductive structure is inserted into an insulating part. An electronic device comprising a portion thereof inserted in the cavity or the recess portion.

Abstract: A printed circuit board and a method of manufacturing the same are provided. The printed circuit board may include a core layer, a metal layer disposed on the core layer, and a heat dissipation unit disposed to pass through the core layer in across a thickness of the core layer.

Abstract: A printed circuit board and a method for manufacturing the same are provided. A printed circuit board according to an example includes a core formed by laminating dielectric substance layers; a capacitor including an internal electrode layer formed between the dielectric substance layers which are adjacent with each other and a connection via alternately connecting the internal electrode layers which are adjacent with each other to provide an electric charge having a different polarity to the internal electrode layers which are adjacent with each other and formed on the core; and a through via passing through the core.

Abstract: Provided are semiconductor devices and methods of manufacturing the same. The semiconductor package includes a substrate, a first semiconductor chip mounted on the circuit substrate and having a first width, a second semiconductor chip overlying the first semiconductor chip and having a second width greater than the first width, and a first under filler disposed between the first and second semiconductor chips, covering a side surface of the first semiconductor chip and having an inclined side surface.