摘要:
A method of manufacturing a capacitor-embedded printed circuit board using a first conductive layer formed on one side of an insulation layer, the method including: forming a second conductive layer on one side of the first conductive layer; forming a second electrode by removing a portion of the second conductive layer; forming a first electrode by removing a portion of the first conductive layer in correspondence with the second electrode; and forming a dielectric layer on one side of the second electrode.
摘要:
Disclosed is a printed circuit board, including a base member, an insulating layer formed on each of both surfaces of the base member so that the surfaces of the base member are flattened, a circuit layer formed on the insulating layer, and a via for connecting the circuit layer formed on one surface of the base member with the circuit layer formed on the other surface of the base member. A method of manufacturing the printed circuit board is also provided.
摘要:
Disclosed herein are a common mode filter and a method for manufacturing the same. The common mode filter includes a first insulator sheet; a first circuit layer having a first-layered first coil and a first-layered second coil alternately and separately arranged; a second insulator sheet laminated on the first circuit layer; and a second circuit layer having a second-layered first coil and a second-layered second coil alternately and separately arranged, the second-layered first coil being connected to the first-layered first coil and the second-layered second coil being connected to the first-layered second coil through the plurality of penetration holes.
摘要:
Disclosed herein are a printed circuit board and a method for manufacturing the same. According to a preferred embodiment of the present invention, the printed circuit board includes: a base substrate; circuit patterns formed in a circuit region on the base substrate; dummy patterns formed in a dummy region on the base substrate; and an insulating layer formed above the circuit patterns and the dummy patterns by a slit die coating method.
摘要:
Disclosed herein is a printed circuit board, including: a dielectric substrate having a ground surface; a plurality of pads formed on the dielectric substrate; a transmission line transmitting a signal between the plurality of pads; and slots formed in partial regions of the ground surface correspondingly to the pads, thereby to improve signal transmitting characteristics and allow high-density wiring and thin thickness.
摘要:
There are provided a resistor and a method of fabricating the same. The resistor includes: a substrate; a lower resistant material layer formed on the upper portion of the substrate; an insulating layer to be stacked on the upper portion of the lower resistant material layer; an upper resistant material layer to be stacked on the upper portion of the insulating layer; and two penetration parts vertically penetrating through the insulating layer, wherein the penetration part is filled with a resistant material having the same component as that of the lower resistant material layer and the upper resistant material layer to electrically connect the upper resistant material layer to the lower resistant material layer.
摘要:
Disclosed herein are a wafer level package for heat dissipation and a method of manufacturing the same. The wafer level package includes a heat dissipation plate including a cavity and a hole, a die including a pad disposed in the cavity of the heat dissipation plate in a face-up manner, a thermal conductive adhesive disposed between the die and an inner wall of the cavity and disposed in the hole, and a redistribution layer connected at one end to the pad and at the other end extended. The wafer level package protects the die from external environments and enables the die to be easily flush with the heat dissipation plate.
摘要:
Disclosed herein is a method of manufacturing a block module including: mounting an electronic part on a base substrate on which a ground terminal is formed; forming a lead frame to extend to the outside of the base substrate from the ground terminal; connecting a flexible printed circuit to a circuit layer on the base substrate; forming a mold to surround the base substrate; cutting the lead frame and exposing the cut surface of the lead frame to the outside of the mold; and forming a metal coating layer connected to the lead frame on the mold, whereby the metal coating layer is formed to surround the mold to interrupt the electromagnetic waves and the metal coating layer is connected to the ground terminal by the lead frame to make the process simple.
摘要:
A printed circuit board and a manufacturing method of the printed circuit board are disclosed. The printed circuit board includes: a first insulation layer having a first pattern formed thereon; a first trench caved in one surface of the first insulation layer along at least a portion of the first pattern; and a second insulation layer stacked on one surface of the first insulation layer so as to cover the first pattern. The first trench is filled by the second insulation layer.
摘要:
Disclosed herein is an interposer-embedded printed circuit board, including: a substrate including a cavity formed in one side thereof and having a predetermined height in a thickness direction of the substrate; an interposer disposed in the cavity and including a wiring region and an insulating region; and a circuit layer formed in the substrate and including a connection pattern connected with one side of the wiring region. The interposer-embedded printed circuit board is advantageous in that an interposer is embedded in a substrate, so that the thickness of a semiconductor package can be reduced, thereby keeping up with the trend of slimming the semiconductor package.