Abstract: A semiconductor package includes: a connection member including a plurality of connection pads and a redistribution layer; a semiconductor chip disposed on the connection member; an encapsulant sealing the semiconductor chip; a passivation layer disposed on the connection member; a plurality of under bump metallurgy (UBM) pads disposed on the passivation layer; and a plurality of UBM vias connecting the plurality of UBM pads to the plurality of connection pads, respectively, wherein the plurality of UBM pads include a first UBM pad overlapped with the semiconductor chip in a stacking direction, and a second UBM pad located outside of the overlapped region, and the first connection pad has an area larger than an area of an associated first UBM pad while the associated first UBM pad is overlapped in the stacking direction, and has an area larger than an area of the second connection pad.

Abstract: A fan-out semiconductor package includes: a first interconnection member having a through-hole; a semiconductor chip disposed in the through-hole and having an active surface and an inactive surface; an encapsulant encapsulating at least portions of the first interconnection member and the inactive surface of the semiconductor chip; and a second interconnection member disposed on the first interconnection member and the active surface of the semiconductor chip, wherein the first interconnection member and the second interconnection member each include a redistribution layer electrically connected to the connection pads, the semiconductor chip includes a passivation layer having openings exposing at least portions of the connection pads, the redistribution layer of the second interconnection member is connected to the connection pad through a via, a metal layer is disposed between the connection pad and the via, and the metal layer covers at least a portion of the connection pad.

Abstract: A printed circuit board includes a first insulating layer including a first circuit pattern, a second insulating layer including a second circuit pattern, and a dummy pattern disposed in the first insulating layer and the second insulating layer, in which the first and second insulating layers are made of different materials. An electronic component module includes a printed circuit board and an electronic component mounted on the printed circuit board.

Abstract: Disclosed herein is a printed circuit board, including: a core layer; and a plurality of circuit layers stacked on the core layer, wherein one of the circuit layers includes a mesh pattern and a solid pattern, and another of the circuit layers include a first signal pattern opposite to the mesh pattern and a second signal pattern opposite to the solid pattern, the second signal pattern having a high-speed signal line with a higher speed, as compared with the second signal pattern.

Abstract: Disclosed herein is a plug via stacked structure including: a through hole plating layer plated on a through hole inner wall and around top and bottom of a through hole at thickness t; a via plug filled in an inner space of the through hole plating layer; a circuit pattern formed over the top and bottom of the through hole plating layer and the via plug and making a thickness t? formed on the through hole plating layer thicker than a thickness t; and a stacked conductive via filled in a via hole formed on the top of the through hole and formed at thickness ? from a top of the circuit pattern, wherein T?t?+? is satisfied, T represents a sum of the thicknesses t and t? and t? is a thickness of a portion of the circuit pattern formed on the via plug.

Abstract: Disclosed herein are an asymmetrical multilayer substrate, an RF module, and a method for manufacturing the asymmetrical multilayer substrate. The asymmetrical multilayer substrate includes a core layer, a first pattern layer formed on one side of the core layer and including a first signal line pattern, a second pattern layer formed on the other side and including a second metal plate and a second routing line pattern, a first insulating layer thinner than the core layer formed on the second pattern layer and including a first via, and a third pattern layer formed on the first insulating layer and including a third signal line pattern, wherein an impedance transformation circuit including an impedance load and a parasitic capacitance load on the transmission line is formed for impedance matching in signal transmission between the signal line patterns formed in the upper and lower side directions of the core layer.

Abstract: Disclosed herein is a circuit board including: a base substrate including a via for power and a via pad for power connected to the via for power; and an insulating layer formed on the base substrate and including a dummy pattern formed in a region facing the via pad for power.

Abstract: Disclosed herein is a semiconductor package including: a semiconductor chip having a bonding pad; and a first substrate including a rerouting layer having short type rerouting patterns electrically connected with the bonding pad and formed to be seamlessly connected with each other and a plurality of open type rerouting patterns separately formed on the same layer as the short type rerouting patterns and connection terminals for signal connection each formed on the open type rerouting patterns.

Abstract: Disclosed herein is an interposer substrate, including: a core layer and a through core via (TCV) penetrating through the core layer; circuit wirings formed on both surfaces of the core layer and a TCV upper pad and a TCV lower pad which are each bonded to upper and lower surfaces of the TCV formed on both surfaces of the core layer; upper insulating layers covering the TCV upper pad and the circuit wiring formed on one surface of the core layer and having the circuit wirings formed on upper surfaces thereof; a stack via penetrating through the upper insulating layers of each layer and having one end connected to the TCV upper pad; and a lower insulating layer covering the TCV lower pad and the circuit wiring formed on the other surface of the core layer and provided with an opening which exposes the TCV lower pad.

Abstract: Disclosed herein is a printed circuit board. According to a preferred embodiment of the present invention, the printed circuit board, includes: a base board; an upper build-up layer which is formed on the base board and includes an upper insulating layer and an upper circuit layer having at least one layer; and a lower build-up layer which is formed beneath the base board, has a different thickness from the upper build-up layer, and includes a lower insulating layer and a lower circuit layer having at least one layer.

Abstract: 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.

Abstract: Disclosed herein is a semiconductor substrate having a crack preventing structure, the semiconductor substrate including: a plurality of wiring layers and a plurality of insulating layers sequentially stacked on a device divided into integrated circuit device areas and a cutting area separating the device areas from each other; opening parts formed to spatially separate the insulating layers in the device areas and the insulating layers in the cutting area from each other; and chamfering parts formed at outer sides of the insulating layers in the device areas contacting the opening parts, wherein the plurality of wiring layers are formed between the insulating layers in the cutting area and the device.

Abstract: Disclosed herein is a plug via stacked structure including: a through hole plating layer plated on a through hole inner wall and around top and bottom of a through hole at thickness t; a via plug filled in an inner space of the through hole plating layer; a circuit pattern formed over the top and bottom of the through hole plating layer and the via plug and making a thickness t? formed on the through hole plating layer thicker than a thickness t; and a stacked conductive via filled in a via hole formed on the top of the through hole and formed at thickness ? from a top of the circuit pattern, wherein T?t?+? is satisfied, T represents a sum of the thicknesses t and t? and t? is a thickness of a portion of the circuit pattern formed on the via plug.

Abstract: Disclosed herein is a semiconductor package module. The semiconductor package module includes a circuit substrate having an external connection pattern; electronic components mounted on the circuit substrate; a molding structure having a structure surrounding the circuit substrate so as to seal the electronic components from the external environment; and an external connection structure of which one portion is connected to the external connection pattern and the other portion is exposed to the outside of the molding structure.

Abstract: There is provided an interconnection structure. An interconnection structure according to an aspect of the invention may include: a plurality of side portions provided on one surface of a substrate part and a plurality of cavities located between the side portions and located further inward than the side portions; and electrode pattern portions provided on surfaces of the side portions and the cavities.

Abstract: Disclosed herein is a circuit board including: an insulating material; a build-up layer formed on one surface of the insulating material, and including at least one circuit layer and at least one insulating layer; and a metal layer formed on the other surface of the insulating material and electrically disconnected from the circuit layer.

Abstract: Disclosed herein is a semiconductor package including: a semiconductor chip having a bonding pad; and a first substrate including a rerouting layer having short type rerouting patterns electrically connected with the bonding pad and formed to be seamlessly connected with each other and a plurality of open type rerouting patterns separately formed on the same layer as the short type rerouting patterns and connection terminals for signal connection each formed on the open type rerouting patterns.

Abstract: Disclosed herein are a package substrate and a method for manufacturing the same. According to an exemplary embodiment, there is provided a package substrate with a mesh pattern, including: a plurality of bonding pads forming sections connected with the outside; an insulating layer formed below the plurality of bonding pads; and a metallic layer placed below the insulating layer and having the mesh pattern in at least a partial area thereof and capacitance is provided by a combination of the mesh pattern and the insulating layer that infiltrates into a space for the mesh pattern. Further, there is provided a method for manufacturing the package substrate with the mesh pattern.

Abstract: 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.

Abstract: Disclosed herein is a semiconductor package module. The semiconductor package module includes a circuit substrate having an external connection pattern; electronic components mounted on the circuit substrate; a molding structure having a structure surrounding the circuit substrate so as to seal the electronic components from the external environment; and an external connection structure of which one portion is connected to the external connection pattern and the other portion is exposed to the outside of the molding structure.