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:
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:
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 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 α from a top of the circuit pattern, wherein T≦t″+α 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 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.