Patent ID: 6734542
Filing Date: 2004-05-11
Classification: H01L,H05K,Y10S,Y10T

Abstract:
A component built-in module comprising:a core layer formed of an electric insulating material; an electric insulating layer formed on at least one surface of the core layer; and a wiring pattern formed on a surface of the electric insulating layer; wherein: the core layer and the electric insulating layer are formed of different electric insulating materials; the electric insulating material of the core layer is formed of a mixture comprising at least an inorganic filler and a thermosetting resin; at least one selected from the group consisting of active components and passive components is contained in an internal portion of the core layer; the core layer has a wiring pattern and an inner via; the wiring pattern of the core layer is electrically connected to the wiring pattern formed on the electric insulating layer; and the electric insulating material formed of the mixture comprising at least an inorganic filler and a thermosetting resin of the core layer has a modulus of elasticity at room temperature in the range from 0.6 GPa to 10 GPa.