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Component built-in module and method for producing the same

  • US 6,734,542 B2
  • Filed: 12/27/2001
  • Issued: 05/11/2004
  • Est. Priority Date: 12/27/2000
  • Status: Expired due to Term
First Claim
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1. 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.

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