WIRING BOARD WITH BUILT-IN ELEMENT AND MANUFACTURING METHOD THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide a wiring board with a built-in element which has a chip-like electric element and a film element, shortens connection distances of these elements to improve high frequency property, and is downsized and highly integrated.

SOLUTION: The wiring board with a built-in element comprises: a double-sided wiring board having a pair of a first wiring layer and a second wiring layer which are arranged opposite each other and a first insulation layer arranged between their wiring layers; a third wiring layer provided in way opposite to the first wiring layer of the double-sided wiring board; a second insulation layer provided between the first wiring layer and the third wiring layer; a chip-like electric element provided in the second insulation layer and mounted to the first wiring layer; and a film element electrically connected to the first wiring layer, provided on the first insulation layer or in the first insulation layer in way opposite to the electric element and having a trimming region exposed outward from the electric element.

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