Patent ID: 7470977

Claim:
A module board device comprising: a first organic substrate in which a conductive pattern or patterns is or are formed on the principal surface thereof, and one element body or more is or are mounted; and a second organic substrate in which a recessed portion is formed in correspondence with the area where the element body or bodies is or are formed at a connecting surface to the first organic substrate, whereby, in the state where the second organic substrate is connected to the first organic substrate, an element body accommodating space portion which seals the element body or bodies is constituted by the recessed portion, and the element body accommodating space portion is constituted in such a manner that moisture resistance characteristic and oxidation resistance characteristic are maintained, and wherein a shield layer having moisture resistance characteristic and oxidation resistance characteristic is formed at the element mounting area of the first organic substrate and the recessed portion of the second organic substrate which constitute the element body accommodating space portion, the shield layer being formed in a recess of a layer having contacts formed therein.