Patent ID: 8035202

Claim:
An electronic device, comprising: a wiring substrate including an insulating resin layer that has a first major surface and a second major surface opposite to the first major surface and a first wiring layer that are disposed on said insulating resin layer on the second major surface side; a second wiring layer formed on the first major surface of said insulating resin layer; and a chip part including a projection electrode on a bottom surface and mounted on said wiring substrate, wherein said insulating resin layer holds said chip part such that a bottom and at least a part of side surfaces of said chip part are in contact with said insulating resin layer, and a top surface of said chip part is exposed on said insulating resin layer on the first major surface side, and wherein the projection electrode of the chip part is covered with said insulating resin layer and is connected with said first wiring layer, and wherein said chip part protrudes from the first major surface of said insulation resin layer.