Patent ID: 7236373

Claim:
An electronic device comprising: an electronic component; a metal substrate having a recess which is large enough to fully receive the electronic component and which is defined by a metal outer frame and a metal bottom plate; and a wiring board having a surface area larger than the area of the opening of the recess and having a wiring pattern formed on the top surface thereof, at least a portion of the surface of the wiring board being fixed to the bottom surface of the metal substrate, and the electronic component being mechanically fixed to the bottom of the recess while being electrically connected to the wiring pattern, wherein the metal substrate comprises a window that is opened from the bottom of the recess through to the bottom surface thereof, wherein the wiring board is fixed to the bottom surface of the metal substrate so that a portion of the wiring pattern is exposed in the recess through the window, and wherein the electronic component is electrically connected to the wiring pattern exposed in the recess through the window using a bonding wire.