| 摘要 |
A semiconductor module includes: a metal block; an insulation layer for heat radiation formed by directly depositing a ceramic material on at least a first surface of the metal block; an insulation layer for a relay electrode formed by directly depositing a ceramic material on a part of a second surface 1b of the metal block; a relay electrode formed by depositing a metal material on the upper surface of the insulation layer for the relay electrode; a circuit element bonded with the second surface of the metal block by solder; and an external lead terminal, wherein a bonding wire or a lead frame from the circuit element is bonded with the relay electrode, and the relay electrode and the external lead terminal are connected. |
