Patent ID: 11908822
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. The power semiconductor module according to claim 1, further comprising a heat dissipation member,
wherein
the circuit substrate includes an insulating substrate, a circuit pattern, and a back conductor layer,
the insulating substrate includes a first principal surface opposite to the power semiconductor device and a second principal surface on an opposite side of the first principal surface,
the circuit pattern is provided on the first principal surface,
the back conductor layer is provided on the second principal surface,
the at least one bonding portion includes a second bonding portion, and
the second bonding portion includes the heat dissipation member as the first metal member, the back conductor layer as the second metal member, and a second bonding layer as the bonding layer.