Bidirectional switch circuit and power conversion device

A bidirectional switch circuit, comprising:

• a first pattern;
• a second pattern;
• a first semiconductor device including a first gate electrode, a first backside electrode, and a first upper surface electrode provided on an opposite side to the first backside electrode, in which the first backside electrode is provided on the first pattern and is electrically connected to the first pattern;
• a second semiconductor device including a second gate electrode, a second backside electrode, and a second upper surface electrode provided on an opposite side to the second backside electrode, in which the second backside electrode is provided on the second pattern and is electrically connected to the second pattern;
• a first diode including a first cathode electrode, and a first anode electrode provided on an opposite side to the first cathode electrode, in which the first cathode electrode is provided on the first pattern and is electrically connected to the first pattern;
• a second diode including a second cathode electrode, and a second anode electrode provided on an opposite side to the second cathode electrode, in which the second cathode electrode is provided on the second pattern and is electrically connected to the second pattern;
• a first wiring arrangement including a plurality of first wirings electrically connecting the first upper surface electrode and the second anode electrode;
• and
• a second wiring arrangement including a plurality of second wirings electrically connecting the second upper surface electrode and the first anode electrode,
• wherein the first upper surface electrode, the second upper surface electrode, the first anode electrode and the second anode electrode are electrically connected to each other.