Patent ID: 11967537
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H  G | IPC H

Claim 0:
1. A semiconductor apparatus comprising:
a substrate;
a semiconductor device provided on the substrate;
a leak detection device provided on the substrate;
an outer wall that is provided on the substrate and surrounds the semiconductor device and the leak detection device so as to go around as viewed from a direction perpendicular to the substrate;
a separation wall that is provided on the substrate, the separation wall separating a region surrounded by the outer wall into a region including the semiconductor device and a region including the leak detection device as viewed from the direction perpendicular to the substrate;
a lid that is provided on the outer wall and the separation wall so as to face the substrate, the lid forming, with the substrate, the outer wall, and the separation wall, a first hollow structure of a hermetically sealed state in contact with the semiconductor device and a second hollow structure of a hermetically sealed state in contact with the leak detection device; and
a terminal that is electrically connected to the leak detection device and at least a part of which is exposed to an outside, wherein
at least a part of a portion of the leak detection device that is in contact with the second hollow structure is a leak detection member made of a corrodible metal or an alloy containing a corrodible metal, and the outer wall includes a first outer wall portion that is in contact with the second hollow structure, and a second outer wall portion that is not in contact with the second hollow structure and contacts the first hollow structure.