Patent ID: 8885344
Filing Date: 2014-11-11
Classification: H01L,H05K

Abstract:
1. A semiconductor device comprising: a semiconductor module having a module terminal; a cooling unit configured to cool the semiconductor module; a terminal board configured to be electrically connected to the module terminal, the semiconductor module and the cooling unit being laminated on the terminal board; a spring member disposed on the semiconductor module and the cooling unit, the spring member being configured to press the semiconductor module and the cooling unit against the terminal board in a stacked direction of the semiconductor module and the cooling unit; and a spring support tool disposed on the spring member in order to support the spring member, the spring support tool applying, to the spring member, an urging force for pressing the semiconductor module and the cooling unit against the terminal board, wherein: the terminal board includes a mounting surface and a first fixing portion protruding from the mounting surface of the terminal board along the stacked direction of the semiconductor module of the cooling unit, the module terminal extending from the semiconductor module in a direction perpendicular to the stacked direction, the semiconductor module further comprises a screw fixing the module terminal to the first fixing portion by being inserted into the first fixing portion along the stacked direction, the cooling unit is disposed on the mounting surface of the terminal board, and the semiconductor module is disposed on the cooling unit.