IP Library Granted Patent US 9,553,037
Granted Patent B2
US 9,553,037 · App. 14/909,772 · Granted Jan 24, 2017

Semiconductor device

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Quick Facts
Patent No.
US 9,553,037
App. No.
14/909,772
Granted
Jan 24, 2017
Kind
B2
Abstract

A semiconductor device includes a semiconductor element having a front surface and a rear surface, a pair of heat sinks disposed facing each other so as to sandwich the semiconductor element, and attached respectively to the front surface and the rear surface, and a fastening screw fastening the pair of the heat sinks in the facing direction, the fastening screw having insulation property. Threads are arranged on at least a part of the fastening screw in an axis direction of the fastening screw between the pair of the heat sinks.

Claims (7)

1. A semiconductor device comprising:

a semiconductor element having a front surface and a rear surface;

a pair of heat sinks disposed facing each other so as to sandwich the semiconductor element, and attached respectively to the front surface and the rear surface; and

a fastening screw fastening the pair of the heat sinks in the facing direction, the fastening screw having insulation property;

wherein

threads are arranged on at least a part of the fastening screw in an axis direction of the fastening screw between the pair of the heat sinks, and

sealing resin is filled between the pair of the heat sinks, the sealing resin being in close contact with the threads of the fastening screw.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 1, 2020
From: TOYOTA JIDOSHA KABUSHIKI KAISHA
To: DENSO CORPORATION
Reel/Frame 052285/0419 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 3, 2016
From: ASAI, RINTARO
To: TOYOTA JIDOSHA KABUSHIKI KAISHA
Reel/Frame 037652/0603 →