Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1989-09-07
1992-02-18
Tolin, Gerald P.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
357 79, 357 81, 357 82, 361388, 361389, 439485, H02B 100
Patent
active
050899368
ABSTRACT:
In a semiconductor module including a wiring substrate having one or a plurality of semiconductor devices electrically connected thereon, a housing constituted of a sealing frame and a ceiling board to enclose the semiconductor devices therein, and a cooling jacket to cool the semiconductor devices. The semiconductor module comprises an elastic arm placed on the cooling jacket for exerting pressure to cause the cooling jacket to be uniformly contacted with the housing ceiling board, and clamping jigs press the cooling jacket and the ceiling board through the elastic arm, so that the clamping jigs may serve to press the respective intermediate positions of the four sides of the cooling jacket through the elastic arm, or screw fasteners may be provided on the elastic arm for controlling the displacements and pressing force.
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Daikoku Takahiro
Hatsuda Toshio
Kobayashi Fumiyuki
Kojima Hiroyuki
Zushi Shizuo
Hitachi , Ltd.
Sparks Donald A.
Tolin Gerald P.
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