Fishing – trapping – and vermin destroying
Patent
1993-09-24
1994-09-13
Thomas, Tom
Fishing, trapping, and vermin destroying
437211, 437215, 437217, 437220, H01L 2160
Patent
active
053468597
ABSTRACT:
Coned disc springs (84, 86) lie between a gate extracting electrode (80G) held in a ringlike recess (63) of an external cathode electrode (60K) and a bottom surface of the ringlike recess (63). A semiconductor body (30) is pressed against an anode distortion buffering plate (50A) by a urging force of the coned disc springs (84, 86) for vertical positional fixation of the semiconductor body (30). This enables the semiconductor body to be prevented from damages and deformation in a full press-pack type semiconductor device.
REFERENCES:
patent: 3581160 (1971-05-01), Piccone
patent: 4694322 (1987-04-01), Sakurai et al.
patent: 4719500 (1988-01-01), Tokunoh
patent: 5121189 (1992-06-01), Niwayama
Mitsubishi Denki & Kabushiki Kaisha
Picardat Kevin M.
Thomas Tom
LandOfFree
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