Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package – With large area flexible electrodes in press contact with...
Patent
1997-08-07
1999-03-23
Williams, Alexander Oscar
Active solid-state devices (e.g., transistors, solid-state diode
Housing or package
With large area flexible electrodes in press contact with...
257689, 257658, 257712, H02K 1936, H01L 2336, H01L 2328, H01L 2332
Patent
active
058864032
ABSTRACT:
A sealed rectifier used in a vehicle alternator is composed of a semiconductor diode chip, a base electrode having a disk plate which has a central mount for supporting the chip and an annular wall extending higher than the central mount, a pole electrode having a flange connected to the other side of the chip and an insulating member covering the chip, base electrode and pole electrode. The thickness of the annular wall is smaller than the thickness of the central mount, the outer periphery of the disk plate has a serrated surface for mechanical connection with an cooling fin of the alternator, and the insulating member is composed of resinous material and inorganic filler material to provide residual internal pressure higher than the atmospheric pressure.
REFERENCES:
patent: 4303935 (1981-12-01), Ragaly
patent: 4328512 (1982-05-01), Hayke et al.
patent: 5005069 (1991-04-01), Wasmer et al.
patent: 5206793 (1993-04-01), Boudrant et al.
patent: 5278446 (1994-01-01), Nagaraj et al.
Irie Hitoshi
Ishikawa Hiroaki
Yoshinaga Soichi
Denso Corporation
Williams Alexander Oscar
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