1990-04-30
1991-04-02
Hille, Rolf
357 74, 357 76, 357 79, H01L 2328, H01L 2302, H01L 2312, H01L 2342
Patent
active
050050699
ABSTRACT:
A rectifier (60) is formedf by soldering a diode chip (66) in a cavity (64) in a metal base (62) having a metal sidewall (69), soldering the head (72) of an axial lead (70) to the chip (66), and filling the cavity (64) with an encapsulation (88). An outward leaning partition (80) is provided in the cavity (64) around and at about the same elevation as the chip (66). The encapsulation (88) covers the lead head (72) and the partition (80), and fills the space between the partition (80) and the base sidewall (69). This locks all the parts together, giving improved reliability and lead stiffnes at low cost.
REFERENCES:
patent: 3513362 (1970-05-01), Yamamoto
patent: 3717523 (1973-02-01), Dunsche
patent: 3743896 (1973-07-01), Weiske et al.
patent: 4303935 (1981-12-01), Ragaly
patent: 4314271 (1982-02-01), Heyke et al.
patent: 4498096 (1985-02-01), Addie et al.
patent: 4532539 (1985-07-01), Friszer
Gillespie Peter J.
Le Hiep M.
Lippmann James G.
Wasmer William D.
Handy Robert M.
Hille Rolf
Motorola Inc.
Ostrowski D.
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