1973-12-03
1976-03-09
Larkins, William D.
357 54, 357 55, 357 56, H01L 29743, H01L 2906
Patent
active
039435474
ABSTRACT:
A semiconductor device comprising a semiconductor substrate including at least three layers of alternating conductivity between a pair of principal surfaces, the side surface of said semiconductor substrate being formed in pulley-shape and the depth of the valley of the pulley-shape being selected from the most appropriate numerical range related with the dielectric constant of the surrounding medium and the thickness of the semiconductor substrate.
REFERENCES:
patent: 3437886 (1969-04-01), Edquist et al.
patent: 3491272 (1970-01-01), Huth et al.
patent: 3611554 (1971-10-01), Garrett
patent: 3648340 (1972-03-01), MacIver
Kamei Tatsuya
Nagano Takahiro
Ogawa Takuzo
Hitachi , Ltd.
Larkins William D.
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