GaAs semiconductor device

Details GaAs semiconductor device GaAs semiconductor device

1981-08-24

1985-03-19

Edlow, Martin H.

357 42, 357 22, 357 41, H01J 2702

Patent

active

045062811

ABSTRACT:
This invention relates to a GaAs semiconductor device and more particularly to a GaAs static induction transistor integrated circuit which operates at a very high speed. Gallium arsenide has the features that the mobility of electrons is higher than that in silicon and that the band structure has a direct gap. The mobility of electrons in gallium arsenide is several times as high as that in silicon; this is very suitable for the manufacture of a semiconductor device of high-speed operation. Further, since gallium arsenide has the direct gap, the electron-hole recombination rate is high and the minority carrier storage effect is extremely small. By causing the recombination at the direct gap, light emission can be achieved more efficiently. Accordingly, a light receiving and emitting semiconductor device can be obtained through the use of gallium arsenide. As the propagation velocity of light is very fast, signal transfer between semiconductor chips can be achieved at ultra-high speed. By combining this with the high mobility of electrons in gallium arsenide, an ultra-high speed logical operation device can be realized.

REFERENCES:
patent: 4320410 (1982-03-01), Nishizawa et al.
patent: 4338618 (1982-07-01), Nishizawa
patent: 4434433 (1984-02-01), Nishizawa

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