Ultra-high-speed photoconductive devices using semi-insulating l

Active solid-state devices (e.g. – transistors – solid-state diode – Responsive to non-electrical signal – Electromagnetic or particle radiation

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257432, 257439, 257664, 257775, 257459, 257536, 257537, 257184, 338 15, H01L 2714, H01L 3100, H01L 23485

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053329180

ABSTRACT:
An ultra-high-speed photoconductive device is described which comprises a homoepitaxial semi-insulating III-V layer, or body, upon which ohmic/conductive contacts, or strips, separated by a small gap, are formed. The semi-insulating body, or layer, is produced by low temperature growth of III-V compounds by MBE. In a GaAs embodiment, the layer is grown under arsenic stable growth conditions, at a substrate temperature preferably in the range of 150.degree. to about 300.degree. C.

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