Varactor with electrostatic barrier

Details Varactor with electrostatic barrier Varactor with electrostatic barrier

1995-11-09

1998-08-04

Ngo, Ngan V.

Active solid-state devices (e.g., transistors, solid-state diode

Voltage variable capacitance device

With specified dopant profile

257596, 257598, H01L 2993

Patent

active

057898014

ABSTRACT:
A varactor comprising a substrate of semiconductor material on which is grown both an electrostatic barrier having a first layer of material doped with donor impurities and a second layer of material doped with acceptor impurities and a depletable layer. In other embodiments of the present invention varactors are provided that include a plurality of barrier and depletable layer pairs grown in a serial arrangement.

REFERENCES:
patent: 4987459 (1991-01-01), Kasahara
patent: 5336923 (1994-08-01), Geddes et al.
patent: 5506442 (1996-04-01), Takemura

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