Process for making high dielectric constant nitride based materi

Details Process for making high dielectric constant nitride based materi Process for making high dielectric constant nitride based materi

1983-08-29

1984-08-07

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361322, 427 79, H01G 410, H01G 406

Patent

active

044647018

ABSTRACT:
An improved method of fabricating a stable high dielectric constant and low leakage dielectric material which includes oxidizing at a temperature of about 600.degree. C. or higher a layer of a mixture of a transition metal nitride and silicon nitride to produce a mixture which includes an oxide of the transition metal and silicon nitride. The initial mixture of transition metal nitride and silicon nitride may be deposited by reactive sputtering techniques or other known deposition techniques on, a semiconductor or an electrically conductive layer, and the thickness of the mixture should be within the range of 3 to 50 nanometers. By depositing an electrically conductive layer on the oxidized mixture, a capacitor having a high dielectric, and low current leakage dielectric medium is provided.

REFERENCES:
patent: 3786323 (1974-01-01), Peters et al.

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