GaAs Surface Passivation for Device Applications.
Abstract
This report describes the progress in the second six-month period of a program to develop deposited dielectrics for GaAs device applications. Three applications of the dielectrics are being investigated: (1) isolation of control electrodes; (2) passivation of the GaAs surface; and (3) encapsulation of completed circuits. The dielectrics being studied include silicon oxynitride; mixtures of silicon nitride and germanium nitride; and mixtures of silicon dioxide, gallium oxide, and aluminum oxide. During this report period, GaAs metal-semiconductor gate field effect transistors were evaluated for microwave gain degradation following encapsulation with a plasma-deposited dielectric. Design of an improved deposition system is described. Several phenomena observed in capacitance-voltage data are discussed.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 1980
- Accession Number
- ADA084210
Entities
People
- C. L. Anderson
- J. W. Peters
- M. D. Clark
Organizations
- HRL Laboratories