Ultra Radiation-Hard, Ultra-Dense, Fast Nonvolatile GaAs Random Access Memory

Award Information
Agency: Department of Defense
Branch: Missile Defense Agency
Contract: N/A
Agency Tracking Number: 18018
Amount: $300,000.00
Phase: Phase II
Program: SBIR
Awards Year: 1993
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
3152 Kashiwa Street, Torrance, CA, 90505
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 V.k. Raman
 (310) 534-3666
Business Contact
Phone: () -
Research Institution
Electro-Optek proposes to develop a radiation-hard, non-volatile random access memory using an epitaxial InSb Hall element fabricated on gallium arsenide (GaAs) in conjunction with a thin-film layer of permalloy. The permalloy layer serves as the non-volatile memory storage medium while the InSb Hall element acts as the high-speed memory readout. The RAM can be built by very large scale integrated-circuit (VLSI) technology. The densely-packed memory cells will be integrated to high electron mobility transistor circuits previously processed on the GaAs. By virtue of InSb's high mobility and extremely fast and low noise HEMT driver, an access time less than 5 nanosecond and a packaging density greater than 1 M bit/cm2 are achievable; these characteristics are superior to those of the state-of-the-art static, non-volatile RAM. Because the magnetization of the permalloy is not affected by high-energy radiation with a semi-insulating substrate, this RAM is ultra-radiation hard.

* Information listed above is at the time of submission. *

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