EEPROM with metal doped insulator

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Details

357 63, 357 54, H01L 2978, H01L 2967, G11C 1140

Patent

active

047334827

ABSTRACT:
Insulating layers responsible for the trapping of electric charge in non-volatile semiconductor memories, such as FAMOS or MNOS, are fabricated as thicker layers when doped with metals having partially filled d or f electron shells. Typically the insulating layer is silicon oxide doped with up to 10 atomic % of a first transition series metal.

REFERENCES:
patent: 4494996 (1985-01-01), Ohno et al.

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