Electrically alterable read only memory semiconductor device mad

Static information storage and retrieval – Systems using particular element – Semiconductive

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357 235, G11C 1140

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active

044569785

ABSTRACT:
An electrically alterable read only memory (EAROM) having a tunneling layer of an insulating material such as silicon dioxide which is grown on the substrate by thermal oxidation carried out at low pressure and a layer of silicon nitride laid down on the tunneling layer by a low-pressure chemical vapor deposition, the interface of the two layers forming a charge storage area with the EAROM having improved read/write switching capability and quality, and improved reliability and memory retentivity characteristics.

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