Multibit single cell memory element having tapered contact

Details Multibit single cell memory element having tapered contact Multibit single cell memory element having tapered contact

1996-04-19

1997-11-11

Popek, Joseph A.

Static information storage and retrieval

Systems using particular element

Amorphous

257 3, 257 4, G11C 1100

Patent

active

056871120

ABSTRACT:
An electrically operated, directly overwritable, multibit, single-cell chalcogenide memory element with multibit storage capabilities and having at least one contact for supplying electrical input signals to set the memory element to a selected resistance value, the second contact tapering to a peak adjacent to the memory element. In this manner the tapered contact helps define the size and position of a conduction path through the memory element.

REFERENCES:
patent: 5177567 (1993-01-01), Klersy et al.
patent: 5536947 (1996-07-01), Klersy et al.

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