Cross-point contact-free array with a high-density floating-gate

Details Cross-point contact-free array with a high-density floating-gate Cross-point contact-free array with a high-density floating-gate

1989-09-01

1991-09-24

Jackson, Jr., Jerome

Static information storage and retrieval

Magnetic bubbles

Guide structure

365185, 357 45, H01L 2968, H01L 2978

Patent

active

050517961

ABSTRACT:
A contact-free floating-gate non-volatile memory cell array and process with silicated NSAG bitlines and with source/drain regions buried beneath relatively thick silicon oxide. The bitlines having a relatively small resistance, eliminating the need for parallel metallic conductors with numerous bitline contacts. The array has relatively small bitline capacitance and may be constructed having relatively small dimensions. Bitline isolation is by P/N junction or by oxide-filled trench, permitting relatively small spacing between transistors. Wordlines may be formed from silicided polycrystalline or other material with low resistivity. Coupling of programming and erasing voltages to the floating gate is improved by using an insulator with relatively high dielectric constant between the control gate and the floating gate. The resulting structure is a dense cross-point array of programmable memory cells.

REFERENCES:
patent: 4151537 (1979-04-01), Goldman et al.
patent: 4326331 (1982-04-01), Guterman
patent: 4434433 (1984-02-01), Nishizawa
patent: 4455568 (1984-06-01), Shiota
patent: 4471373 (1984-09-01), Shimizu
patent: 4597060 (1986-06-01), Mitchell et al.
patent: 4652897 (1987-03-01), Okuyama et al.
patent: 4663645 (1987-05-01), Komori et al.
patent: 4698787 (1987-10-01), Mukherjee et al.
patent: 4698900 (1987-10-01), Esquivel
patent: 4763177 (1988-08-01), Paterson
patent: 4855800 (1989-08-01), Esquivel et al.

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