Phase change memory cells having vertical channel access transistor and memory plane

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8350316
APP PUB NO 20100295009A1
SERIAL NO

12471287

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Abstract

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Memory devices are described along with methods for manufacturing. A memory device as described herein comprises a plurality of word lines overlying a plurality of bit lines, and a plurality of field effect transistors. Field effect transistors in the plurality of field effect transistors comprises a first terminal electrically coupled to a corresponding bit line in the plurality of bit lines, a second terminal overlying the first terminal, and a channel region separating the first and second terminals and adjacent a corresponding word line in the plurality of word lines. The corresponding word line acts as the gate of the field effect transistor. A dielectric separates the corresponding word line from the channel region. A memory plane comprises programmable resistance memory material electrically coupled to respective second terminals of the field effect transistors, and conductive material on the programmable resistance memory material and coupled to a common voltage.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATIONNEW ORCHARD ROAD ARMONK NY 10504
MACRONIX INTERNATIONAL CO LTDHSINCHU

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lam, Chung Hon Peekskill, US 115 3758
Lee, Ming-Hsiu Hsinchu, TW 141 981
Lung, Hsiang-Lan Dobbs Ferry, US 320 9851
Rajendran, Bipin White Plains, US 69 1823

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