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Patent Searching and Data


Title:
MEMORIES WITH CYLINDRICAL READ/WRITE STACKS
Document Type and Number:
WIPO Patent Application WO/2013/192216
Kind Code:
A3
Abstract:
A three-dimensional memory is formed as an array of memory elements across multiple layers positioned at different distances above a semiconductor substrate. Cylindrical stacks of memory elements are formed where a cylindrical opening has read/write material deposited along its wall, and a cylindrical vertical bit line formed along its central axis. Memory elements formed on either side of such a cylinder may include sheet electrodes that extend into the read/write material.

Inventors:
CHIEN HENRY (US)
LEE YAO-SHENG (US)
SAMACHISA GEORGE (US)
ALSMEIER JOHANN (US)
Application Number:
PCT/US2013/046379
Publication Date:
March 20, 2014
Filing Date:
June 18, 2013
Export Citation:
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Assignee:
SANDISK 3D LLC (US)
International Classes:
H01L45/00; H01L27/24
Domestic Patent References:
WO2011056281A12011-05-12
Foreign References:
US7952163B22011-05-31
US20110140068A12011-06-16
US20110309322A12011-12-22
US20120147649A12012-06-14
US20110115049A12011-05-19
Attorney, Agent or Firm:
GALLAGHER, Peter A. et al. (505 Montgomery Street Suite 80, San Francisco California, US)
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