The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 07, 2016
Filed:
Dec. 08, 2014
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventors:
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/335 (2006.01); H01L 21/339 (2006.01); H01L 21/8239 (2006.01); H01L 27/115 (2006.01); H01L 21/822 (2006.01); H01L 21/28 (2006.01); H01L 29/66 (2006.01); H01L 29/792 (2006.01); H01L 21/311 (2006.01); H01L 21/768 (2006.01);
U.S. Cl.
CPC ...
H01L 27/11582 (2013.01); H01L 21/28282 (2013.01); H01L 21/31111 (2013.01); H01L 21/768 (2013.01); H01L 21/8221 (2013.01); H01L 27/11578 (2013.01); H01L 29/66833 (2013.01); H01L 29/7926 (2013.01);
Abstract
A nonvolatile memory device includes a pipe insulation layer having a pipe channel hole, a pipe gate disposed over the pipe insulation layer, a pair of cell strings each having a columnar cell channel, and a pipe channel coupling the columnar cell channels and surrounding inner sidewalls and a bottom of the pipe channel hole.