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:
Jan. 09, 2018
Filed:
Jan. 02, 2015
Applicant:
SK Hynix Inc., Icheon-Si, KR;
Inventor:
Hyung-Suk Lee, Icheon-Si, KR;
Assignee:
SK hynix Inc., Icheon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/76 (2006.01); H01L 29/08 (2006.01); H01L 29/423 (2006.01); H01L 27/22 (2006.01); G06F 3/06 (2006.01); G06F 12/0866 (2016.01); H01L 29/66 (2006.01); H01L 29/417 (2006.01); H01L 29/10 (2006.01); H01L 45/00 (2006.01); H01L 27/24 (2006.01);
U.S. Cl.
CPC ...
H01L 29/0847 (2013.01); G06F 3/0604 (2013.01); G06F 3/0629 (2013.01); G06F 3/0679 (2013.01); G06F 12/0866 (2013.01); H01L 27/228 (2013.01); H01L 27/2436 (2013.01); H01L 29/1037 (2013.01); H01L 29/41783 (2013.01); H01L 29/4236 (2013.01); H01L 29/66621 (2013.01); H01L 45/04 (2013.01); H01L 45/06 (2013.01); H01L 45/1233 (2013.01); H01L 45/141 (2013.01); H01L 45/146 (2013.01); H01L 45/147 (2013.01); G06F 2212/222 (2013.01);
Abstract
An electronic device includes a semiconductor memory unit that includes: a gate including at least a portion buried in a substrate; a junction portion formed in the substrate on both sides of the gate; and a memory element coupled with the junction portion on one side of the gate, wherein the junction portion includes: a recess having a bottom surface protruded in a pyramid shape; an impurity region formed in the substrate and under the recess; and a contact pad formed in the recess.