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:
Nov. 16, 2012
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventors:
Cheol Hwan Park, Icheon-si, KR;
Dong Sauk Kim, Seoul, KR;
Assignee:
SK HYNIX INC., Icheon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/92 (2006.01); H01L 27/108 (2006.01); H01L 49/02 (2006.01);
U.S. Cl.
CPC ...
H01L 29/92 (2013.01); H01L 27/10852 (2013.01); H01L 28/91 (2013.01);
Abstract
In a semiconductor device, a support wall is formed between storage nodes to more effectively prevent leaning of a capacitor, and the storage nodes are formed using a damascene process, which may increase a contact area between each storage node and a storage node contact.