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:
Aug. 04, 2015
Filed:
Aug. 31, 2012
Applicants:
Ki Hong Lee, Suwon-si, KR;
Seung Ho Pyi, Yongin-si, KR;
Hyun Soo Shon, Suwon-si, KR;
Inventors:
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/76 (2006.01); H01L 27/115 (2006.01);
U.S. Cl.
CPC ...
H01L 27/11582 (2013.01); H01L 27/11573 (2013.01);
Abstract
A semiconductor device includes: vertical channel layers; a pipe channel layer configured to connect lower ends of the vertical channel layers; and a pipe gate surrounding the pipe channel layer and including a first region, which is in contact with the pipe channel layer and includes a first-type impurity, and remaining second regions including a second-type impurity different from the first type impurity.