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. 18, 2011
Filed:
Jun. 12, 2008
Applicants:
Kyung DO Kim, Seoul, KR;
Seung Joo Baek, Seoul, KR;
Inventors:
Kyung Do Kim, Seoul, KR;
Seung Joo Baek, Seoul, KR;
Assignee:
Hynix Semiconductor Inc., Kyoungki-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/336 (2006.01); H01L 29/76 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device comprises buried bit lines which are formed to be brought into contact with drain areas of vertical pillar transistors. The buried bit lines are arranged along a first direction in a silicon substrate. The buried bit lines are formed of epi-silicon to reduce the resistance of the buried bit lines.