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:
Nov. 30, 2010
Filed:
Dec. 29, 2007
Applicants:
Heung-jae Cho, Ichon-shi, KR;
Hong-seon Yang, Ichon-shi, KR;
Se-aug Jang, Ichon-shi, KR;
Inventors:
Assignee:
Hynix Semiconductor Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/3205 (2006.01); H01L 21/4763 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device includes a substrate having a recess in an area where a gate is to be formed, spacers formed over sidewalls of the recess, and a first gate electrode filling in the recess. The spacers include material having the first work function or insulation material. The first gate electrode includes material having a second work function, wherein the second work function is higher than that of the spacers.