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:
Jul. 27, 2010
Filed:
Aug. 16, 2006
Applicants:
Jin-gyun Kim, Gyeonggi-do, KR;
Ki-sun Kim, Seoul, KR;
Jae-young Ahn, Gyeonggi-do, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/311 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor memory device includes a semiconductor substrate. An inter-layer dielectric is disposed on the semiconductor substrate. A bit line is disposed on the inter-layer dielectric. A bit line spacer is fabricated of a nitride layer containing boron and/or carbon and covers sidewalls of the bit line. A method of fabricating the semiconductor memory device is also provided.