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. 19, 2013
Filed:
Mar. 07, 2011
Applicants:
Shinichi Takayama, Tokyo, JP;
Yasutoshi Yamada, Fukuoka, JP;
Inventors:
Shinichi Takayama, Tokyo, JP;
Yasutoshi Yamada, Fukuoka, JP;
Assignee:
Elpida Memory, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device includes a semiconductor substrate, a first local bit line formed in the semiconductor substrate and elongated in a first direction, a first insulating layer on the semiconductor substrate, a first global bit line formed on the first insulating layer, a first path formed in the first insulating layer to couple a first end of the first local bit line with the first global bit line, and a second path formed in the first insulating layer to couple a second end of the first local bit line with the first global bit line.