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:
Mar. 16, 2010
Filed:
Jan. 26, 2006
Yasuhiko Matsunaga, Kanagawa, JP;
Fumitaka Arai, Kanagawa, JP;
Makoto Sakuma, Mie, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A semiconductor memory includes a plurality of active regions; a plurality of bit line contacts disposed on respective active regions; a plurality of first local lines formed in an island shape and in contact with upper surfaces of the plurality of bit line contacts; a plurality of first via contacts in contact with the upper surfaces of the plurality of first local lines and aligned in a direction parallel to the active regions; a first bit line in contact with one of the plurality of first via contacts and extending in a direction parallel to the active regions; and a plurality of second via contacts arranged above the first via contacts that are not in contact with the first bit line through respective second local lines.