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:
Dec. 16, 2014
Filed:
Sep. 02, 2013
Kabushiki Kaisha Toshiba, Tokyo, JP;
Kazushige Kanda, Kanagawa, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A semiconductor memory device includes a bit line, an active region formed in a semiconductor substrate, a plug formed on the active region and connecting the bit line to the active region, a memory cell which includes a first gate insulating film on the active region, a charge storage layer on the first gate insulating film, a first insulating film on the charge storage layer, and a control gate electrode on the first insulating film, a select transistor formed between the plug and the memory cell on the active region and including a second gate insulating film on the active region, a first electrode layer on the second gate insulating film, a second insulating film on the first electrode layer, and a second electrode layer on the second insulating film, and a wiring formed above the active region between the plug and the second electrode layer of the select transistor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile