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. 30, 2014
Filed:
Jun. 27, 2014
SK Hynix Inc., Gyeonggi-do, KR;
Jang Uk Lee, Gyeonggi-do, KR;
Sung Cheoul Kim, Gyeonggi-do, KR;
Kang Sik Choi, Gyeonggi-do, KR;
Suk Ki Kim, Gyeonggi-do, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
A semiconductor memory device includes a semiconductor substrate, an active region including a plurality of unit active regions and disposed over and spaced from the semiconductor substrate, a pair of word lines formed on a top surface and sides of the unit active region, a dummy word line disposed at a contact of the unit active regions and formed on top surfaces and sides of the unit active regions, a source region in the unit active region between the pair of word lines and electrically connected to the semiconductor substrate, drain regions formed in the unit active region between the pair of word lines and the dummy word line, and first storage layers formed on the drain regions and electrically connected to the drain regions.