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:
Jan. 31, 2017
Filed:
May. 19, 2015
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-Do, KR;
Je-Min Park, Suwon-Si, KR;
Tae-Jin Park, Yongin-Si, KR;
Yong-Kwan Kim, Yongin-Si, KR;
Yoo-Sang Hwang, Suwon-Si, KR;
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
Provided is a memory device. The memory device includes a substrate including a cell area and a peripheral area; gate line stacks and bit line stacks configured to vertically cross in the cell area; buried contacts disposed in areas, which are simultaneously shared by neighboring gate line stacks and neighboring bit line stacks; expanded landing pads including expanded portions connected to the buried contacts and expanded over adjacent bit line stacks, and disposed in a row; landing pads spaced apart from the expanded landing pads as a column, connected to the buried contacts, and having horizontal widths smaller than those of the expanded landing pads; and first storage nodes connected to the expanded portions of the expanded landing pads, and second storage nodes connected to the landing pads.