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:
May. 08, 2018
Filed:
May. 03, 2017
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-Do, KR;
Sung-Min Hwang, Seoul, KR;
Han-Soo Kim, Suwon-si, KR;
Won-Seok Cho, Suwon-si, KR;
Jae-Hoon Jang, Seongnam-si, KR;
Sun-Il Shim, Seoul, KR;
Jae-Hun Jeong, Hwaseong-si, KR;
Ki-Hyun Kim, Hwaseong-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
A vertical non-volatile memory device includes a substrate, and a first stack of word lines and a second stack of word lines extending in a first direction on the substrate and separated from each other in a second direction perpendicular to the first direction. The device further includes first array lines extending in the second direction on the first and the second stack, and connected to word lines of the first and the second stack through at least two of first via contacts in a same level. The device further include first word select lines being in a same level and extending in the first direction, and connected to each of the first array lines through at least one of second via contacts. Ends of each of the first and the second stack have a form of stairs on the substrate.