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. 10, 2017
Filed:
Jul. 06, 2015
Ha-na Kim, Seoul, KR;
Dae-hyun Jang, Suwon-si, KR;
Jung-ik OH, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
Abstract
A method of manufacturing a vertical memory device includes: providing a substrate including a cell array region and a peripheral circuit region; forming a mold structure in the cell array region; forming a mold protection film in a portion of the cell array region and the peripheral circuit region, the mold protection film contacting the mold structure; forming an opening for a common source line that passes through the mold structure and extends in a first direction perpendicular to a top surface of the substrate; forming a peripheral circuit contact hole that passes through the mold protection film and extends in the first direction in the peripheral circuit region; and simultaneously forming a first contact plug and a second contact plug, respectively, in the opening for the common source line and in the peripheral circuit contact hole.