Invention Grant
- Patent Title: Method of fabricating a gate-all-around word line for a vertical channel DRAM
- Patent Title (中): 制造垂直通道DRAM的全栅字线的方法
-
Application No.: US13986515Application Date: 2013-05-09
-
Publication No.: US09023723B2Publication Date: 2015-05-05
- Inventor: Chorng-Ping Chang , Er-Xuan Ping , Judon Tony Pan
- Applicant: Chorng-Ping Chang , Er-Xuan Ping , Judon Tony Pan
- Applicant Address: US CA Santa Clara
- Assignee: Applied Materials, Inc.
- Current Assignee: Applied Materials, Inc.
- Current Assignee Address: US CA Santa Clara
- Agent Shirley L. Church, Esq.
- Main IPC: H01L27/108
- IPC: H01L27/108

Abstract:
A method of fabricating a self-aligned buried wordline in a structure which contains a self-aligned buried bit line, where the overall structure which makes up a portion of a vertical channel DRAM. The materials and processes used enable self-alignment of elements of the buried wordline during the fabrication process. In addition, the materials and processes used enable for formation of individual DRAM cells which have a buried bit line width which is 16 nm or less and a perpendicular buried wordline width which is 24 nm or less.
Public/Granted literature
- US20130323920A1 Method of fabricating a gate-all-around word line for a vertical channel dram Public/Granted day:2013-12-05
Information query
IPC分类: