公开(公告)号：US20150357339A1

公开(公告)日：2015-12-10

申请号：US14826814

申请日：2015-08-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil SHIM ,  Jang-Gn YUN ,  Jeonghyuk CHOI ,  Kwang Soo SEOL ,  Jaehoon JANG ,  Jungdal CHOI

IPC: H01L27/115 ,  H01L23/535

CPC classification number: G11C16/0466 ,  G11C16/0483 ,  H01L23/535 ,  H01L27/11524 ,  H01L27/11556 ,  H01L27/1157 ,  H01L27/11582 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A semiconductor memory device is provided including first and second cell strings formed on a substrate, the first and second cell strings jointly connected to a bit line, wherein each of the first and second cell strings includes a ground selection unit, a memory cell, and first and second string selection units sequentially formed on the substrate to be connected to each other, wherein the ground selection unit is connected to a ground selection line, the memory cell is connected to a word line, the first string selection unit is connected to a first string selection line, and the second string selection unit is connected to a second string selection line, and wherein the second string selection unit of the first cell string has a channel dopant region.

Abstract translation: 提供一种半导体存储器件，包括形成在衬底上的第一和第二单元串，第一和第二单元串共同连接到位线，其中第一和第二单元串中的每一个包括地选择单元，存储单元和 第一和第二串选择单元，其顺序地形成在要连接的基板上，其中，所述接地选择单元连接到地选择线，所述存储单元连接到字线，所述第一串选择单元连接到 第一串选择线，第二串选择单元连接到第二串选择线，并且其中第一单元串的第二串选择单元具有沟道掺杂区。