Patent ID: 11942154
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 1:
2. The nonvolatile memory device of claim 1,
wherein the first extension region includes a first step zone disposed adjacent to the first side, a second step zone, and a first flat zone disposed between the first step zone and the second step zone,
wherein each of the first step zone and the second step zone has a stepped shape that descends from the first side and a periphery of the first flat zone, respectively, and the first flat zone has a flat shape,
wherein the second extension region includes a third step zone disposed adjacent to the second side, and a second flat zone disposed adjacent to the third step zone, and
wherein the third step zone has a stepped shape that descends from the second side, and the second flat zone has a flat shape and includes an insulating mold structure.