Patent ID: 11925024
Assignee: KIOXIA CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. The semiconductor memory device according to claim 1, wherein
the second region includes a second insulating member disposed between all second word line parts of the plurality of first word line layers and the plurality of first insulating layers, the second insulating member extending in the first direction and the third direction,
the plurality of first insulating layers have side surfaces in the second direction attached to the second insulating member,
the fourth region includes a third insulating member disposed between all fourth word line parts of the plurality of second word line layers and the plurality of second insulating layers, the third insulating member extending the first direction and the third direction, and
the plurality of second insulating layers have side surfaces in the second direction attached to the third insulating member.