Patent ID: 11887936
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 15:
16. The semiconductor device according to claim 15, further comprising:
a horizontal wiring layer disposed in the first area on the substrate;
a sealing conductive layer on the horizontal wiring layer;
a support on the sealing conductive layer;
a horizontal buried layer disposed in the second area on the substrate; and
an interlayer insulating layer on the horizontal buried layer,
wherein the first stack structure is disposed on the support,
wherein the channel structure extends into the horizontal wiring layer and through the second stack structure, the first stack structure, the support, and the sealing conductive layer,
wherein the first auxiliary stack structure is disposed on the interlayer insulating layer, and
wherein the alignment key extends into the horizontal buried layer and through the first auxiliary stack structure and the interlayer insulating layer.