Patent ID: 11894418
Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The semiconductor structure of claim 1, wherein a plurality of first protruding portions and a plurality of first recessed portions are arranged on the surface, on a side close to the dielectric layer, of the first electrode layer, the first protruding portions and the first recessed portions being located on two opposite sides of a reference plane respectively, and the first protruding portions and the first recessed portions being mutually staggered and sequentially connected end to end; and
wherein the first electrode layer is cylindrical, the first electrode layer has a median axis, the reference plane is perpendicular to the substrate, and a distance between the reference plane and the median axis is an average value of a distance between the first protruding portions and the median axis and a distance between the first recessed portions and the median axis.