Patent ID: 11889679
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A semiconductor device, comprising:
a substrate having a plurality of trenches;
an insulating pattern fully covering bottom surfaces, top surfaces, and inner sides surfaces of the plurality of trenches; and
active patterns defined by the plurality of trenches,
wherein the active patterns are spaced apart from each other in a first direction and are parallel to each other, the first direction parallel to a top surface of the substrate, and
at least one of opposite topmost ends of the active patterns has a stepwise portion, wherein
the stepwise portion comprises of a bottom surface and a side surface, and the bottom surface is parallel to a top surface of the active pattern,
the insulating pattern is in continuous contact with the bottom surfaces, top surfaces, and inner side surfaces of the plurality of trenches and the bottom surface and side surface of the stepwise portion,
the insulating pattern covers a top surface of the active patterns and a top surface of the plurality of trenches, and
the insulating pattern has a planar top surface.