Patent ID: 11950400
Assignee: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATION
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A semiconductor device, comprising:
a substrate;
a first source/drain doped layer and a second source/drain doped layer on the substrate, wherein the first source/drain doped layer is spaced apart from the second source/drain doped layer;
a first conductive structure formed on the substrate and the first source/drain doped layer;
a second conductive structure formed on the substrate and the second source/drain doped layer, wherein the second conductive structure is spaced apart from the first conductive structure;
a first dielectric layer formed on the substrate, the first source/drain doped layer, and the second source/drain doped layer, and covering sidewalls of the first conductive structure and the second conductive structure, a top surface of the first dielectric layer being lower than a top surface of the first conductive structure and a top surface of the second conductive structure;
an insulating layer formed on the first conductive structure and the second conductive structure, wherein the insulating layer and the first dielectric layer are made of different materials, and a width of the insulating layer is larger than a width of the first conductive structure and a width of the second conductive structure;
a second dielectric layer formed on the first dielectric layer except a portion of the top surface of the first dielectric layer that is located between the first conductive structure and the second conductive structure, wherein a top surface of the second dielectric layer is coplanar with a top surface of the insulating layer, and the second dielectric layer and the first dielectric layer are made of a same material; and
a third conductive structure formed on the portion of the top surface of the first dielectric layer that is located between the first conductive structure and the second conductive structure.