Invention Grant
- Patent Title: Integrated circuits having gate cap protection and methods of forming the same
- Patent Title (中): 具有栅极盖保护的集成电路及其形成方法
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Application No.: US14159944Application Date: 2014-01-21
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Publication No.: US09269611B2Publication Date: 2016-02-23
- Inventor: Daniel Thanh Khae Pham , Xiuyu Cai , Bala Subramanian Pranatharthi Haran , Charan Veera Venkata Satya Surisetty , Jin Wook Lee , Shom Ponoth , David V. Horak
- Applicant: GLOBALFOUNDRIES, Inc. , INTERNATIONAL BUSINESS MACHINES CORPORATION
- Applicant Address: KY Grand Cayman US NY Armonk
- Assignee: GLOBALFOUNDRIES, INC.,INTERNATIONAL BUSINESS MACHINES CORPORATION
- Current Assignee: GLOBALFOUNDRIES, INC.,INTERNATIONAL BUSINESS MACHINES CORPORATION
- Current Assignee Address: KY Grand Cayman US NY Armonk
- Agency: Ingrassia Fisher & Lorenz, P.C.
- Main IPC: H01L29/78
- IPC: H01L29/78 ; H01L21/768

Abstract:
Integrated circuits and methods of forming integrated circuits are provided. An integrated circuit includes a gate electrode structure overlying a base substrate. The gate electrode structure includes a gate electrode, with a cap disposed over the gate electrode and sidewall spacers disposed adjacent to sidewalls of the gate electrode structure. A source and drain region are formed in the base substrate aligned with the gate electrode structure. A first dielectric layer is disposed adjacent to the sidewall spacers. The sidewall spacers and the cap have recessed surfaces below a top surface of the first dielectric layer, and a protecting layer is disposed over the recessed surfaces. A second dielectric layer is disposed over the first dielectric layer and the protecting layer. Electrical interconnects are disposed through the first dielectric layer and the second dielectric layer, and the electrical interconnects are in electrical communication with the respective source and drain regions.
Public/Granted literature
- US20150206844A1 INTEGRATED CIRCUITS HAVING GATE CAP PROTECTION AND METHODS OF FORMING THE SAME Public/Granted day:2015-07-23
Information query
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