Invention Grant
- Patent Title: Contact for high-k metal gate device
- Patent Title (中): 接触高k金属门装置
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Application No.: US13971267Application Date: 2013-08-20
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Publication No.: US08853753B2Publication Date: 2014-10-07
- Inventor: Harry-Hak-Lay Chuang , Sheng-Chen Chung , Wei Cheng Wu , Bao-Ru Young , Huan-Just Lin , Tsai-Chun Li
- Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
- Applicant Address: TW Hsin-Chu
- Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
- Current Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
- Current Assignee Address: TW Hsin-Chu
- Agency: Haynes and Boone, LLP
- Main IPC: H01L29/76
- IPC: H01L29/76 ; H01L29/94 ; H01L31/062 ; H01L31/113 ; H01L31/119 ; H01L29/78 ; H01L21/8238 ; H01L29/417 ; H01L29/423 ; H01L29/49 ; H01L29/66 ; H01L21/768

Abstract:
An integrated circuit includes a semiconductor substrate including a source region and a drain region and a gate dielectric over the semiconductor substrate. A metal gate structure is over the semiconductor substrate and the gate dielectric and between the source and drain regions. The integrated circuit further includes an interlayer dielectric (ILD) over the semiconductor substrate. First and second contacts extend through the ILD and adjacent the source and drain regions, respectively, and a third contact extends through the ILD and adjacent a top surface of the metal gate structure. The third contact further extends into an undercut region of the metal gate structure.
Public/Granted literature
- US20130328115A1 Contact for High-K Metal Gate Device Public/Granted day:2013-12-12
Information query
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