Invention Grant
- Patent Title: Integrated circuit structure with non-gated well tap cell
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Application No.: US16263656Application Date: 2019-01-31
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Publication No.: US10665673B2Publication Date: 2020-05-26
- Inventor: Jiefeng Lin , Jeng-Ya Yeh , Chih-Yung Lin
- Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
- Applicant Address: TW Hsinchu
- Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
- Current Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
- Current Assignee Address: TW Hsinchu
- Agency: Haynes and Boone, LLP
- Main IPC: H01L21/02
- IPC: H01L21/02 ; H01L29/02 ; H01L29/08 ; H01L29/417 ; H01L21/324 ; H01L21/762 ; H01L21/306

Abstract:
The present disclosure provides a method that includes receiving a semiconductor substrate that includes an integrated circuit (IC) cell and a well tape cell surrounding the IC cell; forming first fin active regions in the well tape cell and second fin active regions in the IC cell; forming a hard mask within the well tape cell, wherein the hard mask includes openings that define first source/drain (S/D) regions on the first fin active region of the well tape cell; forming gate stacks on the second fin active regions within the IC cell and absent from the well tape cell, wherein the gate stacks define second S/D regions on the second fin active regions; epitaxially growing first S/D features in the first S/D regions using the hard mask to constrain the epitaxially growing; and forming contacts landing on the first S/D features within the well tape cell.
Public/Granted literature
- US20200006484A1 Integrated Circuit Structure With Non-Gated Well Tap Cell Public/Granted day:2020-01-02
Information query
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