Invention Application
- Patent Title: Contact Over Active Gate Structure
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Application No.: US16558711Application Date: 2019-09-03
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Publication No.: US20200075409A1Publication Date: 2020-03-05
- Inventor: Wenhui Wang , Huixiong Dai , Christopher S. Ngai
- Applicant: Applied Materials, Inc.
- Main IPC: H01L21/768
- IPC: H01L21/768 ; H01L21/033 ; H01L23/522

Abstract:
Methods of forming and processing semiconductor devices which utilize a three-color hardmask process are described. Certain embodiments relate to the formation of self-aligned contacts for metal gate applications. More particularly, certain embodiments relate to the formation of self-aligned gate contacts utilizing selective deposition of masks in a three-color process.
Public/Granted literature
- US10930556B2 Contact over active gate structure Public/Granted day:2021-02-23
Information query
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