Invention Grant
- Patent Title: Trench gate first CMOS
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Application No.: US15446612Application Date: 2017-03-01
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Publication No.: US10177047B2Publication Date: 2019-01-08
- Inventor: Effendi Leobandung
- Applicant: International Business Machines Corporation
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Scully, Scott, Murphy & Presser, P.C.
- Agent L. Jeffrey Kelly, Esq.
- Main IPC: H01L29/78
- IPC: H01L29/78 ; H01L27/12 ; H01L21/84 ; H01L21/768 ; H01L21/306 ; H01L21/265 ; H01L21/324 ; H01L29/66

Abstract:
After forming an interlevel dielectric (ILD) layer over a semiconductor material portion located on a substrate, a gate trench is formed extending through the ILD layer to expose a channel region of the semiconductor material portion. A gate structure is then formed within the gate trench. Epitaxial semiconductor regions are subsequently formed within source/drain contact openings formed on opposite sides of the gate structure, followed by forming source/drain contact structures on the epitaxial semiconductor regions.
Public/Granted literature
- US20180254220A1 TRENCH GATE FIRST CMOS Public/Granted day:2018-09-06
Information query
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