Invention Grant
- Patent Title: Self-aligned contacts for field effect transistor devices
- Patent Title (中): 场效应晶体管器件的自对准触点
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Application No.: US12757201Application Date: 2010-04-09
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Publication No.: US08367508B2Publication Date: 2013-02-05
- Inventor: Dechao Guo , Wilfried E. Haensch , Xinhui Wang , Keith Kwong Hon Wong
- Applicant: Dechao Guo , Wilfried E. Haensch , Xinhui Wang , Keith Kwong Hon Wong
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Cantor Colburn LLP
- Agent Vazken Alexanian
- Main IPC: H01L21/336
- IPC: H01L21/336

Abstract:
A method for forming a field effect transistor includes forming a gate stack, a spacer adjacent to opposing sides of the gate stack, a silicide source region and a silicide drain region on opposing sides of the spacer, epitaxially growing silicon on the source region and the drain region; forming a liner layer on the gate stack and the spacer, removing a portion of the liner layer to expose a portion of the hardmask layer, removing the exposed portions of the hardmask layer to expose a silicon layer of the gate stack, removing exposed silicon to expose a portion of a metal layer of the gate stack, the source region, and the drain region; and depositing a conductive material on the metal layer of the gate stack, the silicide source region, and the silicide drain region.
Public/Granted literature
- US20110248321A1 Self-Aligned Contacts for Field Effect Transistor Devices Public/Granted day:2011-10-13
Information query
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