Invention Grant
- Patent Title: Multi-level ferroelectric memory cell
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Application No.: US16298413Application Date: 2019-03-11
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Publication No.: US11621269B2Publication Date: 2023-04-04
- Inventor: Julien Frougier , Ruilong Xie
- Applicant: GLOBALFOUNDRIES U.S. INC.
- Applicant Address: US CA Santa Clara
- Assignee: GLOBALFOUNDRIES U.S. INC.
- Current Assignee: GLOBALFOUNDRIES U.S. INC.
- Current Assignee Address: US CA Santa Clara
- Agency: Calderon Safran & Cole, P.C.
- Agent Francois Pagette; Andrew M. Calderon
- Main IPC: H01L27/11514
- IPC: H01L27/11514 ; H01L27/11502 ; H01L23/522 ; H01L49/02

Abstract:
The present disclosure relates to semiconductor structures and, more particularly, to a multi-level ferroelectric memory cell and methods of manufacture. The structure includes: a first metallization feature; a tapered ferroelectric capacitor comprising a first electrode, a second electrode and ferroelectric material between the first electrode and the second electrode, the first electrode contacting the first metallization feature; and a second metallization feature contacting the second electrode.
Public/Granted literature
- US20200295017A1 MULTI-LEVEL FERROELECTRIC MEMORY CELL Public/Granted day:2020-09-17
Information query
IPC分类: