- Patent Title: Integrated trench and via electrode for memory device applications
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Application No.: US17553486Application Date: 2021-12-16
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Publication No.: US11862517B1Publication Date: 2024-01-02
- Inventor: Noriyuki Sato , Niloy Mukherjee , Mauricio Manfrini , Tanay Gosavi , Rajeev Kumar Dokania , Somilkumar J. Rathi , Amrita Mathuriya , Sasikanth Manipatruni
- Applicant: Kepler Computing Inc.
- Applicant Address: US CA San Francisco
- Assignee: KEPLER COMPUTING INC.
- Current Assignee: KEPLER COMPUTING INC.
- Current Assignee Address: US CA San Francisco
- Agency: MUGHAL GAUDRY & FRANKLIN PC
- Main IPC: H01L21/00
- IPC: H01L21/00 ; H01L21/768 ; H01L23/538 ; G11C11/22 ; H10B53/20

Abstract:
A device includes, in a first region, a first conductive interconnect, an electrode structure on the first conductive interconnect, where the electrode structure includes a first conductive hydrogen barrier layer and a first conductive fill material. A memory device including a ferroelectric material or a paraelectric material is on the electrode structure. A second dielectric includes an amorphous, greater than 90% film density hydrogen barrier material laterally surrounds the memory device. A via electrode including a second conductive hydrogen barrier material is on at least a portion of the memory device. A second region includes a conductive interconnect structure embedded within a less than 90% film density material.
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