Invention Grant
- Patent Title: Semiconductor-on-insulator (SOI) semiconductor structures including a high-k dielectric layer and methods of manufacturing the same
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Application No.: US17674348Application Date: 2022-02-17
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Publication No.: US11978740B2Publication Date: 2024-05-07
- Inventor: Harry-Hak-Lay Chuang , Kuo-Ching Huang , Wei-Cheng Wu , Hsin Fu Lin , Henry Wang , Chien Hung Liu , Tsung-Hao Yeh , Hsien Jung Chen
- Applicant: Taiwan Semiconductor Manufacturing Company Limited
- Applicant Address: TW Hsinchu
- Assignee: Taiwan Semiconductor Manufacturing Company Limited
- Current Assignee: Taiwan Semiconductor Manufacturing Company Limited
- Current Assignee Address: TW Hsinchu
- Agency: The Marbury Law Group, PLLC
- Main IPC: H01L27/12
- IPC: H01L27/12 ; H01L21/762 ; H01L21/84 ; H01L29/66

Abstract:
A layer stack including a first bonding dielectric material layer, a dielectric metal oxide layer, and a second bonding dielectric material layer is formed over a top surface of a substrate including a substrate semiconductor layer. A conductive material layer is formed by depositing a conductive material over the second bonding dielectric material layer. The substrate semiconductor layer is thinned by removing portions of the substrate semiconductor layer that are distal from the layer stack, whereby a remaining portion of the substrate semiconductor layer includes a top semiconductor layer. A semiconductor device may be formed on the top semiconductor layer.
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