JP7076576B2 - 半導体素子構造 - Google Patents
半導体素子構造 Download PDFInfo
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- JP7076576B2 JP7076576B2 JP2020562050A JP2020562050A JP7076576B2 JP 7076576 B2 JP7076576 B2 JP 7076576B2 JP 2020562050 A JP2020562050 A JP 2020562050A JP 2020562050 A JP2020562050 A JP 2020562050A JP 7076576 B2 JP7076576 B2 JP 7076576B2
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- H—ELECTRICITY
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
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- H10W20/032—Manufacture or treatment of conductive parts of the interconnections of conductive barrier, adhesion or liner layers
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
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- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/675—Group III-V materials, Group II-VI materials, Group IV-VI materials, selenium or tellurium
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- H10D1/60—Capacitors
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- H10D1/60—Capacitors
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- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/6737—Thin-film transistors [TFT] characterised by the electrodes characterised by the electrode materials
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- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/01—Manufacture or treatment
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- H10W20/023—Manufacture or treatment of interconnections within wafers or substrates the interconnections being through-semiconductor vias
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- H10W20/021—Manufacture or treatment of interconnections within wafers or substrates
- H10W20/023—Manufacture or treatment of interconnections within wafers or substrates the interconnections being through-semiconductor vias
- H10W20/0234—Manufacture or treatment of interconnections within wafers or substrates the interconnections being through-semiconductor vias comprising etching via holes that stop on pads or on electrodes
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W20/00—Interconnections in chips, wafers or substrates
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- H10W20/021—Manufacture or treatment of interconnections within wafers or substrates
- H10W20/023—Manufacture or treatment of interconnections within wafers or substrates the interconnections being through-semiconductor vias
- H10W20/0238—Manufacture or treatment of interconnections within wafers or substrates the interconnections being through-semiconductor vias comprising etching via holes through pads or through electrodes
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- H10W20/021—Manufacture or treatment of interconnections within wafers or substrates
- H10W20/023—Manufacture or treatment of interconnections within wafers or substrates the interconnections being through-semiconductor vias
- H10W20/0242—Manufacture or treatment of interconnections within wafers or substrates the interconnections being through-semiconductor vias comprising etching via holes from the back sides of the chips, wafers or substrates
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- H—ELECTRICITY
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/20—Interconnections within wafers or substrates, e.g. through-silicon vias [TSV]
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/05—Manufacture or treatment characterised by using material-based technologies using Group III-V technology
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
- H10D84/811—Combinations of field-effect devices and one or more diodes, capacitors or resistors
- H10D84/813—Combinations of field-effect devices and capacitor only
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- Power Engineering (AREA)
- Junction Field-Effect Transistors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
図1は、実施の形態1における半導体素子構造の構成を示す断面図である。図1に示すように、半導体素子構造101は、SiC基板1、SiC基板1の表面に形成されたGaN層2、GaN層2の表面に形成されたMIMキャパシタ3、MIMキャパシタ3のMIM構造の下側の金属層30を含むソース電極4、SiC基板1の裏面からソース電極4に達するビアホール5から構成される。
Claims (11)
- 表面にGaN層が積層されたSiC基板と、
前記GaN層の表面に形成されたソース電極と、
前記ソース電極の表面に形成されたMIMキャパシタと、
前記SiC基板の裏面から前記ソース電極に達するビアホールと
を備え、
前記ソース電極には、バリアメタル層が含まれ、
前記ビアホールの底は、前記ソース電極の裏面から前記バリアメタル層の裏面の間にあり、
前記バリアメタル層は、CrまたはVの少なくとも1を含むことを特徴とする半導体素子構造。 - 前記バリアメタル層は、Cr層とV層の二層からなることを特徴とする請求項1に記載の半導体素子構造。
- 前記バリアメタル層は、CrとVの混晶からなることを特徴とする請求項1に記載の半導体素子構造。
- 前記バリアメタル層は、Cr層、V層およびNi層の三層からなることを特徴とする請求項1に記載の半導体素子構造。
- 前記バリアメタル層は、Cr、VおよびNiの混晶からなることを特徴とする請求項1に記載の半導体素子構造。
- 前記MIMキャパシタは、前記ソース電極の表面に形成された第1の金属層と第2の金属層とで挟んだ絶縁膜であることを特徴とする請求項1から請求項5のいずれか1項に記載の半導体素子構造。
- 前記ソース電極は、前記GaN層の表面にTi層、前記バリアメタル層、Au層と順次積層されたことを特徴とする請求項6に記載の半導体素子構造。
- 前記ソース電極のAu層は、前記MIMキャパシタの第1の金属層を兼ねることを特徴とする請求項7に記載の半導体素子構造。
- 前記ソース電極の代わりに、ドレイン電極であることを特徴とする請求項1から請求項8のいずれか1項に記載の半導体素子構造。
- 表面にGaN層が積層されたSiC基板と、
前記GaN層の表面に形成されたソース電極と、
前記ソース電極の表面に形成されたMIMキャパシタと、
前記SiC基板の裏面から前記ソース電極に達するビアホールと
を備え、
前記ソース電極には、バリアメタル層が含まれ、
前記ビアホールの底は、前記ソース電極の裏面から前記バリアメタル層の裏面の間にあり、
前記ソース電極は、前記GaN層の表面にTi層、前記バリアメタル層、Au層と順次積層されたことを特徴とする半導体素子構造。 - 表面にGaN層が積層されたSiC基板と、
前記GaN層の表面に形成されたソース電極と、
前記ソース電極の表面に形成されたMIMキャパシタと、
前記SiC基板の裏面から前記ソース電極に達するビアホールと
を備え、
前記ソース電極には、バリアメタル層が含まれ、
前記ビアホールの底は、前記ソース電極の裏面から前記バリアメタル層の裏面の間にあり、
前記ソース電極のAu層は、前記MIMキャパシタの第1の金属層を兼ねることを特徴とする半導体素子構造。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2018/048157 WO2020136808A1 (ja) | 2018-12-27 | 2018-12-27 | 半導体素子構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2020136808A1 JPWO2020136808A1 (ja) | 2021-09-30 |
| JP7076576B2 true JP7076576B2 (ja) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020562050A Active JP7076576B2 (ja) | 2018-12-27 | 2018-12-27 | 半導体素子構造 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11881516B2 (ja) |
| JP (1) | JP7076576B2 (ja) |
| KR (1) | KR102600742B1 (ja) |
| WO (1) | WO2020136808A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025192219A1 (ja) * | 2024-03-11 | 2025-09-18 | ソニーセミコンダクタソリューションズ株式会社 | 容量素子、撮像素子 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001267331A (ja) | 2000-03-15 | 2001-09-28 | Hitachi Ltd | 半導体装置の製造方法 |
| JP2008108840A (ja) | 2006-10-24 | 2008-05-08 | Mitsubishi Electric Corp | 半導体装置 |
| JP2011192836A (ja) | 2010-03-15 | 2011-09-29 | Fujitsu Ltd | 半導体装置及びその製造方法 |
| JP2016046306A (ja) | 2014-08-20 | 2016-04-04 | 株式会社東芝 | 半導体装置および半導体装置の製造方法 |
| JP2016131183A (ja) | 2015-01-13 | 2016-07-21 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
| WO2018173275A1 (ja) | 2017-03-24 | 2018-09-27 | 三菱電機株式会社 | 半導体装置の製造方法および半導体装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04252038A (ja) * | 1991-01-28 | 1992-09-08 | Nec Yamagata Ltd | 半導体装置 |
| JP2006156716A (ja) | 2004-11-30 | 2006-06-15 | Renesas Technology Corp | 半導体装置およびその製造方法 |
| DE102005042074A1 (de) | 2005-08-31 | 2007-03-08 | Forschungsverbund Berlin E.V. | Verfahren zur Erzeugung von Durchkontaktierungen in Halbleiterwafern |
| US9871107B2 (en) * | 2015-05-22 | 2018-01-16 | Nxp Usa, Inc. | Device with a conductive feature formed over a cavity and method therefor |
| KR101772815B1 (ko) | 2016-04-25 | 2017-08-29 | 고려대학교 산학협력단 | 고효율 Ga-polar 수직 발광 다이오드 소자 및 그 제조방법 |
-
2018
- 2018-12-27 JP JP2020562050A patent/JP7076576B2/ja active Active
- 2018-12-27 US US17/287,709 patent/US11881516B2/en active Active
- 2018-12-27 WO PCT/JP2018/048157 patent/WO2020136808A1/ja not_active Ceased
- 2018-12-27 KR KR1020217017619A patent/KR102600742B1/ko active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001267331A (ja) | 2000-03-15 | 2001-09-28 | Hitachi Ltd | 半導体装置の製造方法 |
| JP2008108840A (ja) | 2006-10-24 | 2008-05-08 | Mitsubishi Electric Corp | 半導体装置 |
| JP2011192836A (ja) | 2010-03-15 | 2011-09-29 | Fujitsu Ltd | 半導体装置及びその製造方法 |
| JP2016046306A (ja) | 2014-08-20 | 2016-04-04 | 株式会社東芝 | 半導体装置および半導体装置の製造方法 |
| JP2016131183A (ja) | 2015-01-13 | 2016-07-21 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
| WO2018173275A1 (ja) | 2017-03-24 | 2018-09-27 | 三菱電機株式会社 | 半導体装置の製造方法および半導体装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2020136808A1 (ja) | 2021-09-30 |
| US20210384312A1 (en) | 2021-12-09 |
| WO2020136808A1 (ja) | 2020-07-02 |
| US11881516B2 (en) | 2024-01-23 |
| KR20210089730A (ko) | 2021-07-16 |
| KR102600742B1 (ko) | 2023-11-09 |
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