JP2020057654A - 圧電デバイス、及び圧電デバイスの製造方法 - Google Patents
圧電デバイス、及び圧電デバイスの製造方法 Download PDFInfo
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- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
- C23C14/086—Oxides of zinc, germanium, cadmium, indium, tin, thallium or bismuth
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
- H10N30/308—Membrane type
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/05—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes
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- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/07—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base
- H10N30/072—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by laminating or bonding of piezoelectric or electrostrictive bodies
- H10N30/073—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by laminating or bonding of piezoelectric or electrostrictive bodies by fusion of metals or by adhesives
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- H10N30/01—Manufacture or treatment
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- H10N30/074—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing
- H10N30/079—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base by depositing piezoelectric or electrostrictive layers, e.g. aerosol or screen printing using intermediate layers, e.g. for growth control
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Abstract
Description
第1の導電膜と、
無機材料の圧電体層と、
粘着層と、
第2の導電膜
がこの順で配置されている。
第1基材の上に第1の導電膜と無機材料の圧電体層がこの順で積層された第1部分と、第2基材の上に第2の導電膜が形成された第2部分を作製し、
前記圧電体層と前記第2の導電膜を対向させて、前記第1部分と前記第2部分を粘着層で貼り合わせる工程を含む。
<変形例>
図3は、変形例として、圧電デバイス10Bを示す。圧電デバイス10Bは、圧電体層13の下地層として、非晶質の配向制御層17を有する。圧電デバイス10Bは、基材11の上に、導電膜12、配向制御層17、圧電体層13、粘着層14、導電膜15、及び基材16がこの順で配置されている。圧電体層13と導電膜15の間に粘着層14を配置することで、導電膜15と導電膜12の間にリークパスが形成されることを抑制する。圧電体層13の下地に、非晶質の配向制御層17を配置することで、圧電体層の結晶配向性を向上する。
11 基材(第1基材)、
12 導電膜(第1の導電膜)
13 圧電体層
14 粘着層
15 導電膜(第2の導電膜)
16 基材(第2基材)
17 配向制御層
101、201 第1部分
102、202 第2部分
Claims (10)
- 第1基材の上に、
第1の導電膜と、
無機材料の圧電体層と、
粘着層と、
第2の導電膜
がこの順で配置されている圧電デバイス。 - 前記第1の導電膜と前記圧電体層の間に配置される配向制御層、
をさらに有することを特徴とする請求項1に記載の圧電デバイス。 - 前記圧電体層はウルツ鉱型の結晶構造を有することを特徴とする請求項1または2に記載の圧電デバイス。
- 前記圧電体層の厚さは50nm〜400nmであることを特徴とする請求項1〜3のいずれか1項に記載の圧電デバイス。
- 積層方向で前記第2の導電膜の上に配置される第2基材、
をさらに有し、
前記第1基材と前記第1の導電膜と前記圧電体層を含む第1部分と、前記第2基材と前記第2の導電膜を含む第2部分が前記粘着層で貼り合わせられていることを特徴とする請求項1〜4のいずれか1項に記載の圧電デバイス。 - 前記粘着層は導電性の粘着層であることを特徴とする請求項1〜5のいずれか1項に記載の圧電デバイス。
- 前記第2の導電膜は透明電極膜であり、
前記粘着層は、絶縁性または導電性の透明粘着層であることを特徴とする請求項1〜5のいずれか1項に記載の圧電デバイス。 - 第1基材の上に第1の導電膜と無機材料の圧電体層がこの順で積層された第1部分と、第2基材の上に第2の導電膜が形成された第2部分を作製し、
前記圧電体層と前記第2の導電膜を対向させて、前記第1部分と前記第2部分を粘着層で貼り合わせる、
ことを特徴とする圧電デバイスの製造方法。 - 前記第2部分を、前記第2基材の上に前記第2の導電膜と前記粘着層をこの順に配置して作製し、
前記圧電体層と前記粘着層を対向させて、前記第1部分と前記第2部分を前記粘着層で貼り合わせることを特徴とする請求項8に記載の圧電デバイスの製造方法。 - 前記第1部分の作製は、前記第1の導電膜と前記圧電体層の間に配向制御層を形成する工程を含むことを特徴とする請求項8または9に記載の圧電デバイスの製造方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2018185551A JP7501990B2 (ja) | 2018-09-28 | 2018-09-28 | 圧電デバイス、及び圧電デバイスの製造方法 |
EP19865475.8A EP3859803A4 (en) | 2018-09-28 | 2019-09-20 | PIEZOELECTRIC DEVICE AND METHOD FOR MAKING PIEZOELECTRIC DEVICE |
KR1020217008525A KR20210039488A (ko) | 2018-09-28 | 2019-09-20 | 압전 디바이스 및 압전 디바이스 제조 방법 |
US17/279,943 US20210343927A1 (en) | 2018-09-28 | 2019-09-20 | Piezoelectric device and method of manufacturing the same |
PCT/JP2019/037081 WO2020066936A1 (ja) | 2018-09-28 | 2019-09-20 | 圧電デバイス、及び圧電デバイスの製造方法 |
CN201980062415.2A CN112740430A (zh) | 2018-09-28 | 2019-09-20 | 压电器件及压电器件的制造方法 |
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EP (1) | EP3859803A4 (ja) |
JP (1) | JP7501990B2 (ja) |
KR (1) | KR20210039488A (ja) |
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WO2023223815A1 (ja) * | 2022-05-16 | 2023-11-23 | Agc株式会社 | 圧電積層体、圧電素子、および圧電積層体の製造方法 |
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- 2019-09-20 CN CN201980062415.2A patent/CN112740430A/zh active Pending
- 2019-09-20 KR KR1020217008525A patent/KR20210039488A/ko not_active Application Discontinuation
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EP3859803A1 (en) | 2021-08-04 |
KR20210039488A (ko) | 2021-04-09 |
CN112740430A (zh) | 2021-04-30 |
JP7501990B2 (ja) | 2024-06-18 |
EP3859803A4 (en) | 2022-07-06 |
US20210343927A1 (en) | 2021-11-04 |
WO2020066936A1 (ja) | 2020-04-02 |
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