JP2020191637A - 散乱側面を備えた陥凹フレームを含む薄膜バルク弾性共振器 - Google Patents
散乱側面を備えた陥凹フレームを含む薄膜バルク弾性共振器 Download PDFInfo
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- JP2020191637A JP2020191637A JP2020088940A JP2020088940A JP2020191637A JP 2020191637 A JP2020191637 A JP 2020191637A JP 2020088940 A JP2020088940 A JP 2020088940A JP 2020088940 A JP2020088940 A JP 2020088940A JP 2020191637 A JP2020191637 A JP 2020191637A
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02086—Means for compensation or elimination of undesirable effects
- H03H9/0211—Means for compensation or elimination of undesirable effects of reflections
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0004—Impedance-matching networks
- H03H9/0014—Impedance-matching networks using bulk acoustic wave devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02086—Means for compensation or elimination of undesirable effects
- H03H9/02118—Means for compensation or elimination of undesirable effects of lateral leakage between adjacent resonators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
- H03H9/171—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
- H03H9/172—Means for mounting on a substrate, i.e. means constituting the material interface confining the waves to a volume
- H03H9/173—Air-gaps
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/56—Monolithic crystal filters
- H03H9/564—Monolithic crystal filters implemented with thin-film techniques
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/703—Networks using bulk acoustic wave devices
- H03H9/706—Duplexers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims (20)
- 薄膜バルク弾性波共振器(FBAR)であって、
起伏のある周縁を含む陥凹フレーム領域を含む、FBAR。 - 前記起伏のある周縁は前記陥凹フレーム領域の内側周縁である、請求項1のFBAR。
- 前記陥凹フレーム領域の外側周縁は起伏がない、請求項2のFBAR。
- 前記起伏のある周縁は前記陥凹フレーム領域の外側周縁である、請求項1のFBAR。
- 前記陥凹フレーム領域の内側周縁は起伏がない、請求項4のFBAR。
- 起伏のある周縁を含む隆起フレーム領域をさらに含む、請求項4のFBAR。
- 前記陥凹フレーム領域は、起伏のある内側周縁及び起伏のある外側周縁の双方を含む、請求項1のFBAR。
- 起伏のある周縁を含む隆起フレーム領域をさらに含む、請求項6のFBAR。
- 前記隆起フレーム領域は、起伏のある内側周縁を含む、請求項8のFBAR。
- 前記内側周縁の起伏は、前記外側周縁の起伏と同相である、請求項6のFBAR。
- 前記内側周縁の起伏は、前記外側周縁の起伏と位相がずれる、請求項6のFBAR。
- 起伏のある周縁を含む隆起フレーム領域をさらに含む、請求項11のFBAR。
- 前記隆起フレーム領域は、起伏のある内側周縁を含む、請求項12のFBAR。
- 前記周縁の起伏は周期的である、請求項1のFBAR。
- 前記周縁の起伏は非周期的である、請求項1のFBAR。
- 前記陥凹フレーム領域はアポダイズ状態である、請求項1のFBAR。
- 前記陥凹フレーム領域は非アポダイズ状態である、請求項1のFBAR。
- 無線周波数フィルタであって、
陥凹フレーム領域を有する薄膜バルク弾性波共振器(FBAR)を含み、
前記陥凹フレーム領域は、起伏のある周縁を含む、無線周波数フィルタ。 - 電子機器モジュールであって、
陥凹フレーム領域を有する薄膜バルク弾性波共振器(FBAR)を含む無線周波数フィルタを含み、
前記陥凹フレーム領域は、起伏のある周縁を含む、電子機器モジュール。 - 電子デバイスであって、
薄膜バルク弾性波共振器(FBAR)を有する無線周波数フィルタを含む電子機器モジュールを含み、
前記FBARは、起伏のある周縁を含む陥凹フレーム領域を有する、電子デバイス。
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US201962851844P | 2019-05-23 | 2019-05-23 | |
US62/851,844 | 2019-05-23 |
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JP2020191637A true JP2020191637A (ja) | 2020-11-26 |
JP2020191637A5 JP2020191637A5 (ja) | 2023-05-16 |
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JP2020088940A Pending JP2020191637A (ja) | 2019-05-23 | 2020-05-21 | 散乱側面を備えた陥凹フレームを含む薄膜バルク弾性共振器 |
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US (1) | US11595018B2 (ja) |
JP (1) | JP2020191637A (ja) |
SG (1) | SG10202004451PA (ja) |
Families Citing this family (5)
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KR20200030478A (ko) | 2018-09-12 | 2020-03-20 | 스카이워크스 글로벌 피티이. 엘티디. | 벌크 음향파 공진기를 위한 리세스 프레임 구조체 |
US11601112B2 (en) | 2019-05-24 | 2023-03-07 | Skyworks Global Pte. Ltd. | Bulk acoustic wave/film bulk acoustic wave resonator and filter for wide bandwidth applications |
US11601113B2 (en) | 2019-05-24 | 2023-03-07 | Skyworks Global Pte. Ltd. | Bulk acoustic wave/film bulk acoustic wave resonator and filter for wide bandwidth applications |
US11165410B2 (en) * | 2019-10-01 | 2021-11-02 | Avago Technologies International Sales Pte. Limited | Bulk acoustic wave resonator |
KR20210126966A (ko) * | 2020-04-13 | 2021-10-21 | 삼성전기주식회사 | 체적 음향 공진기 |
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US11601113B2 (en) | 2019-05-24 | 2023-03-07 | Skyworks Global Pte. Ltd. | Bulk acoustic wave/film bulk acoustic wave resonator and filter for wide bandwidth applications |
US11601112B2 (en) | 2019-05-24 | 2023-03-07 | Skyworks Global Pte. Ltd. | Bulk acoustic wave/film bulk acoustic wave resonator and filter for wide bandwidth applications |
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2020
- 2020-05-13 SG SG10202004451PA patent/SG10202004451PA/en unknown
- 2020-05-19 US US16/877,674 patent/US11595018B2/en active Active
- 2020-05-21 JP JP2020088940A patent/JP2020191637A/ja active Pending
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