KR20130091658A - 광대역 음향 결합 박막 baw 필터 - Google Patents
광대역 음향 결합 박막 baw 필터 Download PDFInfo
- Publication number
- KR20130091658A KR20130091658A KR1020127030465A KR20127030465A KR20130091658A KR 20130091658 A KR20130091658 A KR 20130091658A KR 1020127030465 A KR1020127030465 A KR 1020127030465A KR 20127030465 A KR20127030465 A KR 20127030465A KR 20130091658 A KR20130091658 A KR 20130091658A
- Authority
- KR
- South Korea
- Prior art keywords
- wave
- acoustic
- modes
- filter
- piezoelectric layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02228—Guided bulk acoustic wave devices or Lamb wave devices having interdigital transducers situated in parallel planes on either side of a piezoelectric layer
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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 elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of 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 elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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
- H03H9/175—Acoustic mirrors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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
- H03H9/177—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator of the energy-trap type
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/205—Constructional features of resonators consisting of piezoelectric or electrostrictive material having multiple resonators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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 elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/58—Multiple crystal filters
- H03H9/582—Multiple crystal filters implemented with thin-film techniques
- H03H9/583—Multiple crystal filters implemented with thin-film techniques comprising a plurality of piezoelectric layers acoustically coupled
- H03H9/584—Coupled Resonator Filters [CFR]
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
- H03H2003/0414—Resonance frequency
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
- H03H9/0095—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output 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 elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02086—Means for compensation or elimination of undesirable effects
- H03H9/02125—Means for compensation or elimination of undesirable effects of parasitic elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
Landscapes
- 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)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
| 재료 | SiO2 | W | SiO2 | W | SiO2 | Ti | Mo | AlN | Al |
| 두께 (㎚) |
790 | 505 | 620 | 510 | 950 | 10 | 360 | 1750 | 220 |
도 2a-2b는 한정 폭(W)을 갖는 플레이트에서의 1차 두께 확장 진동 모드(TE1 판파 모드)에 대한 2개의 측면 정상파 공진을 도시한다.
도 2c-2d는 한정 폭(W)을 갖는 플레이트에서의 2차 두께 전단 진동 모드(TS2 판파 모드)에 대한 2개의 측면 정상파 공진을 도시한다.
도 3은 종축 TE1 및 전단 TS2 모드에 대한 시뮬레이션된 분산도를 도시한다.
도 4는 2-전극 SMR LCRF 구조의 개략 단면도를 도시한다.
도 5는 인터디지털 변환기를 도시한다.
도 6은 멤브레인 타입의 LCRF 공진기의 개략 단면도를 도시한다.
도 7a는 박막 스택의 시뮬레이션된 분산 특성을 도시하며, TE1 및 TS2 판파 모드 및 2-전극 구조에 대한 각각 짝수 및 홀수 측면 공진을 개략적으로 도시한다.
도 7b는 도 7a의 짝수 및 홀수 모드를 더 도시한다.
도 8은 2개의 서로 다른 TE1 및 TS2 판파 모드에 대해 발생하는 4개의 측면 정상파 공진의 조합으로서의 통과 대역 응답을 도시한다.
도 9는 시뮬레이션된 분산도를 도시한다.
| 층 | SiO2 | W | SiO2 | W | SiO2 | Mo | AlN | Al |
| 두께 (㎚) |
790 | 505 | 621 | 507 | 950 | 360 | 1750 | 220 |
Claims (17)
- 적어도 하나의 압전층(piezoelectric layer)을 포함하는, 음향 필터에 적합한 재료의 스택(stack),
사이에 폭과 틈새를 갖는 적어도 2개의 공진기로서, 상기 압전층의 서로 다른측에 전극을 가지며, 상기 압전층의 적어도 일측 상의 전극이 분리되어 적어도 2개의 공진기 영역을 형성하는 공진기를 포함하는 음향 필터로서,
상기 재료의 스택, 분리된 전극 사이의 폭 및 틈새는, 상기 음향 필터에서 각각 적어도 하나의 측면 정상파 공진(lateral standing wave resonance)을 제공하는 적어도 2개의 서로 다른 음향 판파 모드(plate wave mode)를 생성하도록 조정되는 것을 특징으로 하는, 음향 필터. - 제 1 항에 있어서,
상기 압전층의 일측 상의 전극만 분리되어 적어도 2개의 공진기 영역을 형성하며, 상기 압전층의 타측 상에는 연속 전극이 설치되어 있는, 음향 필터. - 제 1 항에 있어서,
상기 압전층의 양측 상의 전극이 분리되어 적어도 2개의 공진기 영역을 형성하는, 음향 필터. - 제 3 항에 있어서,
적어도 2개의 전극은 전기적으로 접속되어 안정된 전기 포트를 제공하는, 음향 필터. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 음향 필터에서 총 적어도 3개의 측면 정상파 공진을 갖는 적어도 2개의 서로 다른 판파 모드를 포착하도록 구조가 조정되는, 음향 필터. - 제 5 항에 있어서,
상기 적어도 3개의 측면 정상파 공진 중 적어도 2개는 하나의 판파 모드에 대해 발생하며, 상기 적어도 3개의 측면 정상파 공진 중 적어도 하나는 또 다른 판파 모드에 대해 발생하는, 음향 필터. - 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 음향 필터에서 총 적어도 4개의 측면 정상파 공진을 갖는 적어도 2개의 서로 다른 판파 모드를 포착하도록 구조가 조정되는, 음향 필터. - 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,
상기 적어도 2개의 서로 다른 음향 판파 모드는 적어도 하나의 종축 모드(longitudinal mode) 및 적어도 하나의 전단 모드(shear mode)를 포함하는, 음향 필터. - 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,
적층 배치된 적어도 2개의 압전층을 포함하는, 음향 필터. - 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
상기 압전층(들)은 수직 방향으로 c-축을 갖는 6㎜의 대칭 그룹으로부터 선택되는, 음향 필터. - 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
상기 압전층(들)은 c-축이 경사 배향된 6㎜의 대칭 그룹으로부터 선택되는, 음향 필터. - 제 11 항에 있어서,
수직 전기장이 종축 음향파 및 전단파 모두에 결합되어 있는, 음향 필터. - 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
압전층의 대칭 그룹 및 결정 배향은, 종축 및 전단 음향 두께 모드 모두에서 수직 전기장과 고유 결합을 형성하도록 선택되는, 음향 필터. - 제 1 항 내지 제 13 항 중 어느 한 항에 있어서,
상기 압전층은 AlN 또는 ZnO로 형성되는, 음향 필터. - 필터용 구조 설계 및 재료를 선택하는 단계,
원하는 중심 주파수 및 대역폭을 설계하는 단계를 포함하는, 음향 광대역 필터를 제조하는 방법으로서,
사이에 폭 및 틈새를 갖는 한 쌍의 공진기에 따라 선택된 구조 설계 및 재료를 이용하여 스택을 설계함으로써, 총 적어도 2개의 공진을 갖는 적어도 2개의 서로 다른 측면 전파 두께 진동 판파 모드에 대한 결합이 달성되는 단계, 및
설계된 필터 스택을 제조함으로써, 총 적어도 2개의 공진을 갖는 상기 적어도 2개의 서로 다른 측면 전파 두께 진동 판파 모드를 결합하는 단계를 포함하는 것을 특징으로 하는 음향 광대역 필터를 제조하는 방법. - 제 15 항에 있어서,
상기 설계된 중심 주파수가 상기 적어도 2개의 서로 다른 판파 모드의 개시(onset) 주파수 사이이며, 상기 2개의 서로 다른 플레이트 모드의 개시 주파수 사이의 주파수 차이가 바람직한 대역폭의 대략 1/3이 되도록 상기 스택을 설계하는 단계를 포함하는, 음향 광대역 필터를 제조하는 방법. - 제 15 항 또는 제 16 항에 기재된 방법으로 제조된, 필터.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20105443A FI123640B (fi) | 2010-04-23 | 2010-04-23 | Laajakaistainen akustisesti kytketty ohutkalvo-BAW-suodin |
| FI20105443 | 2010-04-23 | ||
| PCT/FI2011/050368 WO2011131844A1 (en) | 2010-04-23 | 2011-04-21 | Wide-band acoustically coupled thin-film baw filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20130091658A true KR20130091658A (ko) | 2013-08-19 |
| KR101764787B1 KR101764787B1 (ko) | 2017-08-03 |
Family
ID=42133284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020127030465A Active KR101764787B1 (ko) | 2010-04-23 | 2011-04-21 | 광대역 음향 결합 박막 baw 필터 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US9294069B2 (ko) |
| EP (1) | EP2561613B1 (ko) |
| JP (1) | JP5709226B2 (ko) |
| KR (1) | KR101764787B1 (ko) |
| CN (1) | CN102870325B (ko) |
| FI (1) | FI123640B (ko) |
| WO (1) | WO2011131844A1 (ko) |
Families Citing this family (222)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI123640B (fi) * | 2010-04-23 | 2013-08-30 | Teknologian Tutkimuskeskus Vtt | Laajakaistainen akustisesti kytketty ohutkalvo-BAW-suodin |
| FI124732B (en) * | 2011-11-11 | 2014-12-31 | Teknologian Tutkimuskeskus Vtt | Lateral connected bulk wave filter with improved passband characteristics |
| US9093979B2 (en) | 2012-06-05 | 2015-07-28 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Laterally-coupled acoustic resonators |
| DE102012111889B9 (de) * | 2012-12-06 | 2014-09-04 | Epcos Ag | Elektroakustischer Wandler |
| WO2016047255A1 (ja) * | 2014-09-26 | 2016-03-31 | 国立大学法人東北大学 | 弾性波装置 |
| CN107925396B (zh) * | 2015-09-09 | 2021-06-18 | 株式会社村田制作所 | 弹性波装置 |
| CN108463720B (zh) * | 2015-10-21 | 2021-03-23 | Qorvo美国公司 | 具有声学振动的剪切模式和纵向模式的增强反射的谐振器结构 |
| US11039814B2 (en) | 2016-12-04 | 2021-06-22 | Exo Imaging, Inc. | Imaging devices having piezoelectric transducers |
| US11323089B2 (en) | 2018-06-15 | 2022-05-03 | Resonant Inc. | Filter using piezoelectric film bonded to high resistivity silicon substrate with trap-rich layer |
| US12040779B2 (en) | 2020-04-20 | 2024-07-16 | Murata Manufacturing Co., Ltd. | Small transversely-excited film bulk acoustic resonators with enhanced Q-factor |
| US12237826B2 (en) | 2018-06-15 | 2025-02-25 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitch |
| US10637438B2 (en) | 2018-06-15 | 2020-04-28 | Resonant Inc. | Transversely-excited film bulk acoustic resonators for high power applications |
| US10790802B2 (en) | 2018-06-15 | 2020-09-29 | Resonant Inc. | Transversely excited film bulk acoustic resonator using rotated Y-X cut lithium niobate |
| US11323090B2 (en) | 2018-06-15 | 2022-05-03 | Resonant Inc. | Transversely-excited film bulk acoustic resonator using Y-X-cut lithium niobate for high power applications |
| US12088281B2 (en) | 2021-02-03 | 2024-09-10 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with multi-mark interdigital transducer |
| US11996827B2 (en) | 2018-06-15 | 2024-05-28 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with periodic etched holes |
| US11206009B2 (en) | 2019-08-28 | 2021-12-21 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with interdigital transducer with varied mark and pitch |
| US10491192B1 (en) * | 2018-06-15 | 2019-11-26 | Resonant Inc. | Transversely-excited film bulk acoustic resonator |
| US11323096B2 (en) | 2018-06-15 | 2022-05-03 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with periodic etched holes |
| US10601392B2 (en) | 2018-06-15 | 2020-03-24 | Resonant Inc. | Solidly-mounted transversely-excited film bulk acoustic resonator |
| US11146232B2 (en) | 2018-06-15 | 2021-10-12 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with reduced spurious modes |
| US11936358B2 (en) | 2020-11-11 | 2024-03-19 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with low thermal impedance |
| US11929731B2 (en) | 2018-02-18 | 2024-03-12 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with optimized electrode mark, and pitch |
| US10911023B2 (en) | 2018-06-15 | 2021-02-02 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with etch-stop layer |
| US11509279B2 (en) | 2020-07-18 | 2022-11-22 | Resonant Inc. | Acoustic resonators and filters with reduced temperature coefficient of frequency |
| US10756697B2 (en) | 2018-06-15 | 2020-08-25 | Resonant Inc. | Transversely-excited film bulk acoustic resonator |
| US12132464B2 (en) | 2018-06-15 | 2024-10-29 | Murata Manufacturing Co., Ltd. | Filter using transversely-excited film bulk acoustic resonators with divided frequency-setting dielectric layers |
| US11374549B2 (en) | 2018-06-15 | 2022-06-28 | Resonant Inc. | Filter using transversely-excited film bulk acoustic resonators with divided frequency-setting dielectric layers |
| US10985728B2 (en) | 2018-06-15 | 2021-04-20 | Resonant Inc. | Transversely-excited film bulk acoustic resonator and filter with a uniform-thickness dielectric overlayer |
| US12218650B2 (en) | 2018-06-15 | 2025-02-04 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator |
| US12463619B2 (en) | 2018-06-15 | 2025-11-04 | Murata Manufacturing Co., Ltd. | Filter device |
| US12040781B2 (en) | 2018-06-15 | 2024-07-16 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator package |
| US12244295B2 (en) | 2018-06-15 | 2025-03-04 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with two-layer electrodes having a narrower top layer |
| US11901878B2 (en) | 2018-06-15 | 2024-02-13 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with two-layer electrodes with a wider top layer |
| US12237827B2 (en) | 2018-06-15 | 2025-02-25 | Murata Manufacturing Co., Ltd. | Solidly-mounted transversely-excited film bulk acoustic filters with multiple piezoelectric plate thicknesses |
| US11967945B2 (en) | 2018-06-15 | 2024-04-23 | Murata Manufacturing Co., Ltd. | Transversly-excited film bulk acoustic resonators and filters |
| US10917072B2 (en) | 2019-06-24 | 2021-02-09 | Resonant Inc. | Split ladder acoustic wave filters |
| US12119805B2 (en) | 2018-06-15 | 2024-10-15 | Murata Manufacturing Co., Ltd. | Substrate processing and membrane release of transversely-excited film bulk acoustic resonator using a sacrificial tub |
| US12301212B2 (en) | 2018-06-15 | 2025-05-13 | Murata Manufacturing Co., Ltd. | XBAR resonators with non-rectangular diaphragms |
| US12155374B2 (en) | 2021-04-02 | 2024-11-26 | Murata Manufacturing Co., Ltd. | Tiled transversely-excited film bulk acoustic resonator high power filters |
| US11201601B2 (en) | 2018-06-15 | 2021-12-14 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication method |
| US11228296B2 (en) | 2018-06-15 | 2022-01-18 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with a cavity having a curved perimeter |
| US10797675B2 (en) | 2018-06-15 | 2020-10-06 | Resonant Inc. | Transversely excited film bulk acoustic resonator using rotated z-cut lithium niobate |
| US11909381B2 (en) | 2018-06-15 | 2024-02-20 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with two-layer electrodes having a narrower top layer |
| US11264966B2 (en) | 2018-06-15 | 2022-03-01 | Resonant Inc. | Solidly-mounted transversely-excited film bulk acoustic resonator with diamond layers in Bragg reflector stack |
| US11728785B2 (en) | 2018-06-15 | 2023-08-15 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator using pre-formed cavities |
| US12224732B2 (en) | 2018-06-15 | 2025-02-11 | Murata Manufacturing Co., Ltd. | Solidly-mounted transversely-excited film bulk acoustic resonators and filters for 27 GHz communications bands |
| US11146238B2 (en) | 2018-06-15 | 2021-10-12 | Resonant Inc. | Film bulk acoustic resonator fabrication method |
| US12095446B2 (en) | 2018-06-15 | 2024-09-17 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitch |
| US11996822B2 (en) | 2018-06-15 | 2024-05-28 | Murata Manufacturing Co., Ltd. | Wide bandwidth time division duplex transceiver |
| US11949402B2 (en) | 2020-08-31 | 2024-04-02 | Murata Manufacturing Co., Ltd. | Resonators with different membrane thicknesses on the same die |
| US12155371B2 (en) | 2021-03-29 | 2024-11-26 | Murata Manufacturing Co., Ltd. | Layout of xbars with multiple sub-resonators in series |
| US11171629B2 (en) | 2018-06-15 | 2021-11-09 | Resonant Inc. | Transversely-excited film bulk acoustic resonator using pre-formed cavities |
| US10819309B1 (en) | 2019-04-05 | 2020-10-27 | Resonant Inc. | Transversely-excited film bulk acoustic resonator package and method |
| US12184261B2 (en) | 2018-06-15 | 2024-12-31 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with a cavity having round end zones |
| US10992283B2 (en) | 2018-06-15 | 2021-04-27 | Resonant Inc. | High power transversely-excited film bulk acoustic resonators on rotated Z-cut lithium niobate |
| US12375056B2 (en) | 2018-06-15 | 2025-07-29 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators |
| US11870423B2 (en) | 2018-06-15 | 2024-01-09 | Murata Manufacturing Co., Ltd. | Wide bandwidth temperature-compensated transversely-excited film bulk acoustic resonator |
| US11329628B2 (en) | 2020-06-17 | 2022-05-10 | Resonant Inc. | Filter using lithium niobate and lithium tantalate transversely-excited film bulk acoustic resonators |
| US11323091B2 (en) | 2018-06-15 | 2022-05-03 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with diaphragm support pedestals |
| US10826462B2 (en) | 2018-06-15 | 2020-11-03 | Resonant Inc. | Transversely-excited film bulk acoustic resonators with molybdenum conductors |
| US11323095B2 (en) | 2018-06-15 | 2022-05-03 | Resonant Inc. | Rotation in XY plane to suppress spurious modes in XBAR devices |
| US11349452B2 (en) | 2018-06-15 | 2022-05-31 | Resonant Inc. | Transversely-excited film bulk acoustic filters with symmetric layout |
| US12009798B2 (en) | 2018-06-15 | 2024-06-11 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with electrodes having irregular hexagon cross-sectional shapes |
| US11349450B2 (en) | 2018-06-15 | 2022-05-31 | Resonant Inc. | Symmetric transversely-excited film bulk acoustic resonators with reduced spurious modes |
| US12283944B2 (en) | 2018-06-15 | 2025-04-22 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with recessed rotated-Y-X cut lithium niobate |
| US10992284B2 (en) | 2018-06-15 | 2021-04-27 | Resonant Inc. | Filter using transversely-excited film bulk acoustic resonators with multiple frequency setting layers |
| US11916539B2 (en) | 2020-02-28 | 2024-02-27 | Murata Manufacturing Co., Ltd. | Split-ladder band N77 filter using transversely-excited film bulk acoustic resonators |
| US12212306B2 (en) | 2018-06-15 | 2025-01-28 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication method |
| US12170516B2 (en) | 2018-06-15 | 2024-12-17 | Murata Manufacturing Co., Ltd. | Filters using transversly-excited film bulk acoustic resonators with frequency-setting dielectric layers |
| US11876498B2 (en) | 2018-06-15 | 2024-01-16 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication method |
| US10998882B2 (en) | 2018-06-15 | 2021-05-04 | Resonant Inc. | XBAR resonators with non-rectangular diaphragms |
| US12081187B2 (en) | 2018-06-15 | 2024-09-03 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator |
| US12095441B2 (en) | 2018-06-15 | 2024-09-17 | Murata Manufacturing Co., Ltd. | Transversely excited film bulk acoustic resonator with recessed interdigital transducer fingers |
| US12119808B2 (en) | 2018-06-15 | 2024-10-15 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator package |
| US11996825B2 (en) | 2020-06-17 | 2024-05-28 | Murata Manufacturing Co., Ltd. | Filter using lithium niobate and rotated lithium tantalate transversely-excited film bulk acoustic resonators |
| US12191837B2 (en) | 2018-06-15 | 2025-01-07 | Murata Manufacturing Co., Ltd. | Solidly-mounted transversely-excited film bulk acoustic device |
| US12149227B2 (en) | 2018-06-15 | 2024-11-19 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator package |
| US11888463B2 (en) | 2018-06-15 | 2024-01-30 | Murata Manufacturing Co., Ltd. | Multi-port filter using transversely-excited film bulk acoustic resonators |
| US12113512B2 (en) | 2021-03-29 | 2024-10-08 | Murata Manufacturing Co., Ltd. | Layout of XBARs with multiple sub-resonators in parallel |
| US10998877B2 (en) | 2018-06-15 | 2021-05-04 | Resonant Inc. | Film bulk acoustic resonator fabrication method with frequency trimming based on electric measurements prior to cavity etch |
| US12021496B2 (en) | 2020-08-31 | 2024-06-25 | Murata Manufacturing Co., Ltd. | Resonators with different membrane thicknesses on the same die |
| US10868513B2 (en) | 2018-06-15 | 2020-12-15 | Resonant Inc. | Transversely-excited film bulk acoustic filters with symmetric layout |
| US12191838B2 (en) | 2018-06-15 | 2025-01-07 | Murata Manufacturing Co., Ltd. | Solidly-mounted transversely-excited film bulk acoustic device and method |
| US11738539B2 (en) | 2018-07-17 | 2023-08-29 | II-VI Delaware, Inc | Bonded substrate including polycrystalline diamond film |
| DE102019115589B4 (de) | 2018-07-17 | 2024-06-13 | Ii-Vi Delaware, Inc. | Elektrodenbegrenzter resonator |
| US11750169B2 (en) | 2018-07-17 | 2023-09-05 | Ii-Vi Delaware, Inc. | Electrode-defined unsuspended acoustic resonator |
| US12076973B2 (en) | 2018-07-17 | 2024-09-03 | Ii-Vi Delaware, Inc. | Bonded substrate including polycrystalline diamond film |
| US11121696B2 (en) * | 2018-07-17 | 2021-09-14 | Ii-Vi Delaware, Inc. | Electrode defined resonator |
| US10790801B2 (en) | 2018-09-07 | 2020-09-29 | Vtt Technical Research Centre Of Finland Ltd | Loaded resonators for adjusting frequency response of acoustic wave resonators |
| US10630256B2 (en) | 2018-09-07 | 2020-04-21 | Vtt Technical Research Centre Of Finland Ltd | Two-stage lateral bulk acoustic wave filter |
| US10756696B2 (en) * | 2018-09-10 | 2020-08-25 | Vtt Technical Research Centre Of Finland Ltd | Lateral bulk acoustic wave filter |
| EP3857308A4 (en) | 2018-09-25 | 2022-06-08 | Exo Imaging Inc. | IMAGING DEVICES WITH SELECTIVELY VARIABLE PROPERTIES |
| DE112019005403T5 (de) | 2018-10-31 | 2021-07-15 | Resonant Inc. | Fest montierter transversal angeregter akustischer filmvolumenresonator |
| WO2020139775A1 (en) | 2018-12-27 | 2020-07-02 | Exo Imaging, Inc. | Methods to maintain image quality in ultrasound imaging at reduced cost, size, and power |
| US11146241B2 (en) * | 2019-02-08 | 2021-10-12 | Vtt Technical Research Centre Of Finland Ltd | Low loss acoustic device |
| US11901873B2 (en) | 2019-03-14 | 2024-02-13 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with partial BRAGG reflectors |
| CN113615083B (zh) | 2019-03-14 | 2024-10-15 | 株式会社村田制作所 | 带有半λ介电层的横向激励的薄膜体声学谐振器 |
| TWI810698B (zh) * | 2019-06-12 | 2023-08-01 | 美商特拉華公司 | 電極界定未懸掛之聲波共振器 |
| US10911021B2 (en) | 2019-06-27 | 2021-02-02 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with lateral etch stop |
| US12034423B2 (en) | 2019-06-27 | 2024-07-09 | Murata Manufacturing Co., Ltd | XBAR frontside etch process using polysilicon sacrificial layer |
| US10862454B1 (en) | 2019-07-18 | 2020-12-08 | Resonant Inc. | Film bulk acoustic resonators in thin LN-LT layers |
| US11329625B2 (en) | 2019-07-18 | 2022-05-10 | Resonant Inc. | Film bulk acoustic sensors using thin LN-LT layer |
| JP7527604B2 (ja) * | 2019-08-08 | 2024-08-05 | 国立大学法人東北大学 | 弾性波デバイス |
| US11088670B2 (en) | 2019-09-11 | 2021-08-10 | Vtt Technical Research Centre Of Finland Ltd | Loaded series resonators for adjusting frequency response of acoustic wave resonators |
| WO2021060522A1 (ja) * | 2019-09-27 | 2021-04-01 | 株式会社村田製作所 | 弾性波装置 |
| CN114430885A (zh) * | 2019-09-27 | 2022-05-03 | 株式会社村田制作所 | 弹性波装置以及滤波器装置 |
| CN114467254A (zh) * | 2019-09-27 | 2022-05-10 | 株式会社村田制作所 | 弹性波装置 |
| CN114424457A (zh) * | 2019-09-27 | 2022-04-29 | 株式会社村田制作所 | 弹性波装置 |
| CN114424458A (zh) * | 2019-09-27 | 2022-04-29 | 株式会社村田制作所 | 弹性波装置 |
| CN114467258A (zh) | 2019-09-27 | 2022-05-10 | 株式会社村田制作所 | 弹性波装置 |
| WO2021060512A1 (ja) | 2019-09-27 | 2021-04-01 | 株式会社村田製作所 | 弾性波装置 |
| KR102892998B1 (ko) | 2019-09-27 | 2025-11-28 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 장치 |
| CN114467257A (zh) * | 2019-09-27 | 2022-05-10 | 株式会社村田制作所 | 弹性波装置 |
| US11223341B2 (en) * | 2019-10-22 | 2022-01-11 | Vtt Technical Research Centre Of Finland Ltd | Suppressing parasitic sidebands in lateral bulk acoustic wave resonators |
| JP2021078013A (ja) * | 2019-11-09 | 2021-05-20 | 株式会社弾性波デバイスラボ | 弾性波素子およびその製造方法 |
| US12255625B2 (en) | 2020-02-28 | 2025-03-18 | Murata Manufacturing Co., Ltd. | Filter using transversely-excited film bulk acoustic resonators with inductively coupled sub-resonators |
| WO2021172032A1 (ja) * | 2020-02-28 | 2021-09-02 | 国立大学法人東北大学 | 弾性波デバイス |
| US12506462B2 (en) | 2020-02-28 | 2025-12-23 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with multi-pitch interdigital transducer |
| CN113795789B (zh) | 2020-03-05 | 2022-10-25 | 艾科索成像公司 | 具有可编程解剖和流成像的超声成像装置 |
| KR102414496B1 (ko) * | 2020-03-16 | 2022-06-28 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 장치 |
| WO2021187537A1 (ja) * | 2020-03-18 | 2021-09-23 | 株式会社村田製作所 | 弾性波装置 |
| JP6947867B2 (ja) * | 2020-03-24 | 2021-10-13 | デクセリアルズ株式会社 | バルク波共振子および帯域通過フィルタ |
| WO2021200835A1 (ja) * | 2020-03-30 | 2021-10-07 | 株式会社村田製作所 | 弾性波装置 |
| US12341490B2 (en) | 2020-04-20 | 2025-06-24 | Murata Manufacturing Co., Ltd. | Low loss transversely-excited film bulk acoustic resonators and filters |
| US12341493B2 (en) | 2020-04-20 | 2025-06-24 | Murata Manufacturing Co., Ltd. | Low loss transversely-excited film bulk acoustic resonators and filters |
| US12278617B2 (en) | 2020-04-20 | 2025-04-15 | Murata Manufacturing Co., Ltd. | High Q solidly-mounted transversely-excited film bulk acoustic resonators |
| WO2021221162A1 (ja) | 2020-04-30 | 2021-11-04 | 株式会社村田製作所 | 弾性波装置 |
| US11811391B2 (en) | 2020-05-04 | 2023-11-07 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with etched conductor patterns |
| US11469733B2 (en) | 2020-05-06 | 2022-10-11 | Resonant Inc. | Transversely-excited film bulk acoustic resonators with interdigital transducer configured to reduce diaphragm stress |
| US12074584B2 (en) | 2020-05-28 | 2024-08-27 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with two-layer electrodes |
| WO2021246446A1 (ja) * | 2020-06-03 | 2021-12-09 | 株式会社村田製作所 | 弾性波装置 |
| US12267062B2 (en) | 2020-06-17 | 2025-04-01 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with three-layer electrodes |
| US10992282B1 (en) | 2020-06-18 | 2021-04-27 | Resonant Inc. | Transversely-excited film bulk acoustic resonators with electrodes having a second layer of variable width |
| US11742828B2 (en) | 2020-06-30 | 2023-08-29 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with symmetric diaphragm |
| US11482981B2 (en) | 2020-07-09 | 2022-10-25 | Resonanat Inc. | Transversely-excited film bulk acoustic resonators with piezoelectric diaphragm supported by piezoelectric substrate |
| CN115804009A (zh) * | 2020-07-15 | 2023-03-14 | 株式会社村田制作所 | 弹性波装置 |
| WO2022014495A1 (ja) * | 2020-07-15 | 2022-01-20 | 株式会社村田製作所 | 弾性波装置 |
| US11264969B1 (en) | 2020-08-06 | 2022-03-01 | Resonant Inc. | Transversely-excited film bulk acoustic resonator comprising small cells |
| US11671070B2 (en) | 2020-08-19 | 2023-06-06 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators using multiple dielectric layer thicknesses to suppress spurious modes |
| US11271539B1 (en) | 2020-08-19 | 2022-03-08 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with tether-supported diaphragm |
| WO2022045086A1 (ja) * | 2020-08-24 | 2022-03-03 | 株式会社村田製作所 | 弾性波装置 |
| CN115997342B (zh) * | 2020-08-24 | 2025-11-18 | 株式会社村田制作所 | 弹性波装置 |
| WO2022045087A1 (ja) * | 2020-08-25 | 2022-03-03 | 株式会社村田製作所 | 弾性波装置 |
| WO2022044869A1 (ja) * | 2020-08-27 | 2022-03-03 | 株式会社村田製作所 | 弾性波装置 |
| US11894835B2 (en) | 2020-09-21 | 2024-02-06 | Murata Manufacturing Co., Ltd. | Sandwiched XBAR for third harmonic operation |
| US11728784B2 (en) | 2020-10-05 | 2023-08-15 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator matrix filters with split die sub-filters |
| US11476834B2 (en) | 2020-10-05 | 2022-10-18 | Resonant Inc. | Transversely-excited film bulk acoustic resonator matrix filters with switches in parallel with sub-filter shunt capacitors |
| US11405019B2 (en) | 2020-10-05 | 2022-08-02 | Resonant Inc. | Transversely-excited film bulk acoustic resonator matrix filters |
| US11929733B2 (en) | 2020-10-05 | 2024-03-12 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator matrix filters with input and output impedances matched to radio frequency front end elements |
| US11405017B2 (en) | 2020-10-05 | 2022-08-02 | Resonant Inc. | Acoustic matrix filters and radios using acoustic matrix filters |
| US11658639B2 (en) | 2020-10-05 | 2023-05-23 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator matrix filters with noncontiguous passband |
| WO2022075415A1 (ja) * | 2020-10-08 | 2022-04-14 | 株式会社村田製作所 | 弾性波装置 |
| WO2022080462A1 (ja) * | 2020-10-14 | 2022-04-21 | 株式会社村田製作所 | 弾性波装置及び弾性波装置の製造方法 |
| US11463066B2 (en) | 2020-10-14 | 2022-10-04 | Resonant Inc. | Transversely-excited film bulk acoustic resonators with piezoelectric diaphragm supported by piezoelectric substrate |
| WO2022080433A1 (ja) * | 2020-10-14 | 2022-04-21 | 株式会社村田製作所 | 弾性波装置及び弾性波装置の製造方法 |
| US12119806B2 (en) | 2020-10-30 | 2024-10-15 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with spiral interdigitated transducer fingers |
| US12255617B2 (en) | 2020-11-11 | 2025-03-18 | Murata Manufacturing Co., Ltd. | Solidly-mounted transversely-excited film bulk acoustic resonators with low thermal impedance |
| US12003226B2 (en) | 2020-11-11 | 2024-06-04 | Murata Manufacturing Co., Ltd | Transversely-excited film bulk acoustic resonator with low thermal impedance |
| CN116491068A (zh) | 2020-11-11 | 2023-07-25 | 株式会社村田制作所 | 弹性波装置 |
| US12431856B2 (en) | 2020-11-12 | 2025-09-30 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with reduced loss in the aperture direction |
| US12028039B2 (en) | 2020-11-13 | 2024-07-02 | Murata Manufacturing Co., Ltd. | Forming XBAR devices with excess piezoelectric material removed |
| US11496113B2 (en) | 2020-11-13 | 2022-11-08 | Resonant Inc. | XBAR devices with excess piezoelectric material removed |
| US12362725B2 (en) | 2020-11-13 | 2025-07-15 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic filters with excess piezoelectric material removed |
| US12255626B2 (en) | 2020-11-13 | 2025-03-18 | Murata Manufacturing Co., Ltd. | Solidly-mounted transversely-excited film bulk acoustic filters with excess piezoelectric material removed |
| US11405020B2 (en) | 2020-11-26 | 2022-08-02 | Resonant Inc. | Transversely-excited film bulk acoustic resonators with structures to reduce acoustic energy leakage |
| WO2022120025A1 (en) * | 2020-12-04 | 2022-06-09 | Murata Manufacturing Co., Ltd. | Acoustic wave device |
| WO2022124391A1 (ja) * | 2020-12-11 | 2022-06-16 | 株式会社村田製作所 | 弾性波装置 |
| WO2022131216A1 (ja) * | 2020-12-14 | 2022-06-23 | 株式会社村田製作所 | 弾性波装置 |
| CN116686215A (zh) * | 2020-12-22 | 2023-09-01 | 株式会社村田制作所 | 弹性波装置 |
| WO2022138328A1 (ja) * | 2020-12-23 | 2022-06-30 | 株式会社村田製作所 | 弾性波装置 |
| US12126318B2 (en) | 2021-01-15 | 2024-10-22 | Murata Manufacturing Co., Ltd. | Filters using decoupled transversely-excited film bulk acoustic resonators |
| US12166468B2 (en) | 2021-01-15 | 2024-12-10 | Murata Manufacturing Co., Ltd. | Decoupled transversely-excited film bulk acoustic resonators for high power filters |
| US11239816B1 (en) | 2021-01-15 | 2022-02-01 | Resonant Inc. | Decoupled transversely-excited film bulk acoustic resonators |
| US12463615B2 (en) | 2021-01-21 | 2025-11-04 | Murata Manufacturing Co., Ltd | Transversely-excited film bulk acoustic resonators with improved coupling and reduced energy leakage |
| US12308826B2 (en) | 2021-02-03 | 2025-05-20 | Murata Manufacturing Co., Ltd. | Bandpass filters using transversely-excited film bulk acoustic resonators |
| US12113510B2 (en) | 2021-02-03 | 2024-10-08 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with multiple piezoelectric membrane thicknesses on the same chip |
| US12308825B2 (en) | 2021-02-12 | 2025-05-20 | Murata Manufacturing Co., Ltd | Transversely-excited film bulk acoustic resonators with narrow gaps between busbars and ends of interdigital transducer fingers |
| WO2022190743A1 (ja) * | 2021-03-10 | 2022-09-15 | 株式会社村田製作所 | 弾性波装置 |
| US12126328B2 (en) | 2021-03-24 | 2024-10-22 | Murata Manufacturing Co., Ltd. | Acoustic filters with shared acoustic tracks |
| US12348216B2 (en) | 2021-03-24 | 2025-07-01 | Murata Manufacturing Co., Ltd. | Acoustic filters with shared acoustic tracks and cascaded series resonators |
| US12289099B2 (en) | 2021-03-24 | 2025-04-29 | Murata Manufacturing Co., Ltd. | Acoustic filters with shared acoustic tracks for series and shunt resonators |
| US12355426B2 (en) | 2021-03-24 | 2025-07-08 | Murata Manufacturing Co., Ltd. | Acoustic filters with shared acoustic tracks |
| US12341492B2 (en) | 2021-03-29 | 2025-06-24 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with busbar side edges that form angles with a perimeter of the cavity |
| CN120454674A (zh) | 2021-03-30 | 2025-08-08 | 株式会社村田制作所 | 使用横向激发薄膜体声谐振器的用于6 GHz WI-FI的滤波器 |
| US12224735B2 (en) | 2021-03-30 | 2025-02-11 | Murata Manufacturing Co., Ltd. | Diplexer using decoupled transversely-excited film bulk acoustic resonators |
| WO2022211029A1 (ja) * | 2021-03-31 | 2022-10-06 | 株式会社村田製作所 | 弾性波装置 |
| WO2022210687A1 (ja) * | 2021-03-31 | 2022-10-06 | 株式会社村田製作所 | 弾性波装置 |
| WO2022209525A1 (ja) * | 2021-03-31 | 2022-10-06 | 株式会社村田製作所 | 弾性波装置 |
| WO2022210378A1 (ja) * | 2021-03-31 | 2022-10-06 | 株式会社村田製作所 | 弾性波装置 |
| CN117099308A (zh) * | 2021-03-31 | 2023-11-21 | 株式会社村田制作所 | 弹性波装置以及弹性波装置的制造方法 |
| CN117083799A (zh) * | 2021-03-31 | 2023-11-17 | 株式会社村田制作所 | 弹性波装置 |
| KR20230148243A (ko) * | 2021-03-31 | 2023-10-24 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 장치 |
| WO2022211097A1 (ja) * | 2021-03-31 | 2022-10-06 | 株式会社村田製作所 | 弾性波装置及び弾性波装置の製造方法 |
| WO2022211087A1 (ja) * | 2021-03-31 | 2022-10-06 | 株式会社村田製作所 | 弾性波装置 |
| WO2022209862A1 (ja) * | 2021-04-02 | 2022-10-06 | 株式会社村田製作所 | 弾性波装置 |
| US12237823B2 (en) | 2021-04-02 | 2025-02-25 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with solidly mounted resonator (SMR) pedestals |
| US12249971B2 (en) | 2021-04-02 | 2025-03-11 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with solidly mounted resonator (SMR) pedestals |
| US12126316B2 (en) | 2021-04-16 | 2024-10-22 | Murata Manufacturing Co., Ltd | Transversely-excited film bulk acoustic resonator |
| US12255633B2 (en) | 2021-04-16 | 2025-03-18 | Murata Manufacturing Co., Ltd. | Filter using transversely-excited film bulk acoustic resonators |
| US12160220B2 (en) | 2021-04-30 | 2024-12-03 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with oxide strip acoustic confinement structures |
| US12255607B2 (en) | 2021-04-30 | 2025-03-18 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with buried oxide strip acoustic confinement structures |
| US12075700B2 (en) | 2021-05-07 | 2024-08-27 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator fabrication using polysilicon pillars |
| US12057823B2 (en) | 2021-05-07 | 2024-08-06 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with concentric interdigitated transducer fingers |
| US12170513B2 (en) | 2021-06-30 | 2024-12-17 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with reduced substrate to contact bump thermal resistance |
| US12603639B2 (en) | 2021-08-02 | 2026-04-14 | Murata Manufacturing Co., Ltd. | Metal cavity for transversely-excited film bulk acoustic resonator (XBAR) |
| US12456962B2 (en) | 2021-09-24 | 2025-10-28 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators wafer-level packaging using a dielectric cover |
| US12225387B2 (en) | 2021-09-29 | 2025-02-11 | Murata Manufacturing Co., Ltd. | Communications device with concurrent operation in 5GHZ and 6GHZ U-NII frequency ranges |
| US12451864B2 (en) | 2021-09-29 | 2025-10-21 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with curved shaped ends of fingers or opposing busbars |
| WO2023058755A1 (ja) * | 2021-10-08 | 2023-04-13 | 株式会社村田製作所 | 弾性波装置および弾性波装置の製造方法 |
| WO2023058767A1 (ja) * | 2021-10-08 | 2023-04-13 | 株式会社村田製作所 | 弾性波装置 |
| US12407326B2 (en) | 2021-11-04 | 2025-09-02 | Murata Manufacturing Co., Ltd. | Stacked die transversely-excited film bulk acoustic resonator (XBAR) filters |
| WO2023085364A1 (ja) * | 2021-11-11 | 2023-05-19 | 株式会社村田製作所 | 弾性波装置 |
| CN118318392A (zh) * | 2021-11-11 | 2024-07-09 | 株式会社村田制作所 | 弹性波装置 |
| US12424999B2 (en) | 2021-12-28 | 2025-09-23 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with gap dielectric stripes in busbar-electrode gaps |
| US12494768B2 (en) | 2021-12-28 | 2025-12-09 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with gap dielectric stripes in busbar-electrode gaps |
| US12413196B2 (en) | 2022-02-16 | 2025-09-09 | Murata Manufacturing Co., Ltd. | Tuning acoustic resonators with back-side coating |
| US12549151B2 (en) | 2022-04-12 | 2026-02-10 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with thick dielectric layer for improved coupling |
| US12489417B2 (en) | 2022-04-12 | 2025-12-02 | Murata Manufacturing Co., Ltd. | Ladder filter with transversely-excited film bulk acoustic resonators having different pitches |
| WO2023199837A1 (ja) * | 2022-04-14 | 2023-10-19 | 株式会社村田製作所 | 弾性波装置 |
| US12506459B2 (en) | 2022-09-22 | 2025-12-23 | Rf360 Singapore Pte. Ltd. | Bulk acoustic wave (BAW) device with oppositely polarized piezoelectric layers for higher order resonance and method of manufacture |
| US12489415B2 (en) | 2022-10-19 | 2025-12-02 | Murata Manufacturing Co., Ltd. | Acoustic resonator lid for thermal transport |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000209063A (ja) * | 1998-11-12 | 2000-07-28 | Mitsubishi Electric Corp | 薄膜圧電素子 |
| GB0014963D0 (en) * | 2000-06-20 | 2000-08-09 | Koninkl Philips Electronics Nv | A bulk acoustic wave device |
| DE10149542A1 (de) * | 2001-10-08 | 2003-04-17 | Infineon Technologies Ag | BAW-Resonator |
| EP1510005A1 (en) * | 2002-05-20 | 2005-03-02 | Philips Intellectual Property & Standards GmbH | Filter structure |
| DE10319554B4 (de) * | 2003-04-30 | 2018-05-09 | Snaptrack, Inc. | Mit akustischen Volumenwellen arbeitendes Bauelement mit gekoppelten Resonatoren |
| US7466213B2 (en) * | 2003-10-06 | 2008-12-16 | Nxp B.V. | Resonator structure and method of producing it |
| FR2864618B1 (fr) * | 2003-12-24 | 2006-03-03 | Temex Sa | Capteur de temperature ou de temperature et de pression interrogeable a distance |
| JP4580766B2 (ja) * | 2005-01-06 | 2010-11-17 | 株式会社東芝 | 薄膜圧電共振器及び薄膜圧電共振器の製造方法 |
| US7323805B2 (en) * | 2004-01-28 | 2008-01-29 | Kabushiki Kaisha Toshiba | Piezoelectric thin film device and method for manufacturing the same |
| EP1575165B1 (en) | 2004-03-09 | 2008-05-07 | Infineon Technologies AG | Bulk acoustic wave filter and method for eliminating unwanted side passands |
| US7098758B2 (en) * | 2004-11-03 | 2006-08-29 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Acoustically coupled thin-film resonators having an electrode with a tapered edge |
| JPWO2006062082A1 (ja) * | 2004-12-07 | 2008-06-12 | 松下電器産業株式会社 | 薄膜弾性波共振子 |
| US7138889B2 (en) | 2005-03-22 | 2006-11-21 | Triquint Semiconductor, Inc. | Single-port multi-resonator acoustic resonator device |
| WO2006112260A1 (ja) | 2005-04-13 | 2006-10-26 | Murata Manufacturing Co., Ltd. | 圧電薄膜フィルタ |
| JP2006311303A (ja) * | 2005-04-28 | 2006-11-09 | River Eletec Kk | モード結合型圧電振動子 |
| DE102005061344A1 (de) * | 2005-12-21 | 2007-06-28 | Epcos Ag | Mit akustischen Volumenwellen arbeitender Resonator |
| WO2007122794A1 (ja) | 2006-03-24 | 2007-11-01 | Seiko Epson Corporation | 液体収容容器 |
| US7847656B2 (en) | 2006-07-27 | 2010-12-07 | Georgia Tech Research Corporation | Monolithic thin-film piezoelectric filters |
| US7625463B2 (en) * | 2006-10-02 | 2009-12-01 | Weyerhaeuser Nr Company | Methods for the preparation of fibrous superabsorbent composite containing cellulose |
| JP2008206139A (ja) | 2007-01-25 | 2008-09-04 | Matsushita Electric Ind Co Ltd | 二重モード圧電フィルタ、その製造方法、およびそれを用いた高周波回路部品および通信機器 |
| EP2299593A1 (en) * | 2009-09-18 | 2011-03-23 | Nxp B.V. | Laterally coupled bulk acoustic wave device |
| FI123640B (fi) * | 2010-04-23 | 2013-08-30 | Teknologian Tutkimuskeskus Vtt | Laajakaistainen akustisesti kytketty ohutkalvo-BAW-suodin |
| FI124732B (en) * | 2011-11-11 | 2014-12-31 | Teknologian Tutkimuskeskus Vtt | Lateral connected bulk wave filter with improved passband characteristics |
-
2010
- 2010-04-23 FI FI20105443A patent/FI123640B/fi active IP Right Grant
-
2011
- 2011-04-21 WO PCT/FI2011/050368 patent/WO2011131844A1/en not_active Ceased
- 2011-04-21 EP EP11771646.4A patent/EP2561613B1/en active Active
- 2011-04-21 JP JP2013505511A patent/JP5709226B2/ja active Active
- 2011-04-21 US US13/642,155 patent/US9294069B2/en active Active
- 2011-04-21 KR KR1020127030465A patent/KR101764787B1/ko active Active
- 2011-04-21 CN CN201180020563.1A patent/CN102870325B/zh active Active
-
2015
- 2015-07-28 US US14/810,481 patent/US10320361B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011131844A1 (en) | 2011-10-27 |
| CN102870325A (zh) | 2013-01-09 |
| FI20105443L (fi) | 2013-06-17 |
| EP2561613B1 (en) | 2016-01-13 |
| JP5709226B2 (ja) | 2015-04-30 |
| KR101764787B1 (ko) | 2017-08-03 |
| EP2561613A4 (en) | 2013-11-27 |
| CN102870325B (zh) | 2015-09-09 |
| US20130057360A1 (en) | 2013-03-07 |
| US9294069B2 (en) | 2016-03-22 |
| FI123640B (fi) | 2013-08-30 |
| US10320361B2 (en) | 2019-06-11 |
| US20150333730A1 (en) | 2015-11-19 |
| JP2013528996A (ja) | 2013-07-11 |
| EP2561613A1 (en) | 2013-02-27 |
| FI20105443A0 (fi) | 2010-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101764787B1 (ko) | 광대역 음향 결합 박막 baw 필터 | |
| US12191843B2 (en) | Wide-band acoustically coupled thin-film BAW filter | |
| JP6564096B2 (ja) | 向上した通過帯域特性を有する、横方向に結合されたバルク弾性波フィルタ | |
| CN112673568B (zh) | 用于调整声波谐振器的频率响应的负荷谐振器 | |
| CN101145767A (zh) | 声波器件和滤波器 | |
| US11894827B2 (en) | Loaded series resonators for adjusting frequency response of acoustic wave resonators | |
| CN111937305A (zh) | 弹性波元件、弹性波滤波器、分波器以及通信装置 | |
| JP2004235886A (ja) | 圧電薄膜素子 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
St.27 status event code: A-0-1-A10-A15-nap-PA0105 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| R15-X000 | Change to inventor requested |
St.27 status event code: A-3-3-R10-R15-oth-X000 |
|
| R16-X000 | Change to inventor recorded |
St.27 status event code: A-3-3-R10-R16-oth-X000 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-3-3-R10-R18-oth-X000 |
|
| A201 | Request for examination | ||
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
| E13-X000 | Pre-grant limitation requested |
St.27 status event code: A-2-3-E10-E13-lim-X000 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U12-oth-PR1002 Fee payment year number: 1 |
|
| PG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-PG1601 |
|
| FPAY | Annual fee payment |
Payment date: 20200716 Year of fee payment: 4 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 4 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| FPAY | Annual fee payment |
Payment date: 20210716 Year of fee payment: 5 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 5 |
|
| FPAY | Annual fee payment |
Payment date: 20220714 Year of fee payment: 6 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 6 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 7 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 8 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 9 |
|
| U11 | Full renewal or maintenance fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-OTH-PR1001 (AS PROVIDED BY THE NATIONAL OFFICE) Year of fee payment: 9 |