JP2001223410A - 音響共振デバイス用の分離方法 - Google Patents
音響共振デバイス用の分離方法Info
- Publication number
- JP2001223410A JP2001223410A JP2001026212A JP2001026212A JP2001223410A JP 2001223410 A JP2001223410 A JP 2001223410A JP 2001026212 A JP2001026212 A JP 2001026212A JP 2001026212 A JP2001026212 A JP 2001026212A JP 2001223410 A JP2001223410 A JP 2001223410A
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric material
- substrate
- piezoelectric
- acoustic
- region
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- H03H9/02118—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 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
-
- 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
-
- 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
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49005—Acoustic transducer
-
- 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
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/497993 | 2000-02-04 | ||
| US09/497,993 US7296329B1 (en) | 2000-02-04 | 2000-02-04 | Method of isolation for acoustic resonator device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013217576A Division JP5559411B2 (ja) | 2000-02-04 | 2013-10-18 | 音響共振デバイス用の分離方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001223410A true JP2001223410A (ja) | 2001-08-17 |
| JP2001223410A5 JP2001223410A5 (enExample) | 2008-03-21 |
Family
ID=23979175
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001026212A Pending JP2001223410A (ja) | 2000-02-04 | 2001-02-02 | 音響共振デバイス用の分離方法 |
| JP2013217576A Expired - Fee Related JP5559411B2 (ja) | 2000-02-04 | 2013-10-18 | 音響共振デバイス用の分離方法 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013217576A Expired - Fee Related JP5559411B2 (ja) | 2000-02-04 | 2013-10-18 | 音響共振デバイス用の分離方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US7296329B1 (enExample) |
| EP (1) | EP1126601A3 (enExample) |
| JP (2) | JP2001223410A (enExample) |
| KR (1) | KR100745428B1 (enExample) |
| CN (1) | CN1203464C (enExample) |
| AU (1) | AU1673901A (enExample) |
| BR (1) | BR0100192A (enExample) |
| CA (2) | CA2642731C (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030032401A (ko) * | 2001-10-18 | 2003-04-26 | 한국쌍신전기주식회사 | 압전박막형 공진기 및 그 제조방법 |
| US7038559B2 (en) * | 2004-02-23 | 2006-05-02 | Ruby Richard C | Vertically separated acoustic filters and resonators |
| JP4535841B2 (ja) | 2004-10-28 | 2010-09-01 | 富士通メディアデバイス株式会社 | 圧電薄膜共振子及びこれを用いたフィルタ |
| FI118829B (fi) * | 2005-07-08 | 2008-03-31 | Valtion Teknillinen | Mikromekaaninen sensori, sensoriryhmä ja menetelmä sekä pitkittäisten akustisten aaltojen uusi käyttö |
| US8291559B2 (en) * | 2009-02-24 | 2012-10-23 | Epcos Ag | Process for adapting resonance frequency of a BAW resonator |
| US8513863B2 (en) | 2009-06-11 | 2013-08-20 | Qualcomm Mems Technologies, Inc. | Piezoelectric resonator with two layers |
| JP6851368B2 (ja) * | 2015-08-18 | 2021-03-31 | フジフィルム ソノサイト インコーポレイテッド | 高周波数超音波に対する膜ハイドロホンおよび製造方法 |
| US10135415B2 (en) * | 2015-12-18 | 2018-11-20 | Texas Instruments Incorporated | Method to reduce frequency distribution of bulk acoustic wave resonators during manufacturing |
| US11579011B2 (en) | 2016-02-19 | 2023-02-14 | Fujifilm Sonosite, Inc. | Membrane hydrophone for high frequency ultrasound and method of manufacture |
| US10178459B2 (en) | 2016-03-09 | 2019-01-08 | Mrspeakers, Llc | Loudspeaker with acoustic impedance system |
| KR102722507B1 (ko) | 2017-12-07 | 2024-10-29 | 인피니언 테크놀로지스 아게 | 음향적으로 결합된 공진기 노치 및 대역 통과 필터 |
| CN108231995B (zh) * | 2018-02-05 | 2024-04-19 | 武汉衍熙微器件有限公司 | 一种压电器件及其制备方法 |
| CN110120793B (zh) * | 2018-02-05 | 2024-11-12 | 武汉衍熙微器件有限公司 | 具有非c轴优选压电层的薄膜体声波谐振器 |
| US11594668B2 (en) * | 2018-12-28 | 2023-02-28 | Tdk Corporation | Thin film laminate, thin film device and multilayer substrate |
| US11563418B2 (en) | 2019-03-25 | 2023-01-24 | Skyworks Solutions, Inc. | Methods of manufacturing acoustic wave resonators with isolation |
| US12501642B2 (en) | 2020-10-07 | 2025-12-16 | Hrl Laboratories, Llc | Semiconductor materials and devices including iii-nitride layers integrated with scandium aluminum nitride |
| CN113054941B (zh) * | 2021-02-09 | 2023-11-24 | 偲百创(深圳)科技有限公司 | 声波谐振器制作方法及声波谐振器 |
| US20230246630A1 (en) * | 2022-01-31 | 2023-08-03 | Texas Instruments Incorporated | Substrate top side roughening |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08340136A (ja) * | 1995-06-09 | 1996-12-24 | Toshiba Corp | 酸化物薄膜素子の製造方法、超電導素子の製造方法および超電導素子 |
| JPH0955998A (ja) * | 1995-08-17 | 1997-02-25 | Motorola Inc | 結合強化薄膜圧電アレイおよび製造方法 |
Family Cites Families (71)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3956718A (en) * | 1975-01-10 | 1976-05-11 | Westinghouse Electric Corporation | Crystals having zero temperature coefficients of delay |
| US4675123A (en) * | 1979-01-17 | 1987-06-23 | Ngk Spark Plug Co., Ltd. | Piezoelectric composite material |
| US4320365A (en) | 1980-11-03 | 1982-03-16 | United Technologies Corporation | Fundamental, longitudinal, thickness mode bulk wave resonator |
| JPS5831608A (ja) * | 1981-08-19 | 1983-02-24 | Toshiba Corp | 弾性表面波素子の製造方法 |
| US4502932A (en) | 1983-10-13 | 1985-03-05 | The United States Of America As Represented By The United States Department Of Energy | Acoustic resonator and method of making same |
| US4556812A (en) | 1983-10-13 | 1985-12-03 | The United States Of America As Represented By The United States Department Of Energy | Acoustic resonator with Al electrodes on an AlN layer and using a GaAs substrate |
| US4719383A (en) | 1985-05-20 | 1988-01-12 | The United States Of America As Represented By The United States Department Of Energy | Piezoelectric shear wave resonator and method of making same |
| JPS61269410A (ja) * | 1985-05-23 | 1986-11-28 | Toshiba Corp | 薄膜弾性表面波装置 |
| US5022130A (en) * | 1987-10-02 | 1991-06-11 | Quartztronics, Inc. | Method of manufacturing crystal resonators having low acceleration sensitivity |
| JPH0618314B2 (ja) | 1987-10-09 | 1994-03-09 | 株式会社村田製作所 | 集積型共振子の製造方法 |
| US4906840A (en) * | 1988-01-27 | 1990-03-06 | The Board Of Trustees Of Leland Stanford Jr., University | Integrated scanning tunneling microscope |
| JP2644855B2 (ja) * | 1988-10-24 | 1997-08-25 | 株式会社日立製作所 | 弾性波フィルタ、及びそれを用いたアンテナ分波器 |
| US4988957A (en) | 1989-05-26 | 1991-01-29 | Iowa State University Research Foundation, Inc. | Electronically-tuned thin-film resonator/filter controlled oscillator |
| JPH03204211A (ja) * | 1990-01-03 | 1991-09-05 | Kazuhiko Yamanouchi | 作製膜研磨法を用いた弾性表面波基板 |
| US5369862A (en) * | 1990-02-26 | 1994-12-06 | Murata Manufacturing Co., Ltd. | Method of producing a piezoelectric device |
| US5075641A (en) | 1990-12-04 | 1991-12-24 | Iowa State University Research Foundation, Inc. | High frequency oscillator comprising cointegrated thin film resonator and active device |
| US5231327A (en) | 1990-12-14 | 1993-07-27 | Tfr Technologies, Inc. | Optimized piezoelectric resonator-based networks |
| EP0498198B1 (en) | 1991-02-04 | 1995-11-22 | Motorola, Inc. | Hermetic device package for microelectronic frequency selection components |
| US5263259A (en) | 1991-05-14 | 1993-11-23 | Fausto Cimador | Design apparatus |
| US5185589A (en) | 1991-05-17 | 1993-02-09 | Westinghouse Electric Corp. | Microwave film bulk acoustic resonator and manifolded filter bank |
| EP0546696A1 (en) | 1991-12-13 | 1993-06-16 | Hewlett-Packard Company | Process for lithography on piezoelectric films |
| US5232571A (en) | 1991-12-23 | 1993-08-03 | Iowa State University Research Foundation, Inc. | Aluminum nitride deposition using an AlN/Al sputter cycle technique |
| US5348617A (en) | 1991-12-23 | 1994-09-20 | Iowa State University Research Foundation, Inc. | Selective etching process |
| US5294898A (en) | 1992-01-29 | 1994-03-15 | Motorola, Inc. | Wide bandwidth bandpass filter comprising parallel connected piezoelectric resonators |
| US5166646A (en) | 1992-02-07 | 1992-11-24 | Motorola, Inc. | Integrated tunable resonators for use in oscillators and filters |
| US5283458A (en) | 1992-03-30 | 1994-02-01 | Trw Inc. | Temperature stable semiconductor bulk acoustic resonator |
| US5367308A (en) | 1992-05-29 | 1994-11-22 | Iowa State University Research Foundation, Inc. | Thin film resonating device |
| JP3140223B2 (ja) * | 1992-11-11 | 2001-03-05 | キヤノン株式会社 | マイクロアクチュエータおよびその作製方法 |
| US5382930A (en) * | 1992-12-21 | 1995-01-17 | Trw Inc. | Monolithic multipole filters made of thin film stacked crystal filters |
| US5373268A (en) | 1993-02-01 | 1994-12-13 | Motorola, Inc. | Thin film resonator having stacked acoustic reflecting impedance matching layers and method |
| JPH06232671A (ja) * | 1993-02-04 | 1994-08-19 | Mitsubishi Electric Corp | 弾性表面波素子の製造方法 |
| US5334960A (en) | 1993-02-16 | 1994-08-02 | Motorola, Inc. | Conjugately matched acoustic wave transducers and method |
| US5434827A (en) | 1993-06-15 | 1995-07-18 | Hewlett-Packard Company | Matching layer for front acoustic impedance matching of clinical ultrasonic tranducers |
| US5381385A (en) | 1993-08-04 | 1995-01-10 | Hewlett-Packard Company | Electrical interconnect for multilayer transducer elements of a two-dimensional transducer array |
| US5369662A (en) | 1993-08-11 | 1994-11-29 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Reduction of parasitic lasing |
| JPH07162054A (ja) | 1993-12-06 | 1995-06-23 | Murata Mfg Co Ltd | 圧電薄膜の形成方法 |
| US5446306A (en) | 1993-12-13 | 1995-08-29 | Trw Inc. | Thin film voltage-tuned semiconductor bulk acoustic resonator (SBAR) |
| US5587620A (en) | 1993-12-21 | 1996-12-24 | Hewlett-Packard Company | Tunable thin film acoustic resonators and method for making the same |
| US5552655A (en) | 1994-05-04 | 1996-09-03 | Trw Inc. | Low frequency mechanical resonator |
| US5864261A (en) | 1994-05-23 | 1999-01-26 | Iowa State University Research Foundation | Multiple layer acoustical structures for thin-film resonator based circuits and systems |
| JPH08148968A (ja) | 1994-11-24 | 1996-06-07 | Mitsubishi Electric Corp | 薄膜圧電素子 |
| US5630949A (en) | 1995-06-01 | 1997-05-20 | Tfr Technologies, Inc. | Method and apparatus for fabricating a piezoelectric resonator to a resonant frequency |
| US5596239A (en) | 1995-06-29 | 1997-01-21 | Motorola, Inc. | Enhanced quality factor resonator |
| US5617065A (en) | 1995-06-29 | 1997-04-01 | Motorola, Inc. | Filter using enhanced quality factor resonator and method |
| US5692279A (en) * | 1995-08-17 | 1997-12-02 | Motorola | Method of making a monolithic thin film resonator lattice filter |
| KR100229608B1 (ko) * | 1995-10-06 | 1999-11-15 | 모리시타 요이찌 | 유전체소자의 제조방법 |
| US5702775A (en) | 1995-12-26 | 1997-12-30 | Motorola, Inc. | Microelectronic device package and method |
| US5821833A (en) | 1995-12-26 | 1998-10-13 | Tfr Technologies, Inc. | Stacked crystal filter device and method of making |
| US5646583A (en) | 1996-01-04 | 1997-07-08 | Rockwell International Corporation | Acoustic isolator having a high impedance layer of hafnium oxide |
| US5760663A (en) | 1996-08-23 | 1998-06-02 | Motorola, Inc. | Elliptic baw resonator filter and method of making the same |
| US5714917A (en) | 1996-10-02 | 1998-02-03 | Nokia Mobile Phones Limited | Device incorporating a tunable thin film bulk acoustic resonator for performing amplitude and phase modulation |
| US6051907A (en) | 1996-10-10 | 2000-04-18 | Nokia Mobile Phones Limited | Method for performing on-wafer tuning of thin film bulk acoustic wave resonators (FBARS) |
| AU4270097A (en) * | 1996-10-17 | 1998-05-11 | Nokia Mobile Phones Limited | Method for fabricating fbars on glass substrates |
| US5873154A (en) | 1996-10-17 | 1999-02-23 | Nokia Mobile Phones Limited | Method for fabricating a resonator having an acoustic mirror |
| US5780713A (en) | 1996-11-19 | 1998-07-14 | Hewlett-Packard Company | Post-fabrication tuning of acoustic resonators |
| US5963856A (en) | 1997-01-03 | 1999-10-05 | Lucent Technologies Inc | Wireless receiver including tunable RF bandpass filter |
| US6087198A (en) | 1998-02-12 | 2000-07-11 | Texas Instruments Incorporated | Low cost packaging for thin-film resonators and thin-film resonator-based filters |
| US5872493A (en) | 1997-03-13 | 1999-02-16 | Nokia Mobile Phones, Ltd. | Bulk acoustic wave (BAW) filter having a top portion that includes a protective acoustic mirror |
| US5853601A (en) | 1997-04-03 | 1998-12-29 | Northrop Grumman Corporation | Top-via etch technique for forming dielectric membranes |
| US6127768A (en) | 1997-05-09 | 2000-10-03 | Kobe Steel Usa, Inc. | Surface acoustic wave and bulk acoustic wave devices using a Zn.sub.(1-X) Yx O piezoelectric layer device |
| US5910756A (en) | 1997-05-21 | 1999-06-08 | Nokia Mobile Phones Limited | Filters and duplexers utilizing thin film stacked crystal filter structures and thin film bulk acoustic wave resonators |
| US5894647A (en) | 1997-06-30 | 1999-04-20 | Tfr Technologies, Inc. | Method for fabricating piezoelectric resonators and product |
| US5883575A (en) | 1997-08-12 | 1999-03-16 | Hewlett-Packard Company | RF-tags utilizing thin film bulk wave acoustic resonators |
| US6081171A (en) | 1998-04-08 | 2000-06-27 | Nokia Mobile Phones Limited | Monolithic filters utilizing thin film bulk acoustic wave devices and minimum passive components for controlling the shape and width of a passband response |
| US6060818A (en) | 1998-06-02 | 2000-05-09 | Hewlett-Packard Company | SBAR structures and method of fabrication of SBAR.FBAR film processing techniques for the manufacturing of SBAR/BAR filters |
| FI108583B (fi) | 1998-06-02 | 2002-02-15 | Nokia Corp | Resonaattorirakenteita |
| US6150703A (en) | 1998-06-29 | 2000-11-21 | Trw Inc. | Lateral mode suppression in semiconductor bulk acoustic resonator (SBAR) devices using tapered electrodes, and electrodes edge damping materials |
| US5942958A (en) | 1998-07-27 | 1999-08-24 | Tfr Technologies, Inc. | Symmetrical piezoelectric resonator filter |
| US6185589B1 (en) | 1998-07-31 | 2001-02-06 | Hewlett-Packard Company | Automatic banner resizing for variable-width web pages using variable width cells of HTML table |
| US6215375B1 (en) | 1999-03-30 | 2001-04-10 | Agilent Technologies, Inc. | Bulk acoustic wave resonator with improved lateral mode suppression |
| JP4327942B2 (ja) | 1999-05-20 | 2009-09-09 | Tdk株式会社 | 薄膜圧電素子 |
-
2000
- 2000-02-04 US US09/497,993 patent/US7296329B1/en not_active Expired - Lifetime
-
2001
- 2001-01-02 CA CA2642731A patent/CA2642731C/en not_active Expired - Fee Related
- 2001-01-02 CA CA002330019A patent/CA2330019C/en not_active Expired - Fee Related
- 2001-01-19 CN CNB011016663A patent/CN1203464C/zh not_active Expired - Fee Related
- 2001-01-22 EP EP01300530A patent/EP1126601A3/en not_active Withdrawn
- 2001-01-29 BR BR0100192-2A patent/BR0100192A/pt not_active Application Discontinuation
- 2001-01-31 AU AU16739/01A patent/AU1673901A/en not_active Abandoned
- 2001-02-02 JP JP2001026212A patent/JP2001223410A/ja active Pending
- 2001-02-03 KR KR1020010005225A patent/KR100745428B1/ko not_active Expired - Fee Related
-
2007
- 2007-10-01 US US11/906,196 patent/US8631547B2/en not_active Expired - Lifetime
-
2013
- 2013-10-18 JP JP2013217576A patent/JP5559411B2/ja not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08340136A (ja) * | 1995-06-09 | 1996-12-24 | Toshiba Corp | 酸化物薄膜素子の製造方法、超電導素子の製造方法および超電導素子 |
| JPH0955998A (ja) * | 1995-08-17 | 1997-02-25 | Motorola Inc | 結合強化薄膜圧電アレイおよび製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US8631547B2 (en) | 2014-01-21 |
| CA2330019A1 (en) | 2001-08-04 |
| CN1319835A (zh) | 2001-10-31 |
| CA2642731A1 (en) | 2001-08-04 |
| JP2014017881A (ja) | 2014-01-30 |
| AU1673901A (en) | 2001-08-09 |
| US20080028585A1 (en) | 2008-02-07 |
| CA2330019C (en) | 2008-12-30 |
| EP1126601A3 (en) | 2006-03-22 |
| CA2642731C (en) | 2013-10-15 |
| KR100745428B1 (ko) | 2007-08-02 |
| KR20010078314A (ko) | 2001-08-20 |
| EP1126601A2 (en) | 2001-08-22 |
| BR0100192A (pt) | 2001-10-09 |
| CN1203464C (zh) | 2005-05-25 |
| JP5559411B2 (ja) | 2014-07-23 |
| US7296329B1 (en) | 2007-11-20 |
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