CN1968012B - 双工器 - Google Patents
双工器 Download PDFInfo
- Publication number
- CN1968012B CN1968012B CN2006101465393A CN200610146539A CN1968012B CN 1968012 B CN1968012 B CN 1968012B CN 2006101465393 A CN2006101465393 A CN 2006101465393A CN 200610146539 A CN200610146539 A CN 200610146539A CN 1968012 B CN1968012 B CN 1968012B
- Authority
- CN
- China
- Prior art keywords
- filter
- reception
- ground pattern
- receiving
- duplexer
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims description 129
- 238000010897 surface acoustic wave method Methods 0.000 claims description 9
- 239000010409 thin film Substances 0.000 claims description 7
- 230000000052 comparative effect Effects 0.000 description 49
- 238000003780 insertion Methods 0.000 description 19
- 230000037431 insertion Effects 0.000 description 19
- 238000005524 ceramic coating Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 101100099195 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) TGL1 gene Proteins 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 101100346892 Arabidopsis thaliana MTPA1 gene Proteins 0.000 description 2
- 101150069989 MTP2 gene Proteins 0.000 description 2
- 102100021339 Multidrug resistance-associated protein 1 Human genes 0.000 description 2
- 101100098774 Rattus norvegicus Tap2 gene Proteins 0.000 description 2
- 101100099196 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) TGL2 gene Proteins 0.000 description 2
- 102100032008 Solute carrier family 40 member 1 Human genes 0.000 description 2
- 101710111423 Solute carrier family 40 member 1 Proteins 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 108010066052 multidrug resistance-associated protein 1 Proteins 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 101150019028 Antp gene Proteins 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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
- H03H9/70—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
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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
- H03H9/72—Networks using surface acoustic waves
-
- 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
- H03H9/05—Holders or supports
- H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
- H03H9/0566—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers
- H03H9/0571—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers including bulk acoustic wave [BAW] 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
- H03H9/05—Holders or supports
- H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
- H03H9/0566—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers
- H03H9/0576—Constructional combinations of supports or holders with electromechanical or other electronic elements for duplexers including surface acoustic wave [SAW] 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
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/72—Networks using surface acoustic waves
- H03H9/725—Duplexers
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005330335 | 2005-11-15 | ||
JP2005-330335 | 2005-11-15 | ||
JP2005330335A JP4585431B2 (ja) | 2005-11-15 | 2005-11-15 | 分波器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1968012A CN1968012A (zh) | 2007-05-23 |
CN1968012B true CN1968012B (zh) | 2010-08-18 |
Family
ID=38041564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006101465393A Active CN1968012B (zh) | 2005-11-15 | 2006-11-15 | 双工器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7941103B2 (zh) |
JP (1) | JP4585431B2 (zh) |
KR (1) | KR100847637B1 (zh) |
CN (1) | CN1968012B (zh) |
Families Citing this family (115)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007019325B4 (de) * | 2007-04-24 | 2008-12-24 | Epcos Ag | Mit akustischen Wellen arbeitendes Bauelement |
JP5177392B2 (ja) * | 2008-03-17 | 2013-04-03 | Tdk株式会社 | 弾性表面波装置 |
WO2009147787A1 (ja) | 2008-06-06 | 2009-12-10 | パナソニック株式会社 | 弾性波共用器 |
JP5144379B2 (ja) * | 2008-06-09 | 2013-02-13 | 太陽誘電株式会社 | 分波器 |
WO2010061559A1 (ja) | 2008-11-27 | 2010-06-03 | パナソニック株式会社 | アンテナ共用器とこれを用いた通信機器 |
JP5183459B2 (ja) * | 2008-12-26 | 2013-04-17 | 太陽誘電株式会社 | 分波器、分波器用基板および電子装置 |
JP5237138B2 (ja) * | 2009-01-27 | 2013-07-17 | 太陽誘電株式会社 | フィルタ、デュープレクサ、通信モジュール |
JP5653161B2 (ja) | 2010-10-18 | 2015-01-14 | 太陽誘電株式会社 | 分波器 |
WO2012114593A1 (ja) * | 2011-02-24 | 2012-08-30 | 株式会社村田製作所 | 弾性波分波器 |
US9246533B2 (en) | 2012-10-18 | 2016-01-26 | Skyworks Panasonic Filter Solutions Japan Co., Ltd. | Electronic device including filter |
DE102014110905A1 (de) * | 2014-07-31 | 2016-02-04 | Epcos Ag | Duplexer mit verbesserter Reflektivität |
JP6508920B2 (ja) * | 2014-11-13 | 2019-05-08 | 太陽誘電株式会社 | 弾性波デバイスおよび送受信デバイス |
JP6668213B2 (ja) | 2015-10-01 | 2020-03-18 | スカイワークスフィルターソリューションズジャパン株式会社 | 分波器と通信機器 |
CN109478881B (zh) * | 2016-07-26 | 2022-07-29 | 京瓷株式会社 | 弹性波器件以及通信装置 |
US10404234B2 (en) | 2016-09-02 | 2019-09-03 | Skyworks Filter Solutions Japan Co., Ltd. | Filter device with phase compensation, and electronic devices including same |
JP2018088678A (ja) | 2016-11-29 | 2018-06-07 | スカイワークス ソリューションズ, インコーポレイテッドSkyworks Solutions, Inc. | 位相をキャンセルするループ回路を含むフィルタ |
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 |
US11509279B2 (en) | 2020-07-18 | 2022-11-22 | Resonant Inc. | Acoustic resonators and filters with reduced temperature coefficient of frequency |
US10637438B2 (en) | 2018-06-15 | 2020-04-28 | Resonant Inc. | Transversely-excited film bulk acoustic resonators for high power applications |
US11929731B2 (en) | 2018-02-18 | 2024-03-12 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with optimized electrode mark, and pitch |
US11936358B2 (en) | 2020-11-11 | 2024-03-19 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with low thermal impedance |
US11323089B2 (en) | 2018-06-15 | 2022-05-03 | Resonant Inc. | Filter using piezoelectric film bonded to high resistivity silicon substrate with trap-rich layer |
US11206009B2 (en) | 2019-08-28 | 2021-12-21 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with interdigital transducer with varied mark and pitch |
US11323096B2 (en) | 2018-06-15 | 2022-05-03 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with periodic etched holes |
US10790802B2 (en) | 2018-06-15 | 2020-09-29 | Resonant Inc. | Transversely excited film bulk acoustic resonator using rotated Y-X cut lithium niobate |
US12088281B2 (en) | 2021-02-03 | 2024-09-10 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with multi-mark interdigital transducer |
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 |
US12040779B2 (en) | 2020-04-20 | 2024-07-16 | Murata Manufacturing Co., Ltd. | Small transversely-excited film bulk acoustic resonators with enhanced Q-factor |
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 |
US10756697B2 (en) | 2018-06-15 | 2020-08-25 | Resonant Inc. | Transversely-excited film bulk acoustic resonator |
US11323091B2 (en) | 2018-06-15 | 2022-05-03 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with diaphragm support pedestals |
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 |
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 |
US11329628B2 (en) | 2020-06-17 | 2022-05-10 | Resonant Inc. | Filter using lithium niobate and lithium tantalate transversely-excited film bulk acoustic resonators |
US12191838B2 (en) | 2018-06-15 | 2025-01-07 | Murata Manufacturing Co., Ltd. | Solidly-mounted transversely-excited film bulk acoustic device and method |
US10917072B2 (en) | 2019-06-24 | 2021-02-09 | Resonant Inc. | Split ladder acoustic wave filters |
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 |
US12191837B2 (en) | 2018-06-15 | 2025-01-07 | Murata Manufacturing Co., Ltd. | Solidly-mounted transversely-excited film bulk acoustic device |
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 |
US12149227B2 (en) | 2018-06-15 | 2024-11-19 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator package |
US12081187B2 (en) | 2018-06-15 | 2024-09-03 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator |
US12155374B2 (en) | 2021-04-02 | 2024-11-26 | Murata Manufacturing Co., Ltd. | Tiled transversely-excited film bulk acoustic resonator high power filters |
US11146238B2 (en) | 2018-06-15 | 2021-10-12 | Resonant Inc. | Film bulk acoustic resonator fabrication method |
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 |
US11228296B2 (en) | 2018-06-15 | 2022-01-18 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with a cavity having a curved perimeter |
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 |
US11349452B2 (en) | 2018-06-15 | 2022-05-31 | Resonant Inc. | Transversely-excited film bulk acoustic filters with symmetric layout |
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 |
US12040781B2 (en) | 2018-06-15 | 2024-07-16 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator package |
US11916539B2 (en) | 2020-02-28 | 2024-02-27 | Murata Manufacturing Co., Ltd. | Split-ladder band N77 filter using transversely-excited film bulk acoustic resonators |
US11728785B2 (en) | 2018-06-15 | 2023-08-15 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator using pre-formed cavities |
US11967945B2 (en) | 2018-06-15 | 2024-04-23 | Murata Manufacturing Co., Ltd. | Transversly-excited film bulk acoustic resonators and filters |
US12155371B2 (en) | 2021-03-29 | 2024-11-26 | Murata Manufacturing Co., Ltd. | Layout of xbars with multiple sub-resonators in series |
US10826462B2 (en) | 2018-06-15 | 2020-11-03 | Resonant Inc. | Transversely-excited film bulk acoustic resonators with molybdenum conductors |
US11201601B2 (en) | 2018-06-15 | 2021-12-14 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication method |
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 |
US11349450B2 (en) | 2018-06-15 | 2022-05-31 | Resonant Inc. | Symmetric transversely-excited film bulk acoustic resonators with reduced spurious modes |
US11171629B2 (en) | 2018-06-15 | 2021-11-09 | Resonant Inc. | Transversely-excited film bulk acoustic resonator using pre-formed cavities |
US11374549B2 (en) | 2018-06-15 | 2022-06-28 | Resonant Inc. | Filter using transversely-excited film bulk acoustic resonators with divided 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 |
US11323095B2 (en) | 2018-06-15 | 2022-05-03 | Resonant Inc. | Rotation in XY plane to suppress spurious modes in XBAR devices |
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 |
US12119808B2 (en) | 2018-06-15 | 2024-10-15 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator package |
US11949402B2 (en) | 2020-08-31 | 2024-04-02 | Murata Manufacturing Co., Ltd. | Resonators with different membrane thicknesses on the same die |
US11996822B2 (en) | 2018-06-15 | 2024-05-28 | Murata Manufacturing Co., Ltd. | Wide bandwidth time division duplex transceiver |
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 |
DE102019210587A1 (de) | 2018-07-18 | 2020-01-23 | Skyworks Solutions, Inc. | FBAR-Filter mit integrierter Abbruchschaltung |
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 |
US11901873B2 (en) | 2019-03-14 | 2024-02-13 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with partial BRAGG reflectors |
US11271541B2 (en) | 2019-03-15 | 2022-03-08 | Resonant Inc. | Microwave duplexer using coupled inductors to improve isolation |
DE112020001765T5 (de) | 2019-04-05 | 2021-12-23 | Resonant Inc. | Packung eines transversal angeregten akustischen Filmvolumenresonators und Verfahren |
US12034423B2 (en) | 2019-06-27 | 2024-07-09 | Murata Manufacturing Co., Ltd | XBAR frontside etch process using polysilicon sacrificial layer |
US10911021B2 (en) | 2019-06-27 | 2021-02-02 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with lateral etch stop |
JP7395942B2 (ja) * | 2019-10-16 | 2023-12-12 | 株式会社村田製作所 | フィルタ装置 |
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 |
US20210273629A1 (en) | 2020-02-28 | 2021-09-02 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with multi-pitch interdigital transducer |
JP2021150688A (ja) * | 2020-03-16 | 2021-09-27 | 太陽誘電株式会社 | 電子部品、マルチプレクサおよびモジュール |
CN111525908B (zh) * | 2020-04-30 | 2021-12-28 | 诺思(天津)微系统有限责任公司 | 调整滤波器带外抑制的方法以及多工器和通信设备 |
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 |
US11817845B2 (en) | 2020-07-09 | 2023-11-14 | Murata Manufacturing Co., Ltd. | Method for making transversely-excited film bulk acoustic resonators with piezoelectric diaphragm supported by piezoelectric substrate |
US11264969B1 (en) | 2020-08-06 | 2022-03-01 | Resonant Inc. | Transversely-excited film bulk acoustic resonator comprising small cells |
US11271539B1 (en) | 2020-08-19 | 2022-03-08 | Resonant Inc. | Transversely-excited film bulk acoustic resonator with tether-supported diaphragm |
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 |
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 |
US11658639B2 (en) | 2020-10-05 | 2023-05-23 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator matrix filters with noncontiguous passband |
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 |
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 |
US12119806B2 (en) | 2020-10-30 | 2024-10-15 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with spiral interdigitated transducer fingers |
US12003226B2 (en) | 2020-11-11 | 2024-06-04 | Murata Manufacturing Co., Ltd | Transversely-excited film bulk acoustic resonator with low thermal impedance |
US12255617B2 (en) | 2020-11-11 | 2025-03-18 | Murata Manufacturing Co., Ltd. | Solidly-mounted transversely-excited film bulk acoustic resonators with low thermal impedance |
US11496113B2 (en) | 2020-11-13 | 2022-11-08 | Resonant Inc. | XBAR devices 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 |
US12126318B2 (en) | 2021-01-15 | 2024-10-22 | Murata Manufacturing Co., Ltd. | Filters using decoupled transversely-excited film bulk acoustic resonators |
US11239816B1 (en) | 2021-01-15 | 2022-02-01 | Resonant Inc. | Decoupled 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 |
US12107568B2 (en) | 2021-03-24 | 2024-10-01 | Murata Manufacturing Co., Ltd. | Composite transversely-excited film bulk acoustic resonator circuits having a capacitor for improved rejection |
US12126328B2 (en) | 2021-03-24 | 2024-10-22 | Murata Manufacturing Co., Ltd. | Acoustic filters with shared acoustic tracks |
US12224735B2 (en) | 2021-03-30 | 2025-02-11 | Murata Manufacturing Co., Ltd. | Diplexer using decoupled transversely-excited film bulk acoustic resonators |
US12249971B2 (en) | 2021-04-02 | 2025-03-11 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with solidly mounted resonator (SMR) pedestals |
US12237823B2 (en) | 2021-04-02 | 2025-02-25 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonators with solidly mounted resonator (SMR) pedestals |
US12199584B2 (en) | 2021-04-16 | 2025-01-14 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator fabrication using wafer-to-wafer bonding |
US12255633B2 (en) | 2021-04-16 | 2025-03-18 | Murata Manufacturing Co., Ltd. | Filter using transversely-excited film bulk acoustic resonators |
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 |
US12160220B2 (en) | 2021-04-30 | 2024-12-03 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with oxide strip acoustic confinement structures |
US12057823B2 (en) | 2021-05-07 | 2024-08-06 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator with concentric interdigitated transducer fingers |
US12075700B2 (en) | 2021-05-07 | 2024-08-27 | Murata Manufacturing Co., Ltd. | Transversely-excited film bulk acoustic resonator fabrication using polysilicon pillars |
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 |
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 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1394389A (zh) * | 2000-08-21 | 2003-01-29 | 株式会社村田制作所 | 声表面波滤波器件 |
CN1543065A (zh) * | 2003-04-28 | 2004-11-03 | 富士通媒体部品株式会社 | 使用表面声波滤波器的双工器 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0998056A (ja) * | 1995-09-29 | 1997-04-08 | Toshiba Corp | 弾性表面波装置 |
JPH10200370A (ja) | 1997-01-10 | 1998-07-31 | Murata Mfg Co Ltd | 弾性表面波フィルタ |
DE69722168T2 (de) | 1997-02-12 | 2003-12-18 | Oki Electric Ind Co Ltd | Akustische Oberflächenwellenfilter mit erzeugten Dämpfungspolen durch Impedanzschaltungen |
DE19932649A1 (de) | 1999-07-13 | 2001-02-08 | Epcos Ag | SAW-Filter des Reaktanzfiltertyps mit verbesserter Sperrbereichsunterdrückung und Verfahren zur Optimierung der Sperrbereichsunterdrückung |
JP2003298392A (ja) * | 2002-03-29 | 2003-10-17 | Fujitsu Media Device Kk | フィルタチップ及びフィルタ装置 |
JP3981590B2 (ja) * | 2002-05-31 | 2007-09-26 | Tdk株式会社 | 弾性表面波フィルタ素子、弾性表面波フィルタ素子用ベース基板及び弾性表面波フィルタ素子を備える弾性表面波装置 |
JP3967289B2 (ja) * | 2003-04-30 | 2007-08-29 | 富士通メディアデバイス株式会社 | 分波器及び電子装置 |
JP2005124139A (ja) * | 2003-09-25 | 2005-05-12 | Murata Mfg Co Ltd | 分波器、通信機 |
JP4390682B2 (ja) * | 2003-11-20 | 2009-12-24 | パナソニック株式会社 | 圧電共振器を用いたフィルタ |
US7301420B2 (en) * | 2003-11-20 | 2007-11-27 | Matsushita Electric Industrial Co., Ltd. | Piezoelectric resonator filter |
JP2005223572A (ja) * | 2004-02-05 | 2005-08-18 | Ube Ind Ltd | 薄膜圧電共振器を用いたフィルタ及び送受切換器 |
JP2005295203A (ja) | 2004-03-31 | 2005-10-20 | Tdk Corp | デュプレクサ |
-
2005
- 2005-11-15 JP JP2005330335A patent/JP4585431B2/ja active Active
-
2006
- 2006-11-14 US US11/598,570 patent/US7941103B2/en active Active
- 2006-11-15 CN CN2006101465393A patent/CN1968012B/zh active Active
- 2006-11-15 KR KR1020060112817A patent/KR100847637B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1394389A (zh) * | 2000-08-21 | 2003-01-29 | 株式会社村田制作所 | 声表面波滤波器件 |
CN1543065A (zh) * | 2003-04-28 | 2004-11-03 | 富士通媒体部品株式会社 | 使用表面声波滤波器的双工器 |
Also Published As
Publication number | Publication date |
---|---|
KR20070051759A (ko) | 2007-05-18 |
JP4585431B2 (ja) | 2010-11-24 |
JP2007142560A (ja) | 2007-06-07 |
US7941103B2 (en) | 2011-05-10 |
US20070111674A1 (en) | 2007-05-17 |
KR100847637B1 (ko) | 2008-07-21 |
CN1968012A (zh) | 2007-05-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1968012B (zh) | 双工器 | |
US6943645B2 (en) | Surface acoustic wave duplexer and communication apparatus having the same | |
CN100474774C (zh) | 使用表面声波滤波器的双工器和电子设备 | |
US11476226B2 (en) | Radio-frequency module and communication device | |
JP4255959B2 (ja) | バランスフィルタおよび分波器 | |
KR100733101B1 (ko) | 분파기 | |
US11757429B2 (en) | Hybrid filter device and multiplexer | |
EP1675262B1 (en) | Duplexer | |
US7629863B2 (en) | Filter and duplexer | |
JP2007074698A (ja) | 分波器及びラダー型フィルタ | |
JP2003198325A (ja) | 分波器、通信装置 | |
JP3967289B2 (ja) | 分波器及び電子装置 | |
US9941859B2 (en) | Ladder-type filter, duplexer, and module | |
US20060238272A1 (en) | Filter and duplexer | |
US7276992B2 (en) | Antenna duplexer and electronic device | |
JP2003152590A (ja) | アンテナスイッチモジュール | |
KR20050001227A (ko) | 세라믹 패키지 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TAIYO YUDEN CO., LTD. Free format text: FORMER OWNER: FUJITSU LTD. |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20100802 Address after: Kanagawa Applicant after: Fujitsu Media Devices Ltd Co-applicant after: Taiyo Yuden Co., Ltd. Address before: Kanagawa Applicant before: Fujitsu Media Devices Ltd Co-applicant before: Fujitsu Ltd. |
|
ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: TAIYO YUDEN CO., LTD. Owner name: TAIYO YUDEN CO., LTD. Free format text: FORMER OWNER: FUJITSU MEDIA DEVICES LTD Effective date: 20101201 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: KANAGAWA PREFECTURE, JAPAN TO: TOKYO, JAPAN |
|
TR01 | Transfer of patent right |
Effective date of registration: 20101201 Address after: Tokyo, Japan, Japan Patentee after: Taiyo Yuden Co., Ltd. Address before: Kanagawa Co-patentee before: Taiyo Yuden Co., Ltd. Patentee before: Fujitsu Media Devices Ltd |