CN100586010C - 声体波滤波器及消去不要的侧通带方法 - Google Patents
声体波滤波器及消去不要的侧通带方法 Download PDFInfo
- Publication number
- CN100586010C CN100586010C CN200510054386A CN200510054386A CN100586010C CN 100586010 C CN100586010 C CN 100586010C CN 200510054386 A CN200510054386 A CN 200510054386A CN 200510054386 A CN200510054386 A CN 200510054386A CN 100586010 C CN100586010 C CN 100586010C
- Authority
- CN
- China
- Prior art keywords
- oscillator
- layer
- group
- frequency
- film
- 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
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 239000010409 thin film Substances 0.000 claims abstract 2
- 230000010355 oscillation Effects 0.000 claims description 74
- 239000000463 material Substances 0.000 claims description 36
- 230000008021 deposition Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 238000005530 etching Methods 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- 208000035126 Facies Diseases 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- 239000010408 film Substances 0.000 claims 41
- 229910052750 molybdenum Inorganic materials 0.000 claims 2
- 238000000151 deposition Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 101150064138 MAP1 gene Proteins 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000004891 communication Methods 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
- 230000005684 electric field Effects 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 230000010358 mechanical oscillation Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 229910017083 AlN Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 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 devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezo-electric or electrostrictive material
- H03H9/56—Monolithic crystal filters
- H03H9/564—Monolithic crystal filters implemented with thin-film techniques
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—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
Abstract
Description
Claims (26)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04005574.1 | 2004-03-09 | ||
EP04005574A EP1575165B1 (en) | 2004-03-09 | 2004-03-09 | Bulk acoustic wave filter and method for eliminating unwanted side passands |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1667947A CN1667947A (zh) | 2005-09-14 |
CN100586010C true CN100586010C (zh) | 2010-01-27 |
Family
ID=34814277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200510054386A Active CN100586010C (zh) | 2004-03-09 | 2005-03-09 | 声体波滤波器及消去不要的侧通带方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7439824B2 (zh) |
EP (1) | EP1575165B1 (zh) |
JP (1) | JP4318653B2 (zh) |
CN (1) | CN100586010C (zh) |
DE (1) | DE602004013534D1 (zh) |
Families Citing this family (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7275292B2 (en) | 2003-03-07 | 2007-10-02 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Method for fabricating an acoustical resonator on a substrate |
DE102004042941B3 (de) * | 2004-09-02 | 2006-04-06 | Infineon Technologies Ag | Hochfrequenzmodul mit Filterstrukturen und Verfahren zu dessen Herstellung |
US7388454B2 (en) | 2004-10-01 | 2008-06-17 | Avago Technologies Wireless Ip Pte Ltd | Acoustic resonator performance enhancement using alternating frame structure |
US8981876B2 (en) | 2004-11-15 | 2015-03-17 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Piezoelectric resonator structures and electrical filters having frame elements |
US7202560B2 (en) | 2004-12-15 | 2007-04-10 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Wafer bonding of micro-electro mechanical systems to active circuitry |
US7791434B2 (en) * | 2004-12-22 | 2010-09-07 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Acoustic resonator performance enhancement using selective metal etch and having a trench in the piezoelectric |
US7369013B2 (en) | 2005-04-06 | 2008-05-06 | Avago Technologies Wireless Ip Pte Ltd | Acoustic resonator performance enhancement using filled recessed region |
EP1898525B1 (en) * | 2005-06-30 | 2013-05-22 | Panasonic Corporation | Acoustic resonator and filter |
US7868522B2 (en) | 2005-09-09 | 2011-01-11 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Adjusted frequency temperature coefficient resonator |
US7737807B2 (en) | 2005-10-18 | 2010-06-15 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Acoustic galvanic isolator incorporating series-connected decoupled stacked bulk acoustic resonators |
US7675390B2 (en) | 2005-10-18 | 2010-03-09 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Acoustic galvanic isolator incorporating single decoupled stacked bulk acoustic resonator |
US7463499B2 (en) | 2005-10-31 | 2008-12-09 | Avago Technologies General Ip (Singapore) Pte Ltd. | AC-DC power converter |
US7746677B2 (en) | 2006-03-09 | 2010-06-29 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | AC-DC converter circuit and power supply |
US7479685B2 (en) | 2006-03-10 | 2009-01-20 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Electronic device on substrate with cavity and mitigated parasitic leakage path |
US7791435B2 (en) | 2007-09-28 | 2010-09-07 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Single stack coupled resonators having differential output |
US7855618B2 (en) | 2008-04-30 | 2010-12-21 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Bulk acoustic resonator electrical impedance transformers |
US7732977B2 (en) | 2008-04-30 | 2010-06-08 | Avago Technologies Wireless Ip (Singapore) | Transceiver circuit for film bulk acoustic resonator (FBAR) transducers |
US7834720B2 (en) * | 2008-07-01 | 2010-11-16 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Bulk acoustic wave filter device and a method for trimming a bulk acoustic wave filter device |
WO2010013197A2 (en) * | 2008-08-01 | 2010-02-04 | Ecole polytechnique fédérale de Lausanne (EPFL) | Piezoelectric resonator operating in thickness shear mode |
US8291559B2 (en) * | 2009-02-24 | 2012-10-23 | Epcos Ag | Process for adapting resonance frequency of a BAW resonator |
US8902023B2 (en) | 2009-06-24 | 2014-12-02 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Acoustic resonator structure having an electrode with a cantilevered portion |
US8248185B2 (en) | 2009-06-24 | 2012-08-21 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Acoustic resonator structure comprising a bridge |
JP2011041136A (ja) * | 2009-08-17 | 2011-02-24 | Taiyo Yuden Co Ltd | 弾性波デバイスおよびその製造方法 |
US8193877B2 (en) | 2009-11-30 | 2012-06-05 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Duplexer with negative phase shifting circuit |
US8796904B2 (en) | 2011-10-31 | 2014-08-05 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Bulk acoustic resonator comprising piezoelectric layer and inverse piezoelectric layer |
US9243316B2 (en) | 2010-01-22 | 2016-01-26 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Method of fabricating piezoelectric material with selected c-axis orientation |
US8173877B2 (en) * | 2010-03-05 | 2012-05-08 | Harris Moran Seed Company | Garden bean cultivar H28122 |
FI123640B (fi) | 2010-04-23 | 2013-08-30 | Teknologian Tutkimuskeskus Vtt | Laajakaistainen akustisesti kytketty ohutkalvo-BAW-suodin |
US8618620B2 (en) | 2010-07-13 | 2013-12-31 | Infineon Technologies Ag | Pressure sensor package systems and methods |
US8610333B2 (en) * | 2010-09-24 | 2013-12-17 | Wei Pang | Acoustic wave devices |
US8962443B2 (en) | 2011-01-31 | 2015-02-24 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Semiconductor device having an airbridge and method of fabricating the same |
US9203374B2 (en) | 2011-02-28 | 2015-12-01 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Film bulk acoustic resonator comprising a bridge |
US9136818B2 (en) | 2011-02-28 | 2015-09-15 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Stacked acoustic resonator comprising a bridge |
US9048812B2 (en) | 2011-02-28 | 2015-06-02 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Bulk acoustic wave resonator comprising bridge formed within piezoelectric layer |
US9083302B2 (en) | 2011-02-28 | 2015-07-14 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Stacked bulk acoustic resonator comprising a bridge and an acoustic reflector along a perimeter of the resonator |
US9148117B2 (en) | 2011-02-28 | 2015-09-29 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Coupled resonator filter comprising a bridge and frame elements |
US9425764B2 (en) | 2012-10-25 | 2016-08-23 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Accoustic resonator having composite electrodes with integrated lateral features |
US9154112B2 (en) | 2011-02-28 | 2015-10-06 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Coupled resonator filter comprising a bridge |
JP5597583B2 (ja) * | 2011-03-28 | 2014-10-01 | 太陽誘電株式会社 | タッチパネル装置及び電子機器 |
US8575820B2 (en) | 2011-03-29 | 2013-11-05 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Stacked bulk acoustic resonator |
US9444426B2 (en) | 2012-10-25 | 2016-09-13 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Accoustic resonator having integrated lateral feature and temperature compensation feature |
US8350445B1 (en) | 2011-06-16 | 2013-01-08 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Bulk acoustic resonator comprising non-piezoelectric layer and bridge |
US8922302B2 (en) | 2011-08-24 | 2014-12-30 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Acoustic resonator formed on a pedestal |
FI124732B (en) * | 2011-11-11 | 2014-12-31 | Teknologian Tutkimuskeskus Vtt | Laterally connected bulk wave filter with improved passband characteristics |
US9219517B2 (en) | 2013-10-02 | 2015-12-22 | Triquint Semiconductor, Inc. | Temperature compensated bulk acoustic wave devices using over-moded acoustic reflector layers |
KR102029503B1 (ko) * | 2014-12-08 | 2019-11-08 | 삼성전기주식회사 | 체적 음향 공진기 및 필터 |
WO2016203851A1 (ja) * | 2015-06-15 | 2016-12-22 | 川澄化学工業株式会社 | ステント及びステントグラフト |
US10038422B2 (en) * | 2016-08-25 | 2018-07-31 | Qualcomm Incorporated | Single-chip multi-frequency film bulk acoustic-wave resonators |
DE102016116263B4 (de) * | 2016-08-31 | 2018-07-19 | Snaptrack, Inc. | Filterbauelement und Herstellung eines Filterbauelements |
US20180152169A1 (en) * | 2016-11-30 | 2018-05-31 | Skyworks Solutions, Inc. | Saw filters with stepped-profile piezoelectric substrate |
DE102017110233A1 (de) * | 2017-05-11 | 2018-11-15 | RF360 Europe GmbH | SAW-Vorrichtung mit unterdrücktem Parasitärsignal |
US10601398B2 (en) * | 2018-04-13 | 2020-03-24 | Qorvo Us, Inc. | BAW structure having multiple BAW transducers over a common reflector, which has reflector layers of varying thicknesses |
JP7378723B2 (ja) * | 2019-09-30 | 2023-11-14 | 国立大学法人東北大学 | 弾性波デバイス |
CN111262548B (zh) * | 2019-12-31 | 2021-06-22 | 诺思(天津)微系统有限责任公司 | 体声波谐振器组、滤波器、电子设备、机电耦合系数调整方法 |
US20220045664A1 (en) * | 2020-08-10 | 2022-02-10 | RF360 Europe GmbH | Radio frequency (rf) filter with increased shunt resonator coupling coefficient |
CN112054781B (zh) * | 2020-09-11 | 2021-10-08 | 广东广纳芯科技有限公司 | 具有双层同向叉指换能器结构的高性能谐振器 |
EP4262088A4 (en) * | 2020-12-31 | 2024-02-21 | Huawei Tech Co Ltd | FILTER AND METHOD FOR PRODUCING THE FILTER |
CN113541635B (zh) * | 2021-06-30 | 2024-02-06 | 中国电子科技集团公司第五十五研究所 | 基于相位扰动层的高线性相位薄膜体声波滤波器 |
WO2024070851A1 (ja) * | 2022-09-30 | 2024-04-04 | 日東電工株式会社 | 圧電素子及び電子機器 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6107721A (en) | 1999-07-27 | 2000-08-22 | Tfr Technologies, Inc. | Piezoelectric resonators on a differentially offset reflector |
US6441703B1 (en) | 2000-01-18 | 2002-08-27 | Texas Instruments Incorporated | Multiple frequency acoustic reflector array and monolithic cover for resonators and method |
US6323744B1 (en) * | 2000-02-04 | 2001-11-27 | Agere Systems Guardian Corp. | Grounding of TFR ladder filters |
US6603241B1 (en) * | 2000-05-23 | 2003-08-05 | Agere Systems, Inc. | Acoustic mirror materials for acoustic devices |
US6441649B1 (en) * | 2000-12-29 | 2002-08-27 | Intel Corporation | Rail-to-rail input clocked amplifier |
US6407649B1 (en) * | 2001-01-05 | 2002-06-18 | Nokia Corporation | Monolithic FBAR duplexer and method of making the same |
US6518860B2 (en) * | 2001-01-05 | 2003-02-11 | Nokia Mobile Phones Ltd | BAW filters having different center frequencies on a single substrate and a method for providing same |
US6566979B2 (en) | 2001-03-05 | 2003-05-20 | Agilent Technologies, Inc. | Method of providing differential frequency adjusts in a thin film bulk acoustic resonator (FBAR) filter and apparatus embodying the method |
DE10124349A1 (de) * | 2001-05-18 | 2002-12-05 | Infineon Technologies Ag | Piezoelektrische Resonatorvorrichtung mit Verstimmungsschichtfolge |
US6657517B2 (en) * | 2001-12-20 | 2003-12-02 | Agere Systems, Inc. | Multi-frequency thin film resonators |
-
2004
- 2004-03-09 DE DE602004013534T patent/DE602004013534D1/de not_active Expired - Lifetime
- 2004-03-09 EP EP04005574A patent/EP1575165B1/en not_active Expired - Lifetime
-
2005
- 2005-03-01 US US11/069,715 patent/US7439824B2/en active Active
- 2005-03-09 JP JP2005066389A patent/JP4318653B2/ja active Active
- 2005-03-09 CN CN200510054386A patent/CN100586010C/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP1575165B1 (en) | 2008-05-07 |
EP1575165A1 (en) | 2005-09-14 |
US7439824B2 (en) | 2008-10-21 |
CN1667947A (zh) | 2005-09-14 |
US20050200433A1 (en) | 2005-09-15 |
DE602004013534D1 (de) | 2008-06-19 |
JP2005260964A (ja) | 2005-09-22 |
JP4318653B2 (ja) | 2009-08-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100586010C (zh) | 声体波滤波器及消去不要的侧通带方法 | |
US9450563B2 (en) | Acoustic wave bandpass filter comprising integrated acoustic guiding | |
CN1205745C (zh) | 体声波器件 | |
CN100571030C (zh) | 压电谐振滤波器和双工器 | |
Lakin | Bulk acoustic wave coupled resonator filters | |
US7804383B2 (en) | Coupled lamb wave resonators filter | |
US7868517B2 (en) | Lamb wave resonator | |
US9595939B2 (en) | Reactance filter having a steep edge | |
US20060214747A1 (en) | Single-port multi-resonator acoustic resonator device | |
US20150372658A1 (en) | Low-insertion-loss piezoelectric acoustic wave band-pass filter and realization method thereof | |
KR100321555B1 (ko) | 타원 필터 및 그 제조 방법 | |
CN108173528A (zh) | 滤波器 | |
JP4468185B2 (ja) | 等しい共振周波数を有する共振器フィルタ構造体 | |
US7170370B2 (en) | Filter device capable of obtaining attenuation characteristic of sharpness in narrow band width and branching filter using the same | |
JP2003534695A (ja) | フィルタの改善 | |
CN108649920A (zh) | 压电声波谐振器、压电声波滤波器、双工器及射频通信模块 | |
CN100511990C (zh) | 压电谐振器和具有该压电谐振器的电子部件 | |
JP2006513662A5 (zh) | ||
US20010038255A1 (en) | Film acoustic wave device, manufacturing method and circuit device | |
KR20040091407A (ko) | 기판으로부터 부양된 에어갭을 갖는 박막 벌크 음향공진기 및 그 제조방법 | |
CN113381725A (zh) | 一种利于小型化和扩大带宽的saw谐振器结构及saw滤波器 | |
CN216599564U (zh) | 一种硅背刻蚀fbar谐振器 | |
CN114614790A (zh) | 声表面波滤波器及其制造方法 | |
Komatsu et al. | Design of narrow bandwidth ladder-type filters with sharp transition bands using mutually connected resonator elements | |
CN207652404U (zh) | 滤波器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20081205 Address after: Singapore Singapore Applicant after: Avago Technologies Wireless IP Address before: Munich, Federal Republic of Germany Applicant before: Infennian Technologies AG |
|
ASS | Succession or assignment of patent right |
Owner name: AVAGO TECHNOLOGIES WIRELESS IP (SINGAPORE)PRIVATE Free format text: FORMER OWNER: INFINEON TECHNOLOGIES AG Effective date: 20081205 |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) CORPORAT Free format text: FORMER OWNER: AVAGO TECHNOLOGIES WIRELESS IP Effective date: 20130507 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130507 Address after: Singapore Singapore Patentee after: Avago Technologies Fiber IP Singapore Pte. Ltd. Address before: Singapore Singapore Patentee before: Avago Technologies Wireless IP |
|
TR01 | Transfer of patent right |
Effective date of registration: 20181022 Address after: Singapore Singapore Patentee after: Annwa high tech Limited by Share Ltd Address before: Singapore Singapore Patentee before: Avago Technologies Fiber IP Singapore Pte. Ltd. |
|
TR01 | Transfer of patent right |