FI20106063A7 - Akustisesti kytketty laajakaistainen ohutkalvo-BAW-suodatin - Google Patents

Akustisesti kytketty laajakaistainen ohutkalvo-BAW-suodatin Download PDF

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Publication number
FI20106063A7
FI20106063A7 FI20106063A FI20106063A FI20106063A7 FI 20106063 A7 FI20106063 A7 FI 20106063A7 FI 20106063 A FI20106063 A FI 20106063A FI 20106063 A FI20106063 A FI 20106063A FI 20106063 A7 FI20106063 A7 FI 20106063A7
Authority
FI
Finland
Prior art keywords
acoustically coupled
wide
baw filter
coupled thin
film baw
Prior art date
Application number
FI20106063A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI20106063A0 (fi
FI20106063L (fi
Inventor
Tuomas Pensala
Johanna Meltaus
Original Assignee
Valtion Teknillinen Tutkimuskeskus
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Valtion Teknillinen Tutkimuskeskus filed Critical Valtion Teknillinen Tutkimuskeskus
Priority to FI20106063A priority Critical patent/FI20106063L/fi
Publication of FI20106063A0 publication Critical patent/FI20106063A0/fi
Priority to CN2011800498577A priority patent/CN103222191A/zh
Priority to PCT/FI2011/050891 priority patent/WO2012049372A1/en
Priority to CN201810521377.XA priority patent/CN108988819A/zh
Priority to US13/879,028 priority patent/US9893712B2/en
Priority to EP11832194.2A priority patent/EP2628246B1/en
Priority to JP2013533251A priority patent/JP5926735B2/ja
Publication of FI20106063A7 publication Critical patent/FI20106063A7/fi
Publication of FI20106063L publication Critical patent/FI20106063L/fi
Priority to US15/893,717 priority patent/US10778186B2/en
Priority to US17/008,077 priority patent/US11374551B2/en
Priority to US17/849,744 priority patent/US12191843B2/en

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/54Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/547Notch filters, e.g. notch BAW or thin film resonator filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02Apparatus 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/54Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56Monolithic crystal filters
    • H03H9/564Monolithic crystal filters implemented with thin-film techniques
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/54Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56Monolithic crystal filters
    • H03H9/566Electric coupling means therefor
    • H03H9/568Electric coupling means therefor consisting of a ladder configuration

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FI20106063A 2010-10-14 2010-10-14 Akustisesti kytketty laajakaistainen ohutkalvo-BAW-suodatin FI20106063L (fi)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FI20106063A FI20106063L (fi) 2010-10-14 2010-10-14 Akustisesti kytketty laajakaistainen ohutkalvo-BAW-suodatin
JP2013533251A JP5926735B2 (ja) 2010-10-14 2011-10-14 広帯域音響結合薄膜bawフィルタ
US13/879,028 US9893712B2 (en) 2010-10-14 2011-10-14 Wide-band acoustically coupled thin-film BAW filter
PCT/FI2011/050891 WO2012049372A1 (en) 2010-10-14 2011-10-14 Wide-band acoustically coupled thin-film baw filter
CN201810521377.XA CN108988819A (zh) 2010-10-14 2011-10-14 宽带声耦合薄膜baw滤波器
CN2011800498577A CN103222191A (zh) 2010-10-14 2011-10-14 宽带声耦合薄膜baw滤波器
EP11832194.2A EP2628246B1 (en) 2010-10-14 2011-10-14 Wide-band acoustically coupled thin-film baw filter
US15/893,717 US10778186B2 (en) 2010-10-14 2018-02-12 Wide-band acoustically coupled thin-film BAW filter
US17/008,077 US11374551B2 (en) 2010-10-14 2020-08-31 Wide-band acoustically coupled thin-film BAW filter
US17/849,744 US12191843B2 (en) 2010-10-14 2022-06-27 Wide-band acoustically coupled thin-film BAW filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20106063A FI20106063L (fi) 2010-10-14 2010-10-14 Akustisesti kytketty laajakaistainen ohutkalvo-BAW-suodatin

Publications (3)

Publication Number Publication Date
FI20106063A0 FI20106063A0 (fi) 2010-10-14
FI20106063A7 true FI20106063A7 (fi) 2012-06-08
FI20106063L FI20106063L (fi) 2012-06-08

Family

ID=43064221

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20106063A FI20106063L (fi) 2010-10-14 2010-10-14 Akustisesti kytketty laajakaistainen ohutkalvo-BAW-suodatin

Country Status (6)

Country Link
US (4) US9893712B2 (OSRAM)
EP (1) EP2628246B1 (OSRAM)
JP (1) JP5926735B2 (OSRAM)
CN (2) CN103222191A (OSRAM)
FI (1) FI20106063L (OSRAM)
WO (1) WO2012049372A1 (OSRAM)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20106063L (fi) 2010-10-14 2012-06-08 Valtion Teknillinen Akustisesti kytketty laajakaistainen ohutkalvo-BAW-suodatin
FI124732B (en) * 2011-11-11 2014-12-31 Teknologian Tutkimuskeskus Vtt Lateral connected bulk wave filter with improved passband characteristics
US20140127857A1 (en) * 2012-11-07 2014-05-08 Taiwan Semiconductor Manufacturing Company, Ltd. Carrier Wafers, Methods of Manufacture Thereof, and Packaging Methods
DE102012111889B9 (de) * 2012-12-06 2014-09-04 Epcos Ag Elektroakustischer Wandler
CN103929148B (zh) * 2013-01-11 2017-09-19 中兴通讯股份有限公司 一种低插损压电声波带通滤波器及实现方法
US9281800B2 (en) * 2014-01-24 2016-03-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Resonator filter device having narrow pass-band
US20160079958A1 (en) * 2014-05-30 2016-03-17 Avago Technologies General Ip (Singapore) Pte. Ltd. Acoustic resonator comprising vertically extended acoustic cavity
US10084425B2 (en) 2015-05-29 2018-09-25 Avago Technologies General Ip (Singapore) Pte. Ltd. Acoustic resonator structure having comprising a plurality of connection-side contacts
WO2017141874A1 (ja) * 2016-02-16 2017-08-24 シャープ株式会社 走査アンテナ
US11228299B2 (en) * 2017-02-02 2022-01-18 Taiyo Yuden Co., Ltd. Piezoelectric thin film resonator with insertion film, filter, and multiplexer
WO2018187742A1 (en) * 2017-04-06 2018-10-11 Arizona Board Of Regents On Behalf Of The University Of Arizona Systems and methods for a quantum-analogue computer
JP7037336B2 (ja) * 2017-11-16 2022-03-16 太陽誘電株式会社 弾性波デバイスおよびその製造方法、フィルタ並びにマルチプレクサ
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
US11206009B2 (en) 2019-08-28 2021-12-21 Resonant Inc. Transversely-excited film bulk acoustic resonator with interdigital transducer with varied mark and pitch
US11929731B2 (en) 2018-02-18 2024-03-12 Murata Manufacturing Co., Ltd. Transversely-excited film bulk acoustic resonator with optimized electrode mark, and pitch
US12088281B2 (en) 2021-02-03 2024-09-10 Murata Manufacturing Co., Ltd. Transversely-excited film bulk acoustic resonator with multi-mark interdigital transducer
US10911023B2 (en) 2018-06-15 2021-02-02 Resonant Inc. Transversely-excited film bulk acoustic resonator with etch-stop layer
US11323089B2 (en) 2018-06-15 2022-05-03 Resonant Inc. Filter using piezoelectric film bonded to high resistivity silicon substrate with trap-rich layer
US10790802B2 (en) 2018-06-15 2020-09-29 Resonant Inc. Transversely excited film bulk acoustic resonator using rotated Y-X cut lithium niobate
US11509279B2 (en) 2020-07-18 2022-11-22 Resonant Inc. Acoustic resonators and filters with reduced temperature coefficient of frequency
US11996827B2 (en) 2018-06-15 2024-05-28 Murata Manufacturing Co., Ltd. Transversely-excited film bulk acoustic resonator with periodic etched holes
US10637438B2 (en) 2018-06-15 2020-04-28 Resonant Inc. Transversely-excited film bulk acoustic resonators for high power applications
US11936358B2 (en) 2020-11-11 2024-03-19 Murata Manufacturing Co., Ltd. Transversely-excited film bulk acoustic resonator with low thermal impedance
US11146232B2 (en) 2018-06-15 2021-10-12 Resonant Inc. Transversely-excited film bulk acoustic resonator with reduced spurious modes
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
US10985728B2 (en) 2018-06-15 2021-04-20 Resonant Inc. Transversely-excited film bulk acoustic resonator and filter with a uniform-thickness dielectric overlayer
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
US12095441B2 (en) 2018-06-15 2024-09-17 Murata Manufacturing Co., Ltd. Transversely excited film bulk acoustic resonator with recessed interdigital transducer fingers
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
US10826462B2 (en) 2018-06-15 2020-11-03 Resonant Inc. Transversely-excited film bulk acoustic resonators with molybdenum conductors
US10998882B2 (en) 2018-06-15 2021-05-04 Resonant Inc. XBAR resonators with non-rectangular diaphragms
US12301212B2 (en) 2018-06-15 2025-05-13 Murata Manufacturing Co., Ltd. XBAR resonators with non-rectangular diaphragms
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
US12040781B2 (en) 2018-06-15 2024-07-16 Murata Manufacturing Co., Ltd. Transversely-excited film bulk acoustic resonator package
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
US11996822B2 (en) 2018-06-15 2024-05-28 Murata Manufacturing Co., Ltd. Wide bandwidth time division duplex transceiver
US12149227B2 (en) 2018-06-15 2024-11-19 Murata Manufacturing Co., Ltd. Transversely-excited film bulk acoustic resonator package
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
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
US10992284B2 (en) 2018-06-15 2021-04-27 Resonant Inc. Filter using transversely-excited film bulk acoustic resonators with multiple frequency setting layers
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
US12081187B2 (en) 2018-06-15 2024-09-03 Murata Manufacturing Co., Ltd. Transversely-excited film bulk acoustic resonator
US11870423B2 (en) 2018-06-15 2024-01-09 Murata Manufacturing Co., Ltd. Wide bandwidth temperature-compensated transversely-excited film bulk acoustic resonator
US11146238B2 (en) 2018-06-15 2021-10-12 Resonant Inc. Film bulk acoustic resonator fabrication method
US10797675B2 (en) 2018-06-15 2020-10-06 Resonant Inc. Transversely excited film bulk acoustic resonator using rotated z-cut lithium niobate
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
US12191837B2 (en) 2018-06-15 2025-01-07 Murata Manufacturing Co., Ltd. Solidly-mounted transversely-excited film bulk acoustic device
US11323091B2 (en) 2018-06-15 2022-05-03 Resonant Inc. Transversely-excited film bulk acoustic resonator with diaphragm support pedestals
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
US11323095B2 (en) 2018-06-15 2022-05-03 Resonant Inc. Rotation in XY plane to suppress spurious modes in XBAR devices
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
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
US11967945B2 (en) 2018-06-15 2024-04-23 Murata Manufacturing Co., Ltd. Transversly-excited film bulk acoustic resonators and filters
US11888463B2 (en) 2018-06-15 2024-01-30 Murata Manufacturing Co., Ltd. Multi-port filter using transversely-excited film bulk acoustic resonators
US12119808B2 (en) 2018-06-15 2024-10-15 Murata Manufacturing Co., Ltd. Transversely-excited film bulk acoustic resonator package
US11646714B2 (en) * 2018-07-10 2023-05-09 Texas Instruments Incorporated Laterally vibrating bulk acoustic wave resonator
US10547281B1 (en) * 2018-07-13 2020-01-28 Qualcomm Incorporated Source impedance tuning circuit for a receive path
CN109167638A (zh) * 2018-07-18 2019-01-08 黑龙江工商学院 深海通信网络节点设备和深海通信网络系统
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
DE112019005403T5 (de) * 2018-10-31 2021-07-15 Resonant Inc. Fest montierter transversal angeregter akustischer filmvolumenresonator
US11146241B2 (en) 2019-02-08 2021-10-12 Vtt Technical Research Centre Of Finland Ltd Low loss acoustic device
JP7556358B2 (ja) 2019-03-14 2024-09-26 株式会社村田製作所 音響共振装置、フィルター装置及び音響共振装置の製造方法
WO2020206433A1 (en) 2019-04-05 2020-10-08 Resonant Inc. Transversely-excited film bulk acoustic resonator package and method
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
EP4032183A2 (en) * 2019-09-18 2022-07-27 Frec'n'sys Transducer structure for an acoustic wave device
US11223341B2 (en) 2019-10-22 2022-01-11 Vtt Technical Research Centre Of Finland Ltd Suppressing parasitic sidebands in lateral bulk acoustic wave resonators
CN111010123B (zh) * 2019-10-23 2021-06-01 诺思(天津)微系统有限责任公司 电极具有空隙层和凸起结构的体声波谐振器、滤波器及电子设备
CN110931922A (zh) * 2019-11-25 2020-03-27 武汉大学 一种基于压电双模态谐振器的双通带滤波器
US11552614B2 (en) 2019-12-03 2023-01-10 Skyworks Solutions, Inc. Laterally excited bulk wave device with acoustic mirrors
CN111917392A (zh) * 2020-04-14 2020-11-10 诺思(天津)微系统有限责任公司 压电滤波器及其带外抑制改善方法、多工器、通信设备
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
WO2022061618A1 (zh) * 2020-09-23 2022-03-31 华为技术有限公司 谐振器及其制备方法、滤波器、电子设备
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
US20230104500A1 (en) * 2021-10-04 2023-04-06 Skyworks Solutions, Inc. Stacked acoustic wave devices with solid acoustic mirror therebetween
CN114124024A (zh) * 2021-12-01 2022-03-01 苏州敏芯微电子技术股份有限公司 一种体声波谐振器及其制造方法
US12301211B2 (en) * 2022-09-09 2025-05-13 Rf360 Singapore Pte. Ltd. Microacoustic filter with a cavity stack
CN116781033B (zh) * 2023-06-08 2025-04-08 中国科学院上海微系统与信息技术研究所 一种高频声波谐振器及其制备方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3564463A (en) * 1966-04-11 1971-02-16 Bell Telephone Labor Inc Monolithic piezoelectric filter having mass loaded electrodes for resonation regions acoustically coupled together
US3944951A (en) * 1974-11-21 1976-03-16 Bell Telephone Laboratories, Incorporated Monolithic crystal filter
JPS5545284A (en) * 1978-09-27 1980-03-29 Toyo Commun Equip Co Ltd Slip wave crystal vibration device
JPH11112281A (ja) * 1997-10-06 1999-04-23 Kyocera Corp 振動子
JP3303772B2 (ja) * 1998-04-20 2002-07-22 株式会社村田製作所 圧電体素子
GB0014630D0 (en) * 2000-06-16 2000-08-09 Koninkl Philips Electronics Nv Bulk accoustic wave filter
GB0014963D0 (en) * 2000-06-20 2000-08-09 Koninkl Philips Electronics Nv A bulk acoustic wave device
US6670866B2 (en) * 2002-01-09 2003-12-30 Nokia Corporation Bulk acoustic wave resonator with two piezoelectric layers as balun in filters and duplexers
CN100492902C (zh) * 2003-10-06 2009-05-27 Nxp股份有限公司 阶梯形薄膜体声波滤波器
CN100583626C (zh) * 2003-10-06 2010-01-20 Nxp股份有限公司 谐振器结构及其制造方法
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
WO2006126168A1 (en) * 2005-05-27 2006-11-30 Nxp B.V. Bulk acoustic wave resonator device
JP2009510884A (ja) * 2005-09-30 2009-03-12 エヌエックスピー ビー ヴィ 薄膜バルク音響(baw)共振器におけるまたはそれに関連する改良
WO2007060557A1 (en) * 2005-11-25 2007-05-31 Nxp B.V. Bulk acoustic wave resonator device
DE102005061344A1 (de) * 2005-12-21 2007-06-28 Epcos Ag Mit akustischen Volumenwellen arbeitender Resonator
US7847656B2 (en) * 2006-07-27 2010-12-07 Georgia Tech Research Corporation Monolithic thin-film piezoelectric filters
JP2008079294A (ja) * 2006-08-25 2008-04-03 Matsushita Electric Ind Co Ltd 薄膜弾性波共振器およびその製造方法
US7893793B2 (en) * 2006-08-25 2011-02-22 Panasonic Corporation Film bulk acoustic wave resonator and method for manufacturing the same
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
US8258894B2 (en) * 2007-05-31 2012-09-04 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Coupled resonator filter with a filter section
US8810108B2 (en) * 2010-09-09 2014-08-19 Georgia Tech Research Corporation Multi-mode bulk-acoustic-wave resonators
FI20106063L (fi) * 2010-10-14 2012-06-08 Valtion Teknillinen Akustisesti kytketty laajakaistainen ohutkalvo-BAW-suodatin

Also Published As

Publication number Publication date
US9893712B2 (en) 2018-02-13
US20130278356A1 (en) 2013-10-24
JP2013539946A (ja) 2013-10-28
FI20106063A0 (fi) 2010-10-14
US20180212589A1 (en) 2018-07-26
WO2012049372A1 (en) 2012-04-19
US10778186B2 (en) 2020-09-15
US11374551B2 (en) 2022-06-28
EP2628246A1 (en) 2013-08-21
FI20106063L (fi) 2012-06-08
EP2628246B1 (en) 2023-05-10
JP5926735B2 (ja) 2016-05-25
US20220407500A1 (en) 2022-12-22
US12191843B2 (en) 2025-01-07
US20210058066A1 (en) 2021-02-25
CN103222191A (zh) 2013-07-24
EP2628246A4 (en) 2014-06-18
CN108988819A (zh) 2018-12-11

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