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DE60036264D1 - Piezoelektrischer Resonator - Google Patents

Piezoelektrischer Resonator

Info

Publication number
DE60036264D1
DE60036264D1 DE60036264T DE60036264T DE60036264D1 DE 60036264 D1 DE60036264 D1 DE 60036264D1 DE 60036264 T DE60036264 T DE 60036264T DE 60036264 T DE60036264 T DE 60036264T DE 60036264 D1 DE60036264 D1 DE 60036264D1
Authority
DE
Germany
Prior art keywords
piezoelectric resonator
resonator
piezoelectric
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.)
Expired - Lifetime
Application number
DE60036264T
Other languages
English (en)
Other versions
DE60036264T2 (de
Inventor
Hidekazu Kitamura
Kazuhiro Inoue
Masaki Takeuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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
Priority claimed from JP2000253661A external-priority patent/JP3514222B2/ja
Priority claimed from JP2000283724A external-priority patent/JP3514224B2/ja
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Application granted granted Critical
Publication of DE60036264D1 publication Critical patent/DE60036264D1/de
Publication of DE60036264T2 publication Critical patent/DE60036264T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H03H9/02102—Means for compensation or elimination of undesirable effects of temperature influence
    • 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
    • H03H9/173—Air-gaps
    • 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
    • H03H9/174—Membranes
    • 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
    • H03H9/176—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of ceramic material

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
DE60036264T 1999-11-11 2000-11-08 Piezoelektrischer Resonator Expired - Lifetime DE60036264T2 (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP32158799 1999-11-11
JP32158799 1999-11-11
JP32718199 1999-11-17
JP32718199 1999-11-17
JP2000253661 2000-08-24
JP2000253661A JP3514222B2 (ja) 1999-11-17 2000-08-24 圧電共振子、電子部品及び電子機器
JP2000283724 2000-09-19
JP2000283724A JP3514224B2 (ja) 1999-11-11 2000-09-19 圧電共振子、フィルタ及び電子機器

Publications (2)

Publication Number Publication Date
DE60036264D1 true DE60036264D1 (de) 2007-10-18
DE60036264T2 DE60036264T2 (de) 2008-05-29

Family

ID=27480255

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60036264T Expired - Lifetime DE60036264T2 (de) 1999-11-11 2000-11-08 Piezoelektrischer Resonator

Country Status (3)

Country Link
US (1) US6441539B1 (de)
EP (1) EP1100196B1 (de)
DE (1) DE60036264T2 (de)

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100473871B1 (ko) * 2000-11-13 2005-03-08 주식회사 엠에스솔루션 박막 필터
JP3903842B2 (ja) * 2001-07-03 2007-04-11 株式会社村田製作所 圧電共振子、フィルタおよび電子通信機器
US6936954B2 (en) * 2001-08-29 2005-08-30 Honeywell International Inc. Bulk resonator
US6670866B2 (en) * 2002-01-09 2003-12-30 Nokia Corporation Bulk acoustic wave resonator with two piezoelectric layers as balun in filters and duplexers
US20100107389A1 (en) * 2002-01-11 2010-05-06 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Method of fabricating an electrode for a bulk acoustic resonator
DE10200741A1 (de) * 2002-01-11 2003-07-24 Infineon Technologies Ag Verfahren zur Herstellung einer topologieoptimierten Elektrode für einen Resonator in Dünnfilmtechnologie
US6816035B2 (en) * 2002-08-08 2004-11-09 Intel Corporation Forming film bulk acoustic resonator filters
JP4007172B2 (ja) * 2002-12-03 2007-11-14 ソニー株式会社 マイクロマシンおよびその製造方法
JP3889351B2 (ja) * 2002-12-11 2007-03-07 Ｔｄｋ株式会社 デュプレクサ
US7275292B2 (en) 2003-03-07 2007-10-02 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Method for fabricating an acoustical resonator on a substrate
US7038355B2 (en) * 2003-04-03 2006-05-02 Stmicroelectronics Sa Tunable microresonator on an insulating beam deformable by the difference in thermal expansion coefficients
KR100599083B1 (ko) 2003-04-22 2006-07-12 삼성전자주식회사 캔틸레버 형태의 압전 박막 공진 소자 및 그 제조방법
US6946928B2 (en) 2003-10-30 2005-09-20 Agilent Technologies, Inc. Thin-film acoustically-coupled transformer
EP1528677B1 (de) * 2003-10-30 2006-05-10 Agilent Technologies, Inc. Akustisch gekoppelter Dünnschicht-Transformator mit zwei piezoelektrischen Elementen, welche entgegengesetzte C-Axen Orientierung besitzten
US7332985B2 (en) * 2003-10-30 2008-02-19 Avago Technologies Wireless Ip (Singapore) Pte Ltd. Cavity-less film bulk acoustic resonator (FBAR) devices
US7362198B2 (en) 2003-10-30 2008-04-22 Avago Technologies Wireless Ip (Singapore) Pte. Ltd Pass bandwidth control in decoupled stacked bulk acoustic resonator devices
US7019605B2 (en) 2003-10-30 2006-03-28 Larson Iii John D Stacked bulk acoustic resonator band-pass filter with controllable pass bandwidth
US7242270B2 (en) * 2003-10-30 2007-07-10 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Decoupled stacked bulk acoustic resonator-based band-pass filter
US7227759B2 (en) * 2004-04-01 2007-06-05 Silicon Pipe, Inc. Signal-segregating connector system
US7615833B2 (en) 2004-07-13 2009-11-10 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Film bulk acoustic resonator package and method of fabricating same
US7388454B2 (en) 2004-10-01 2008-06-17 Avago Technologies Wireless Ip Pte Ltd Acoustic resonator performance enhancement using alternating frame structure
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
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
WO2006087878A1 (ja) * 2005-02-21 2006-08-24 Murata Manufacturing Co., Ltd. 圧電薄膜共振子
US7427819B2 (en) 2005-03-04 2008-09-23 Avago Wireless Ip Pte Ltd Film-bulk acoustic wave resonator with motion plate and method
US7369013B2 (en) 2005-04-06 2008-05-06 Avago Technologies Wireless Ip Pte Ltd Acoustic resonator performance enhancement using filled recessed region
US7436269B2 (en) 2005-04-18 2008-10-14 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Acoustically coupled resonators and method of making the same
US7934884B2 (en) * 2005-04-27 2011-05-03 Lockhart Industries, Inc. Ring binder cover
US7619347B1 (en) 2005-05-24 2009-11-17 Rf Micro Devices, Inc. Layer acoustic wave device and method of making the same
US7443269B2 (en) 2005-07-27 2008-10-28 Avago Technologies General Ip (Singapore) Pte. Ltd. Method and apparatus for selectively blocking radio frequency (RF) signals in a radio frequency (RF) switching circuit
US7868522B2 (en) 2005-09-09 2011-01-11 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Adjusted frequency temperature coefficient resonator
US7391286B2 (en) 2005-10-06 2008-06-24 Avago Wireless Ip Pte Ltd Impedance matching and parasitic capacitor resonance of FBAR resonators and coupled filters
US7423503B2 (en) 2005-10-18 2008-09-09 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Acoustic galvanic isolator incorporating film acoustically-coupled transformer
US7525398B2 (en) 2005-10-18 2009-04-28 Avago Technologies General Ip (Singapore) Pte. Ltd. Acoustically communicating data signals across an electrical isolation barrier
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
US7425787B2 (en) 2005-10-18 2008-09-16 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Acoustic galvanic isolator incorporating single insulated decoupled stacked bulk acoustic resonator with acoustically-resonant electrical insulator
US7463499B2 (en) 2005-10-31 2008-12-09 Avago Technologies General Ip (Singapore) Pte Ltd. AC-DC power converter
US7561009B2 (en) 2005-11-30 2009-07-14 Avago Technologies General Ip (Singapore) Pte. Ltd. Film bulk acoustic resonator (FBAR) devices with temperature compensation
JP2007181185A (ja) * 2005-12-01 2007-07-12 Sony Corp 音響共振器およびその製造方法
US7612636B2 (en) 2006-01-30 2009-11-03 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Impedance transforming bulk acoustic wave baluns
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
US7629865B2 (en) 2006-05-31 2009-12-08 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Piezoelectric resonator structures and electrical filters
FI121722B (fi) * 2006-09-18 2011-03-15 Valtion Teknillinen Levykondensaattori- tai levyresonaattorijärjestely
US8925163B2 (en) 2006-09-18 2015-01-06 Teknologian Tutkimuskeskus Vtt Method of manufacturing laterally coupled BAW thin films
WO2008035546A1 (en) * 2006-09-21 2008-03-27 Murata Manufacturing Co., Ltd. Elastic boundary wave device
US7508286B2 (en) 2006-09-28 2009-03-24 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. HBAR oscillator and method of manufacture
US7851970B2 (en) * 2006-12-22 2010-12-14 The Charles Stark Draper Laboratory, Inc. Structures for crystal packaging including flexible membranes
US8490260B1 (en) 2007-01-17 2013-07-23 Rf Micro Devices, Inc. Method of manufacturing SAW device substrates
US7408286B1 (en) * 2007-01-17 2008-08-05 Rf Micro Devices, Inc. Piezoelectric substrate for a saw device
US7791435B2 (en) 2007-09-28 2010-09-07 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Single stack coupled resonators having differential output
JP5054491B2 (ja) * 2007-11-21 2012-10-24 パナソニック株式会社 圧電振動子およびその製造方法
US7732977B2 (en) 2008-04-30 2010-06-08 Avago Technologies Wireless Ip (Singapore) Transceiver circuit for film bulk acoustic resonator (FBAR) transducers
US7855618B2 (en) 2008-04-30 2010-12-21 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Bulk acoustic resonator electrical impedance transformers
US8248185B2 (en) 2009-06-24 2012-08-21 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Acoustic resonator structure comprising a bridge
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
US8484823B2 (en) * 2009-08-28 2013-07-16 The Charles Stark Draper Laboratory, Inc. Methods and apparatus for mounting a crystal
US9602073B2 (en) * 2013-05-31 2017-03-21 Avago Technologies General Ip (Singapore) Pte. Ltd. Bulk acoustic wave resonator having piezoelectric layer with varying amounts of dopant
US9450561B2 (en) 2009-11-25 2016-09-20 Avago Technologies General Ip (Singapore) Pte. Ltd. Bulk acoustic wave (BAW) resonator structure having an electrode with a cantilevered portion and a piezoelectric layer with varying amounts of dopant
US8193877B2 (en) 2009-11-30 2012-06-05 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Duplexer with negative phase shifting circuit
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
US9679765B2 (en) 2010-01-22 2017-06-13 Avago Technologies General Ip (Singapore) Pte. Ltd. Method of fabricating rare-earth doped piezoelectric material with various amounts of dopants and a selected C-axis orientation
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
US9479139B2 (en) 2010-04-29 2016-10-25 Avago Technologies General Ip (Singapore) Pte. Ltd. Resonator device including electrode with buried temperature compensating layer
US9197185B2 (en) 2010-04-29 2015-11-24 Avago Technologies General Ip (Singapore) Pte. Ltd. Resonator device including electrodes with buried temperature compensating layers
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
US9148117B2 (en) 2011-02-28 2015-09-29 Avago Technologies General Ip (Singapore) Pte. Ltd. Coupled resonator filter comprising a bridge and frame elements
US9203374B2 (en) 2011-02-28 2015-12-01 Avago Technologies General Ip (Singapore) Pte. Ltd. Film bulk 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
US9136818B2 (en) 2011-02-28 2015-09-15 Avago Technologies General Ip (Singapore) Pte. Ltd. Stacked acoustic resonator comprising a bridge
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
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
KR101853740B1 (ko) * 2011-07-27 2018-06-14 삼성전자주식회사 체적 음향 공진기 및 체적 음향 공진기를 이용한 듀플렉서
JP5792554B2 (ja) 2011-08-09 2015-10-14 太陽誘電株式会社 弾性波デバイス
US8922302B2 (en) 2011-08-24 2014-12-30 Avago Technologies General Ip (Singapore) Pte. Ltd. Acoustic resonator formed on a pedestal
US9065421B2 (en) * 2012-01-31 2015-06-23 Avago Technologies General Ip (Singapore) Pte. Ltd. Film bulk acoustic resonator with multi-layers of different piezoelectric materials and method of making
US9331666B2 (en) * 2012-10-22 2016-05-03 Qualcomm Mems Technologies, Inc. Composite dilation mode resonators
EP2936680B1 (de) 2012-12-21 2020-11-04 SnapTrack, Inc. Mems-bauteil mit aln und sc sowie verfahren zur herstellung eines mems-bauteils
WO2014094884A1 (en) * 2012-12-21 2014-06-26 Epcos Ag Baw component, lamination for a baw component, and method for manufacturing a baw component, said baw component comprising two stacked piezoelectric materials that differ
JP6023351B2 (ja) 2012-12-21 2016-11-09 エプコス アクチエンゲゼルシャフトＥｐｃｏｓ Ａｇ Ｂａｗ部品及びｂａｗ部品の製造方法
US9450167B2 (en) 2013-03-28 2016-09-20 Avago Technologies General Ip (Singapore) Pte. Ltd. Temperature compensated acoustic resonator device having an interlayer
US9608192B2 (en) 2013-03-28 2017-03-28 Avago Technologies General Ip (Singapore) Pte. Ltd. Temperature compensated acoustic resonator device
US9755041B2 (en) * 2014-04-30 2017-09-05 Purdue Research Foundation NEMS devices with series ferroelectric negative capacitor
US10340885B2 (en) 2014-05-08 2019-07-02 Avago Technologies International Sales Pte. Limited Bulk acoustic wave devices with temperature-compensating niobium alloy electrodes
WO2015190322A1 (ja) * 2014-06-12 2015-12-17 株式会社村田製作所 圧電デバイス
JP6368214B2 (ja) 2014-10-03 2018-08-01 太陽誘電株式会社 弾性波デバイス
JP2022051000A (ja) * 2020-09-18 2022-03-31 ローム株式会社 圧電素子及びその製造方法、並びに、表面弾性波素子及び圧電薄膜共振素子
TWI865965B (zh) * 2022-11-16 2024-12-11 世界先進積體電路股份有限公司 微機電裝置及其壓電複合疊層

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1149589A (en) * 1966-11-15 1969-04-23 Matsushita Electric Ind Co Ltd Thin film active element
JPS5812815A (ja) * 1981-07-14 1983-01-25 Iseki & Co Ltd フロントアクスルの支承構造
JPS58137317A (ja) * 1982-02-09 1983-08-15 Nec Corp 圧電薄膜複合振動子
JPS60189307A (ja) 1984-03-09 1985-09-26 Toshiba Corp 圧電薄膜共振器およびその製造方法
US5446306A (en) * 1993-12-13 1995-08-29 Trw Inc. Thin film voltage-tuned semiconductor bulk acoustic resonator (SBAR)
US5494251A (en) * 1994-01-27 1996-02-27 Katz; Martin M. Artist's easel
JP3739858B2 (ja) * 1996-06-14 2006-01-25 松下電器産業株式会社 高周波フィルタ
FI108583B (fi) * 1998-06-02 2002-02-15 Nokia Corp Resonaattorirakenteita
JP2000165188A (ja) * 1998-11-30 2000-06-16 Kyocera Corp 圧電共振子
JP3531522B2 (ja) 1999-04-19 2004-05-31 株式会社村田製作所 圧電共振子

Also Published As

Publication number Publication date
EP1100196A2 (de) 2001-05-16
EP1100196A3 (de) 2002-02-13
DE60036264T2 (de) 2008-05-29
US6441539B1 (en) 2002-08-27
EP1100196B1 (de) 2007-09-05

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