CN1808898A - 薄膜体声波滤波装置及制造薄膜体声波滤波装置的方法 - Google Patents
薄膜体声波滤波装置及制造薄膜体声波滤波装置的方法 Download PDFInfo
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- CN1808898A CN1808898A CNA2005101247093A CN200510124709A CN1808898A CN 1808898 A CN1808898 A CN 1808898A CN A2005101247093 A CNA2005101247093 A CN A2005101247093A CN 200510124709 A CN200510124709 A CN 200510124709A CN 1808898 A CN1808898 A CN 1808898A
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- trapezoidal
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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
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02086—Means for compensation or elimination of undesirable effects
- H03H9/02118—Means for compensation or elimination of undesirable effects of lateral leakage between adjacent resonators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0095—Balance-unbalance or balance-balance networks using bulk acoustic wave devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—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
- H03H9/175—Acoustic mirrors
-
- 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 piezoelectric or electrostrictive material
- H03H9/58—Multiple crystal filters
- H03H9/582—Multiple crystal filters implemented with thin-film techniques
- H03H9/583—Multiple crystal filters implemented with thin-film techniques comprising a plurality of piezoelectric layers acoustically coupled
- H03H9/584—Coupled Resonator Filters [CFR]
-
- 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 piezoelectric or electrostrictive material
- H03H9/58—Multiple crystal filters
- H03H9/582—Multiple crystal filters implemented with thin-film techniques
- H03H9/586—Means for mounting to a substrate, i.e. means constituting the material interface confining the waves to a volume
- H03H9/589—Acoustic mirrors
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004054895.1 | 2004-11-12 | ||
DE102004054895A DE102004054895B4 (de) | 2004-11-12 | 2004-11-12 | Dünnschicht-BAW-Filter sowie Verfahren zur Herstellung eines Dünnschicht-BAW-Filters |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1808898A true CN1808898A (zh) | 2006-07-26 |
Family
ID=36313608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2005101247093A Pending CN1808898A (zh) | 2004-11-12 | 2005-11-11 | 薄膜体声波滤波装置及制造薄膜体声波滤波装置的方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7825747B2 (zh) |
CN (1) | CN1808898A (zh) |
DE (1) | DE102004054895B4 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101997512A (zh) * | 2010-10-28 | 2011-03-30 | 哈尔滨工业大学 | 固贴式薄膜体声波谐振器及其全绝缘布拉格反射栅制备方法 |
CN106253871A (zh) * | 2016-07-26 | 2016-12-21 | 中国工程物理研究院电子工程研究所 | 一种通带展宽的baw梯型滤波器及其制造方法 |
Families Citing this family (46)
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US7275292B2 (en) * | 2003-03-07 | 2007-10-02 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Method for fabricating an acoustical resonator on a substrate |
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 |
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 |
US7746677B2 (en) | 2006-03-09 | 2010-06-29 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | AC-DC converter circuit and power supply |
US20070210748A1 (en) * | 2006-03-09 | 2007-09-13 | Mark Unkrich | Power supply and electronic device having integrated 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 |
DE102006047698B4 (de) * | 2006-10-09 | 2009-04-09 | Epcos Ag | Mit akustischen Volumenwellen arbeitender Resonator |
US7786825B2 (en) * | 2007-05-31 | 2010-08-31 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Bulk acoustic wave device with coupled resonators |
US8258894B2 (en) * | 2007-05-31 | 2012-09-04 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Coupled resonator filter with a filter section |
US7825749B2 (en) * | 2007-05-31 | 2010-11-02 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Integrated coupled resonator filter and bulk acoustic wave devices |
US20090079514A1 (en) * | 2007-09-24 | 2009-03-26 | Tiberiu Jamneala | Hybrid acoustic resonator-based filters |
US7791435B2 (en) | 2007-09-28 | 2010-09-07 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Single stack coupled resonators having differential output |
FR2927743B1 (fr) * | 2008-02-15 | 2011-06-03 | St Microelectronics Sa | Circuit de filtrage comportant des resonateurs acoustiques couples |
WO2009133511A1 (en) * | 2008-04-29 | 2009-11-05 | Nxp B.V. | Bulk acoustic wave resonator |
US7732977B2 (en) | 2008-04-30 | 2010-06-08 | Avago Technologies Wireless Ip (Singapore) | Transceiver circuit for film bulk acoustic resonator (FBAR) transducers |
DE102009014068B4 (de) * | 2009-03-20 | 2011-01-13 | Epcos Ag | Kompaktes, hochintegriertes elektrisches Modul mit Verschaltung aus BAW-Filter und Symmetrierschaltung und Herstellungsverfahren |
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 |
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 |
US8587391B2 (en) * | 2010-02-23 | 2013-11-19 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Acoustic coupling layer for coupled resonator filters and method of fabricating acoustic coupling layer |
US8283999B2 (en) * | 2010-02-23 | 2012-10-09 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Bulk acoustic resonator structures comprising a single material acoustic coupling layer comprising inhomogeneous acoustic property |
US8618620B2 (en) | 2010-07-13 | 2013-12-31 | Infineon Technologies Ag | Pressure sensor package systems and methods |
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 |
US9136818B2 (en) | 2011-02-28 | 2015-09-15 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Stacked acoustic resonator comprising a bridge |
US9154112B2 (en) | 2011-02-28 | 2015-10-06 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Coupled resonator filter comprising a bridge |
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 |
US9148117B2 (en) | 2011-02-28 | 2015-09-29 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Coupled resonator filter comprising a bridge and frame elements |
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 |
US9425764B2 (en) | 2012-10-25 | 2016-08-23 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Accoustic resonator having composite electrodes with integrated lateral features |
US9490418B2 (en) | 2011-03-29 | 2016-11-08 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Acoustic resonator comprising collar and acoustic reflector with temperature compensating layer |
US9490771B2 (en) | 2012-10-29 | 2016-11-08 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Acoustic resonator comprising collar and frame |
US9401692B2 (en) | 2012-10-29 | 2016-07-26 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Acoustic resonator having collar structure |
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 |
FR2988538B1 (fr) * | 2012-03-20 | 2017-06-02 | Commissariat Energie Atomique | Resonateur hbar comportant une structure d'amplification de l'amplitude d'au moins une resonance dudit resonateur et procedes de realisation de ce resonateur |
US9385684B2 (en) | 2012-10-23 | 2016-07-05 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Acoustic resonator having guard ring |
DE102014111901B4 (de) | 2014-08-20 | 2019-05-23 | Snaptrack, Inc. | Duplexer |
DE102014111912B4 (de) | 2014-08-20 | 2024-06-13 | Snaptrack, Inc. | HF-Filter |
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US1959429A (en) * | 1931-04-01 | 1934-05-22 | Bell Telephone Labor Inc | Crystal filter |
US5587620A (en) | 1993-12-21 | 1996-12-24 | Hewlett-Packard Company | Tunable thin film acoustic resonators and method for making the same |
DE19947081A1 (de) * | 1999-09-30 | 2001-04-05 | Infineon Technologies Ag | Akustischer Spiegel und Verfahren zu dessen Herstellung |
US6339276B1 (en) * | 1999-11-01 | 2002-01-15 | Agere Systems Guardian Corp. | Incremental tuning process for electrical resonators based on mechanical motion |
GB0012439D0 (en) * | 2000-05-24 | 2000-07-12 | Univ Cranfield | Improvements to filters |
US6496085B2 (en) * | 2001-01-02 | 2002-12-17 | Nokia Mobile Phones Ltd | Solidly mounted multi-resonator bulk acoustic wave filter with a patterned acoustic mirror |
JP2002217676A (ja) * | 2001-01-17 | 2002-08-02 | Murata Mfg Co Ltd | 圧電フィルタ |
DE10124349A1 (de) | 2001-05-18 | 2002-12-05 | Infineon Technologies Ag | Piezoelektrische Resonatorvorrichtung mit Verstimmungsschichtfolge |
DE50112976D1 (de) | 2001-05-22 | 2007-10-18 | Infineon Technologies Ag | Verfahren zur herstellung einer schicht mit einem vordefinierten schichtdickenprofil |
US6720844B1 (en) * | 2001-11-16 | 2004-04-13 | Tfr Technologies, Inc. | Coupled resonator bulk acoustic wave filter |
US6670866B2 (en) | 2002-01-09 | 2003-12-30 | Nokia Corporation | Bulk acoustic wave resonator with two piezoelectric layers as balun in filters and duplexers |
DE20221966U1 (de) | 2002-06-06 | 2010-02-25 | Epcos Ag | Mit akustischen Wellen arbeitendes Bauelement mit einem Anpaßnetzwerk |
DE10239317A1 (de) | 2002-08-27 | 2004-03-11 | Epcos Ag | Resonator und Bauelement mit hermetischer Verkapselung |
DE10251876B4 (de) | 2002-11-07 | 2008-08-21 | Infineon Technologies Ag | BAW-Resonator mit akustischem Reflektor und Filterschaltung |
DE10301261B4 (de) * | 2003-01-15 | 2018-03-22 | Snaptrack, Inc. | Mit akustischen Volumenwellen arbeitendes Bauelement und Verfahren zur Herstellung |
DE10319554B4 (de) * | 2003-04-30 | 2018-05-09 | Snaptrack, Inc. | Mit akustischen Volumenwellen arbeitendes Bauelement mit gekoppelten Resonatoren |
US7019605B2 (en) * | 2003-10-30 | 2006-03-28 | Larson Iii John D | Stacked bulk acoustic resonator band-pass filter with controllable pass bandwidth |
US7138889B2 (en) * | 2005-03-22 | 2006-11-21 | Triquint Semiconductor, Inc. | Single-port multi-resonator acoustic resonator device |
-
2004
- 2004-11-12 DE DE102004054895A patent/DE102004054895B4/de not_active Expired - Fee Related
-
2005
- 2005-11-10 US US11/272,544 patent/US7825747B2/en not_active Expired - Fee Related
- 2005-11-11 CN CNA2005101247093A patent/CN1808898A/zh active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101997512A (zh) * | 2010-10-28 | 2011-03-30 | 哈尔滨工业大学 | 固贴式薄膜体声波谐振器及其全绝缘布拉格反射栅制备方法 |
CN101997512B (zh) * | 2010-10-28 | 2012-12-12 | 哈尔滨工业大学 | 固贴式薄膜体声波谐振器及其全绝缘布拉格反射栅制备方法 |
CN106253871A (zh) * | 2016-07-26 | 2016-12-21 | 中国工程物理研究院电子工程研究所 | 一种通带展宽的baw梯型滤波器及其制造方法 |
CN106253871B (zh) * | 2016-07-26 | 2018-12-28 | 中国工程物理研究院电子工程研究所 | 一种通带展宽的baw梯型滤波器及其制造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20060119453A1 (en) | 2006-06-08 |
US7825747B2 (en) | 2010-11-02 |
DE102004054895A1 (de) | 2006-05-24 |
DE102004054895B4 (de) | 2007-04-19 |
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