CN100511991C - 压电薄膜谐振器以及使用该压电薄膜谐振器的滤波器 - Google Patents
压电薄膜谐振器以及使用该压电薄膜谐振器的滤波器 Download PDFInfo
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- CN100511991C CN100511991C CNB2006100005937A CN200610000593A CN100511991C CN 100511991 C CN100511991 C CN 100511991C CN B2006100005937 A CNB2006100005937 A CN B2006100005937A CN 200610000593 A CN200610000593 A CN 200610000593A CN 100511991 C CN100511991 C CN 100511991C
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- piezoelectric
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- 239000010409 thin film Substances 0.000 title claims abstract description 34
- 239000010408 film Substances 0.000 claims abstract description 136
- 239000000758 substrate Substances 0.000 claims abstract description 53
- 230000004888 barrier function Effects 0.000 claims description 54
- 238000003475 lamination Methods 0.000 claims description 21
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 11
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 6
- 229910017083 AlN Inorganic materials 0.000 claims description 5
- 239000011796 hollow space material Substances 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 abstract description 5
- 238000005530 etching Methods 0.000 description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 239000010703 silicon Substances 0.000 description 11
- 229910052710 silicon Inorganic materials 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001259 photo etching Methods 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 238000001039 wet etching Methods 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010897 surface acoustic wave method Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910003781 PbTiO3 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
- H03H9/15—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
-
- 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
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
- H03H9/132—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials characterized by a particular shape
-
- 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 devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02086—Means for compensation or elimination of undesirable effects
- H03H9/02133—Means for compensation or elimination of undesirable effects of stress
-
- 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
- H03H9/173—Air-gaps
-
- 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
- H03H2003/021—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 the resonators or networks being of the air-gap type
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005005791A JP4149444B2 (ja) | 2005-01-12 | 2005-01-12 | 圧電薄膜共振子及びこれを用いたフィルタ |
JP2005005791 | 2005-01-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1805276A CN1805276A (zh) | 2006-07-19 |
CN100511991C true CN100511991C (zh) | 2009-07-08 |
Family
ID=36095782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100005937A Active CN100511991C (zh) | 2005-01-12 | 2006-01-11 | 压电薄膜谐振器以及使用该压电薄膜谐振器的滤波器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7345402B2 (zh) |
EP (1) | EP1684424A1 (zh) |
JP (1) | JP4149444B2 (zh) |
KR (2) | KR20060082413A (zh) |
CN (1) | CN100511991C (zh) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4149444B2 (ja) * | 2005-01-12 | 2008-09-10 | 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 |
JP4707533B2 (ja) | 2005-10-27 | 2011-06-22 | 太陽誘電株式会社 | 圧電薄膜共振器およびフィルタ |
US7629865B2 (en) * | 2006-05-31 | 2009-12-08 | Avago Technologies Wireless Ip (Singapore) Pte. Ltd. | Piezoelectric resonator structures and electrical filters |
JP4968900B2 (ja) | 2006-10-17 | 2012-07-04 | 太陽誘電株式会社 | ラダー型フィルタの製造方法 |
JP4853523B2 (ja) * | 2006-12-25 | 2012-01-11 | 株式会社村田製作所 | 圧電薄膜共振子 |
JP5080858B2 (ja) * | 2007-05-17 | 2012-11-21 | 太陽誘電株式会社 | 圧電薄膜共振器およびフィルタ |
JP4917481B2 (ja) * | 2007-06-13 | 2012-04-18 | 太陽誘電株式会社 | フィルタ |
JP5220503B2 (ja) * | 2008-07-23 | 2013-06-26 | 太陽誘電株式会社 | 弾性波デバイス |
JP4944145B2 (ja) | 2009-03-19 | 2012-05-30 | 太陽誘電株式会社 | 圧電薄膜共振子、フィルタ、通信モジュール、通信装置 |
JP5319491B2 (ja) * | 2009-10-22 | 2013-10-16 | 太陽誘電株式会社 | 圧電薄膜共振子 |
JP5643056B2 (ja) * | 2010-11-01 | 2014-12-17 | 太陽誘電株式会社 | 弾性波デバイス |
US8925385B2 (en) * | 2010-12-06 | 2015-01-06 | Sierra Instruments, Inc. | Longitudinal resonating mode inertial mass sensing systems |
JP5792554B2 (ja) * | 2011-08-09 | 2015-10-14 | 太陽誘電株式会社 | 弾性波デバイス |
WO2015190429A1 (ja) * | 2014-06-13 | 2015-12-17 | 株式会社村田製作所 | 圧電デバイスおよび圧電デバイスの製造方法 |
CN107231138A (zh) * | 2016-12-29 | 2017-10-03 | 杭州左蓝微电子技术有限公司 | 带有支撑结构的薄膜体声波谐振器及其制备方法 |
CN107222181A (zh) * | 2016-12-29 | 2017-09-29 | 杭州左蓝微电子技术有限公司 | 基于soi基片的薄膜体声波谐振器及其制备方法 |
CN114257193A (zh) * | 2020-09-21 | 2022-03-29 | 中芯集成电路(宁波)有限公司上海分公司 | 薄膜体声波谐振器的制造方法及滤波器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4720651A (en) * | 1982-06-10 | 1988-01-19 | The United States Of America As Represented By The Secretary Of The Army | Resonator insensitive to paraxial accelerations |
CN1237829A (zh) * | 1998-06-02 | 1999-12-08 | 株式会社村田制作所 | 片型压电谐振器和调节其谐振频率的方法 |
CN1253414A (zh) * | 1998-11-02 | 2000-05-17 | 株式会社村田制作所 | 能陷型压电谐振器 |
CN1309466A (zh) * | 2001-02-28 | 2001-08-22 | 清华大学 | 具有自支撑夹层结构的射频体声波谐振器及其制备方法 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5780898A (en) * | 1980-11-07 | 1982-05-20 | Hitachi Ltd | Piezoelectric ceramic transducer |
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 |
JPS6276913A (ja) | 1985-09-30 | 1987-04-09 | Toshiba Corp | 薄膜弾性波装置 |
JPS62200813A (ja) * | 1986-02-28 | 1987-09-04 | Toshiba Corp | 圧電薄膜共振子 |
JPS63187714A (ja) | 1987-01-29 | 1988-08-03 | Toshiba Corp | 圧電薄膜共振子 |
US5185589A (en) * | 1991-05-17 | 1993-02-09 | Westinghouse Electric Corp. | Microwave film bulk acoustic resonator and manifolded filter bank |
US6060818A (en) | 1998-06-02 | 2000-05-09 | Hewlett-Packard Company | SBAR structures and method of fabrication of SBAR.FBAR film processing techniques for the manufacturing of SBAR/BAR filters |
US6150703A (en) * | 1998-06-29 | 2000-11-21 | Trw Inc. | Lateral mode suppression in semiconductor bulk acoustic resonator (SBAR) devices using tapered electrodes, and electrodes edge damping materials |
JP2001284674A (ja) * | 2000-03-30 | 2001-10-12 | Taiyo Yuden Co Ltd | 圧電トランス |
EP1170862B1 (en) * | 2000-06-23 | 2012-10-10 | Murata Manufacturing Co., Ltd. | Piezoelectric resonator and piezoelectric filter using the same |
US6903489B2 (en) * | 2000-07-25 | 2005-06-07 | Tdk Corporation | Piezoelectric resonator, piezoelectric resonator component and method of making the same |
TW523582B (en) * | 2000-11-24 | 2003-03-11 | Shr-Guang Li | Fourth-order partial differential equation piezoelectric transducer with mutually independent gain and phase functions |
US6714102B2 (en) | 2001-03-01 | 2004-03-30 | Agilent Technologies, Inc. | Method of fabricating thin film bulk acoustic resonator (FBAR) and FBAR structure embodying the method |
JP3939939B2 (ja) * | 2001-07-17 | 2007-07-04 | 富士通株式会社 | 圧電薄膜共振素子の製造方法 |
US6448699B1 (en) * | 2001-08-31 | 2002-09-10 | Cts Corporation | Octagonal electrode for crystals |
JP3954395B2 (ja) | 2001-10-26 | 2007-08-08 | 富士通株式会社 | 圧電薄膜共振子、フィルタ、および圧電薄膜共振子の製造方法 |
JP3969224B2 (ja) | 2002-01-08 | 2007-09-05 | 株式会社村田製作所 | 圧電共振子及びそれを用いた圧電フィルタ・デュプレクサ・通信装置 |
KR100499126B1 (ko) * | 2002-06-20 | 2005-07-04 | 삼성전자주식회사 | 유기막 멤브레인을 이용한 액츄에이터 |
JP2004032572A (ja) * | 2002-06-28 | 2004-01-29 | Kinseki Ltd | 圧電振動子の製造方法 |
US7098574B2 (en) * | 2002-11-08 | 2006-08-29 | Toyo Communication Equipment Co., Ltd. | Piezoelectric resonator and method for manufacturing the same |
JP4111139B2 (ja) * | 2003-06-03 | 2008-07-02 | 株式会社村田製作所 | エネルギー閉じ込め型圧電共振部品 |
EP1533896B1 (en) * | 2003-11-20 | 2011-11-02 | Panasonic Corporation | Piezoelectric element, composite piezoelectric element, and filter, duplexer and communication equipment using the same |
US7126255B2 (en) * | 2004-04-05 | 2006-10-24 | Ngk Insulators, Ltd. | Piezoelectric/electrostrictive film-type device |
TW200610266A (en) * | 2004-06-03 | 2006-03-16 | Sony Corp | Thin film bulk acoustic resonator and method of manufacturing the same |
JP2006147839A (ja) * | 2004-11-19 | 2006-06-08 | Ngk Insulators Ltd | 圧電/電歪デバイス |
WO2006067949A1 (ja) * | 2004-12-24 | 2006-06-29 | Murata Manufacturing Co., Ltd. | 圧電薄膜共振子およびその製造方法 |
JP4149444B2 (ja) * | 2005-01-12 | 2008-09-10 | 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 |
-
2005
- 2005-01-12 JP JP2005005791A patent/JP4149444B2/ja active Active
- 2005-12-20 EP EP20050257870 patent/EP1684424A1/en not_active Withdrawn
-
2006
- 2006-01-06 US US11/326,418 patent/US7345402B2/en active Active
- 2006-01-11 CN CNB2006100005937A patent/CN100511991C/zh active Active
- 2006-01-11 KR KR20060002945A patent/KR20060082413A/ko not_active Application Discontinuation
-
2007
- 2007-09-28 KR KR1020070098096A patent/KR100929760B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4720651A (en) * | 1982-06-10 | 1988-01-19 | The United States Of America As Represented By The Secretary Of The Army | Resonator insensitive to paraxial accelerations |
CN1237829A (zh) * | 1998-06-02 | 1999-12-08 | 株式会社村田制作所 | 片型压电谐振器和调节其谐振频率的方法 |
CN1253414A (zh) * | 1998-11-02 | 2000-05-17 | 株式会社村田制作所 | 能陷型压电谐振器 |
CN1309466A (zh) * | 2001-02-28 | 2001-08-22 | 清华大学 | 具有自支撑夹层结构的射频体声波谐振器及其制备方法 |
Non-Patent Citations (4)
Title |
---|
AlN压电薄膜研究进展. 刘吉延,斯永敏.材料导报,第17卷. 2003 |
AlN压电薄膜研究进展. 刘吉延,斯永敏.材料导报,第17卷. 2003 * |
C轴择优取向的ZnO薄膜的溅射工艺与结构研究. 贺洪波,范正修.功能材料,第31期. 2000 |
C轴择优取向的ZnO薄膜的溅射工艺与结构研究. 贺洪波,范正修.功能材料,第31期. 2000 * |
Also Published As
Publication number | Publication date |
---|---|
KR20070105943A (ko) | 2007-10-31 |
JP2006197147A (ja) | 2006-07-27 |
KR100929760B1 (ko) | 2009-12-10 |
US20060152110A1 (en) | 2006-07-13 |
CN1805276A (zh) | 2006-07-19 |
KR20060082413A (ko) | 2006-07-18 |
JP4149444B2 (ja) | 2008-09-10 |
US7345402B2 (en) | 2008-03-18 |
EP1684424A1 (en) | 2006-07-26 |
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