CN1914801A - 声表面波滤波器和使用该滤波器的天线共用器 - Google Patents
声表面波滤波器和使用该滤波器的天线共用器 Download PDFInfo
- Publication number
- CN1914801A CN1914801A CNA2005800038385A CN200580003838A CN1914801A CN 1914801 A CN1914801 A CN 1914801A CN A2005800038385 A CNA2005800038385 A CN A2005800038385A CN 200580003838 A CN200580003838 A CN 200580003838A CN 1914801 A CN1914801 A CN 1914801A
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- China
- Prior art keywords
- acoustic wave
- surface acoustic
- resonance element
- wave resonance
- dielectric 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.)
- Granted
Links
- 238000010897 surface acoustic wave method Methods 0.000 title claims abstract description 179
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- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 239000003223 protective agent Substances 0.000 description 2
- 238000001552 radio frequency sputter deposition Methods 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
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- 238000001259 photo etching Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase 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
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
-
- 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
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
-
- 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
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004030327 | 2004-02-06 | ||
JP030327/2004 | 2004-02-06 | ||
PCT/JP2005/001859 WO2005076473A1 (ja) | 2004-02-06 | 2005-02-02 | 弾性表面波フィルタおよびそれを用いたアンテナ共用器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1914801A true CN1914801A (zh) | 2007-02-14 |
CN1914801B CN1914801B (zh) | 2011-11-23 |
Family
ID=34835992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800038385A Active CN1914801B (zh) | 2004-02-06 | 2005-02-02 | 声表面波滤波器和使用该滤波器的天线共用器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7498898B2 (zh) |
EP (1) | EP1713179A4 (zh) |
JP (1) | JP4333673B2 (zh) |
KR (1) | KR100797833B1 (zh) |
CN (1) | CN1914801B (zh) |
WO (1) | WO2005076473A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104485918A (zh) * | 2009-06-18 | 2015-04-01 | 天工松下滤波方案日本有限公司 | 阶梯型弹性波滤波器及使用其的双工器 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007055077A1 (ja) * | 2005-11-14 | 2007-05-18 | Murata Manufacturing Co., Ltd. | 弾性表面波装置の製造方法及び弾性表面波装置 |
US8143681B2 (en) * | 2006-04-20 | 2012-03-27 | The George Washington University | Saw devices, processes for making them, and methods of use |
US20100007444A1 (en) * | 2006-04-20 | 2010-01-14 | Anis Nurashikin Nordin | GHz Surface Acoustic Resonators in RF-CMOS |
JP4917396B2 (ja) * | 2006-09-25 | 2012-04-18 | 太陽誘電株式会社 | フィルタおよび分波器 |
US8018010B2 (en) * | 2007-04-20 | 2011-09-13 | The George Washington University | Circular surface acoustic wave (SAW) devices, processes for making them, and methods of use |
US20090124513A1 (en) * | 2007-04-20 | 2009-05-14 | Patricia Berg | Multiplex Biosensor |
JP4920750B2 (ja) * | 2007-08-14 | 2012-04-18 | 太陽誘電株式会社 | 弾性境界波装置 |
KR101624957B1 (ko) * | 2008-10-31 | 2016-05-27 | 애플 인크. | 자기 정합 대역 소거 필터 |
JP5415903B2 (ja) * | 2009-10-30 | 2014-02-12 | 京セラ株式会社 | 弾性表面波素子の製造方法、弾性表面波素子および弾性表面波素子用基板 |
US8960004B2 (en) | 2010-09-29 | 2015-02-24 | The George Washington University | Synchronous one-pole surface acoustic wave resonator |
KR101516653B1 (ko) * | 2011-01-18 | 2015-05-04 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성 표면파 필터장치 |
CN104702239B (zh) * | 2011-06-23 | 2017-09-22 | 天工滤波方案日本有限公司 | 梯型弹性波滤波器及使用该弹性波滤波器的天线双工器 |
DE112012004096B4 (de) * | 2011-09-30 | 2017-10-05 | Murata Manufacturing Co., Ltd. | Signaltrennvorrichtung |
WO2016017104A1 (en) * | 2014-07-31 | 2016-02-04 | Skyworks Panasonic Filter Solutions Japan Co., Ltd. | Acoustic wave filters and duplexers using same |
DE102015116223B4 (de) * | 2015-09-25 | 2019-05-09 | Snaptrack, Inc. | SAW-Filter mit unterdrückter Scher-Mode |
US10541673B2 (en) | 2016-10-28 | 2020-01-21 | Skyworks Solutions, Inc. | Acoustic wave filter including two types of acoustic wave resonators |
WO2018151218A1 (ja) | 2017-02-20 | 2018-08-23 | 株式会社村田製作所 | フィルタ装置、マルチプレクサ、高周波フロントエンド回路、および通信装置 |
JP6949607B2 (ja) * | 2017-07-31 | 2021-10-13 | 太陽誘電株式会社 | 弾性波デバイス |
JP6947220B2 (ja) * | 2017-09-05 | 2021-10-13 | 株式会社村田製作所 | フィルタ装置 |
JP6913619B2 (ja) * | 2017-12-12 | 2021-08-04 | 株式会社村田製作所 | マルチプレクサ、高周波フロントエンド回路及び通信装置 |
JP7456799B2 (ja) * | 2020-02-26 | 2024-03-27 | 太陽誘電株式会社 | フィルタおよびマルチプレクサ |
WO2023204245A1 (ja) * | 2022-04-20 | 2023-10-26 | 株式会社村田製作所 | 弾性波装置及びその製造方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01260911A (ja) * | 1988-04-11 | 1989-10-18 | Hitachi Ltd | 弾性表面波共振器複合形フィルタ |
US5471178A (en) * | 1994-02-03 | 1995-11-28 | Motorola, Inc. | Ladder filter and method for producing conjugately matched impedance |
US5632909A (en) * | 1995-06-19 | 1997-05-27 | Motorola, Inc. | Filter |
JPH09107268A (ja) | 1995-10-06 | 1997-04-22 | Toyo Commun Equip Co Ltd | ラダー型弾性表面波フィルタ |
US5654680A (en) * | 1996-01-30 | 1997-08-05 | Motorola, Inc. | Saw-based ladder filter including multiple coUpling coefficients (K2), Method therefor and radio incorporating same |
DE19638451A1 (de) * | 1996-09-19 | 1998-04-02 | Siemens Matsushita Components | Reaktanzfilter mit OFW-Resonatoren |
JP4063414B2 (ja) | 1998-08-25 | 2008-03-19 | 沖電気工業株式会社 | 弾性表面波フィルタ |
US6201457B1 (en) * | 1998-11-18 | 2001-03-13 | Cts Corporation | Notch filter incorporating saw devices and a delay line |
JP2000196409A (ja) | 1998-12-28 | 2000-07-14 | Kyocera Corp | 弾性表面波フィルタ |
JP4352572B2 (ja) * | 2000-04-03 | 2009-10-28 | パナソニック株式会社 | アンテナ共用器 |
JP3532158B2 (ja) * | 2001-02-09 | 2004-05-31 | 富士通株式会社 | 分波器デバイス |
JP2002330055A (ja) | 2001-04-27 | 2002-11-15 | Tdk Corp | 表面弾性波フィルタ、表面弾性波フィルタ用パッケージ及び表面弾性波フィルタモジュール |
JP3801083B2 (ja) | 2001-06-06 | 2006-07-26 | 株式会社村田製作所 | 弾性表面波装置 |
JP2003051731A (ja) | 2001-08-06 | 2003-02-21 | Murata Mfg Co Ltd | 弾性表面波分波器 |
-
2005
- 2005-02-02 EP EP05709911A patent/EP1713179A4/en not_active Withdrawn
- 2005-02-02 KR KR1020067015824A patent/KR100797833B1/ko active IP Right Grant
- 2005-02-02 WO PCT/JP2005/001859 patent/WO2005076473A1/ja not_active Application Discontinuation
- 2005-02-02 CN CN2005800038385A patent/CN1914801B/zh active Active
- 2005-02-02 US US10/587,240 patent/US7498898B2/en active Active
- 2005-02-02 JP JP2005517794A patent/JP4333673B2/ja active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104485918A (zh) * | 2009-06-18 | 2015-04-01 | 天工松下滤波方案日本有限公司 | 阶梯型弹性波滤波器及使用其的双工器 |
CN104485918B (zh) * | 2009-06-18 | 2018-01-05 | 天工滤波方案日本有限公司 | 阶梯型弹性波滤波器及使用其的双工器 |
Also Published As
Publication number | Publication date |
---|---|
WO2005076473A1 (ja) | 2005-08-18 |
JP4333673B2 (ja) | 2009-09-16 |
US20070152774A1 (en) | 2007-07-05 |
US7498898B2 (en) | 2009-03-03 |
JPWO2005076473A1 (ja) | 2007-08-02 |
EP1713179A4 (en) | 2009-03-25 |
KR20060121950A (ko) | 2006-11-29 |
KR100797833B1 (ko) | 2008-01-24 |
EP1713179A1 (en) | 2006-10-18 |
CN1914801B (zh) | 2011-11-23 |
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Legal Events
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SKYWORKS PANASONIC FILTRATE SOLUTIONS JAPAN CO., L Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20150128 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150128 Address after: Osaka Japan Patentee after: PANASONIC CORPORATION Address before: Japan Osaka Patentee before: Matsushita Electric Industrial Co., Ltd. |
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C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Osaka Japan Patentee after: Japan Industrial Co., Ltd. Address before: Osaka Japan Patentee before: PANASONIC CORPORATION |