CN1534870B - 弹性表面波谐振器、弹性表面波滤波器和天线共用器 - Google Patents
弹性表面波谐振器、弹性表面波滤波器和天线共用器 Download PDFInfo
- Publication number
- CN1534870B CN1534870B CN2004100302525A CN200410030252A CN1534870B CN 1534870 B CN1534870 B CN 1534870B CN 2004100302525 A CN2004100302525 A CN 2004100302525A CN 200410030252 A CN200410030252 A CN 200410030252A CN 1534870 B CN1534870 B CN 1534870B
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- Prior art keywords
- electrode
- strip
- line electrodes
- resonator
- saw
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- 230000008878 coupling Effects 0.000 claims abstract description 49
- 238000010168 coupling process Methods 0.000 claims abstract description 49
- 238000005859 coupling reaction Methods 0.000 claims abstract description 49
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 230000033228 biological regulation Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 230000008569 process Effects 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
- H03H9/25—Constructional features of resonators 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
- H03H9/6483—Ladder SAW filters
-
- 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
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02637—Details concerning reflective or coupling arrays
- H03H9/02685—Grating lines having particular arrangements
- H03H9/02724—Comb like grating lines
-
- 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
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02637—Details concerning reflective or coupling arrays
- H03H9/02685—Grating lines having particular arrangements
- H03H9/0274—Intra-transducers grating lines
-
- 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
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02637—Details concerning reflective or coupling arrays
- H03H9/02685—Grating lines having particular arrangements
- H03H9/0274—Intra-transducers grating lines
- H03H9/02748—Dog-legged reflectors
-
- 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
- H03H9/14544—Transducers of particular shape or position
- H03H9/14547—Fan shaped; Tilted; Shifted; Slanted; Tapered; Arched; Stepped finger transducers
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003091180 | 2003-03-28 | ||
JP91180/03 | 2003-03-28 | ||
JP91180/2003 | 2003-03-28 | ||
JP2003396886A JP3622758B2 (ja) | 2003-03-28 | 2003-11-27 | 弾性表面波共振器、弾性表面波フィルタ、及びアンテナ共用器 |
JP396886/03 | 2003-11-27 | ||
JP396886/2003 | 2003-11-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1534870A CN1534870A (zh) | 2004-10-06 |
CN1534870B true CN1534870B (zh) | 2010-10-06 |
Family
ID=32829067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2004100302525A Expired - Lifetime CN1534870B (zh) | 2003-03-28 | 2004-03-23 | 弹性表面波谐振器、弹性表面波滤波器和天线共用器 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7034634B2 (zh) |
EP (1) | EP1463200B1 (zh) |
JP (1) | JP3622758B2 (zh) |
KR (1) | KR20040085047A (zh) |
CN (1) | CN1534870B (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3622758B2 (ja) * | 2003-03-28 | 2005-02-23 | 松下電器産業株式会社 | 弾性表面波共振器、弾性表面波フィルタ、及びアンテナ共用器 |
EP1619794A1 (en) * | 2004-07-22 | 2006-01-25 | Seiko Epson Corporation | Surface acoustic wave element |
US7453335B2 (en) * | 2005-03-28 | 2008-11-18 | Kyocera Corporation | Surface acoustic wave resonator, surface acoustic wave filter and surface acoustic wave duplexer, and communications equipment |
JP4537254B2 (ja) * | 2005-04-28 | 2010-09-01 | 富士通メディアデバイス株式会社 | 弾性表面波フィルタおよび分波器 |
KR101288190B1 (ko) * | 2005-05-27 | 2013-07-18 | 트리퀸트 세미컨덕터 인코퍼레이티드 | Baw 공진기 디바이스, 필터 및 전자 장치 |
CN101889367A (zh) * | 2007-12-19 | 2010-11-17 | 株式会社村田制作所 | 带状线滤波器及其制造方法 |
JP4654271B2 (ja) | 2008-06-25 | 2011-03-16 | 日本電波工業株式会社 | トランスバーサル型フィルタ |
JP2010239396A (ja) * | 2009-03-31 | 2010-10-21 | Taiyo Yuden Co Ltd | 弾性波デバイス |
WO2010122786A1 (ja) | 2009-04-23 | 2010-10-28 | パナソニック株式会社 | アンテナ共用器 |
US8862192B2 (en) | 2010-05-17 | 2014-10-14 | Resonant Inc. | Narrow band-pass filter having resonators grouped into primary and secondary sets of different order |
JP6504551B2 (ja) * | 2013-06-10 | 2019-04-24 | 太陽誘電株式会社 | 共振器、フィルタおよび分波器 |
JP6411295B2 (ja) * | 2014-10-16 | 2018-10-24 | 太陽誘電株式会社 | 弾性波デバイス、フィルタ、及び分波器 |
KR101910554B1 (ko) * | 2014-10-21 | 2018-10-22 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 공진자 및 래더형 필터 |
CN111149294B (zh) * | 2017-09-27 | 2023-04-25 | 株式会社村田制作所 | 弹性波装置 |
CN114421923B (zh) * | 2022-01-11 | 2023-08-01 | 无锡市好达电子股份有限公司 | 一种高性能的声表面波滤波器 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1260086A (zh) * | 1997-06-09 | 2000-07-12 | 埃普科斯股份有限公司 | 横向模式谐振器滤波器 |
CN1260085A (zh) * | 1997-06-09 | 2000-07-12 | 埃普科斯股份有限公司 | 双模表面波滤波器 |
CN1340241A (zh) * | 1999-12-24 | 2002-03-13 | 松下电器产业株式会社 | 天线共用器 |
DE10057848A1 (de) * | 2000-11-22 | 2002-05-23 | Epcos Ag | Reaktanzfilter mit verbesserter Leistungsverträglichkeit |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU726648A1 (ru) * | 1977-07-22 | 1980-04-05 | Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср | Устройство на поверхностных акустических волнах |
SU945951A1 (ru) * | 1979-03-21 | 1982-07-23 | Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср | Фильтр на поверхностных акустических волнах |
SU805918A1 (ru) * | 1979-09-28 | 1982-03-30 | Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср | Преобразователь поверхностных акустических волн |
JPS58116813A (ja) | 1981-12-29 | 1983-07-12 | Seiko Epson Corp | 弾性表面波装置 |
JPS6321869A (ja) | 1986-07-16 | 1988-01-29 | Matsushita Electronics Corp | 固体撮像装置 |
JPS6454805A (en) * | 1987-08-25 | 1989-03-02 | Oki Electric Ind Co Ltd | Surface acoustic wave resonator |
JPH0281511A (ja) | 1988-09-17 | 1990-03-22 | Toko Inc | 表面弾性波多重モードフィルタ |
US5363073A (en) | 1992-10-19 | 1994-11-08 | Motorola, Inc. | Saw resonator filter with a multistrip coupler disposed in the resonator gaps |
JPH0774584A (ja) | 1993-09-01 | 1995-03-17 | Oki Electric Ind Co Ltd | 弾性表面波フィルタ |
JP3298769B2 (ja) | 1995-09-26 | 2002-07-08 | 松下電器産業株式会社 | 弾性表面波多重モードフィルタ |
JP3169830B2 (ja) | 1996-06-10 | 2001-05-28 | 株式会社日立製作所 | 弾性表面波フィルタ |
JPH10229317A (ja) | 1997-02-14 | 1998-08-25 | Nec Corp | 弾性表面波フィルタ用重み付け電極 |
US6650206B2 (en) | 2000-09-13 | 2003-11-18 | Matsushita Electric Industrial Co., Ltd. | Surface acoustic wave filter and communication apparatus with the same |
JP3963253B2 (ja) * | 2001-12-14 | 2007-08-22 | 富士通メディアデバイス株式会社 | 弾性表面波素子及びこれを用いた分波器 |
JP3622758B2 (ja) * | 2003-03-28 | 2005-02-23 | 松下電器産業株式会社 | 弾性表面波共振器、弾性表面波フィルタ、及びアンテナ共用器 |
-
2003
- 2003-11-27 JP JP2003396886A patent/JP3622758B2/ja not_active Expired - Lifetime
-
2004
- 2004-03-23 CN CN2004100302525A patent/CN1534870B/zh not_active Expired - Lifetime
- 2004-03-26 US US10/809,427 patent/US7034634B2/en not_active Expired - Lifetime
- 2004-03-27 KR KR1020040021027A patent/KR20040085047A/ko not_active Application Discontinuation
- 2004-03-29 EP EP04007553.3A patent/EP1463200B1/en not_active Expired - Lifetime
-
2006
- 2006-02-21 US US11/357,211 patent/US7138890B2/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1260086A (zh) * | 1997-06-09 | 2000-07-12 | 埃普科斯股份有限公司 | 横向模式谐振器滤波器 |
CN1260085A (zh) * | 1997-06-09 | 2000-07-12 | 埃普科斯股份有限公司 | 双模表面波滤波器 |
CN1340241A (zh) * | 1999-12-24 | 2002-03-13 | 松下电器产业株式会社 | 天线共用器 |
DE10057848A1 (de) * | 2000-11-22 | 2002-05-23 | Epcos Ag | Reaktanzfilter mit verbesserter Leistungsverträglichkeit |
Non-Patent Citations (1)
Title |
---|
同上. |
Also Published As
Publication number | Publication date |
---|---|
US7034634B2 (en) | 2006-04-25 |
EP1463200A2 (en) | 2004-09-29 |
CN1534870A (zh) | 2004-10-06 |
EP1463200A3 (en) | 2004-10-06 |
JP3622758B2 (ja) | 2005-02-23 |
US20060139126A1 (en) | 2006-06-29 |
JP2004320714A (ja) | 2004-11-11 |
EP1463200B1 (en) | 2016-12-21 |
KR20040085047A (ko) | 2004-10-07 |
US7138890B2 (en) | 2006-11-21 |
US20040212450A1 (en) | 2004-10-28 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
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: 20150130 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150130 Address after: Osaka Japan Patentee after: Tiangong Panasonic Filter Solutions Japan Co.,Ltd. Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co.,Ltd. |
|
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: SKYWORKS PANASONIC FILTER SOLUTIONS JAPAN CO.,LTD. Address before: Osaka Japan Patentee before: Tiangong Panasonic Filter Solutions Japan Co.,Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20101006 |
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CX01 | Expiry of patent term |