CN103053112B - 弹性波装置 - Google Patents
弹性波装置 Download PDFInfo
- Publication number
- CN103053112B CN103053112B CN201280002266.9A CN201280002266A CN103053112B CN 103053112 B CN103053112 B CN 103053112B CN 201280002266 A CN201280002266 A CN 201280002266A CN 103053112 B CN103053112 B CN 103053112B
- Authority
- CN
- China
- Prior art keywords
- idt
- comb electrode
- acoustic wave
- balanced terminals
- filter
- 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.)
- Active
Links
- 230000013011 mating Effects 0.000 claims description 45
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 description 15
- 238000003780 insertion Methods 0.000 description 12
- 230000037431 insertion Effects 0.000 description 12
- 230000003071 parasitic effect Effects 0.000 description 7
- 210000001520 comb Anatomy 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 238000002955 isolation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
- 235000019687 Lamb Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- PSHMSSXLYVAENJ-UHFFFAOYSA-N dilithium;[oxido(oxoboranyloxy)boranyl]oxy-oxoboranyloxyborinate Chemical compound [Li+].[Li+].O=BOB([O-])OB([O-])OB=O PSHMSSXLYVAENJ-UHFFFAOYSA-N 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface 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
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0033—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only
- H03H9/0038—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only the balanced terminals being on the same side of the track
-
- 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
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0085—Balance-unbalance or balance-balance networks using surface acoustic wave devices having four acoustic tracks
-
- 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
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0047—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks
- H03H9/0066—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically parallel
- H03H9/0071—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically parallel the balanced terminals being on the same side of the tracks
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/72—Networks using surface acoustic waves
- H03H9/725—Duplexers
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims (32)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011-051192 | 2011-03-09 | ||
JP2011051192 | 2011-03-09 | ||
PCT/JP2012/001546 WO2012120879A1 (ja) | 2011-03-09 | 2012-03-07 | 弾性波装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103053112A CN103053112A (zh) | 2013-04-17 |
CN103053112B true CN103053112B (zh) | 2015-12-09 |
Family
ID=46797850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201280002266.9A Active CN103053112B (zh) | 2011-03-09 | 2012-03-07 | 弹性波装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9172350B2 (zh) |
JP (1) | JP5476617B2 (zh) |
CN (1) | CN103053112B (zh) |
WO (1) | WO2012120879A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6465047B2 (ja) * | 2016-02-19 | 2019-02-06 | 株式会社村田製作所 | 弾性波共振子、帯域通過型フィルタ及びデュプレクサ |
KR102625090B1 (ko) * | 2019-01-31 | 2024-01-16 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 디바이스 및 멀티플렉서 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101438495A (zh) * | 2006-05-08 | 2009-05-20 | 株式会社村田制作所 | 弹性波滤波装置和双工器 |
CN101682312A (zh) * | 2007-05-29 | 2010-03-24 | 株式会社村田制作所 | 弹性波分波器 |
CN101971496A (zh) * | 2008-03-14 | 2011-02-09 | 松下电器产业株式会社 | 弹性波滤波器、使用其的双工器以及电子设备 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3918102B2 (ja) | 2004-06-30 | 2007-05-23 | 株式会社村田製作所 | バランス型弾性波フィルタ及び弾性波フィルタ装置 |
JP4702454B2 (ja) | 2007-02-02 | 2011-06-15 | 株式会社村田製作所 | 弾性波フィルタ装置 |
JP5016467B2 (ja) | 2007-12-14 | 2012-09-05 | 太陽誘電株式会社 | 弾性波フィルタ |
-
2012
- 2012-03-07 JP JP2013503392A patent/JP5476617B2/ja active Active
- 2012-03-07 CN CN201280002266.9A patent/CN103053112B/zh active Active
- 2012-03-07 US US13/701,417 patent/US9172350B2/en active Active
- 2012-03-07 WO PCT/JP2012/001546 patent/WO2012120879A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101438495A (zh) * | 2006-05-08 | 2009-05-20 | 株式会社村田制作所 | 弹性波滤波装置和双工器 |
CN101682312A (zh) * | 2007-05-29 | 2010-03-24 | 株式会社村田制作所 | 弹性波分波器 |
CN101971496A (zh) * | 2008-03-14 | 2011-02-09 | 松下电器产业株式会社 | 弹性波滤波器、使用其的双工器以及电子设备 |
Also Published As
Publication number | Publication date |
---|---|
US20130141189A1 (en) | 2013-06-06 |
JP5476617B2 (ja) | 2014-04-23 |
US9172350B2 (en) | 2015-10-27 |
CN103053112A (zh) | 2013-04-17 |
JPWO2012120879A1 (ja) | 2014-07-17 |
WO2012120879A1 (ja) | 2012-09-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
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: 20141230 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20141230 Address after: Osaka Japan Applicant after: PANASONIC CORPORATION Address before: Osaka Japan Applicant before: Matsushita Electric Industrial Co., Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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 |