KR102656794B1 - 탄성파 필터 및 멀티플렉서 - Google Patents
탄성파 필터 및 멀티플렉서 Download PDFInfo
- Publication number
- KR102656794B1 KR102656794B1 KR1020227000447A KR20227000447A KR102656794B1 KR 102656794 B1 KR102656794 B1 KR 102656794B1 KR 1020227000447 A KR1020227000447 A KR 1020227000447A KR 20227000447 A KR20227000447 A KR 20227000447A KR 102656794 B1 KR102656794 B1 KR 102656794B1
- Authority
- KR
- South Korea
- Prior art keywords
- electrode
- pitch
- electrode finger
- idt
- comb
- 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
- 239000000758 substrate Substances 0.000 claims description 25
- 101000802640 Homo sapiens Lactosylceramide 4-alpha-galactosyltransferase Proteins 0.000 abstract description 70
- 102100035838 Lactosylceramide 4-alpha-galactosyltransferase Human genes 0.000 abstract description 70
- 239000011295 pitch Substances 0.000 description 189
- 230000000052 comparative effect Effects 0.000 description 39
- 230000005540 biological transmission Effects 0.000 description 30
- 238000002955 isolation Methods 0.000 description 21
- 230000001788 irregular Effects 0.000 description 16
- 230000005284 excitation Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 12
- 230000006872 improvement Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 230000006866 deterioration Effects 0.000 description 7
- 238000010897 surface acoustic wave method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 101100276036 Arabidopsis thaliana CTL1 gene Proteins 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- XGFJCRNRWOXGQM-UHFFFAOYSA-N hot-2 Chemical compound CCSC1=CC(OC)=C(CCNO)C=C1OC XGFJCRNRWOXGQM-UHFFFAOYSA-N 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000001629 suppression 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 elements; 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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
- H03H9/14576—Transducers whereby only the last fingers have different characteristics with respect to the other fingers, e.g. different shape, thickness or material, split finger
- H03H9/14582—Transducers whereby only the last fingers have different characteristics with respect to the other fingers, e.g. different shape, thickness or material, split finger the last fingers having a different pitch
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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 elements; 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
- H03H9/14538—Formation
- H03H9/14541—Multilayer finger or busbar electrode
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
- H03H9/02574—Characteristics of substrate, e.g. cutting angles of combined substrates, multilayered substrates, piezoelectrical layers on not-piezoelectrical substrate
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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 elements; 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
- H03H9/644—Coupled resonator filters having two acoustic tracks
- H03H9/6456—Coupled resonator filters having two acoustic tracks being electrically coupled
- H03H9/6469—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes
- H03H9/6476—Coupled resonator filters having two acoustic tracks being electrically coupled via two connecting electrodes the tracks being electrically parallel
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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 elements; 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2019-131525 | 2019-07-17 | ||
| JP2019131525 | 2019-07-17 | ||
| PCT/JP2020/027273 WO2021010379A1 (ja) | 2019-07-17 | 2020-07-13 | 弾性波フィルタおよびマルチプレクサ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20220018020A KR20220018020A (ko) | 2022-02-14 |
| KR102656794B1 true KR102656794B1 (ko) | 2024-04-12 |
Family
ID=74210791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020227000447A Active KR102656794B1 (ko) | 2019-07-17 | 2020-07-13 | 탄성파 필터 및 멀티플렉서 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12107563B2 (https=) |
| JP (1) | JP7272440B2 (https=) |
| KR (1) | KR102656794B1 (https=) |
| CN (1) | CN114097175B (https=) |
| WO (1) | WO2021010379A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023003114A (ja) | 2021-06-23 | 2023-01-11 | 株式会社村田製作所 | 表面弾性波共振子、弾性波フィルタおよびマルチプレクサ |
| WO2023063254A1 (ja) * | 2021-10-14 | 2023-04-20 | 株式会社村田製作所 | 弾性波フィルタおよびマルチプレクサ |
| JP2023184052A (ja) | 2022-06-17 | 2023-12-28 | 株式会社村田製作所 | 弾性波フィルタ |
| CN116633307B (zh) * | 2023-05-23 | 2024-09-10 | 无锡市好达电子股份有限公司 | 弹性波装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020047759A1 (en) | 2000-06-26 | 2002-04-25 | Murata Manufacturing Co., Ltd. | Longitudinally coupled resonator type surface acoustic wave filter |
| JP2003087096A (ja) | 2001-09-17 | 2003-03-20 | Toyo Commun Equip Co Ltd | ラダー型弾性表面波フィルタ |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09130203A (ja) * | 1995-11-01 | 1997-05-16 | Toyo Commun Equip Co Ltd | 二段縦続接続縦結合二重モードｓａｗフィルタ |
| US6972643B2 (en) | 2001-06-29 | 2005-12-06 | Matsushita Electric Industrial Co., Ltd. | Surface acoustic wave filter |
| US7679474B2 (en) * | 2004-01-09 | 2010-03-16 | Panasonic Corporation | Surface acoustic wave resonator, and surface acoustic wave filter |
| JP4646700B2 (ja) * | 2005-05-27 | 2011-03-09 | 京セラ株式会社 | 弾性表面波共振器および弾性表面波装置ならびに通信装置 |
| CN101292421B (zh) * | 2005-10-27 | 2011-08-24 | 京瓷株式会社 | 声表面波装置和通信装置 |
| JP2008252678A (ja) | 2007-03-30 | 2008-10-16 | Tdk Corp | 縦結合共振子型弾性表面波フィルタ |
| US8436696B2 (en) * | 2007-06-28 | 2013-05-07 | Kyocera Corporation | Surface acoustic wave device and communication device |
| CN102197591B (zh) * | 2008-10-24 | 2014-05-14 | 精工爱普生株式会社 | 表面声波谐振器、表面声波振荡器以及表面声波模块装置 |
| KR20110081865A (ko) * | 2008-10-24 | 2011-07-14 | 엡슨 토요콤 가부시키 가이샤 | 탄성 표면파 공진자, 탄성 표면파 발진기 및 탄성 표면파 모듈 장치 |
| CN103597743B (zh) * | 2012-02-15 | 2016-08-17 | 天工松下滤波方案日本有限公司 | 多模式弹性波元件 |
| WO2016208236A1 (ja) | 2015-06-22 | 2016-12-29 | 株式会社村田製作所 | 弾性波フィルタ装置 |
| US10148246B2 (en) * | 2016-06-08 | 2018-12-04 | Murata Manufacturing Co., Ltd. | Multiplexer and radio-frequency (RF) front-end module |
| JP6798562B2 (ja) * | 2016-10-28 | 2020-12-09 | 株式会社村田製作所 | ラダー型フィルタ、デュプレクサ及び弾性波フィルタ装置 |
| CN110140296B (zh) | 2016-12-28 | 2023-01-13 | 株式会社村田制作所 | 纵耦合谐振器型弹性波滤波器 |
-
2020
- 2020-07-13 WO PCT/JP2020/027273 patent/WO2021010379A1/ja not_active Ceased
- 2020-07-13 KR KR1020227000447A patent/KR102656794B1/ko active Active
- 2020-07-13 JP JP2021533071A patent/JP7272440B2/ja active Active
- 2020-07-13 CN CN202080047702.9A patent/CN114097175B/zh active Active
-
2022
- 2022-01-13 US US17/574,604 patent/US12107563B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020047759A1 (en) | 2000-06-26 | 2002-04-25 | Murata Manufacturing Co., Ltd. | Longitudinally coupled resonator type surface acoustic wave filter |
| JP2003087096A (ja) | 2001-09-17 | 2003-03-20 | Toyo Commun Equip Co Ltd | ラダー型弾性表面波フィルタ |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114097175B (zh) | 2025-07-01 |
| JP7272440B2 (ja) | 2023-05-12 |
| US12107563B2 (en) | 2024-10-01 |
| JPWO2021010379A1 (https=) | 2021-01-21 |
| WO2021010379A1 (ja) | 2021-01-21 |
| US20220140809A1 (en) | 2022-05-05 |
| CN114097175A (zh) | 2022-02-25 |
| KR20220018020A (ko) | 2022-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102656794B1 (ko) | 탄성파 필터 및 멀티플렉서 | |
| US9762209B2 (en) | Duplexer with a series trap element and a specifically connected capacitance or elastic wave resonator | |
| KR101914890B1 (ko) | 래더형 필터, 탄성파 필터 모듈 및 듀플렉서 | |
| JP6618581B2 (ja) | 高周波フィルタ | |
| KR101644380B1 (ko) | 탄성파 필터 장치 및 듀플렉서 | |
| EP2416496A1 (en) | Elastic wave filter | |
| KR101686006B1 (ko) | 래더형 필터 및 듀플렉서 | |
| WO2016174938A1 (ja) | ラダー型フィルタ及びデュプレクサ | |
| US20170117873A1 (en) | Band pass filter and duplexer | |
| CN112290906B (zh) | 滤波器及多工器 | |
| KR102546485B1 (ko) | 멀티플렉서 | |
| JP2013081068A (ja) | ワンチップ漏洩表面弾性波装置 | |
| US20140176257A1 (en) | Elastic-wave filter device | |
| US12184267B2 (en) | Surface acoustic wave resonator, acoustic wave filter, and multiplexer | |
| KR20210045322A (ko) | 필터 장치 | |
| KR102457196B1 (ko) | 필터 및 멀티플렉서 | |
| CN218514362U (zh) | 多工器 | |
| KR102710495B1 (ko) | 탄성파 필터, 고주파 모듈 및 멀티플렉서 | |
| CN116210155B (zh) | 多工器 | |
| US10153747B2 (en) | Surface acoustic wave element | |
| WO2019235514A1 (ja) | フィルタおよびマルチプレクサ |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20220106 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20240201 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20240408 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 20240409 End annual number: 3 Start annual number: 1 |
|
| PG1601 | Publication of registration |