CN1248410C - 利用压电衬底非对称最优化切割的表面声波器件 - Google Patents
利用压电衬底非对称最优化切割的表面声波器件 Download PDFInfo
- Publication number
- CN1248410C CN1248410C CNB018147801A CN01814780A CN1248410C CN 1248410 C CN1248410 C CN 1248410C CN B018147801 A CNB018147801 A CN B018147801A CN 01814780 A CN01814780 A CN 01814780A CN 1248410 C CN1248410 C CN 1248410C
- Authority
- CN
- China
- Prior art keywords
- angle
- piezoelectric substrate
- range
- electrode
- acoustic wave
- 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.)
- Expired - Lifetime
Links
Images
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
- H03H9/46—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
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
- H03H9/02559—Characteristics of substrate, e.g. cutting angles of lithium niobate or lithium-tantalate substrates
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22952300P | 2000-08-31 | 2000-08-31 | |
| US60/229,523 | 2000-08-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1476668A CN1476668A (zh) | 2004-02-18 |
| CN1248410C true CN1248410C (zh) | 2006-03-29 |
Family
ID=22861606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB018147801A Expired - Lifetime CN1248410C (zh) | 2000-08-31 | 2001-05-03 | 利用压电衬底非对称最优化切割的表面声波器件 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6556104B2 (enExample) |
| JP (1) | JP2004507960A (enExample) |
| CN (1) | CN1248410C (enExample) |
| AU (1) | AU2001259447A1 (enExample) |
| DE (1) | DE10196571B4 (enExample) |
| WO (1) | WO2002019522A1 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3391309B2 (ja) | 1999-09-02 | 2003-03-31 | 株式会社村田製作所 | 表面波装置及び通信機装置 |
| JP3979279B2 (ja) * | 2001-12-28 | 2007-09-19 | 株式会社村田製作所 | 弾性表面波装置 |
| DE10216842B4 (de) * | 2002-04-16 | 2012-10-25 | Epcos Ag | Substrat für SAW-Bauelemente mit hoher Bandbreite |
| US6833774B2 (en) * | 2002-06-25 | 2004-12-21 | Sawtek, Inc. | Surface acoustic wave filter |
| JP3841053B2 (ja) | 2002-07-24 | 2006-11-01 | 株式会社村田製作所 | 弾性表面波装置及びその製造方法 |
| JP2004165879A (ja) * | 2002-11-12 | 2004-06-10 | Alps Electric Co Ltd | 弾性表面波素子 |
| JPWO2005011117A1 (ja) * | 2003-07-29 | 2006-09-14 | 株式会社村田製作所 | 1ポート型弾性表面波共振子及び弾性表面波フィルタ |
| JP2007028538A (ja) | 2005-07-21 | 2007-02-01 | Tdk Corp | 弾性表面波装置 |
| DE102006019961B4 (de) | 2006-04-28 | 2008-01-10 | Epcos Ag | Elektroakustisches Bauelement |
| US7446453B1 (en) | 2006-07-05 | 2008-11-04 | Triquint, Inc. | Surface acoustic wave devices using surface acoustic waves with strong piezoelectric coupling |
| US8035464B1 (en) | 2009-03-05 | 2011-10-11 | Triquint Semiconductor, Inc. | Bonded wafer SAW filters and methods |
| US8378553B1 (en) | 2010-07-01 | 2013-02-19 | Triquint Semiconductor, Inc. | Buried idt SAW filter having low propagation loss |
| CN105082375B (zh) * | 2014-05-05 | 2017-01-18 | 中国科学院理化技术研究所 | 一种晶体切割方法 |
| JP6633544B2 (ja) * | 2014-12-24 | 2020-01-22 | シチズン時計株式会社 | 弾性表面波デバイス |
| US10756625B2 (en) * | 2016-06-29 | 2020-08-25 | Win Semiconductors Corp. | Integrated module of acoustic wave device with active thermal compensation and an active thermal compensating method thereof |
| JP7068835B2 (ja) * | 2018-01-26 | 2022-05-17 | 太陽誘電株式会社 | 弾性波デバイス、フィルタおよびマルチプレクサ |
| CN108055017A (zh) * | 2018-02-11 | 2018-05-18 | 海宁市瑞宏科技有限公司 | 一种用于超带宽声表面波滤波器设计的谐振器结构 |
| FR3094480B1 (fr) * | 2019-03-29 | 2021-10-01 | Frecnsys | Capteur à ondes acoustiques et interrogation de celui-ci |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4001767A (en) * | 1975-11-18 | 1977-01-04 | The United States Of America As Represented By The Secretary Of The Air Force | Low diffraction loss-low spurious response LiTaO3 substrate for surface acoustic wave devices |
| US5081389A (en) * | 1990-11-30 | 1992-01-14 | Ascom Zelcom Ag. | Crystal cut angles for lithium tantalate crystal for novel surface acoustic wave devices |
| WO1996004713A1 (en) * | 1994-08-05 | 1996-02-15 | Japan Energy Corporation | Surface acoustic wave device and production method thereof |
| JP3439294B2 (ja) * | 1995-04-10 | 2003-08-25 | 三洋電機株式会社 | 弾性表面波フィルター |
| JP3358688B2 (ja) * | 1995-04-10 | 2002-12-24 | 三洋電機株式会社 | 弾性表面波素子 |
| JP3281510B2 (ja) * | 1995-05-17 | 2002-05-13 | 康敬 清水 | 弾性表面波素子 |
| JPH09167936A (ja) * | 1995-10-13 | 1997-06-24 | Fujitsu Ltd | 弾性表面波装置 |
| JPH09331229A (ja) * | 1996-03-08 | 1997-12-22 | Yasutaka Shimizu | 弾性表面波素子 |
| EP0886375A4 (en) * | 1996-03-08 | 2000-12-06 | Sanyo Electric Co | ACOUSTIC SURFACE ELEMENT AND PORTABLE TELEPHONE THEREFOR |
| JP3224202B2 (ja) * | 1996-11-28 | 2001-10-29 | 富士通株式会社 | 弾性表面波装置 |
| JP3391309B2 (ja) * | 1999-09-02 | 2003-03-31 | 株式会社村田製作所 | 表面波装置及び通信機装置 |
-
2001
- 2001-05-03 WO PCT/US2001/014347 patent/WO2002019522A1/en not_active Ceased
- 2001-05-03 CN CNB018147801A patent/CN1248410C/zh not_active Expired - Lifetime
- 2001-05-03 JP JP2002523709A patent/JP2004507960A/ja active Pending
- 2001-05-03 DE DE10196571T patent/DE10196571B4/de not_active Expired - Fee Related
- 2001-05-03 AU AU2001259447A patent/AU2001259447A1/en not_active Abandoned
- 2001-05-03 US US09/848,714 patent/US6556104B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US20020067227A1 (en) | 2002-06-06 |
| JP2004507960A (ja) | 2004-03-11 |
| US6556104B2 (en) | 2003-04-29 |
| DE10196571B4 (de) | 2007-07-05 |
| DE10196571T1 (de) | 2003-07-03 |
| AU2001259447A1 (en) | 2002-03-13 |
| WO2002019522A1 (en) | 2002-03-07 |
| CN1476668A (zh) | 2004-02-18 |
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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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20060329 |