JPH10173467A - トランスバーサル型sawフィルタ - Google Patents
トランスバーサル型sawフィルタInfo
- Publication number
- JPH10173467A JPH10173467A JP35287896A JP35287896A JPH10173467A JP H10173467 A JPH10173467 A JP H10173467A JP 35287896 A JP35287896 A JP 35287896A JP 35287896 A JP35287896 A JP 35287896A JP H10173467 A JPH10173467 A JP H10173467A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- saw filter
- dummy
- idt
- electrodes
- 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.)
- Withdrawn
Links
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 239000013078 crystal Substances 0.000 abstract 1
- 230000001902 propagating effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000010897 surface acoustic wave method Methods 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910003327 LiNbO3 Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35287896A JPH10173467A (ja) | 1996-12-13 | 1996-12-13 | トランスバーサル型sawフィルタ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35287896A JPH10173467A (ja) | 1996-12-13 | 1996-12-13 | トランスバーサル型sawフィルタ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10173467A true JPH10173467A (ja) | 1998-06-26 |
| JPH10173467A5 JPH10173467A5 (enExample) | 2004-10-07 |
Family
ID=18427074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35287896A Withdrawn JPH10173467A (ja) | 1996-12-13 | 1996-12-13 | トランスバーサル型sawフィルタ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10173467A (enExample) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003087083A (ja) * | 2001-07-04 | 2003-03-20 | Murata Mfg Co Ltd | 弾性表面波用のくし型電極部、弾性表面波装置、通信装置 |
| EP1324489A1 (en) * | 2001-12-21 | 2003-07-02 | Temex | Method for realising surface acoustic wave filter arrangements and filter arrangement obtained in accordance to this method |
| KR100679195B1 (ko) * | 2001-12-21 | 2007-02-07 | 후지쓰 메디아 데바이스 가부시키가이샤 | 탄성 표면파 공진자 및 탄성 표면파 필터 |
| US7671705B2 (en) | 2006-09-29 | 2010-03-02 | Tdk Corporation | Surface acoustic wave filter and resonator utilizing a branch electrode with an electrically opened end |
| JPWO2016170982A1 (ja) * | 2015-04-24 | 2017-05-18 | 株式会社村田製作所 | 弾性波装置 |
| WO2020120153A1 (en) * | 2018-12-12 | 2020-06-18 | RF360 Europe GmbH | Electro acoustic resonator with suppressed transversal gap mode excitation and reduced transversal modes |
| JPWO2023286704A1 (enExample) * | 2021-07-16 | 2023-01-19 |
-
1996
- 1996-12-13 JP JP35287896A patent/JPH10173467A/ja not_active Withdrawn
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003087083A (ja) * | 2001-07-04 | 2003-03-20 | Murata Mfg Co Ltd | 弾性表面波用のくし型電極部、弾性表面波装置、通信装置 |
| EP1324489A1 (en) * | 2001-12-21 | 2003-07-02 | Temex | Method for realising surface acoustic wave filter arrangements and filter arrangement obtained in accordance to this method |
| KR100679195B1 (ko) * | 2001-12-21 | 2007-02-07 | 후지쓰 메디아 데바이스 가부시키가이샤 | 탄성 표면파 공진자 및 탄성 표면파 필터 |
| US7671705B2 (en) | 2006-09-29 | 2010-03-02 | Tdk Corporation | Surface acoustic wave filter and resonator utilizing a branch electrode with an electrically opened end |
| JPWO2016170982A1 (ja) * | 2015-04-24 | 2017-05-18 | 株式会社村田製作所 | 弾性波装置 |
| WO2020120153A1 (en) * | 2018-12-12 | 2020-06-18 | RF360 Europe GmbH | Electro acoustic resonator with suppressed transversal gap mode excitation and reduced transversal modes |
| CN113169719A (zh) * | 2018-12-12 | 2021-07-23 | Rf360欧洲有限责任公司 | 横向间隙模式激发受到抑制且横向模式减少的电声谐振器 |
| US11876504B2 (en) | 2018-12-12 | 2024-01-16 | Rf360 Singapore Pte. Ltd. | Electro acoustic resonator with suppressed transversal gap mode excitation and reduced transversal modes |
| US12218649B2 (en) | 2018-12-12 | 2025-02-04 | Rf360 Singapore Pte. Ltd. | Electro acoustic resonator with suppressed transversal gap mode excitation and reduced transversal modes |
| JPWO2023286704A1 (enExample) * | 2021-07-16 | 2023-01-19 | ||
| WO2023286704A1 (ja) * | 2021-07-16 | 2023-01-19 | 京セラ株式会社 | 弾性波装置、フィルタ、分波器及び通信装置 |
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