JPH0423444B2 - - Google Patents
Info
- Publication number
- JPH0423444B2 JPH0423444B2 JP13185482A JP13185482A JPH0423444B2 JP H0423444 B2 JPH0423444 B2 JP H0423444B2 JP 13185482 A JP13185482 A JP 13185482A JP 13185482 A JP13185482 A JP 13185482A JP H0423444 B2 JPH0423444 B2 JP H0423444B2
- Authority
- JP
- Japan
- Prior art keywords
- surface acoustic
- electrodes
- idt
- grating
- bus bar
- 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
Links
- 238000010897 surface acoustic wave method Methods 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000013078 crystal Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000644 propagated effect 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13185482A JPS5921114A (ja) | 1982-07-27 | 1982-07-27 | 高周波狭帯域多重モ−ド・フイルタの電極構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13185482A JPS5921114A (ja) | 1982-07-27 | 1982-07-27 | 高周波狭帯域多重モ−ド・フイルタの電極構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5921114A JPS5921114A (ja) | 1984-02-03 |
JPH0423444B2 true JPH0423444B2 (en]) | 1992-04-22 |
Family
ID=15067669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13185482A Granted JPS5921114A (ja) | 1982-07-27 | 1982-07-27 | 高周波狭帯域多重モ−ド・フイルタの電極構造 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5921114A (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996015587A1 (fr) * | 1994-11-10 | 1996-05-23 | Fujitsu Limited | Filtre a ondes acoustiques |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5936415A (ja) * | 1982-08-24 | 1984-02-28 | Toyo Commun Equip Co Ltd | 反射器を備えたidt型多重モ−ド・フイルタの電極構造 |
JPS6410482A (en) * | 1987-07-03 | 1989-01-13 | Hashimoto Corp | Control system for vtr by computer |
JP2539789Y2 (ja) * | 1990-06-04 | 1997-06-25 | セイコーエプソン株式会社 | 弾性表面波フィルタの電極構造 |
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 |
-
1982
- 1982-07-27 JP JP13185482A patent/JPS5921114A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996015587A1 (fr) * | 1994-11-10 | 1996-05-23 | Fujitsu Limited | Filtre a ondes acoustiques |
Also Published As
Publication number | Publication date |
---|---|
JPS5921114A (ja) | 1984-02-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0056690B1 (en) | Surface acoustic wave resonator device | |
JP3233087B2 (ja) | 弾性表面波フィルタ | |
US6127769A (en) | Surface acoustic wave device | |
US4249146A (en) | Surface acoustic wave resonators utilizing harmonic frequencies | |
JP3587354B2 (ja) | 横結合共振子型表面波フィルタ及び縦結合共振子型表面波フィルタ | |
JP2000244275A (ja) | Saw共振子フィルタ | |
JP3950611B2 (ja) | 弾性表面波共振器 | |
JP7519902B2 (ja) | Sawフィルタデバイスにおける発生源抑制のための変換器構造 | |
JPH0423444B2 (en]) | ||
US5714830A (en) | Free edge reflective-type surface acoustic wave device | |
JPH0652853B2 (ja) | 反射器型高周波狭帯域多重モ−ド・フイルタの電極構造 | |
JP2000049558A (ja) | 弾性表面波フィルタ | |
JP2000312125A (ja) | 弾性表面波装置 | |
JPH0427727B2 (en]) | ||
JPH04373304A (ja) | 弾性表面波フィルタ | |
JPH0421366B2 (en]) | ||
JPH03119816A (ja) | 単一モード2端子対弾性表面波共振子および弾性表面波フィルタ | |
JPH0421367B2 (en]) | ||
JPH07303023A (ja) | 表面弾性波共振器 | |
JPH0452005B2 (en]) | ||
JP2542348B2 (ja) | 表面弾性波多重モ―ドフィルタ | |
JP4024224B2 (ja) | 弾性表面波装置 | |
JPH0817304B2 (ja) | 表面弾性波共振器および多重モードフィルタ | |
JP3068035B2 (ja) | 弾性表面波装置 | |
JP2003133889A (ja) | 縦結合型弾性表面波共振子フィルタ |