JPS6273622U - - Google Patents
Info
- Publication number
- JPS6273622U JPS6273622U JP16628585U JP16628585U JPS6273622U JP S6273622 U JPS6273622 U JP S6273622U JP 16628585 U JP16628585 U JP 16628585U JP 16628585 U JP16628585 U JP 16628585U JP S6273622 U JPS6273622 U JP S6273622U
- Authority
- JP
- Japan
- Prior art keywords
- idt
- grating
- resonator
- acoustic wave
- surface acoustic
- 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.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims description 2
- 238000010897 surface acoustic wave method Methods 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
第１図は本考案の一実施例を示すＳＡＷ共振子
の平面図、第２図はＩＤＴとグレーテイング反射
器の間隔の基準値を説明する図、第３図はＩＤＴ
とグレーテイング電極の間隔に対する周波数変動
値を示す図である。第４図及び第５図は従来のＳ
ＡＷ共振子の平面図及び断面図である。
６……圧電基板、７，８……共振子、９……弾
性表面波共振子、１０，１１……ＩＤＴ、１２，
１３……グレーテイング反射器、ｔ，ｔ′……端
縁間隔。
Figure 1 is a plan view of a SAW resonator showing an embodiment of the present invention, Figure 2 is a diagram explaining the reference value of the distance between the IDT and the grating reflector, and Figure 3 is a diagram showing the IDT and the grating reflector.
FIG. 4 is a diagram showing frequency fluctuation values with respect to the interval between the grating electrodes and the interval between the grating electrodes. Figures 4 and 5 show the conventional S
FIG. 2 is a plan view and a cross-sectional view of an AW resonator. 6... Piezoelectric substrate, 7, 8... Resonator, 9... Surface acoustic wave resonator, 10, 11... IDT, 12,
13... Grating reflector, t, t'... Edge spacing.
Claims (1)
レーテイング反射器からなる共振子電極を二組以
上形成したものにおいて、 ＩＤＴとグレーテイング反射器の対向する各端
縁間隔を７／８・λ±１／１６・λ（但しλは発
振の主モードの周波数の波長）に設定したことを
特徴とする弾性表面波共振子。[Claims for Utility Model Registration] Two or more sets of resonator electrodes consisting of an IDT and grating reflectors arranged on both sides of the IDT are formed on a piezoelectric substrate, and each of the opposite ends of the IDT and the grating reflector A surface acoustic wave resonator characterized in that the edge spacing is set to 7/8·λ±1/16·λ (where λ is the wavelength of the frequency of the main mode of oscillation).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16628585U JPS6273622U (en) | 1985-10-28 | 1985-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16628585U JPS6273622U (en) | 1985-10-28 | 1985-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6273622U true JPS6273622U (en) | 1987-05-12 |
Family
ID=31097112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16628585U Pending JPS6273622U (en) | 1985-10-28 | 1985-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6273622U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS575418A (en) * | 1980-06-13 | 1982-01-12 | Nippon Telegr & Teleph Corp <Ntt> | Cavity type surface elastic wave resonator |
-
1985
- 1985-10-28 JP JP16628585U patent/JPS6273622U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS575418A (en) * | 1980-06-13 | 1982-01-12 | Nippon Telegr & Teleph Corp <Ntt> | Cavity type surface elastic wave resonator |
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