CA1277413C - Dispositif a ondes acoustiques de surface a reseau de touches continu - Google Patents
Dispositif a ondes acoustiques de surface a reseau de touches continuInfo
- Publication number
- CA1277413C CA1277413C CA000522629A CA522629A CA1277413C CA 1277413 C CA1277413 C CA 1277413C CA 000522629 A CA000522629 A CA 000522629A CA 522629 A CA522629 A CA 522629A CA 1277413 C CA1277413 C CA 1277413C
- Authority
- CA
- Canada
- Prior art keywords
- fingers
- idt
- reflection suppressing
- saw device
- region
- 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
- 238000010897 surface acoustic wave method Methods 0.000 claims abstract description 93
- 230000003247 decreasing effect Effects 0.000 claims abstract description 22
- 230000000295 complement effect Effects 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims description 12
- 230000002463 transducing effect Effects 0.000 claims description 2
- 239000006098 acoustic absorber Substances 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910003327 LiNbO3 Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000644 propagated 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 |
|---|---|---|---|
| US07/119,455 US4814658A (en) | 1986-11-10 | 1987-11-10 | SAW device with continuous finger pattern |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/119,455 US4814658A (en) | 1986-11-10 | 1987-11-10 | SAW device with continuous finger pattern |
| US119,455 | 1987-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1277413C true CA1277413C (fr) | 1990-12-04 |
Family
ID=22384500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000522629A Expired - Lifetime CA1277413C (fr) | 1986-11-10 | 1986-11-10 | Dispositif a ondes acoustiques de surface a reseau de touches continu |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1277413C (fr) |
-
1986
- 1986-11-10 CA CA000522629A patent/CA1277413C/fr not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed | ||
| MKLA | Lapsed |
Effective date: 20061204 |