CA1207076A - Transducteur d'ultrasons a focales multiples - Google Patents
Transducteur d'ultrasons a focales multiplesInfo
- Publication number
- CA1207076A CA1207076A CA000434783A CA434783A CA1207076A CA 1207076 A CA1207076 A CA 1207076A CA 000434783 A CA000434783 A CA 000434783A CA 434783 A CA434783 A CA 434783A CA 1207076 A CA1207076 A CA 1207076A
- Authority
- CA
- Canada
- Prior art keywords
- section
- spiral
- piezoelectric element
- transducer
- focal length
- 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
- 239000000463 material Substances 0.000 claims description 13
- 238000013016 damping Methods 0.000 claims description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 11
- 239000002033 PVDF binder Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 5
- KUVIULQEHSCUHY-XYWKZLDCSA-N Beclometasone Chemical compound C1CC2=CC(=O)C=C[C@]2(C)[C@]2(Cl)[C@@H]1[C@@H]1C[C@H](C)[C@@](C(=O)COC(=O)CC)(OC(=O)CC)[C@@]1(C)C[C@@H]2O KUVIULQEHSCUHY-XYWKZLDCSA-N 0.000 description 3
- 101150008563 spir gene Proteins 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000434783A CA1207076A (fr) | 1983-08-17 | 1983-08-17 | Transducteur d'ultrasons a focales multiples |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000434783A CA1207076A (fr) | 1983-08-17 | 1983-08-17 | Transducteur d'ultrasons a focales multiples |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1207076A true CA1207076A (fr) | 1986-07-02 |
Family
ID=4125898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000434783A Expired CA1207076A (fr) | 1983-08-17 | 1983-08-17 | Transducteur d'ultrasons a focales multiples |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1207076A (fr) |
-
1983
- 1983-08-17 CA CA000434783A patent/CA1207076A/fr not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |