JPH0467899U - - Google Patents
Info
- Publication number
- JPH0467899U JPH0467899U JP11079990U JP11079990U JPH0467899U JP H0467899 U JPH0467899 U JP H0467899U JP 11079990 U JP11079990 U JP 11079990U JP 11079990 U JP11079990 U JP 11079990U JP H0467899 U JPH0467899 U JP H0467899U
- Authority
- JP
- Japan
- Prior art keywords
- rigid body
- ultrasonic probe
- coefficient
- thermal expansion
- piezoelectric vibrator
- 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
- 239000000523 sample Substances 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は、本考案の一実施例を示す断面図、第
２図はその超音波振動子の詳細を示す拡大側面図
、及び第３図は従来の超音波探触子を示す断面図
である。
１……圧電振動子、２……遮音材、３……樹脂
、４……ケース、５……リード線、６……圧縮応
力、７……引張り応力、８……輻射面側電極、９
……非輻射面側電極、１０……破壊点、１１……
剛体、１２……接着層、１３……圧縮応力。
Fig. 1 is a sectional view showing an embodiment of the present invention, Fig. 2 is an enlarged side view showing details of the ultrasonic transducer, and Fig. 3 is a sectional view showing a conventional ultrasonic probe. be. DESCRIPTION OF SYMBOLS 1... Piezoelectric vibrator, 2... Sound insulation material, 3... Resin, 4... Case, 5... Lead wire, 6... Compressive stress, 7... Tensile stress, 8... Radiation surface side electrode, 9
...Non-radiation surface side electrode, 10... Breaking point, 11...
Rigid body, 12... Adhesive layer, 13... Compressive stress.
Claims (1)
前記圧電振動子の非輻射面側電極に剛体を固着し
たことを特徴とする超音波探触子。 (2) 請求項第１項の超音波振動子において、前
記剛体の厚さがλ／２＋ｎλ（λ：剛体中の波長
、ｎ＝０，１，２，３，…）であることを特徴と
する超音波探触子。 (3) 請求項第１項の超音波振動子において、前
記剛体の熱膨張率が前記圧電振動子の熱膨張率よ
りも大きいことを特徴とする超音波探触子。[Scope of claims for utility model registration] (1) In an ultrasonic probe using piezoelectric vibration,
An ultrasonic probe characterized in that a rigid body is fixed to the non-radiation surface electrode of the piezoelectric vibrator. (2) The ultrasonic transducer according to claim 1, characterized in that the thickness of the rigid body is λ/2+nλ (λ: wavelength in the rigid body, n=0, 1, 2, 3,...). Ultrasonic probe. (3) The ultrasonic transducer according to claim 1, wherein a coefficient of thermal expansion of the rigid body is larger than a coefficient of thermal expansion of the piezoelectric vibrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11079990U JPH0467899U (en) | 1990-10-23 | 1990-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11079990U JPH0467899U (en) | 1990-10-23 | 1990-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0467899U true JPH0467899U (en) | 1992-06-16 |
Family
ID=31858192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11079990U Pending JPH0467899U (en) | 1990-10-23 | 1990-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0467899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999038027A1 (en) * | 1996-12-06 | 1999-07-29 | Shigeyasu Ishida | Transmitter for ultrasonic wave emitter |
-
1990
- 1990-10-23 JP JP11079990U patent/JPH0467899U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999038027A1 (en) * | 1996-12-06 | 1999-07-29 | Shigeyasu Ishida | Transmitter for ultrasonic wave emitter |
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