JPH0327353U - - Google Patents
Info
- Publication number
- JPH0327353U JPH0327353U JP8895289U JP8895289U JPH0327353U JP H0327353 U JPH0327353 U JP H0327353U JP 8895289 U JP8895289 U JP 8895289U JP 8895289 U JP8895289 U JP 8895289U JP H0327353 U JPH0327353 U JP H0327353U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric film
- utility
- sides
- scope
- registration request
- 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 2
- 239000012528 membrane Substances 0.000 claims 1
- 239000011358 absorbing material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
図面は本考案超音波探触子の一実施例を示す縦
断面図である。 １……圧電膜、２，３……電極、４……高分子
系圧電素子、６……吸音材。
断面図である。 １……圧電膜、２，３……電極、４……高分子
系圧電素子、６……吸音材。
Claims (1)
- 固有音響インピーダンスが２．０〜１０．０×
１０６Kg／m2・Ｓの圧電膜１の両面に膜状電極２
，３を設けて高分子系圧電素子４を形成し、この
高分子系圧電素子４の一面に当該圧電素子４の固
有音響インピーダンスと同程度の固有音響インピ
ーダンスを有する吸音材６を設けてなる超音波探
触子。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8895289U JPH0327353U (ja) | 1989-07-27 | 1989-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8895289U JPH0327353U (ja) | 1989-07-27 | 1989-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0327353U true JPH0327353U (ja) | 1991-03-19 |
Family
ID=31638545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8895289U Pending JPH0327353U (ja) | 1989-07-27 | 1989-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0327353U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012154744A (ja) * | 2011-01-25 | 2012-08-16 | Toyota Motor Corp | 超音波計測方法、及び超音波計測装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60113599A (ja) * | 1983-11-24 | 1985-06-20 | Nec Corp | 超音波探触子 |
| JPS60263854A (ja) * | 1984-06-12 | 1985-12-27 | Toshiba Corp | 超音波探触子 |
| JPS63255657A (ja) * | 1987-04-14 | 1988-10-21 | Ishikawajima Harima Heavy Ind Co Ltd | 探触子用ダンパ材の製造方法 |
-
1989
- 1989-07-27 JP JP8895289U patent/JPH0327353U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60113599A (ja) * | 1983-11-24 | 1985-06-20 | Nec Corp | 超音波探触子 |
| JPS60263854A (ja) * | 1984-06-12 | 1985-12-27 | Toshiba Corp | 超音波探触子 |
| JPS63255657A (ja) * | 1987-04-14 | 1988-10-21 | Ishikawajima Harima Heavy Ind Co Ltd | 探触子用ダンパ材の製造方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012154744A (ja) * | 2011-01-25 | 2012-08-16 | Toyota Motor Corp | 超音波計測方法、及び超音波計測装置 |