JPS5954958A - 電磁音響トランスデユ−サ - Google Patents
電磁音響トランスデユ−サInfo
- Publication number
- JPS5954958A JPS5954958A JP57164087A JP16408782A JPS5954958A JP S5954958 A JPS5954958 A JP S5954958A JP 57164087 A JP57164087 A JP 57164087A JP 16408782 A JP16408782 A JP 16408782A JP S5954958 A JPS5954958 A JP S5954958A
- Authority
- JP
- Japan
- Prior art keywords
- magnets
- plate
- shaped
- frequency current
- acoustic transducer
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 claims abstract description 23
- 229910000859 α-Fe Inorganic materials 0.000 abstract description 4
- 230000004907 flux Effects 0.000 abstract description 3
- 230000001902 propagating effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 241000255789 Bombyx mori Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2412—Probes using the magnetostrictive properties of the material to be examined, e.g. electromagnetic acoustic transducers [EMAT]
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57164087A JPS5954958A (ja) | 1982-09-22 | 1982-09-22 | 電磁音響トランスデユ−サ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57164087A JPS5954958A (ja) | 1982-09-22 | 1982-09-22 | 電磁音響トランスデユ−サ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5954958A true JPS5954958A (ja) | 1984-03-29 |
| JPH0142379B2 JPH0142379B2 (cs) | 1989-09-12 |
Family
ID=15786524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57164087A Granted JPS5954958A (ja) | 1982-09-22 | 1982-09-22 | 電磁音響トランスデユ−サ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5954958A (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022103832A (ja) * | 2020-12-28 | 2022-07-08 | 日立Ｇｅニュークリア・エナジー株式会社 | 電磁超音波検査装置 |
-
1982
- 1982-09-22 JP JP57164087A patent/JPS5954958A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022103832A (ja) * | 2020-12-28 | 2022-07-08 | 日立Ｇｅニュークリア・エナジー株式会社 | 電磁超音波検査装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0142379B2 (cs) | 1989-09-12 |
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