GB1602741A - Acoustic test devices - Google Patents
Acoustic test devices Download PDFInfo
- Publication number
- GB1602741A GB1602741A GB2071377A GB2071377A GB1602741A GB 1602741 A GB1602741 A GB 1602741A GB 2071377 A GB2071377 A GB 2071377A GB 2071377 A GB2071377 A GB 2071377A GB 1602741 A GB1602741 A GB 1602741A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acoustic
- transducer
- flat
- source
- excitation means
- 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
- 238000012360 testing method Methods 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000005284 excitation Effects 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 230000007547 defect Effects 0.000 claims description 6
- 239000011800 void material Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 239000005350 fused silica glass Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 description 11
- 239000013078 crystal Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 229910052594 sapphire Inorganic materials 0.000 description 4
- 239000010980 sapphire Substances 0.000 description 4
- 239000010408 film Substances 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 235000005979 Citrus limon Nutrition 0.000 description 2
- 244000131522 Citrus pyriformis Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000006098 acoustic absorber Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2071377A GB1602741A (en) | 1977-05-17 | 1977-05-17 | Acoustic test devices |
| JP5813878A JPS5417701A (en) | 1977-05-17 | 1978-05-16 | Acoustic device and system |
| DE19782821573 DE2821573A1 (de) | 1977-05-17 | 1978-05-17 | Akustische vorrichtung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2071377A GB1602741A (en) | 1977-05-17 | 1977-05-17 | Acoustic test devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1602741A true GB1602741A (en) | 1981-11-18 |
Family
ID=10150440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2071377A Expired GB1602741A (en) | 1977-05-17 | 1977-05-17 | Acoustic test devices |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5417701A (enrdf_load_stackoverflow) |
| DE (1) | DE2821573A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1602741A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4367648A (en) * | 1980-03-25 | 1983-01-11 | National Research Development Corporation | Dark field viewing apparatus |
| JPS63255878A (ja) * | 1987-04-10 | 1988-10-24 | Matsushita Electric Ind Co Ltd | 光学ヘツド支持装置 |
| JPS63304475A (ja) * | 1987-06-04 | 1988-12-12 | Matsushita Electric Ind Co Ltd | 光学ヘッド支持装置 |
| JPS6486375A (en) * | 1987-09-28 | 1989-03-31 | Matsushita Electric Ind Co Ltd | Optical head supporting device |
| JPH01109576A (ja) * | 1987-10-22 | 1989-04-26 | Matsushita Electric Ind Co Ltd | 光学ヘッド支持装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB684418A (en) * | 1949-04-21 | 1952-12-17 | Brush Dev | Focused electromechanical transducing device |
-
1977
- 1977-05-17 GB GB2071377A patent/GB1602741A/en not_active Expired
-
1978
- 1978-05-16 JP JP5813878A patent/JPS5417701A/ja active Granted
- 1978-05-17 DE DE19782821573 patent/DE2821573A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2821573A1 (de) | 1978-12-21 |
| JPS6145772B2 (enrdf_load_stackoverflow) | 1986-10-09 |
| DE2821573C2 (enrdf_load_stackoverflow) | 1987-09-17 |
| JPS5417701A (en) | 1979-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Lemons et al. | Acoustic microscope—scanning version | |
| US4459852A (en) | Acoustic microscope using line-focus acoustic beam | |
| CA1058744A (en) | Method of and apparatus for acoustic imaging | |
| JPS59160755A (ja) | 音波顕微鏡 | |
| US4779241A (en) | Acoustic lens arrangement | |
| JPH0421139B2 (enrdf_load_stackoverflow) | ||
| GB1602741A (en) | Acoustic test devices | |
| US4566333A (en) | Focusing ultrasonic transducer element | |
| JPH03113362A (ja) | 円錐状超音波偏向要素 | |
| Smolorz et al. | Focusing PVDF transducers for acoustic microscopy | |
| US4641530A (en) | Acoustic microscope for analyzing an object in depth having aspherical lenses | |
| US4909082A (en) | Acoustic transducer for acoustic microscopy | |
| SU832449A1 (ru) | Сканирующий акустический микроскоп | |
| GB2127657A (en) | Acoustic lens | |
| EP0277785A2 (en) | Acoustic transducer | |
| Nongaillard et al. | A new focusing method for nondestructive evaluation by surface acoustic wave | |
| US4881618A (en) | Acoustic lens for use in acoustic microscope | |
| Kikuchi et al. | Study on IDT for acoustic imaging uses | |
| EP0033751A1 (en) | Ultrasonic transducer using ultra high frequency | |
| Morokov et al. | Lateral resolution of acoustic microscopy in the visualization of interfaces inside solid materials | |
| Chen et al. | Integrated grating acoustic scanner | |
| JPH06281634A (ja) | 超音波探触子 | |
| Nikoonahad | Reflection Acoustic Microscopy for Micro-NDE. | |
| Kessler | Acoustic microscopy-an industrial view | |
| Alvarez-Arenas et al. | Cylindrical and quasi-cylindrical focalization of air-coupled single element and linear array transducers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930512 |