JPH0510879B2 - - Google Patents
Info
- Publication number
- JPH0510879B2 JPH0510879B2 JP6536684A JP6536684A JPH0510879B2 JP H0510879 B2 JPH0510879 B2 JP H0510879B2 JP 6536684 A JP6536684 A JP 6536684A JP 6536684 A JP6536684 A JP 6536684A JP H0510879 B2 JPH0510879 B2 JP H0510879B2
- Authority
- JP
- Japan
- Prior art keywords
- matching layer
- filler
- thermally expandable
- micro hollow
- ultrasonic 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.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 42
- 239000000945 filler Substances 0.000 claims description 24
- 239000002131 composite material Substances 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000003822 epoxy resin Substances 0.000 description 6
- 229920000647 polyepoxide Polymers 0.000 description 6
- 229920002050 silicone resin Polymers 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6536684A JPS60208200A (ja) | 1984-04-02 | 1984-04-02 | 超音波送受波器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6536684A JPS60208200A (ja) | 1984-04-02 | 1984-04-02 | 超音波送受波器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60208200A JPS60208200A (ja) | 1985-10-19 |
| JPH0510879B2 true JPH0510879B2 (en]) | 1993-02-10 |
Family
ID=13284892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6536684A Granted JPS60208200A (ja) | 1984-04-02 | 1984-04-02 | 超音波送受波器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60208200A (en]) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2634161B2 (ja) * | 1986-10-20 | 1997-07-23 | 株式会社 村田製作所 | 空中超音波トランスジユーサの製造方法 |
| JPS63103993A (ja) * | 1986-10-20 | 1988-05-09 | Murata Mfg Co Ltd | 空中超音波トランスジユ−サ |
| US5410205A (en) * | 1993-02-11 | 1995-04-25 | Hewlett-Packard Company | Ultrasonic transducer having two or more resonance frequencies |
| US5460181A (en) * | 1994-10-06 | 1995-10-24 | Hewlett Packard Co. | Ultrasonic transducer for three dimensional imaging |
| US5434827A (en) * | 1993-06-15 | 1995-07-18 | Hewlett-Packard Company | Matching layer for front acoustic impedance matching of clinical ultrasonic tranducers |
| JP4329490B2 (ja) * | 2003-10-27 | 2009-09-09 | 株式会社村田製作所 | 音響整合層 |
| KR101438391B1 (ko) * | 2012-12-14 | 2014-09-05 | 주식회사 힐세리온 | 초음파 프로브 덮개 및 이를 이용한 초음파 프로브 테스트 방법 및 초음파 진단 시스템 |
-
1984
- 1984-04-02 JP JP6536684A patent/JPS60208200A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60208200A (ja) | 1985-10-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |