JPH0378039B2 - - Google Patents
Info
- Publication number
- JPH0378039B2 JPH0378039B2 JP1015785A JP1015785A JPH0378039B2 JP H0378039 B2 JPH0378039 B2 JP H0378039B2 JP 1015785 A JP1015785 A JP 1015785A JP 1015785 A JP1015785 A JP 1015785A JP H0378039 B2 JPH0378039 B2 JP H0378039B2
- Authority
- JP
- Japan
- Prior art keywords
- porous polymer
- matching layer
- piezoelectric vibrator
- ultrasonic transducer
- acoustic matching
- 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
- 229920005597 polymer membrane Polymers 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 16
- 239000005001 laminate film Substances 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 10
- 229920006254 polymer film Polymers 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 5
- 238000005191 phase separation Methods 0.000 claims description 3
- 238000010828 elution Methods 0.000 claims description 2
- 229920005672 polyolefin resin Polymers 0.000 claims description 2
- 239000002131 composite material Substances 0.000 description 15
- 230000035945 sensitivity Effects 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 7
- 239000011148 porous material Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 239000002952 polymeric resin Substances 0.000 description 4
- 229920000098 polyolefin Polymers 0.000 description 4
- 229920002050 silicone resin Polymers 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000004005 microsphere Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000011257 shell material Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000002604 ultrasonography Methods 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)
- Piezo-Electric Transducers For Audible Bands (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 |
|---|---|---|---|
| JP1015785A JPS61169100A (ja) | 1985-01-22 | 1985-01-22 | 超音波送受波器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1015785A JPS61169100A (ja) | 1985-01-22 | 1985-01-22 | 超音波送受波器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61169100A JPS61169100A (ja) | 1986-07-30 |
| JPH0378039B2 true JPH0378039B2 (en]) | 1991-12-12 |
Family
ID=11742439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1015785A Granted JPS61169100A (ja) | 1985-01-22 | 1985-01-22 | 超音波送受波器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61169100A (en]) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2225426B (en) * | 1988-09-29 | 1993-05-26 | Michael John Gill | A transducer |
| US6788620B2 (en) | 2002-05-15 | 2004-09-07 | Matsushita Electric Ind Co Ltd | Acoustic matching member, ultrasound transducer, ultrasonic flowmeter and method for manufacturing the same |
| JP4528606B2 (ja) * | 2003-12-09 | 2010-08-18 | 株式会社東芝 | 超音波プローブ及び超音波診断装置 |
| US8030824B2 (en) * | 2005-08-08 | 2011-10-04 | Koninklijke Philips Electronics N.V. | Wide bandwidth matrix transducer with polyethylene third matching layer |
| GB2434369B (en) * | 2006-01-20 | 2010-08-25 | P2I Ltd | Plasma coated electrical or electronic devices |
| JP4983282B2 (ja) * | 2007-02-07 | 2012-07-25 | パナソニック株式会社 | 音響整合部材 |
| JP2012114713A (ja) * | 2010-11-25 | 2012-06-14 | Toshiba Corp | 超音波プローブ |
| JP6952732B2 (ja) * | 2018-09-19 | 2021-10-20 | 株式会社東芝 | 音波デバイス |
-
1985
- 1985-01-22 JP JP1015785A patent/JPS61169100A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61169100A (ja) | 1986-07-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |