DE9217071U1 - Gekapselter Ultraschall-Sensor - Google Patents
Gekapselter Ultraschall-SensorInfo
- Publication number
- DE9217071U1 DE9217071U1 DE9217071U DE9217071U DE9217071U1 DE 9217071 U1 DE9217071 U1 DE 9217071U1 DE 9217071 U DE9217071 U DE 9217071U DE 9217071 U DE9217071 U DE 9217071U DE 9217071 U1 DE9217071 U1 DE 9217071U1
- Authority
- DE
- Germany
- Prior art keywords
- ultrasonic sensor
- piezoceramic
- film
- layer
- silicone rubber
- 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
- 239000010410 layer Substances 0.000 claims description 23
- 230000006978 adaptation Effects 0.000 claims description 10
- 239000011241 protective layer Substances 0.000 claims description 5
- 238000009472 formulation Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 description 11
- 239000004945 silicone rubber Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 229920001296 polysiloxane Polymers 0.000 description 7
- 239000011888 foil Substances 0.000 description 6
- 238000005538 encapsulation Methods 0.000 description 5
- 239000006260 foam Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 239000004944 Liquid Silicone Rubber Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
- B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
- B06B1/0681—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface and a damping structure
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP92100695 | 1992-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE9217071U1 true DE9217071U1 (de) | 1993-02-11 |
Family
ID=8209249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE9217071U Expired - Lifetime DE9217071U1 (de) | 1992-01-16 | 1992-12-15 | Gekapselter Ultraschall-Sensor |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE9217071U1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994007236A1 (de) * | 1992-09-15 | 1994-03-31 | Endress U. Hauser Gmbh U. Co. | Ultraschallwandler |
| DE102005025137A1 (de) * | 2005-06-01 | 2006-12-07 | Siemens Ag | Piezoelektrische Aktoreinheit mit verbesserter Wärmeableitung sowie Kraftstoffinjektor |
| WO2010072470A2 (de) * | 2008-12-23 | 2010-07-01 | Robert Bosch Gmbh | Ultraschallwandler zum einsatz in einem fluiden medium |
| DE102022200918B3 (de) | 2022-01-27 | 2023-04-27 | Vitesco Technologies Germany Gmbh | Verfahren zum Herstellen eines Ultraschallsensors und Ultraschallsensor |
-
1992
- 1992-12-15 DE DE9217071U patent/DE9217071U1/de not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994007236A1 (de) * | 1992-09-15 | 1994-03-31 | Endress U. Hauser Gmbh U. Co. | Ultraschallwandler |
| US5457352A (en) * | 1992-09-15 | 1995-10-10 | Endress + Hauser Gmbh + Co. | Ultrasonic converter |
| DE102005025137A1 (de) * | 2005-06-01 | 2006-12-07 | Siemens Ag | Piezoelektrische Aktoreinheit mit verbesserter Wärmeableitung sowie Kraftstoffinjektor |
| WO2010072470A2 (de) * | 2008-12-23 | 2010-07-01 | Robert Bosch Gmbh | Ultraschallwandler zum einsatz in einem fluiden medium |
| WO2010072470A3 (de) * | 2008-12-23 | 2011-05-12 | Robert Bosch Gmbh | Ultraschallwandler zum einsatz in einem fluiden medium |
| CN102265332B (zh) * | 2008-12-23 | 2013-08-21 | 罗伯特·博世有限公司 | 用于在流体介质中使用的超声波换能器 |
| US8596139B2 (en) | 2008-12-23 | 2013-12-03 | Robert Bosch Gmbh | Ultrasonic transducer for use in a fluid medium |
| DE102022200918B3 (de) | 2022-01-27 | 2023-04-27 | Vitesco Technologies Germany Gmbh | Verfahren zum Herstellen eines Ultraschallsensors und Ultraschallsensor |
| WO2023143969A1 (de) | 2022-01-27 | 2023-08-03 | Vitesco Technologies Germany Gmbh | Verfahren zum herstellen eines ultraschallsensors und ultraschallsensor |
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