DE2852795C2 - - Google Patents
Info
- Publication number
- DE2852795C2 DE2852795C2 DE2852795A DE2852795A DE2852795C2 DE 2852795 C2 DE2852795 C2 DE 2852795C2 DE 2852795 A DE2852795 A DE 2852795A DE 2852795 A DE2852795 A DE 2852795A DE 2852795 C2 DE2852795 C2 DE 2852795C2
- Authority
- DE
- Germany
- Prior art keywords
- ceramic
- electric field
- transducer
- ferroelectric
- voltage
- 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
- 229910010293 ceramic material Inorganic materials 0.000 claims description 21
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 description 63
- 230000005684 electric field Effects 0.000 description 41
- 230000010287 polarization Effects 0.000 description 19
- 230000000694 effects Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 230000001419 dependent effect Effects 0.000 description 6
- 229910000906 Bronze Inorganic materials 0.000 description 3
- 239000010974 bronze Substances 0.000 description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910002112 ferroelectric ceramic material Inorganic materials 0.000 description 1
- 238000010230 functional analysis Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006266 hibernation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
- G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
- H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
- H10N30/2041—Beam type
- H10N30/2042—Cantilevers, i.e. having one fixed end
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52146467A JPS5936439B2 (ja) | 1977-12-06 | 1977-12-06 | 電気・機械変換素子 |
| JP52146468A JPS5936440B2 (ja) | 1977-12-06 | 1977-12-06 | 電気・機械変換素子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2852795A1 DE2852795A1 (de) | 1979-06-07 |
| DE2852795C2 true DE2852795C2 (enrdf_load_stackoverflow) | 1989-06-22 |
Family
ID=26477299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782852795 Granted DE2852795A1 (de) | 1977-12-06 | 1978-12-06 | Elektromechanischer wandler |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA1125343A (enrdf_load_stackoverflow) |
| DE (1) | DE2852795A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2411533A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2012106B (enrdf_load_stackoverflow) |
| NL (1) | NL185640C (enrdf_load_stackoverflow) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3135494A1 (de) * | 1981-09-08 | 1983-03-24 | Robert Bosch Gmbh, 7000 Stuttgart | "kraftstoffeinspritzanlage" |
| DE3240884A1 (de) * | 1982-11-05 | 1984-05-10 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Keramisches bistabiles biegeelement |
| CA1225694A (en) * | 1983-12-09 | 1987-08-18 | Nippon Telegraph And Telephone Corporation | Piezoelectric actuator using bimorph element |
| USRE33691E (en) * | 1984-12-21 | 1991-09-17 | General Electric Company | Piezoelectric ceramic switching devices and systems and method of making the same |
| DE3532660A1 (de) * | 1985-09-13 | 1987-03-26 | Atlas Fahrzeugtechnik Gmbh | Kraftstoffeinspritzventil |
| US4755706A (en) * | 1986-06-19 | 1988-07-05 | General Electric Company | Piezoelectric relays in sealed enclosures |
| JPH02240977A (ja) * | 1989-03-14 | 1990-09-25 | Toshiba Corp | 変位発生装置 |
| JP2538754B2 (ja) * | 1993-09-21 | 1996-10-02 | 山一電機株式会社 | 捩れ振動子 |
| IT1288760B1 (it) * | 1996-10-17 | 1998-09-24 | Fiat Ricerche | Motore elettrostatico lineare |
| DE10017760C1 (de) | 2000-04-10 | 2001-08-16 | Festo Ag & Co | Piezokeramischer Biegewandler sowie Verwendung des piezokeramischen Biegewandlers |
| DE10149840A1 (de) * | 2001-10-10 | 2003-05-08 | Festo Ag & Co | Piezokeramischer Biegewandler sowie Verwendung des piezokeramischen Biegewandlers |
| EP2304758A1 (en) | 2008-06-19 | 2011-04-06 | Nxp B.V. | Piezoelectric bimorph switch |
| RU2513030C2 (ru) * | 2012-04-10 | 2014-04-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный исследовательский университет "МЭИ" (ФГБОУ ВПО "НИУ "МЭИ") | Реверсивный электростатический микродвигатель вращения |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2756353A (en) * | 1950-04-10 | 1956-07-24 | Gen Electric | Bender-mode piezoelectric device and method of making the same |
| GB1145371A (en) * | 1965-02-24 | 1969-03-12 | Clevite Corp | Field responsive devices and materials |
| US4106065A (en) * | 1976-03-19 | 1978-08-08 | Ampex Corporation | Drive circuitry for controlling movable video head |
-
1978
- 1978-12-01 GB GB7846885A patent/GB2012106B/en not_active Expired
- 1978-12-01 CA CA317,192A patent/CA1125343A/en not_active Expired
- 1978-12-05 NL NLAANVRAGE7811863,A patent/NL185640C/xx not_active IP Right Cessation
- 1978-12-06 DE DE19782852795 patent/DE2852795A1/de active Granted
- 1978-12-06 FR FR7834405A patent/FR2411533A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2852795A1 (de) | 1979-06-07 |
| CA1125343A (en) | 1982-06-08 |
| NL7811863A (nl) | 1979-06-08 |
| FR2411533A1 (fr) | 1979-07-06 |
| GB2012106B (en) | 1982-06-23 |
| NL185640B (nl) | 1990-01-02 |
| GB2012106A (en) | 1979-07-18 |
| FR2411533B1 (enrdf_load_stackoverflow) | 1984-07-06 |
| NL185640C (nl) | 1990-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8330 | Complete renunciation |