BE708087A - - Google Patents
Info
- Publication number
- BE708087A BE708087A BE708087DA BE708087A BE 708087 A BE708087 A BE 708087A BE 708087D A BE708087D A BE 708087DA BE 708087 A BE708087 A BE 708087A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/56—Monolithic crystal filters
- H03H9/562—Monolithic crystal filters comprising a ceramic piezoelectric layer
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6617756A NL6617756A (de) | 1966-12-17 | 1966-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE708087A true BE708087A (de) | 1968-06-17 |
Family
ID=19798475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE708087D BE708087A (de) | 1966-12-17 | 1967-12-15 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3571632A (de) |
| AT (1) | AT280357B (de) |
| BE (1) | BE708087A (de) |
| CH (1) | CH470826A (de) |
| DE (1) | DE1541956B2 (de) |
| DK (1) | DK117004B (de) |
| FR (1) | FR1567113A (de) |
| GB (1) | GB1179300A (de) |
| NL (1) | NL6617756A (de) |
| NO (1) | NO121560B (de) |
| SU (1) | SU361606A3 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3924145A (en) * | 1974-01-02 | 1975-12-02 | Univ Illinois | Surface wave device having a ferroelectric substrate with a sinusoidal pole region |
| US3945099A (en) * | 1975-06-06 | 1976-03-23 | University Of Illinois Foundation | Method and apparatus for making a surface wave transducer device |
| JPS6157108A (ja) * | 1984-08-29 | 1986-03-24 | Fujitsu Ltd | 圧電セラミツク振動子 |
| US5262696A (en) * | 1991-07-05 | 1993-11-16 | Rockwell International Corporation | Biaxial transducer |
| US5315203A (en) * | 1992-04-07 | 1994-05-24 | Mcdonnell Douglas Corporation | Apparatus for passive damping of a structure |
| DE4233256C1 (de) * | 1992-10-02 | 1993-12-02 | Endress Hauser Gmbh Co | Schall- oder Ultraschallwandler |
| JPH09172344A (ja) * | 1995-12-19 | 1997-06-30 | Murata Mfg Co Ltd | 圧電共振子 |
| JP3324971B2 (ja) * | 1997-09-24 | 2002-09-17 | 東洋通信機株式会社 | 低次高調波振動抑圧圧電振動子の製造方法 |
| US6150703A (en) * | 1998-06-29 | 2000-11-21 | Trw Inc. | Lateral mode suppression in semiconductor bulk acoustic resonator (SBAR) devices using tapered electrodes, and electrodes edge damping materials |
| US7053532B2 (en) * | 2003-12-18 | 2006-05-30 | Palo Alto Research Center Incorporated | Radially poled piezoelectric diaphragm structures |
| US7084555B2 (en) * | 2003-12-18 | 2006-08-01 | Palo Alto Research Center Incorporated | Piezoelectric diaphragm structure with outer edge electrode |
| US7176600B2 (en) * | 2003-12-18 | 2007-02-13 | Palo Alto Research Center Incorporated | Poling system for piezoelectric diaphragm structures |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2769867A (en) * | 1947-02-07 | 1956-11-06 | Sonotone Corp | Dielectrostrictive signal and energy transducers |
| US2830274A (en) * | 1954-01-04 | 1958-04-08 | Gen Electric | Electromechanical transducer |
| US2875355A (en) * | 1954-05-24 | 1959-02-24 | Gulton Ind Inc | Ultrasonic zone plate focusing transducer |
| US2943279A (en) * | 1958-11-17 | 1960-06-28 | Oskar E Mattiat | Piezoelectric band pass filter |
| US2953755A (en) * | 1958-11-17 | 1960-09-20 | Oskar E Mattiat | Piezoelectric ceramic filters |
| US3018451A (en) * | 1958-12-04 | 1962-01-23 | Mattiat Oskar | Piezoelectric resonator with oppositely poled ring and spot |
| US2969512A (en) * | 1960-02-17 | 1961-01-24 | Clevite Corp | Piezoelectric ceramic resonators |
-
1966
- 1966-12-17 NL NL6617756A patent/NL6617756A/xx unknown
-
1967
- 1967-11-22 DE DE1967N0031655 patent/DE1541956B2/de active Granted
- 1967-11-30 US US687065A patent/US3571632A/en not_active Expired - Lifetime
- 1967-12-11 SU SU1202277A patent/SU361606A3/ru active
- 1967-12-14 NO NO170982A patent/NO121560B/no unknown
- 1967-12-14 CH CH1751767A patent/CH470826A/de not_active IP Right Cessation
- 1967-12-14 FR FR1567113D patent/FR1567113A/fr not_active Expired
- 1967-12-14 DK DK628367AA patent/DK117004B/da unknown
- 1967-12-14 AT AT1127967A patent/AT280357B/de not_active IP Right Cessation
- 1967-12-14 GB GB56791/67A patent/GB1179300A/en not_active Expired
- 1967-12-15 BE BE708087D patent/BE708087A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6617756A (de) | 1968-06-18 |
| DE1541956B2 (de) | 1977-07-07 |
| US3571632A (en) | 1971-03-23 |
| SU361606A3 (de) | 1972-12-07 |
| DE1541956A1 (de) | 1970-11-26 |
| AT280357B (de) | 1970-04-10 |
| DK117004B (da) | 1970-03-09 |
| NO121560B (de) | 1971-03-15 |
| CH470826A (de) | 1969-03-31 |
| GB1179300A (en) | 1970-01-28 |
| FR1567113A (de) | 1969-05-16 |