IT1043414B - Unita a cristallo piezoelettrico - Google Patents
Unita a cristallo piezoelettricoInfo
- Publication number
- IT1043414B IT1043414B IT28342/75A IT2834275A IT1043414B IT 1043414 B IT1043414 B IT 1043414B IT 28342/75 A IT28342/75 A IT 28342/75A IT 2834275 A IT2834275 A IT 2834275A IT 1043414 B IT1043414 B IT 1043414B
- Authority
- IT
- Italy
- Prior art keywords
- crystal unit
- piezoelectric crystal
- piezoelectric
- unit
- crystal
- Prior art date
Links
- 239000013078 crystal Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/56—Monolithic crystal filters
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4560974 | 1974-10-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1043414B true IT1043414B (it) | 1980-02-20 |
Family
ID=10437879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT28342/75A IT1043414B (it) | 1974-10-22 | 1975-10-16 | Unita a cristallo piezoelettrico |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4013982A (it) |
| AU (1) | AU497423B2 (it) |
| FR (1) | FR2289066A1 (it) |
| IT (1) | IT1043414B (it) |
| NL (1) | NL7512259A (it) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842649B2 (ja) * | 1975-12-01 | 1983-09-21 | 東光株式会社 | アツデンロハキ |
| US4218631A (en) * | 1977-06-08 | 1980-08-19 | Kinsekisha Laboratory, Ltd. | Electrode structure for thickness mode piezoelectric vibrating elements |
| US4246554A (en) * | 1978-12-11 | 1981-01-20 | E-Systems, Inc. | Inductorless monolithic crystal filter network |
| JPS5595998A (en) * | 1979-01-15 | 1980-07-21 | Molex Inc | Connector assembly for converter |
| US4329666A (en) * | 1980-08-11 | 1982-05-11 | Motorola, Inc. | Two-pole monolithic crystal filter |
| DE3038260A1 (de) * | 1980-10-10 | 1982-04-29 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Piezoelektrischer resonator mit integrierten kapazitaeten |
| US4433316A (en) * | 1981-08-28 | 1984-02-21 | General Electric Company | Crystal filter and method for fabrication |
| US4584499A (en) * | 1985-04-12 | 1986-04-22 | General Electric Company | Autoresonant piezoelectric transformer signal coupler |
| US5194836A (en) * | 1990-03-26 | 1993-03-16 | Westinghouse Electric Corp. | Thin film, microwave frequency manifolded filter bank |
| US5055734A (en) * | 1990-09-28 | 1991-10-08 | Caterpillar Inc. | Single-piece multiple electrode conductor |
| US5446335A (en) * | 1993-02-19 | 1995-08-29 | Murata Mfg. Co., Ltd. | Piezoresonator with a built-in capacitor and a manufacturing method thereof |
| US5369382A (en) * | 1993-05-24 | 1994-11-29 | Motorola, Inc. | Two-pole monolithic crystal filter including shunt resonator stages |
| 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 |
| KR20190067708A (ko) | 2017-12-07 | 2019-06-17 | 인피니언 테크놀로지스 아게 | 가변 공진기 요소, 필터 회로 및 방법 |
| EP3815229A1 (en) * | 2018-07-01 | 2021-05-05 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Electromagnetic interference suppression components |
| JP2024032324A (ja) * | 2022-08-29 | 2024-03-12 | 株式会社大真空 | モノリシック水晶フィルタ |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2963597A (en) * | 1957-01-02 | 1960-12-06 | Eduard A Gerber | Means for compensating the static capacitance of piezo-electric crystals |
| US3416036A (en) * | 1967-01-13 | 1968-12-10 | Hughes Aircraft Co | Integrated crystal circuits and the method of making thereof |
| US3624431A (en) * | 1968-07-12 | 1971-11-30 | Taiyo Yuden Kk | Composite circuit member including an electrostrictive element and condenser |
| JPS4939319B1 (it) * | 1969-02-14 | 1974-10-24 | ||
| US3633134A (en) * | 1969-10-10 | 1972-01-04 | Motorola Inc | Crystal band pass filter circuit |
| FR2186175A5 (it) * | 1972-05-24 | 1974-01-04 | Thomson Csf |
-
1975
- 1975-09-04 US US05/610,343 patent/US4013982A/en not_active Expired - Lifetime
- 1975-10-10 AU AU85629/75A patent/AU497423B2/en not_active Expired
- 1975-10-16 IT IT28342/75A patent/IT1043414B/it active
- 1975-10-20 NL NL7512259A patent/NL7512259A/xx not_active Application Discontinuation
- 1975-10-20 FR FR7532009A patent/FR2289066A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US4013982A (en) | 1977-03-22 |
| AU497423B2 (en) | 1978-12-14 |
| DE2546453A1 (de) | 1976-05-13 |
| NL7512259A (nl) | 1976-04-26 |
| DE2546453B2 (de) | 1977-02-24 |
| AU8562975A (en) | 1977-04-21 |
| FR2289066A1 (fr) | 1976-05-21 |
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