GB1465970A - Oscillator - Google Patents
OscillatorInfo
- Publication number
- GB1465970A GB1465970A GB4096574A GB4096574A GB1465970A GB 1465970 A GB1465970 A GB 1465970A GB 4096574 A GB4096574 A GB 4096574A GB 4096574 A GB4096574 A GB 4096574A GB 1465970 A GB1465970 A GB 1465970A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resonator
- electrodes
- supported
- pedestal
- pedestals
- 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
- 230000004048 modification Effects 0.000 abstract 2
- 238000012986 modification Methods 0.000 abstract 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 abstract 1
- 229910002113 barium titanate Inorganic materials 0.000 abstract 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
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
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/10—Mounting in enclosures
- H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
- H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
- H03H9/1021—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device the BAW device being of the cantilever type
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/21—Crystal tuning forks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/21—Crystal tuning forks
- H03H9/215—Crystal tuning forks consisting of quartz
Abstract
1465970 Mounting piezoeiectric resonators DAINI SEIKOSHA KK 19 Sept 1974 40965/74 Heading H1E Pedestals are used to support both a piezoelectric or electrostrictive resonator and its lead pins. As shown, an elongated, laminar resonator 10 is supported upon an insulative pedestal 31 and secured thereto by a layer 32 of adhesive, e.g. raw rubber. Electrodes 15, 26 on both surfaces have cantilever extensions 22, 30 the ends of which are supported upon further pedestals comprising pins 33, 34 insulative pillars 28, 29 and conductive caps 18, 19. The lower electrode 26 may be without extension 30 and the lead pin for this electrode may then extend through the pedestal 31 (see Fig. 3, not shown). In another modification (Fig. 5, not shown), the resonator bears electrodes on its upper surface only. A modification is described (Fig. 6, not shown) in which the cantilever extensions of the electrodes project to either side of the resonator. The resonator may be made of quartz, barium titanate, lithium niobate or lead zirconate and is disclosed as a flexural oscillator of the tuning-fork type having either two or three tines. The drawings show typical electrode patterns for a three-tine fork in which the central tine oscillates in phase opposition to the outer tines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4096574A GB1465970A (en) | 1974-09-19 | 1974-09-19 | Oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4096574A GB1465970A (en) | 1974-09-19 | 1974-09-19 | Oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1465970A true GB1465970A (en) | 1977-03-02 |
Family
ID=10417483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4096574A Expired GB1465970A (en) | 1974-09-19 | 1974-09-19 | Oscillator |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1465970A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7126260B2 (en) * | 2002-09-19 | 2006-10-24 | Nihon Dempa Kogyo Co., Ltd. | Surface mount crystal unit |
-
1974
- 1974-09-19 GB GB4096574A patent/GB1465970A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7126260B2 (en) * | 2002-09-19 | 2006-10-24 | Nihon Dempa Kogyo Co., Ltd. | Surface mount crystal unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |