GB1184872A - Piezoelectric Ceramic Resonator - Google Patents
Piezoelectric Ceramic ResonatorInfo
- Publication number
- GB1184872A GB1184872A GB24484/68A GB2448468A GB1184872A GB 1184872 A GB1184872 A GB 1184872A GB 24484/68 A GB24484/68 A GB 24484/68A GB 2448468 A GB2448468 A GB 2448468A GB 1184872 A GB1184872 A GB 1184872A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resonator
- receptacle
- polarized
- disc
- 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
Links
- 239000000919 ceramic Substances 0.000 title abstract 2
- DMYOHQBLOZMDLP-UHFFFAOYSA-N 1-[2-(2-hydroxy-3-piperidin-1-ylpropoxy)phenyl]-3-phenylpropan-1-one Chemical compound C1CCCCN1CC(O)COC1=CC=CC=C1C(=O)CCC1=CC=CC=C1 DMYOHQBLOZMDLP-UHFFFAOYSA-N 0.000 abstract 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- 229920001079 Thiokol (polymer) Polymers 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 230000007423 decrease Effects 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- 229910052758 niobium Inorganic materials 0.000 abstract 1
- 239000010955 niobium Substances 0.000 abstract 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 abstract 1
- 229920001296 polysiloxane Polymers 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 230000001629 suppression Effects 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
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
- H03H9/176—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of ceramic material
-
- 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
- H03H9/09—Elastic or damping supports
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
1,184,872. Holders for piezo-electric elements. MATSUSHITA ELECTRIC INDUSTRIAL CO. Ltd. 22 May, 1968, No. 24484/68. Heading H1E. A ceramic thickness-shear resonator 10 is housed within a receptacle 14 made of rubber, electrical connectors 15, 16 being pressed against the electrodes of the resonator by the resilience of the receptacle. The receptacle may be made of butyl, silicone or thiokol rubber having a hardness of 10 to 60 on the Shore A scale. It is provided with a slot having a depth greater than the corresponding dimension of the resonator and a width slightly less than the width of the resonator whereby the latter is slightly constrained laterally. This constraint reduces unwanted resonances. An insulating element 17 is inserted between the conductors 15, 16 to prevent mutual contact. The resonator may comprise a polarized disc of PZT with part of the lead replaced by magnesium and niobium and an additive of 1% of MnO 2 . The ratio of diameter to thickness of the disc should lie between 4 and 20 for best suppression of spurious resonances. It is polarized at an angle of between 0 and 60 degrees to the radial plane. The separation between the resonant and antiresonant frequencies decreases as this angle increases.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL686805743A NL149042B (en) | 1968-04-23 | 1968-04-23 | PIEZO-ELECTRIC CERAMIC RESONATOR. |
| GB24484/68A GB1184872A (en) | 1968-04-23 | 1968-05-22 | Piezoelectric Ceramic Resonator |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL686805743A NL149042B (en) | 1968-04-23 | 1968-04-23 | PIEZO-ELECTRIC CERAMIC RESONATOR. |
| GB24484/68A GB1184872A (en) | 1968-04-23 | 1968-05-22 | Piezoelectric Ceramic Resonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1184872A true GB1184872A (en) | 1970-03-18 |
Family
ID=26257141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB24484/68A Expired GB1184872A (en) | 1968-04-23 | 1968-05-22 | Piezoelectric Ceramic Resonator |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB1184872A (en) |
| NL (1) | NL149042B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2138204A (en) * | 1983-04-11 | 1984-10-17 | Toko Inc | Resonator assembly and method for fabricating the same |
-
1968
- 1968-04-23 NL NL686805743A patent/NL149042B/en unknown
- 1968-05-22 GB GB24484/68A patent/GB1184872A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2138204A (en) * | 1983-04-11 | 1984-10-17 | Toko Inc | Resonator assembly and method for fabricating the same |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6805743A (en) | 1969-10-27 |
| NL149042B (en) | 1976-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 746 | Register noted 'licences of right' (sect. 46/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |