CH263126A - Dispositif à cristal piézoélectrique. - Google Patents
Dispositif à cristal piézoélectrique.Info
- Publication number
- CH263126A CH263126A CH263126DA CH263126A CH 263126 A CH263126 A CH 263126A CH 263126D A CH263126D A CH 263126DA CH 263126 A CH263126 A CH 263126A
- Authority
- CH
- Switzerland
- Prior art keywords
- crystal device
- piezoelectric crystal
- piezoelectric
- 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
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02157—Dimensional parameters, e.g. ratio between two dimension parameters, length, width or thickness
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Developing Agents For Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US657886A US2458615A (en) | 1946-03-28 | 1946-03-28 | Piezoelectric crystal apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH263126A true CH263126A (fr) | 1949-08-15 |
Family
ID=24639061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH263126D CH263126A (fr) | 1946-03-28 | 1947-02-03 | Dispositif à cristal piézoélectrique. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2458615A (fr) |
| BE (1) | BE470165A (fr) |
| CH (1) | CH263126A (fr) |
| DE (1) | DE832164C (fr) |
| ES (1) | ES177115A1 (fr) |
| FR (1) | FR938538A (fr) |
| GB (1) | GB631345A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2925502A (en) * | 1956-12-21 | 1960-02-16 | Philips Corp | Piezo-electric quartz crystal of elongated shape |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2309467A (en) * | 1941-07-25 | 1943-01-26 | Bell Telephone Labor Inc | Rochelle salt piezoelectric crystal apparatus |
-
0
- BE BE470165D patent/BE470165A/xx unknown
-
1946
- 1946-03-28 US US657886A patent/US2458615A/en not_active Expired - Lifetime
- 1946-12-19 FR FR938538D patent/FR938538A/fr not_active Expired
-
1947
- 1947-02-03 CH CH263126D patent/CH263126A/fr unknown
- 1947-02-20 ES ES0177115A patent/ES177115A1/es not_active Expired
- 1947-03-14 GB GB7151/47A patent/GB631345A/en not_active Expired
-
1948
- 1948-12-31 DE DEP28897D patent/DE832164C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2458615A (en) | 1949-01-11 |
| DE832164C (de) | 1952-02-21 |
| BE470165A (fr) | |
| GB631345A (en) | 1949-11-01 |
| ES177115A1 (es) | 1947-04-16 |
| FR938538A (fr) | 1948-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH272165A (fr) | Dispositif piézoélectrique. | |
| CH269634A (de) | Schwingkristallanordnung. | |
| FR940632A (fr) | Dispositif à cristal piezo-électrique | |
| FR937520A (fr) | Dispositif à cristal piézoélectrique | |
| CH268039A (fr) | Dispositif à cristal piézo-électrique. | |
| CH252811A (fr) | Dispositif acoustique électrostatique. | |
| FR1042521A (fr) | Dispositif de contact à cristal | |
| FR974510A (fr) | Contact à cristal | |
| FR947465A (fr) | Appareil piezo-électrique | |
| CH263126A (fr) | Dispositif à cristal piézoélectrique. | |
| FR930077A (fr) | Cristaux piézoélectriques | |
| CH256674A (de) | Vorrichtung mit piezoelektrischem Kristall. | |
| CH258971A (fr) | Dispositif à cristal piézoélectrique. | |
| FR939913A (fr) | Appareils à cristaux piezo-électriques | |
| FR939534A (fr) | Contact à cristal | |
| FR971597A (fr) | Dispositif de contact à cristal | |
| FR924113A (fr) | Monture à cristal piézo-électrique | |
| CH269327A (fr) | Dispositif piézoélectrique. | |
| FR937869A (fr) | Systèmes de cristaux piézoélectriques | |
| DK67231C (da) | Piezoelektrisk Krystalelement. | |
| FR939044A (fr) | Montures de cristaux piézo-électriques | |
| FR1002226A (fr) | Dispositif à engrenages | |
| AT181624B (de) | Piezoelektrisches Kristallelement | |
| AT180955B (de) | Piezoelektrisches Kristallelement | |
| FR1043437A (fr) | Dispositif à cristal piézo-électrique |