GB655994A - Improvements in or relating to piezo-electric crystals - Google Patents
Improvements in or relating to piezo-electric crystalsInfo
- Publication number
- GB655994A GB655994A GB32349/48A GB3234948A GB655994A GB 655994 A GB655994 A GB 655994A GB 32349/48 A GB32349/48 A GB 32349/48A GB 3234948 A GB3234948 A GB 3234948A GB 655994 A GB655994 A GB 655994A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piezo
- electric crystals
- relating
- degrees
- angle
- 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
- 239000013078 crystal Substances 0.000 title abstract 2
- QFJAZXGJBIMYLJ-UHFFFAOYSA-N 2,3-dihydroxybutanedioic acid;ethane-1,2-diamine Chemical compound NCCN.OC(=O)C(O)C(O)C(O)=O QFJAZXGJBIMYLJ-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 elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB283219X | 1948-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB655994A true GB655994A (en) | 1951-08-08 |
Family
ID=10273824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32349/48A Expired GB655994A (en) | 1948-12-14 | 1948-12-14 | Improvements in or relating to piezo-electric crystals |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE492734A (enrdf_load_stackoverflow) |
| CH (1) | CH283219A (enrdf_load_stackoverflow) |
| GB (1) | GB655994A (enrdf_load_stackoverflow) |
-
0
- BE BE492734D patent/BE492734A/xx unknown
-
1948
- 1948-12-14 GB GB32349/48A patent/GB655994A/en not_active Expired
-
1949
- 1949-12-13 CH CH283219D patent/CH283219A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH283219A (de) | 1952-05-31 |
| BE492734A (enrdf_load_stackoverflow) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB539047A (en) | Improvements in piezo-electric thickness-mode crystals | |
| GB655994A (en) | Improvements in or relating to piezo-electric crystals | |
| CA457378A (en) | Fine edged cutting implements and the manufacture thereof | |
| GB656818A (en) | Improvements in or relating to piezoelectric crystal plates | |
| GB632515A (en) | Improvements in piezoelectric crystal elements and apparatus | |
| CA451788A (en) | Piezoelectric transducer | |
| Sato | The Charcater of Block Movement effecting Straight Valley | |
| CA457696A (en) | Elastic polymer and method of producing the same | |
| GB532925A (en) | Piezoelectric elements | |
| CA449707A (en) | Piezoelectric transducer | |
| GB655073A (en) | Piezoelectric crystal bodies | |
| AU2049548A (en) | Improvements in or relating to circuit arrangements for controlling the frequency of valve oscillators | |
| AU145844B2 (en) | COMPLETE SPECIFICATION Improvement in systems for stabilizing -the frequency of oscillators | |
| AU130266B2 (en) | Improvements in or relating tothe mounting of piezoelectric crystals | |
| AU148388B2 (en) | Improvements in or relating to piezoelectric crystal oscillators | |
| AU151279B2 (en) | Improvements in or relating to piezoelectric crystal oscillators | |
| GB686979A (en) | Improvements in or relating to piezo-electric crystal controlled frequency selective apparatus | |
| CA451406A (en) | Scissors or like tool | |
| AU141049B2 (en) | Improvements in and relating to vibration transmitting systems | |
| AU146209B2 (en) | Improvements in or relating tothe production of gallium | |
| FR978743A (fr) | Perfectionnements à la production d'oscillations de micro-ondes de fréquences étalons | |
| AU2777949A (en) | COMPLETE SPECIFICATION Improvement in systems for stabilizing -the frequency of oscillators | |
| AU140925B2 (en) | Upholstery spring edge construction and integers thereof | |
| AU264946A (en) | Improvements in or relating tothe mounting of piezoelectric crystals | |
| CA452195A (en) | Method of producing sheets and the product obtained |