Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Switchable tunable acoustic resonator using BST material










Image Number 5 for United States Patent #8130058.

An acoustic resonator includes a first electrode, a second electrode, and a barium strontium titanate (BST) dielectric layer disposed between the first electrode and the second electrode, where the acoustic resonator is switched on as a resonator with a resonant frequency if a DC (direct current) bias voltage is applied across the BST dielectric layer. The acoustic resonator is also switched off if no DC bias voltage is applied across the BST dielectric layer. Furthermore, the resonant frequency of the acoustic resonator can be tuned based on a level of the DC bias voltage, with the resonant frequency increasing as the level of the DC bias voltage applied to the BST acoustic resonator increases.








 
 
  Recently Added Patents
Remote controller with graphical user interface
Surround sound virtualization apparatus and method
Catalytic hydrothermal treatment of biomass
Duplex web printer system registration technique
Helmet
Information processing apparatus and play list display method
Container
  Randomly Featured Patents
Hot water dispensing system
Siding installation alignment tool
Method and system for detecting abnormal operation in a hydrocracker
Connector with a terminal locking means
Microreplicated optical module
Liquid crystal display brightness enhancer
Transparent electrically conductive plastic molded articles
Light emitting device driving circuit
Continuous amorphous silicon layer sensors using sealed metal back contact
Methods of using tires and scrap rubber in the manufacture and melting of steel and other metals