Guidelines for calculation: Focusing bowl (lens)
and hemisphere

 
Please note that the below formulae are only strictly correct under certain boundary conditions

  Axes

 Polarization
Direction

 Applied Field/Voltage Output

  Mode of Vibration or displacement / Applied Stress




 Wall thickness (thk)

 
Radial

 

 Frequency

 Capacitance*

 (Static) Displacement

 (Static) Voltage

 
  

 

N/A

 

N/A

*) equation only valid for hemisphere

Click below for other calculation guidelines

Plate

Rod

Ring

Shear Tube

Tube

Disc

Shear Plate

 
 Ferroperm Piezoceramics A/S
Hejreskovvej 18A
DK-3490 Kvistgård
Tel.: +45 49 12 71 00; Fax: +45 49 13 81 88
e-mail: pz@ferroperm-piezo.com