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Piezoelectric Testing


Specialists in Piezoelectric Testing


Radiant Technologies, Inc. specializes in the measurement of electrical and piezoelectric properties of non-linear materials.   The Piezoelectric Task captures a sample's displacement  as a function of voltage profile along with the sample's polarization response.  An external displacement measurement instrument must be attached to a Radiant Precision Test System to make this measurement.  All of the Radiant testers are equipped with a high-impedance voltage input to capture the output of a displacement sensor.  Every Vision measurement task will collect data from that sensor input simultaneously with the measurement being executed.

Radiant's test systems work easily with displacement sensors which include:

1)   non-contact optical sensors;
2)   laser vibrometers; and
3)   atomic force microscopes
4).  Radiant's piezoelectric bundles


Radiant's D33 Bulk Ceramic Piezoelectric Test Bundles

Radiant's Heated Bulk Ceramic Test Bundle 

Heated Bulk Ceramic D33 Piezoelectric/Pyroelectric Test Bundle 230° -  The bundle includes a Piezoelectric Displacement Sensor, Heated Piezoelectric/Pyroelectric Measurement Test Fixture, and Advanced Piezoelectric Software. The Bulk Piezoelectric/Pyroelectric Test Bundle allows samples to internally be heated to 230C in a self-contained test fixture. The heating unit is built-in to the sample holder, so no additional temperature chamber is necessary. The bundle's simple user interface is controlled by Radiant's fully automated Vision Data Acquisition Software
Bulk Ceramic D33 Piezoelectric Test Bundle -  The Bulk Piezoelectric Test Bundle is a cost effective option for researchers measuring piezoelectric displacements on the order of one micron or larger using Radiant testers.  The high voltage displacement test fixture provides a safe operating environment for testing at high voltages and is rated to 10kV. The fiber optic sensor detects the amplitude of non-coherent light reflected from the sample surface to determine the distance from the sensor wand to the sample surface.

Radiant's Thin Film Piezoelectric Bundle Options


Radiant's Thin Film Piezoelectric Test Bundle accurately determines the e31, d31 and e33 coefficients for piezoelectric thin films with 2% reload uniformity.  The Thin film Piezoelectric Test Bundle measures the piezoelectric coefficients of thin piezoelectric films deposited on cantilevers voltages applied to the piezoelectric film will bend the substrate in various directions.  The displacement is captured by the displacement sensor configured to capture the motion of the cantilever tip.

Radiant offers three versions of the Thin Film Piezoelectric Test Bundle:
1).  With a photonic sensor for 4 Inch/ 72mm cantilevers (4")
2).  With a photonic sensor for 2 Inch/42mm cantilevers (2")
3).  A tower fixture for holding cantilevers under LDVs - works with Laser Dobbler Vibrometers
or Polytec Systems

Thin Film Piezoelectric Test Bundle

Precision Nano Displacement Sensor

Precision Nano Displacement Sensor (PNDS) - Radiant’s Precision Nano Displacement System is a modified Atomic ForceR Microscope designed to capture the large signal piezoelectric butterfly loops of piezoelectric and ferroelectric capacitors. It does so by use of a Light Lever where a fixed laser reflects a beam off of a thin cantilever in contact with the sample surface.
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