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Miniature Piezo Components for Medical Device Manufacturing

 

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Examples of Mini Piezo Ceramic Component Shapes

March 2019, Auburn, MA – In 1880, brothers and colleagues Jacques and Pierre Curie discovered that putting pressure on certain materials created electricity. Taken from the Greek word for “squeeze” (piezein), piezoelectricity was born. Commonly known as the “piezo effect”, it also occurs when an electrical field is applied and changes the dimensions of materials. More than a hundred years later, PI Ceramic (a division of PI Physik Instrumente) is a leader in the field of piezo ceramic components, including its newest line of mini transducers.

Applications

One of the latest applications of miniature piezo tube transducers can be found in scanning fiber / scanning catheter endoscopes (SFE). These miniature endoscopes provide laser-based high resolution video to enable minimally invasive procedures. Miniaturized piezo plates are used to drive pumps for micro-dosing and nano-dosing of drugs. Ultrasonic piezo transducers can be used for bubble detection in dialysis or blood transfusion applications and for atomization of medication (aerosol generation) to name a few.

High Dynamics in a sub-1mm package

Piezo ceramic actuators and transducers achieve high dynamics with frequencies up to Millions of Hertz and excellent reliability. Various shapes and very small dimensions are possible to create precision motion based on crystalline solid-state effects. For example, the new ultra-small piezo tube transducers come in two standard sizes: 0.2/0.5mm ID/OD (inner/outer diameter) with 4mm length, and 0.9/1.5mm ID/OD with 15mm length.

Custom Geometries, Materials, and Electrodes

Custom geometries (length, diameter) and custom materials are available, in addition to the large variety of standard piezo tubes and tubular stack transducers offered by PI. Customers can choose from electrodes applied in thick-film and thin film technology. Other options include multi-segmented electrodes for multi-axis scanning operation and modified response behavior as well as wrap-around contacts for easy integration into a mechanical assembly. Lead-free is also available.

Standard and Custom

PI has in-house engineered solutions with over 4 decades of experience working with customers to provide products that meet application demands, and can quickly modify existing product designs or provide a fully customized OEM part to fit the exact requirements of the application.

 

PI (Physik Instrumente) L.P.
16 Albert Street
Auburn , MA 01501
United States



Map for PI (Physik Instrumente) L.P. in Auburn MA US

PI is a leading manufacturer of precision motion control equipment , piezo motors, air bearing stages and hexapod …
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