- ProductsProductsPI Ceramic offers a large number of standard products and solutions based on piezo technology. This includes piezoceramic components and elements as well as piezoelectric actuators.
- Piezoceramic ComponentsPiezoceramic ComponentsPI Ceramic manufactures a wide range of piezoceramic components in various shapes and sizes according to your needs – also with contacting or in miniature format.
- Piezoceramic ActuatorsPiezoceramic ActuatorsPI Ceramic offers a large number of piezoelectric actuators for applications in industry and research.
- PICMA® Piezo Linear ActuatorsPICMA® Piezo Linear ActuatorsThe compact PICMA® multilayer actuators feature linear deflections with low control voltages and, in the chip version, generate highly dynamic movements.
- PICMA® Piezo Bender ActuatorsPICMA® Piezo Bender ActuatorsMultilayer bending actuators: large displacement and high dynamics. Their bimorph structure ensures bidirectional displacement.
- PICA Piezoelectric Stack ActuatorsPICA Piezoelectric Stack ActuatorsStacked piezo linear actuators with operating voltages to 1000 V: High reliability, large specific displacement and high forces.
- PICA Shear ActuatorsPICA Shear ActuatorsMulti-axis and shear actuators in stacked design offer excellent dynamics combined with minimum electrical power requirements.
- DuraAct Patch TransducersDuraAct Patch TransducersDuraAct patch transducers convert electrical voltage into mechanical energy and vice versa; as actuator, sensor or as energy generator.
- Picoactuator® Piezoelectric CrystalPicoactuator® Piezoelectric CrystalThe motion of the Picoactuator® piezo crystals is highly linear and almost hysteresis-free and consequently suited for high-dynamics applications.
- Tube ActuatorsPiezo Tube ActuatorsRadially and axially contracting piezo tubes are often used for creating dynamic scanning motions and as fiber stretchers.
- PICMA® Piezo Linear Actuators
- Smart Interface: Piezo Components with Flexible Printed Circuit BoardsSmart Interface: Piezo Components with Flexible Printed Circuit BoardsIt is time-consuming and risky to provide piezo components with strands and to contact them on printed circuit boards yourself. PI Ceramic takes on this step for customers and supplies piezoceramic components with flexible printed circuit boards.
- Piezo Controllers & DriversPiezo Controllers & DriversControl electronics plays a key role in the performance of piezoelectric actuators. In addition to universal control electronics, highly suitable for most fields of application, PI offers a wide range of piezo amplifiers geared towards particular purposes.
- For PICMA® Stack/Chip Multilayer ActuatorsDrivers and Controllers for PICMA® Stack/Chip Multilayer ActuatorsAmplifiers with high output current allow dynamic operation of the actuators and precise positioning while requiring low power.
- For PICMA® Bender Multilayer ActuatorsDrivers and Controllers for PICMA® Bender Multilayer ActuatorsPiezo amplifiers for PICMA® Bender Actuators offer fixed and variable output voltages of up to 60 V for differential control.
- For PICA Stack/Power/Thru ActuatorsDrivers and Controllers for PICA Stack/Power/Thru ActuatorsPiezo amplifiers for PICA Actuators offer a voltage range of up to 1100 V, which is available as unipolar or bipolar voltage. Amplifiers with high output current allow dynamic operation of the actuators and precise positioning while requiring low power.
- For PICA Shear ActuatorsDrivers and Controllers for PICA Shear ActuatorsPiezo amplifiers for PICA Shear Actuators offer a bipolar output voltage of ±250 V.
- For DuraAct ActuatorsDrivers and Controllers for DuraAct ActuatorsDuraAct Actuators require different operating voltage ranges, depending on the integrated ceramic.
- For Picoactuator® ActuatorsDrivers and Controllers for Picoactuator® ActuatorsPicoactuator® actuators are operated with a bipolar voltage of ±500 V. The output voltage range of the PICA amplifiers can be set accordingly to suit this purpose. For smaller displacements, it is possible to use amplifiers for PICA Shear actuators of ±250 V.
- For Piezo TubesAmplifiers and Controllers for Piezo TubesPiezo amplifiers for Piezo Tubes are ideal for the control of segmented piezo scanner tubes and can be operated with a bipolar voltage.
- For Energy HarvestingElectronics for Energy HarvestingE-821 uses pulsed or continuous excitation for Energy Generation by means of piezo actuators.
- For PICMA® Stack/Chip Multilayer Actuators
- Piezoceramic MaterialsPiezoceramic MaterialsPI Ceramic offers a variety of different piezoelectric materials including lead-free materials.
- Miniaturized Piezo CeramicsMiniaturized Piezo CeramicsThanks to their compact design, miniaturized piezo components are ideally suited for the generation and detection of vibrations in the smallest of areas.
- DisksMiniaturized Disks
- PlatesMiniaturized Plates
- RingsMiniaturized Rings
- TubesMiniaturized Tubes
- Half and Hollow SpheresMiniaturized Half and Hollow Spheres
- Shear ElementsMiniaturized Shear Elements
- Bending ElementsMiniaturized Bending Elements
- HexagonsMiniaturized Hexagons
- (Shear) ConesMiniaturized (Shear) Cones
- Chip Actuators (PL022.3x)Chip Actuators (PL022.3x)
- Piezoceramic Components
- OEMOEM Solutions for Piezo Ceramics from PI CeramicPI Ceramic offers customized OEM solutions for piezo ceramics at the highest technological level and economically optimized.
- The PI Ceramic Tech CenterThe PI Ceramic Tech CenterFrom small series production to new production technologies: the PI Ceramic Tech Center supports you in the fast qualification of your project-specific samples.
- The PI Ceramic Tech Center
- ApplicationsApplications and Markets for Piezo TechnologyPiezo technology is used in different applications in medical technology, mechanical and automotive engineering or in semiconductor technology.
- Ultrasonic Measurement TechnologyUltrasonic Measurement TechnologyUltrasonic sensors emit high-frequency sound pulses and receive signals reflected from objects. The time the echo signals take to arrive is processed electronically and can be used for a wide range of applications in metrology.
- Noncontact Measurement with Air UltrasoundNoncontact Measurement with Air UltrasoundThe most widely used principle of ultrasonic level measurement is based on the propagation time measurement of air ultrasound pulse.
- Noncontact Flow MeteringNoncontact Flow MeteringThe propagation time metering the so-called Doppler principle are the two fundamental measurement processes in noncontact ultrasonic flow rate measurement.
- Noncontact Measurement with Air Ultrasound
- High-Power UltrasoundHigh-Power UltrasoundPiezoceramics can be used to generate ultrasonic waves in the frequency range of power ultrasound (20 to 800 kHz). They can be used in different diagnostic and therapeutic applications, for example in tartar removal or lithotripsy, but also in ultrasonic technology.
- Industrial Ultrasonic CleaningIndustrial Ultrasonic CleaningUltrasonic cleaning can be used to remove dirt particles in the nanometer range, without damaging sensitive surfaces by a too high pressure.
- Ultrasonic PiezomotorsUltrasonic PiezomotorsAn integral part of the PILine® ultrasonic piezomotors is a piezoceramic actuator that is pretensioned against a movably guided runner via a coupling element.
- Sonar Technology and HydroacousticsSonar Technology and HydroacousticsPiezoceramic components are used in sonar technology and hydroacoustic systems, for measuring and position-finding tasks.
- Industrial Ultrasonic Cleaning
- Acceleration MeasurementAcceleration MeasurementPiezo discs the centerpiece of force/acceleration sensors.
- Scientific InstrumentationScientific InstrumentationPiezo components have become firmly established in modern science as drives and ultrasonic transducers. They work reliably even under extreme conditions such as magnetic fields, cryogenic temperatures or ultrahigh vacuum.
- Mineralogical Analyses in NASA's Mars RoverMineralogical Analyses in NASA's Mars RoverNASA relies on PICMA® Multilayer Actuators from PI Ceramic.
- Cryogenic Applications in the German Electron Synchrotron (DESY)Cryogenic Applications in the German Electron Synchrotron (DESY)Dynamic Compensation of Lorentz Forces at the Accelerator Elements in Cryogenic Environments.
- Scanning Probe MicroscopyScanning Probe MicroscopyScanning probe microscopy benefits from piezo technology: Piezo tube actuators position highly dynamically over a lateral range of up to ±35 µm.
- Mineralogical Analyses in NASA's Mars Rover
- Precision DosingPrecision DosingPiezo elements pump and meter small liquid or gas volumes reliably and precisely in the range of a few hundred milliliters to a few nanoliters. The piezo elements can be adapted to each application environment.
- Metering with Piezo ValvesMetering with Piezo ValvesPiezo valves are highly suitable for dosing tasks: They can switch directly, and can also work against a closing spring.
- Metering with Piezo Valves
- Medical TechnologyMedical TechnologyPiezo components for medical technology and related life science disciplines must be fast, reliable and energy-efficient. In miniaturized form, they enable minimally invasive and highly precise diagnostic as well as therapeutic methods.
- Therapeutic Ultrasound with Piezo ComponentsTherapeutic Ultrasound with Piezo ComponentsTherapeutic ultrasound is used as a core element in applications such as tissue ablation, targeted drug delivery, or lithotripsy.
- Miniaturized Piezo Tubes in SFEMiniaturized Piezo Tubes in High-Resolution Scanning Fiber EndoscopyWith their fast deflection and control, miniaturized piezo tubes generate a scanning movement of the optical fiber in scanning fiber endoscopes (SFE), thus providing more image information and improved minimally invasive procedures in everyday clinical practice.
- Nebulizers with Piezo RingsNebulizers with Piezo RingsSpecially shaped piezo discs act as ultrasonic transducers in nebulizers, generating particularly homogeneous aerosols with high-frequency oscillations.
- Piezo Valves in BiotechnologyPiezo Valves in BiotechnologyPiezo-driven valves enable precise dosing in the nanolitre range, for example for drug screening or researching active agents.
- Piezoelectric MicropumpsPiezoelectric MicropumpsPiezoelectric micropumps are used in laboratory technology, medical technology, biotechnology, chemical analytics and process engineering.
- Piezo Actuators in Medical ImplantsPiezo Actuators in Medical ImplantsSystems implanted in the body such as micropumps for drug dosing or hearing aids are almost invisible and improve the quality of life of patients significantly. They are driven by ultra-compact and energy-efficient miniaturized piezo actuators.
- Therapeutic Ultrasound with Piezo Components
- Energy-Autarkic SystemsEnergy-Autarkic Systems with Piezo ElementsDuraAct patch transducers use kinetic energy for the electrical supply of energy-autarkic systems and can be applied in structural health or condition monitoring.
- Ultrasonic Measurement Technology
- TechnologyPI Ceramic Piezo TechnologyPI Ceramic offers extensive know-how and a wealth of experience in the manufacturing of assembled piezo-ceramic components and sub-systems.
- Fundamentals of Piezo TechnologyFundamentals of Piezo TechnologyPhysical basics and explanations of piezo electricity and electromechanics.
- Properties of Piezo ActuatorsProperties of Piezo ActuatorsCharacteristics of piezoceramic actuators: Displacement modes, forces and stiffnesses, dynamics. Ambient conditions.
- Displacement BehaviorDisplacement BehaviorOn this site you will find information about the displacement behaviour of piezo ceramics.
- Displacement Modes of Piezoelectric ActuatorsDisplacement Modes of Piezoelectric ActuatorsOn this site you will learn more about the different displacement modes of piezo ceramics.
- Temperature DependenceTemperature DependenceThe displacement and dimension of a piezo ceramic is temperature dependant. Learn more about this topic on this site.
- Forces and StiffnessForces and StiffnessForce and stiffness are important properties of piezo actuators. Find out more on this topic here.
- Dynamic OperationDynamic OperationLearn more on the topics of resonant frequency, dynamic forces and response behaviour.
- Electrical Operation of Piezo ActuatorsElectrical Operation of Piezo ActuatorsLearn more on the topics of operating voltage, electrical behaviour and operating modes.
- Ambient ConditionsAmbient ConditionsPiezo actuators are suitable for operation in very different, sometimes extreme ambient conditions. Learn more about this topic on this site.
- Displacement Behavior
- Generating UltrasoundGenerating Ultrasound with Piezo ComponentsPiezo components use the piezoelectric effect to generate and detect ultrasonic waves, e.g. by means of runtime measuring or the principle of the Doppler effect.
- Developing Customized TransducersDeveloping Customized TransducersIn addition to piezo components, PI Ceramic also supplies complete transducers, which are developed together with you according to your application specifications.
- Developing Customized Transducers
- Manufacturing TechnologyManufacturing TechnologyPI Ceramic offers a wide range of manufacturing technologies: Pressing or tape technology, assembling technology and testing procedures.
- PICMA® TechnologyPICMA® TechnologyHighly reliable and extended lifetime through the patented manufacturing process for multilayer actuators.
- DuraAct Patch Transducer TechnologyDuraAct Patch Transducer TechnologyManufacture, functional principle and typical working parameters of DuraAct patch transducers explain the possible force generation and deflection.
- Fundamentals of Piezo Technology
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Soft Piezoelectric Materials
Soft Piezoelectric Materials
Ideal for Piezo Actuators and Sensors
Ferroelectrically soft piezo ceramic materials can be polarized fairly easily even at relatively low field strengths. This is due to the comparably high domain mobility typical for them. The advantages of soft PZT materials are their large piezoelectric charge coefficient, moderate permittivities and high coupling factors.
Important fields of application for soft piezo ceramics are: Actuators for micropositioning and nanopositioning, sensors, such as conventional vibration detectors, ultrasonic transmitters and receivers, e.g., for flow or level measurement, object identification or monitoring, as well as for electro-acoustic applications as sound transducers and microphones, and also as sound pickups on musical instruments.
PIC151 Standard material for actuators of the PICA Stack/Thru and Piezo Tubes series Material Modified lead zirconate titanate Characteristics High permittivity, large coupling factor, high piezoelectric charge coefficient, relatively high Curie temperature Suitable for Actuators, low-power ultrasonic transducers, low-frequency sound transducers Classification in accordance with EN 50324-1 600 MIL-Standard DOD-STD-1376A II PIC255 Standard material for PICA Power, DuraAct, PICA Shear, and Piezo Tubes series Material Modified lead zirconate titanate Characteristics Very high Curie temperature, moderate permittivity, high coupling factor, high charge coefficient, low mechanical quality factor, low temperature coefficient, relatively high polarity reversal field strength (>1 kV/mm) Suitable for Actuator applications for dynamic operating conditions and high ambient temperatures, low-power ultrasonic transducers, nonresonant broadband systems, force and acoustic pickup sensors Classification in accordance with EN 50324-1 200 MIL-Standard DOD-STD-1376A II PIC155
Material Modified lead zirconate titanate Characteristics Very high Curie temperature, moderate permittivity, low mechanical quality factor, low temperature coefficient, high sensitivity (g coefficients) Suitable for Applications which require a high g coefficient (piezoelectric voltage coefficient), e.g., for microphones and vibration pickups with preamplifier, vibration measurements at low frequencies Classification in accordance with EN 50324-1 200 MIL-Standard DOD-STD-1376A II PIC153 Material for special actuators of the PICA Stack/Thru series and for glued bending actuators Material Modified lead zirconate titanate Characteristics Extremely high permittivity and coupling factors, high charge coefficient, Curie temperature around 185 °C Suitable for Hydrophones, transducers in medical diagnostics and PZT translators Classification in accordance with EN 50324-1 600 MIL-Standard DOD-STD-1376A VI PIC152 Material Modified lead zirconate titanate Characteristics Permittivity with extremely low temperature coefficient Suitable for Force and acceleration transducers Classification in accordance with EN 50324-1 200 MIL-Standard DOD-STD-1376A II
Hard Piezoelectric Materials
High-Performance Material for Ultrasonic Transducers
Ferroelectrically hard PZT materials can be subjected to high electrical and mechanical stresses. Their properties hardly change under these conditions.
The advantages of these materials are their moderate permittivity, large piezoelectric coupling factors, high mechanical qualities, and very good stability under high mechanical loads and operating field strengths. Low dielectric losses facilitate their continuous use in resonance mode with only low intrinsic heating of the component.
Especially high-power acoustic applications benefit from the properties of hard piezo materials. Examples of their fields of application include ultrasonic cleaning (typically in the kHz frequency range), the machining of materials (ultrasonic welding, bonding, drilling, etc.), ultrasonic processors (e.g., to disperse liquid media), the medical sector (ultrasonic tartar removal, surgical instruments, etc.) and sonar technology.
Material Properties and Classification
PIC181 Material Modified lead zirconate titanate Characteristics Extremely high mechanical quality factor, good temperature, and time stability of its dielectric and elasticity constants Suitable for High-power acoustic applications, resonance-mode ultrasonic applications Classification in accordance with EN 50324-1 100 MIL-Standard DOD-STD-1376A I PIC184 Material Modified lead zirconate titanate Characteristics Large electromechanical coupling factor, moderately high quality factor, excellent mechanical and electrical stability Suitable for High-power ultrasound applications, hydroacoustics, sonar technology Classification in accordance with EN 50324-1 100 MIL-Standard DOD-STD-1376A I PIC144 Material Modified lead zirconate titanate Characteristics Large electromechanical coupling factor, high quality factor, excellent mechanical and electrical stability, high compressive resistance Suitable for High-power ultrasound applications, hydroacoustics, sonar technology Classification in accordance with EN 50324-1 100 MIL-Standard DOD-STD-1376A I PIC241 Material Modified lead zirconate titanate Characteristics High mechanical quality factor, higher permittivity than PIC181 Suitable for High-power acoustic applications, piezomotor drives Classification in accordance with EN 50324-1 100 MIL-Standard DOD-STD-1376A I PIC300 Material Modified lead zirconate titanate Characteristics Very high Curie temperature Suitable for Use at temperatures up to 250 °C (briefly up to 300 °C) Classification in accordance with EN 50324-1 100 MIL-Standard DOD-STD-1376A I PIC701 Material Modified bismuth sodium titanate Characteristics Max. operation temperature 230 °C, low density, high coupling factor of the thickness oscillation, low permittivity, and piezoelectric coupling factors compared with conventional PZT materials Suitable for Ultrasonic transducers >1 MHz
Modified Barium Lead Titanate
Barium lead titanates are mainly used in sonar technology and in some therapeutic, ultrasonic medical applications because of their Curie temperature of up to 150°C. As one of the first piezo ceramic that could be industrially manufactured, modified barium lead titanate is today only used manly for maintaining old products. PI Ceramic manufacturs modified barium lead titanates on request.
Thermal Properties Using PZT Ceramic PIC255 as Example
Thermal Properties Using PZT Ceramic PIC255 as Example
The thermal strain exhibits different behavior in the polarization direction and perpendicularly to it.
Nonpolarized piezoceramic elements are isotropic. The coefficient of expansion is approximately linear at a temperature coefficient of approx 2 × 10-6 / K.
The preferred orientation of the domains in a polarized PZT body leads to anisotropy, which is the cause of the varying thermal expansion behavior.
The effect of successive temperature changes must be taken into account in the application. Large changes in the curve can occur particularly in the first temperature cycle.
Depending on the material, it is possible that the curves deviate strongly from those illustrated.
Material PI Ceramic Company A Company B Company C Company D Company E Company F Company G Soft-PZT PIC151 Sonox P51 5600 PZT5J-series NCE56 K500 Soft-PZT PIC152 Sonox P502 NCE53 PZ23 Soft-PZT PIC153 855 Sonox P53 5700 PZT5H1, PZT5H2 NCE55 PZ29 K550 Soft-PZT PIC155 Soft-PZT PIC254 Sonox P504 Soft-PZT PIC255 850 Sonox P5 5500 PZT5A-series NCE51, NCE51f PZ27, P188 K350 Hard-PZT PIC144 840 Sonox P4 5400 PZT400 NCE40, NCE41 PZ26, P762 K270 Hard-PZT PIC181 880 Sonox P8, P88 5800 PZT800 series NCE80, NCE81 PZ28, P189 K278 Hard-PZT PIC184 840 Sonox P4 5400 PZT400 series NCE40 PZ26, P762 K270 Hard-PZT PIC300 Sonox P6
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PI Piezoelectric Ceramic ProductsFundamentals, Characteristics and ApplicationsCAT125CAT125Certificate
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