Overview
The MatMeas OBP Series High Voltage Polarization Instrument is specifically engineered for the efficient poling of piezoelectric ceramics. This precision instrument is suitable for both bulk and thin-film samples. It features a high-precision, low-ripple DC output to effectively align domains in piezoelectric materials. By providing real-time current monitoring and multiple safety protections, it enables researchers to confidently optimize poling processes (temperature, voltage, time) to achieve maximum piezoelectric performance. Its compact, integrated design makes it an ideal tool for laboratory R&D and small-scale production in advanced technical fields.
Specifications
| Parameter | Value |
| Polarization Method | Oil Bath |
| Polarization Channels | 1 |
| Polarization Voltage | 10KV / 30KV (Selectable) |
| Protection Current | 1mA max. per channel |
| Polarization Temperature | RT ~ 180℃ |
| Minimum Detectable Current | ≥100nA |
| Heating Rate Slope | 3℃/min, 6℃/min, 9℃/min |
| Sample Materials | Bulk / Thin Film |
| Safety Feature | Optical sensor interlock for power cut-off |
| Weight | 8kg |
| Warranty | 1 Year |
| Equipment Dimensions (L×W×H) | 345 × 335 × 243 mm (L×W×H) |
| Power Supply | 220V / 50Hz~60Hz, 600W |
| Voltage Accuracy | ±5% |
Applications
- Aerospace & Precision Instruments
FOR high-performance actuators AND sensors in gyroscopes AND adaptive optics. - Precision Machinery&Automation
Poling of piezoelectric stacks AND benders FOR micro-positioning AND ultrasonic devices. - Semiconductor Microelectronics
R&D on piezoelectric thin films FOR MEMS AND energy harvesting. - Biomedical Engineering
Development of piezoelectric materials FOR ultrasound transducers AND energy harvesting devices.
More Details
- Why choose the OBP Series?
Process Optimization：The ability to monitor real-time polarization current is crucial. Observing how the current changes over time under applied voltage and temperature helps researchers identify the ideal poling conditions (saturation point) for new or existing materials, avoiding under-poling or dielectric breakdown. - Versatility: It supports both bulk ceramics and thin films, accommodating a wide range of R&D and production needs.
- Reliability and Safety: Integrated safety features like overcurrent protection, isolated shielding, and safety interlocks protect both the valuable samples and the operator, ensuring a safe and repeatable poling process.
FAQ
Why does blind polarization often result in under-poling or catastrophic dielectric breakdown?
Applying high voltage without monitoring the real-time leakage current forces researchers to guess the optimal poling time, frequently resulting in weak piezoelectric activity (under-poling) or sample destruction (breakdown). The MatMeas OBP Series features an intelligent high-definition LCD that displays real-time microampere polarization currents, allowing researchers to pinpoint the exact saturation point of the material with zero guesswork.How does the OBP Series protect valuable thin-film samples from overcurrent damage?
Standard high-voltage supplies dump massive current spikes into delicate thin films the moment a micro-defect is detected, vaporizing the sample. The OBP Series is engineered with ultra-fast, programmable overcurrent protection (automatically cutting off below 1mA) and isolated shielding technology, ensuring that your valuable R&D samples are perfectly protected during the entire oil-bath poling process.What is the primary purpose of the OBP Series polarization system?
The OBP Series is specifically designed to perform high-voltage polarization (poling) of piezoelectric ceramics. By applying a high DC electric field (up to 10 kV or 30 kV) at controlled temperatures in a silicone oil bath, it effectively aligns the ferroelectric domains to maximize the material's piezoelectric activity (d33).How does the oil bath temperature control benefit the poling process?
The system features integrated oil bath heating up to 180°C with stable PID control. Poling at elevated temperatures lowers the coercive field of the ceramic, allowing domains to align more easily under lower voltages and reducing the risk of dielectric breakdown during high-voltage application.What safety features are integrated into the OBP Series?
Since the system operates at very high voltages (up to 30 kV), safety is paramount. The OBP Series features multiple layers of protection, including overcurrent detection (automatic cut-off under 1 mA), isolation shielding, and a safety interlock system that immediately shuts down high voltage if the chamber door or lid is opened.
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