MatMeas SFP Smart Thin Film Corona Polarizer — 1

Overview

The MatMeas SFP Smart Thin Film Corona Polarizer (Model: SFP30KVNEG) represents a generational leap in corona poling technology for piezoelectric and electret thin films. Unlike static or single-wire corona systems, the SFP employs a full-array corona wire layout driven by multi-axis synchronized linear scanning—delivering precise, high-density charge injection across an industry-leading 300 mm × 300 mm active area.

At its core, the SFP is built on the MatEC-IoT Industrial Edge Platform, which provides seamless cross-platform software compatibility, web-based remote monitoring, detailed recipe logging, and real-time data storage. This makes the SFP a natural fit for modern smart labs pursuing Industry 4.0 data traceability. The system operates under fully closed-loop control—monitoring and regulating both grid and corona voltages in real time to eliminate manual intervention and ensure exceptional process repeatability.

A dedicated Intelligent Dynamic Field Compensation algorithm continuously calculates and corrects spatial non-uniformities in the electric field during each scan pass. This proprietary approach resolves the two most common failure modes in large-area corona poling: the edge effect (stronger field at film boundaries) and grid-shading (field shadowing beneath wire supports). The outcome is unmatched uniformity across the full film substrate.

Multi-stage active safety interlocks, rapid arc/spark detection circuitry, and automatic overcurrent shutdown at 1 mA protect both the operator and ultra-thin film specimens from catastrophic dielectric breakdown—meeting the EHS standards demanded by academic and industrial high-voltage laboratories worldwide.

Specifications

Poling MethodNegative Corona Poling
Poling TemperatureRoom Temperature / Ambient
Max Sample Size300 mm × 300 mm (up to A4 size)
Grid Voltage Range0 to −20 kV (negative polarity)
Corona Voltage Range0 to −20 kV (negative polarity)
Voltage Tuning Precision±0.1 kV (closed-loop regulation)
Output Voltage Accuracy±5%
Protection Current Limit1 mA
XY Scanning Speed0 to 10 mm/s
Power SupplyAC 220 V ±10%, 50 / 60 Hz
System Dimensions1525 mm × 1100 mm × 2055 mm (L × W × H)
System WeightApprox. 800 kg
Warranty Period1 Year

Applications

  1. Piezoelectric Polymers & Copolymers (PVDF, PVDF-TrFE)
  2. Electret Air-Filtration Membranes
  3. Flexible Electronics & Smart Skins
  4. Electrostatic Acoustic Transducers
  5. Energy Harvesters & Wearable Devices
  6. Advanced Functional Thin-Film R&D

FAQ

  • How does the SFP achieve uniform charge injection across a 300 mm × 300 mm film?

    The SFP combines two complementary technologies. First, a proprietary array-style corona wire layout distributes discharge points across the full width of the film, eliminating the sparse coverage of single-needle systems. Second, multi-axis synchronized linear scanning motion carries the wire array and grid assembly in a coordinated pattern at micron-level positioning accuracy. Overlying both is the Intelligent Dynamic Field Compensation algorithm, which continuously measures and corrects spatial electric field deviations during every scan pass—neutralizing edge effects and grid-shading artifacts to deliver verified uniformity across the entire substrate.

  • What safety mechanisms protect operators and specimens in a high-voltage corona environment?

    The SFP is equipped with multi-layered, industrial-grade active safety interlocks that physically prevent high-voltage generation during sample loading and unloading. Dedicated arc and spark detection circuitry monitors discharge characteristics in real time; any anomalous event triggers an automatic overcurrent shutdown at the 1 mA protection threshold before dielectric breakdown can propagate. This layered approach meets the EHS requirements of both university and industrial high-voltage laboratories, making the SFP safe for routine, unattended operation.

  • How does the MatEC-IoT platform benefit our laboratory data management workflow?

    The MatEC-IoT Industrial Edge Architecture integrates the SFP into your lab network via standard Ethernet or Wi-Fi. The bundled software interface provides web-based remote monitoring of live process parameters—corona voltage, grid voltage, scanning position, and discharge current—from any browser on your network. Every poling recipe, including voltage ramp profiles, scan speed, and duration, is automatically logged with a timestamp and stored in the on-board database, giving you a complete, traceable process record for each batch of films.

  • Can the SFP process PVDF-TrFE copolymer films for sensor fabrication without thermal annealing?

    Yes. The SFP is specifically designed for room-temperature negative corona poling, making it ideal for thermally sensitive copolymers such as PVDF-TrFE that may partially depolarize or degrade if heated. The combination of dual independent negative polarity power supplies (grid: 0 to −20 kV; corona: 0 to −20 kV) and ±0.1 kV tuning precision gives researchers the fine control needed to optimize charge injection without exceeding the Curie temperature of these materials.

  • What is the throughput advantage over a traditional single-needle static corona setup?

    Traditional single-needle or static corona systems require lengthy dwell times to accumulate sufficient charge across large film areas, often taking 30 minutes or more for a single A4-sized sample. The SFP's array wire layout combined with optimized electric field distribution enables complete, uniform polarization of an A4-sized film in under 10 minutes—a 300% throughput improvement that directly translates into faster iteration cycles in both R&D and pilot production environments.

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