MatMeas FCP Thin Film Corona Polarizer — 1

Overview

The MatMeas FCP Thin Film Corona Polarizer is specifically engineered for laboratory research and pilot-scale production of piezoelectric polymer films. Designed to overcome dielectric breakdown and electrode arcing in ultra-thin membranes, the base system delivers 0 to −30 kV / 2 mA negative corona discharge with ±5% voltage accuracy across an expansive 200 mm × 200 mm active poling area. Powered by AC 220–240 V (50 Hz), it features two independent power modules to eliminate mutual interference between corona ionization and triode grid potential regulation.

For thermal poling schedules, the system seamlessly integrates the FCPHT150 High-Temperature Heating Stage (supporting ambient up to 150℃ with PID precision ≤ ±3℃ and multi-rate heating ramps), enabling complete thermal dipole alignment and field-cooling lock-in for beta-phase PVDF. For automated laboratories and Industry 4.0 workflows, the optional FCPOP01 Smart Upgrade Suite equips the platform with remote over-the-air (OTA) firmware updates and programmatic API calls, allowing direct integration into centralized data acquisition and automated testing systems.

Advanced Application Scenario: As a unique competitive advantage, the FCP platform supports the electrodeless polarization of 1-5μm flexible piezoelectric thin films, completely eliminating the risks of pinhole short-circuits and edge flashovers common with traditional contact electrodes.

Specifications

Polarization ModeNegative Corona Poling (Base System: 0 to −30 kV / 2 mA)
Polarization Voltage Range0 to −30 kV (negative polarity)
Maximum Output Current2 mA
Voltage Output Accuracy±5%
Active Poling Area200 mm × 200 mm (supports custom coupons e.g. 50 mm × 50 mm up to 200 mm × 200 mm sheets)
Power Architecture2 built-in independent power modules (corona discharge & grid stabilization)
Compatible Film Thickness5 μm to 200 μm (optimized for ultra-thin 10–50 μm membranes)
Compatible MaterialsPVDF, P(VDF-TrFE), electret films, and flexible ferroelectric polymers
High-Temp Stage (Option: FCPHT150)Ambient to ≤ 150℃ (PID control, precision ≤ ±3℃)
Heating Rate3℃/min, 6℃/min, 9℃/min selectable
Smart Suite (Option: FCPOP01)Remote OTA firmware updates & external API call integration
Electrode MechanismProprietary single-wire non-contact electrode fixture
Power SupplyAC 220–240 V, 50 Hz

Applications

  1. Electrodeless polarization of 1-5μm flexible piezoelectric thin films
  2. Sensors & Actuators
  3. Energy Harvesting & Storage
  4. Acoustic Technology
  5. Aerospace
  6. Medical Devices

FAQ

  • How does the FCP system eliminate physical puncturing and mechanical stress on ultra-thin polymer films?

    Conventional contact poling fixtures rely on rigid mechanical clamps or spring-loaded pins that frequently puncture, scratch, or wrinkle delicate sub-50 μm polymer membranes. The MatMeas FCP resolves this by utilizing non-contact corona discharge. High-voltage air ionization deposits charges uniformly across the upper surface without mechanical pressure, while the precision-machined heated substrate provides flat bottom grounding and uniform thermal contact, maintaining pristine film integrity throughout the process.
  • Why is negative corona poling specifically recommended for PVDF and P(VDF-TrFE) films?

    Negative corona discharge operates through highly stable, self-quenching Trichel pulses, avoiding the localized streamer breakdown and spark-overs common in positive corona discharges. For electronegative fluoropolymers like PVDF and P(VDF-TrFE), negative surface charge deposition produces a more uniform electrostatic potential across the film. The FCP system integrates dual independent power modules (0 to -30 kV corona source and precision grid voltage bias) to precisely clamp surface potential and align C-F dipoles into the polar beta-phase.
  • What sample formats, thicknesses, and sizes can be accommodated on the FCP platform?

    The FCP platform accommodates film thicknesses from 5 μm up to 200 μm (optimized for ultra-thin 10–50 μm membranes). Its 200 mm × 200 mm heated ground stage supports specimen geometries ranging from small diced coupons (e.g., 20 mm × 20 mm, 50 mm × 50 mm) up to 200 mm × 200 mm sheets. For larger industrial substrates up to 300 mm × 300 mm with multi-axis synchronized scanning, researchers can step up to the MatMeas SFP Smart Corona Polarizer.
  • How does the FCP system control temperature during thermal poling and field-cooling schedules?

    Dipole alignment in semicrystalline PVDF requires thermal soaking (typically 80°C to 110°C) to overcome alpha-phase crystalline constraints, followed by cooling under sustained electric fields to lock in beta-phase orientation. Equipped with the optional FCPHT150 high-temperature heating stage, the FCP provides precise PID-controlled heating from ambient up to 150°C (precision ≤ ±3°C) with selectable heating ramps (3°C/min, 6°C/min, 9°C/min), allowing exact execution of standardized thermal poling and field-cooling recipes.
  • Should I choose corona poling or contact oil-bath poling for my custom 50 mm × 50 mm PVDF films?

    The decision depends primarily on your film's metallization state. For bare (un-electroded) PVDF films or ultra-thin coupons (10 to 50 μm), corona poling with the FCP is standard practice because it eliminates edge flashover, tolerates microscopic pinholes through self-limiting charge dissipation, and requires no post-poling solvent washing. Conversely, contact oil-bath poling (e.g., the MatMeas OBP series) is suited for samples already manufactured with double-sided patterned electrodes. Both approaches integrate seamlessly with the MatMeas PMS-1000 for post-poling d33 piezoelectric coefficient verification.
  • Can thin films only 1–5 μm thick deposited on conductive FTO/ITO glass substrates be poled with the FCP?

    Yes. The MatMeas FCP system accommodates ultra-thin piezoelectric films in the 1–5 μm range deposited on conductive FTO/ITO-coated glass. In this through-thickness configuration, the conductive FTO/ITO bottom layer serves as the ground plane, while the negative corona discharge deposits charges across the upper surface. Dedicated sample fixtures can be customized for specific substrate formats (such as 1" × 1" glass coupons) to guarantee continuous grounding and eliminate edge flashover.
  • How does the FCP polarize thin films when no conductive top electrode is deposited?

    Depositing metallic top electrodes on 1–5 μm films creates severe risks of pinhole short-circuits and electric-field edge concentration. The FCP utilizes non-contact corona ionization to deposit an electrostatic charge layer directly onto the bare film surface, serving as a virtual top electrode. If a microscopic pinhole exists, charge dissipates only locally through self-limiting conduction, fundamentally preventing destructive avalanche arcing.
  • Is the FCP platform compatible with flexible substrates for emerging piezoelectric devices?

    Yes. The FCP system accommodates both rigid substrates (e.g., FTO/ITO glass) and flexible polymeric or metallic substrates. Depending on sample thickness, active area, and thermal requirements, customized fixtures ensure planarity and uniform thermal coupling on the heated ground stage up to 150°C.

Technical Guides & Application Notes

Measurement Methods & Metrology Guides

Explore standardized testing procedures, waveform analyses, and physical metrology implemented on this instrument platform.

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