PolyK Technologies
-------Specialized in high voltage dielectric, piezoelectric, and smart materials and applications 
  • High voltage dielectric, piezoelectric, and smart materials and devices.
  • High energy density film capacitors with energy density > 3 J/cc (packaged).
  • High temperature film capacitors with operation temperature > 150 deg C (packaged).
  • High voltage dielectric, ferroelectric, piezoelectric test instruments with low cost.
  • Provide test services on high voltage dielectric and ferroelectric materials, including routine high voltage test, dielectric test, and polymer morphology and property test.
  • Provide various dielectric materials and ultrathin dielectric films for R&D: capacitors, printed electronics, flexible electronics, wearable electronics, loudspeaker and microphone membrane, etc.

PolyK Technologies is a high tech company specialized in high voltage dielectric, ferroelectric, smart materials, applications, and related test equipment.


17,000 sf chemical lab, film/ capacitor test facilities, pilot production facilities from thin capacitor films to prototype capacitors.

Film Extrusion and Orientation
Our Expertise

Polymers with high dielectric constant for high energy density film capacitors.

Electroactive, electromechanical polymers with strong response to electric field (EAP actuator).

Ferroelectric polymers that respond to pressure (sensor and energy harvesting) or temperature (pyroelectric and IR sensor).

High-temperature capacitor film and film capacitors for power electronics with wide band gap switches (SiC and GaN).

Design of special high voltage and dielectric test equipment controlled by LabView program.

iCAC (industry Center of Advanced Capacitors): Vertically integrated film capacitor industry: polymer compositions, film production, and prototype capacitor fabrication and test.
We are one of very few teams in the world that can truly bridge the gap between material chemistry and capacitor performance using Integrated Computational Material Engineering modeling.

Capacitor Winding
 Our Capabilities

In-house comprehensive characterization tools of polymer compositions and morphologies (DMA, DSC, FTIR).

High voltage test facilities up to 125 kV.

Dielectric test setup from pF to mF and from -150 deg C to >1,000 deg C.

Capacitor test systems for charge-discharge and lifetime under high voltage and various temperatures enabled by high power fast switches.

Pilot scale capacitor film production from 150 mm wide film to 450 mm film with in-line automatic thickness control and temperature > 450 deg C.

Roll-to-roll film stretching machine with width of 650 mm and temperature of 250 deg C. Specially designed for thin film <10 um.
High power 100W CO2 laser (600 mm x 900 mm stage, computer controlled), lathe, saw, drill, roll-n-shear, welding machine, and other tools for fabricating various test fixtures and tools.

High Voltage Dielectric Test Facilities