SQUID3 Space™ ITO Coated Silver AlphaFEP is a conductive flexible film radiator technology capable of mitigating differential charging and electrostatic discharge (ESD). This product combines the proven thermo-optical performance of Ag/FEP with a transparent Indium Tin Oxide (ITO) conductive coating on the top surface.
Also known as Silver Teflon® or Ag/FEP, SQUID3's Silver AlphaFEP is commonly implemented as a Flexible Optical Solar Reflector (FOSR). From LEO small satellites to mega constellations, Silver AlphaFEP is optimized for bonding on wide-profiled structural panels. On-orbit degradation is well-characterized by NASA, ESA, and JAXA in flight literature. Silver AlphaFEP incorporates FEP film exclusively extruded from Teflon® FEP 100 resin.
The ITO layer provides a dissipative surface that can help reduce charge accumulation on exposed dielectric surfaces when properly bonded to spacecraft electrical ground. This configuration is particularly beneficial for missions operating in charging-prone environments such as polar LEO, Sun-synchronous orbit (SSO), MEO, auroral-crossing trajectories, and other high-radiation plasma environments.
For spacecraft charging mitigation, the ITO layer should be intentionally electrically bonded to spacecraft ground. A floating conductive coating may provide limited charging mitigation benefits depending on the spacecraft electrical architecture.
Applications for SQUID3's ITO Coated Silver AlphaFEP tapes
- Spacecraft Thermal Control
- Second Surface Mirrors
- Electrostatic discharge (ESD) mitigation
- Sensitive avionics and RF payload environments
- Polar-orbiting spacecraft
- High-voltage space systems
In-stock and available to ship immediately:
[IAF1000-P-C] 10-mil ITO Coated Silver AlphaFEP tape with 3M 9703 PSA | 6" x 24 ft
[IAF1000-P-C] 10-mil ITO Coated Silver AlphaFEP tape with 3M 9703 PSA | 7.5" x 24 ft
Materials Quality and Traceability
SQUID3 Space™ Silver AlphaFEP Tape is manufactured under a certified ISO9001:2015 Quality Management System facility. Complete material and manufacturing lot records, which include archive samples of finished product, are maintained by SQUID3. All products are shipped with a Certificate of Analysis.
Disclaimer
Teflon® is a Registered Trademark of The Chemours Company FC, LLC
ITO Coated Silver AlphaFEP Tape
| Solar Absorptance | <14% |
| IR Emittance | 75-85% |
| Thickness | 5 mil, 10 mil |
| Width | 2", 4", custom up to 21" |
| Length | 100 ft ± 5 ft |
| Adhesive Type | 3M 966, 3M 9703 (Electrically Conductive) |
|
ASTM E-595 Compliance |
TML <1.0% and CVCM <0.1% (Low Outgassing) |
| Perforations | 0.03-0.06" diameter holes on 0.5" centers |