Key points
An advanced communication and aerospace-focused, new low-weight and flexible PCB laminate.
Blueshift, a US-based advanced material technology company, is delighted to announce the launch of PhaseBlue® 1500, the first of its new Series Circuit Materials (SCM) family, at the 2025 European Microwave Show in Utrecht, the Netherlands.
This new-generation PCB laminate is designed with a proprietary nanoporous polyimide aerogel core consisting of 85% air and 15% polyimide. This unique combination gives a distinctive blend of lightweight structure, flexibility and high-frequency performance, addressing the evolving needs of engineers in aerospace, defence, satellite communication and emerging wireless infrastructure.
Produced in the US to strict environmental standards, PhaseBlue 1500 was created without intentionally added per- and polyfluoroalkyl substances (PFAS). This complies with progressively tighter international and European regulations covering sustainable materials, but offers a durable substitute for traditional PTFE-based substrates.
PhaseBlue® caters directly to mounting regulatory pressures throughout the EU and globally, and thus is an attractive choice for organisations seeking future-proof PCB material to be used in high-frequency designs.
PhaseBlue® SCM offers engineers greater dielectric performance:
Compared to conventional perfluorinated laminates, PhaseBlue® does not suffer dielectric degradation across a wide frequency range (1–10 GHz), eliminating the ‘dielectric knee' effect that likes to deteriorate signal integrity at high temperatures.
No less stunning in thermal stability, with glass transition temperature (Tg) of 305 °C and decomposing temperature of 530 °C. This enables ruggedness via soldering, processing, and long-time use, overcoming PTFE-based systems under extreme environments.
One of the defining features of PhaseBlue® is its weight advantage. With a density of just 0.27–0.45 g/cm³, it can be up to 80% lighter than conventional PCB laminates. Provided in dielectric thicknesses ranging from 0.0065 – 0.030″ (165 – 750 µm), the material supports thin, flexible structures perfect for nascent applications such as:
This versatility provides designers with new levels of design freedom, particularly where low weight and minimized form factors are critical to system function.
In addition to its performance benefit, PhaseBlue® has been designed to integrate easily. The material easily integrates with conventional FR-4 PCB manufacturing processes—DES, drilling, and etchback—without the need for special equipment or major capital investment.
This compatibility makes PhaseBlue® an attractive option for engineers seeking superior material advantages without derailing established production lines.
Tim Burbey, President at Blueshift, explains:
“The European Microwave Show is the ideal venue to showcase PhaseBlue® 1500. Engineers today face complex challenges in RF design, balancing performance, weight and regulatory pressures. Our PhaseBlue solution offers a breakthrough: lightweight, thermally robust and easy to integrate into existing PCB manufacturing. With these qualities, engineers can expand design freedom while maintaining signal integrity, reliability and long-term durability.”
He continues:
“PhaseBlue is proven, having already been applied across multi-layer antenna boards, CubeSats, UAV communications and advanced aerospace and defence platforms, with results highlighting reliability under extreme and demanding conditions.”
Blueshift will be exhibiting PhaseBlue® 1500 on Stand A110 at the European Microwave Show, which runs 23–25 September 2025 at the Royal Jaarbeurs, Utrecht, the Netherlands.
For more details, visit: www.blueshiftmaterials.com
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