SCHOTT® low-loss
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Three electronic antennas embedded in SCHOTT® low-loss glass

SCHOTT® low-loss

Setting new standards for high-frequency applications, SCHOTT® low-loss glass is ready for further development as an advanced packaging material. Its low dielectric constant enables efficient broadband antenna solutions, tailored telecommunication, and precise radar applications. With an extremely smooth surface having nanometer-level precision, it ensures unrivaled performance and efficiency at GHz frequencies, paving the way for the next generation of data transmission.

A broadband antenna embedded in circular SCHOTT® low-loss glass

Low dielectric constant for peak performance

With its low dielectric constant of Dk = 4.0, SCHOTT® low-loss guarantees a minimal signal delay and highest energy efficiency, making it ideal for broadband antenna solutions. Performing on par with the best organic high frequency substrates, this material is a perfect fit for 5G/6G communication, high-speed digital circuits, and radiofrequency or microwave systems.

Close up view of a broadband antenna

Unmatched efficiency with low dielectric loss

Featuring an exceptionally low dielectric loss of tan = 0.0021@10GHz, the low-loss glass enhances radio frequency (RF) antenna and component performance. This translates to improved signal transmission, higher energy efficiency and reduced thermal stress, crucial for critical applications in space, high-frequency radars, modern telecommunication systems (5G & 6G), and advanced IoT devices.

Advanced performance for high-frequency applications

SCHOTT® low-loss glass offers exceptional properties for high-frequency applications, enabling - besides others - powerful and precise Antenna in Package (AIP) solutions. Its thermal expansion rate fulfills the exact needs of the semiconductor industry, ensuring seamless integration. The low alkaline content enhances its chemical stability, making SCHOTT® low-loss ideal also in harsh environment. It is also excellent for RF applications above 60GHz. Delivering minimal signal delay and outstanding efficiency, the glass performs reliably in demanding environments.

Various thicknesses available
Various thicknesses available
A wide range of glass thicknesses from 127 µm to 1.0 mm and beyond provides flexibility for a multitude of applications.
Optimized CTE
Optimized CTE
The thermal expansion rate precisely matches that of silicon wafers, ensuring seamless integration with semiconductor components.
Minimal dielectric loss
Minimal dielectric loss
The very low dielectric loss, combined with the smooth surface typical of glass, enables signal transport with minimal damping.
Low dielectric constant
Low dielectric constant
Due to its dielectric constant of 4.0, the energy-efficient glass reduces signal delay, perfect for broadband antenna designs.
Ultra-smooth surface
Ultra-smooth surface
Combined with metallization, the pristine surface of the glass allows the design of RF lines with minimal scattering losses.
Available for R&D
Available for R&D
Still available from a batch process, SCHOTT® low-loss glass advances R&D of key technologies. Wafer sizes available upon request.

We are certified

SCHOTT is both ISO 9001 and 14001 certified. The production of SCHOTT® low-loss is constantly monitored at all stages and all our glass is subjected to stringent quality inspection before shipping. It also complies with EU-RoHS and EU-REACH.

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Want to know more? Let’s talk

Whether you need more information, samples, a quote, or advice for a project, we would be delighted to talk to you.

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