You push
boundaries.
We remove the
I/O limits.

Cri/oFlex® superconducting cables replace conventional wiring inside cryostats, delivering higher channel density, lower thermal load, and proven reliability at scale. Built in Delft for quantum systems that demand more.

Trusted by quantum leaders

Engineering reliability

In-house design, manufacturing, and testing. Every I/O chain verified before shipment.

Join the mission

50+ people. 20+ nationalities. Build the I/O infrastructure that powers
quantum’s next leap.

Built for scale

256 channels per loader.
Superconducting flex with
integrated components.

// SCALE

Build so you
can scale

The numbers behind scaling quantum I/O — from lab to industry. Designed for today’s quantum systems. Engineered for tomorrow’s.

Channels per loader​

0

Pioneers beyond your I/O

0 +

Higher density compared to HD Coax

0 %

Systems deployed worldwide​

0 +

// TECHNOLOGY

Advance your
quantum system.
Not your cabling complexity.

Every channel, every system, every test — engineered to remove
the limits between you and your quantum ambition.

// News & resources

Validated at scale

Independent research and industry recognition backing
our approach to quantum I/O infrastructure.

Press

Delft Circuits Appoints Martin Danoesastro as CEO & Announces New Financing

Press

Delft Circuits Presents its I/O Roadmap

Study

Cri/oFlex® validation for Spin Qubits

Built from the ground up

Design, manufacture and validate every system in-house.

// TEAM

Join our fast growing team

From cleanroom to boardroom, every role here powers the quantum industry forward.

R&D Process Development Engineer

Push the limits of what superconducting cables can achieve.

Logistiek medewerker

Every component in the right place. Every breakthrough on time.

Internship

Learn at Delft Circuits!