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// PRODUCTS

I/O systems built
for your ambition.

Turn-key loaders and probes for large-scale systems.
Compact cabling kits enable straightforward customer
self-installation. Designed, manufactured, assembled,
and tested in-house.

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// PRODUCTS

Two ways to scale

Row of gold HD SMP connector modules on a cryogenic probe next to a multi-channel connector flange.

I/O Systems

Pre-assembled loaders, probes and cabling kits. 8–256 channels per port. Optimized per application, tested in-house.
On-site installation available.
Explore systems
Close-up of gold Cri/oFlex flexible ribbon cables on a dark background.

Flex Foundry Pilot Service

Custom superconducting flex wiring. 1–5 conductive layers, vias, soldering. Based on Flex Foundry design rules. For customers who need a specific flex solution at volume.
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// I/O SYSTEMS

Choose your system

Cryogenic flange loader with Cri/oFlex cabling and connectors.

Ø 108 mm port

Flagship

Effortless upgrading or immediate scale-up. Up to 256 channels HD SMP connectors.
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Cri/oFlex twin-probe assembly with flex cabling connecting a gold module to a multi-channel vacuum flange.

ISO-K63 port

Modular and compact I/O systems to match your connection needs. Up to 96 channels HD SMP connectors.
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Cri/oFlex gold flex ribbon cable with vacuum flange and multi-channel SMP connector loader.

KF40 port

Flexible cabling kits for expansion of non-Line of Sight ports. Up to 64 channels SMP, SMA, HD SMP connectors.
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Gold Cri/oFlex flexible cryogenic cable with connectors.

KF25 port

Compact, plug-and-play cabling kits for non-Line of Sights ports. Up to 16 channels SMP, SMA connectors.
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// BUILDING BLOCKS

Seamless interfacing with your system

Side view of a twin-probe cryogenic I/O flange with gold Cri/oFlex flex cables.

Vacuum Feedthroughs

Hermetic seal.
Leak rate < 1.2 × 10⁻⁹ mbar·L/s. Available for all port sizes.
Gold Cri/oFlex flex cables linking high-density connector blocks on a cryogenic probe.

Thermal Clamps 

Up to 80 channels per clamp. Precision-milled gold-plated copper.
Two Cri/oFlex flex cables joined by gold connector blocks with fixing screws.

Tabbi/® connector

Flex-to-flex. Ultra-high density. Modular configuration.
Cri/oFlex flex cable with HD SMP connector block and mounting bracket.

Flex-to-coax connectors 

HD SMP, HD SMPM (push-on/snap-on, ultra-compact), SMA (robust, up to 18 GHz), SMP (compact, high-density).

COMPATIBLE Cryostat manufacturers

Bluefors logo.
Leiden Cryogenics logo.
Oxford Instruments logo.
kiutra logo.
Maybell Quantum logo.
FormFactor logo.

// LINE CONFIGURATIONS

Choose your line configuration

Gold-plated Cri/oFlex cryogenic cable routed through a dilution refrigerator.

Flux Bias line

For controlling superconducting qubits and tunable couplers
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Cri/oFlex cryogenic cable assembly installed in a dilution refrigerator.

Microwave Drive line

For Feed, Drive, and Pump functions within superconducting architectures
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Gold-plated Cri/oFlex cryogenic cable mounted on a dilution refrigerator stage.

Signal line

Versatile building block for cryogenic and quantum compute
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Gold quantum chip carrier connected to high-density cryogenic flex cabling.

Readout and Pump line

Transfer signals from the quantum device back to the control electronics
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// SERVICE

From design to installation

Delft Circuits team members reviewing data on a monitor at the office in Delft.

Cri/oSuite® System Design

Using our in-house software tool we simulate and optimize I/O design, component positioning, noise temperature and heat budget allocation.
Technician assembling gold-plated Cri/oFlex cryogenic cabling modules in the lab.

Manufacturing & Quality Control 

All flexes manufactured in our cleanroom. Quality control at room temperature and cryogenic temperatures. Every channel characterized before shipping.
Engineer testing a gold-plated cryogenic cable assembly on a dilution refrigerator stage.

Cri/o®Support & Installation

On-site installation and quality checks. Remote and on-site support for upgrades, replacements and troubleshooting.

Product catalogue

Full specifications in our brochure.

Download brochure