Cryomagnetics, Inc.

Cryogen-Free Dilution with Optional Superconducting Magnet

Three standard models are available: 100µW, 200µW, and 300µW.
Available standard base temperatures of 10mK / 30mK / 50 mK.
Custom and higher power configurations are available.
Please visit Cryoconcept's website for more information.

Cryoconcept’s cryogen-FREE dilution system incorporates several innovative features that enhance performance and simplify operation.

The FREE system uses proprietary “double-still” technology to accelerate system cooldown. This allows the user to rapidly change samples without having to spend days waiting for cool down and warm up.

To minimize vibrations due to pulse tube cryocooler, there is no mechanical contact between the cooling stages of the pulse tube refrigerator and the dilution stage. Thermal coupling is accomplished through the He3/He4 gas mixture, pumped from the still.

Flexible metal bellows are used between the pulse tube cold head and the 300K flange to minimize vibration. As an option, a remote rotary valve (motor) is used in the cryocooler to provide additional mechanical isolation, to allow electrical isolation of the cold head, and to facilitate service.

The gas handling system includes all pumps, valves, and tubing necessary for operation of the dilution refrigerator system. The pumps and valves are electronically controllable using the programmable controller.

Fully automated control is available via Cryoconcept's Cryograf graphical interface and using a reliable industrial controller with user-friendly touch screen. The control system consists of the following equipment integrated into a cabinet:

A Wago Industrial Controller with touch-screen (remote customer’s lab)

Cryograph Software with runtime Apigraf

Manual or Automatic Operating Modes.

Multi-lingual User Interface (English and French)

Ethernet Interface

Interconnections and cables


Cooldown Time Graph	Dilution Stage of DR-JT-PT-100-15



Cryograf Home Screen	Cryograf Operations Screen

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Highlights of Cryoconcept's Cryogen-Free DR Systems:

Large 110 mm diameter sample space.
300K to 3K cooling using double still circulation - Only ~ 12 hours from 300K to < 100mK, less than 15 hours to 15mK.
Joule-Thomson based dilution process means no separately pumped pot required for condensing.
Optional 1K pot for thermalization of wiring or measurement devices can be provided.
Sample access via twisted pairs, ultra-miniature coax, optical and/or line-of-sight.
Still with gold-plated copper flange and customer-specified experimental hole patterns.
Continuous heat exchanger.
100mK exchanger with gold-plated copper flange and customer-specified experimental hole patterns.
Mixing chamber with gold-plated copper flange and thermal link to the sample position.
Exchangeable connector plates provided on all experimental lines.
Custom design of the sample holder available on request.
Complete thermometry from 4.2K to <10mK.
Optional integrated superconducting magnet.
Simple operation using Cryoconcept’s automatic gas handling system with CryografTM touch-screen control - remotely accessible via Ethernet.

Cryomagnetics also manufactures a line of cryogen-free superconducting magnet systems with integrated variable temperature inserts (C-Mag). The C-Mag product line offers an upgrade path to He3 and dilution inserts.

Download Cryomagnetics' C-Mag Flyer
Download Cryoconcept's Cryogen-Free Dilution Flyer
Download Rapid Cooldown Flyer

Please click on the following links for more information:

Please Contact Cryoconcept at contact@cryoconcept.com
or
Cryomagnetics at sales@cryomagnetics.com

Cryomagnetics offers online ordering for electronic instrumentation:

and cryogenic accessories: