Janis Research, cryogenics, cryostats

Accessories and Ancillary Equipment

Cryogenic Accessories
A wide range of accessories are available.  Whether you want to adapt a new cryostat to your existing laboratory, upgrade an old cryostat or need accessories for a new experiment, Janis can help.  Click here for information on sample holders and vacuum & thermal grease.

Accessories to upgrade old cryostats for new experiments

Most Janis cryostats are equipped with blank feedthrough ports and removable sample holders.  Should your experimental requirements change, Janis is ready to supply electrical feedthroughs, sample holders and temperature sensors that can easily be installed in the field.  We can also supply new windows to allow access of different regions of the electromagnetic spectrum and even new vacuum shrouds and radiation shields should you need them.

Accessories for day to day running

A full range of thermal anchoring and vacuum greases suitable for use with Janis cryostats is in stock, as are rolls of wire for use in electrical measurements.

Accessories for cryostat maintenance

Heater kits, indium wire and epoxies for use on Janis cryostats are all available and in stock for fast delivery.  All equipment is supplied with full instructions for use, and our experienced staff are on hand for detailed advice on the maintenance of all Janis cryostats.

Accessories for holding larger dewars

Dewar Stand

Designed to fit any model SuperVariTemp, VariTemp, and SSVT Cryostat, the dewar stand provides both support and stability to the system.

dewar stand, Janis Research

Adjustable Position Mounting Flange

Designed to fit our detachable tail dewars
up to 11" in diameter.

adjustable position mounting flange, Janis Research

Sample Holders

Three standard sample holder styles are stocked at Janis for quick delivery, as shown below. In addition, custom designed holders can be fabricated to match almost any special requirements, including LCC and DIP packages.

Drawing of Sample Holders - Janis Research Company, cryostats, cryogenics Photo of Sample Holders (CTI), Janis Research, cryogenics

Special Sample Holders

Special dual inline pin (DIP) socket sample holder. Click on image for larger view. Special dual inline pin (DIP) socket sample holder with customer-supplied chip socket installed. Click on photo for larger view.

Click on the special dual inline pin (DIP) socket sample holders photos above for a larger view.  The photo on the right shows the DIP socket sample holder with a customer-supplied chip socket installed.  DIP socket sample holders are usually used in sample-in-vapor systems, but the sample holder shown was built for installation on a VPF-500 liquid nitrogen pourfill cryostat.

 

Vacuum and Thermal Grease

Janis Research carries three types of grease.

  • GR/APIEZON: Apiezon N low vapor pressure vacuum and thermal anchoring grease (25 g)
  • GR/KRYTOX: Krytox low vapor pressure thermal anchoring grease (2 oz tube)
  • GR/CRYCON: CryCon copper-filled thermal grease (1 oz jar)

Specifications for CryCon grease:

  • Thermal conductivity (W/m∙K): 0.1 @ 4.2 K, 0.03 @ 2 K
  • Suggested maximum temperature: 300˚C

 

Click on photo for larger view of Janis Research Crycon, Apiezon N and Dupont Krytox greases.
CryCon, Apiezon N and Krytox Grease
Janis Research manufactures Crycon Grease - click photo for larger view.
CryCon Grease

 

Table of Contents

Page
Introduction 1
Flexible Helium Transfer Lines 2
Liquid Helium Storage Dewars and Accessories 3
Liquid Nitrogen Storage Dewars 4
Mechanical Pumping Stations 5
High Vacuum Pumping Stations 6
Temperature Controllers 7
LHe & LN2 Level Indicators

8
Cryostat Accessories

9

Parts List (including Epoxies, Greases, Wire, etc.)

10
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JANIS RESEARCH COMPANY, INC.
2 Jewel Drive, P.O. Box 696
Wilmington, MA 01887-0696 USA
TEL: +1-978-657-8750   FAX: +1-978-658-0349
E-Mail: sales@janis.com
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