Cryogenic System and Capabilities (극저온 장비)

Manufacture : Janis Reserch Company, Inc.

ULTRA LOW TEMPERATURE
	- Helium-3 Systems - Dilution Refrigerators - Adiabatic Demagnetization Refrigerators (ADR system)
CRYOSTATS FOR SPECCTROSOPY AND ELECTRICAL MEASURMENTS
	Cryogen-Free Systems
	- Advanced 4K Closed Cycle Refrigerator Systems - 10K Closed Cycle Refrigerator Systems - Pulse Tube Refrigerators
	Liquid Helium COOLED SYSTEMS
	- Continuous Flow Variable Temperature Cryostats
		The SuperTran series (ST) sample in vacuum (<2K to 800K) The SuperTran-VP Series (STVP) sample in vapor
	- Variable Temperature Reservoir Cryostats
	Liquid NITROGEN COOLED SYSTEMS
	- VPF sample in vacuum cryostat - VNF sample in flowing vapor cryostat
SUPERCONDUCTING MAGNET SYSTEMS
	- He-4 System
		* SuperVariMag System
		* OptiMag System
		* SuperOptiMag System
	- He-3 System
	- Dilution Refrigerator
	- Room Temperature Bore System
	- Special System
		* Microscopy
		* Cryogen Free System
CRYOGENIC & VACUUM MICRO-MANIPULATED PROBE SYSTEMS
	for Chips, Wafers and Device Testing from ~5K to 450K
CUSTOM ENGINEERED CRYOGENIC SYSTEMS
	Detector Cooling Systems AC Suceptometer Coils
ACCESSOREIS AND ANCILLARY EQUIPMENTS
	- Flexible Helium Transfer Lines - Liquid He/LN2 Storage Dewars - Mechanical Pumping Station - High Vacuum Pumping Station

Applications ;

. Spectroscopy	. Crystallography
. Microscopy	. Matrix Isolation
. Transport	. EPR/ESR
. X-ray diffraction	. Magnetic Susceptibility
. Diffraction	. Hall effect
. STM	. Mossbauer
. Diamond Anvil	. Contract R&D

Superconducting Magnet system (초전도 자석)

Manufacture : Janis Reserch Company, Inc.

• SUPERCONDUCTING MAGNET SYSTEMS

Manufacture : Cryomagnetics, Inc.

• Laboratory Superconducting Magnetics
  
  . NbTi Superconducting Solenoid Magnets (9T or less at 4.2K)
  . Nb3Sn Superconducting Magnets (10T or greater at 4.2K)
  . NbTi Superconducting Split-Pair Magnets (8T or less at 4.2K)
  * Cryomagnetics specializes in design and manufacture of custom-design superconducting magnets for he cutoer's applications

• Cryogen-Free Superconductor Magnet Systems

. 4.2K Gifford-McMahon based systems

- 4.2K GM Superconducting magnet systems are available with gimble-mount stands to allow easy vertical or horizontal access to the high field region
- 5 Tesla system with 61mm diameter room temperature bore access
Higher magnetic field and larger bore diamter systems are available.

. 4.2K Pulse Tube Cryocooled Systems

- 4.2K pulse tube cryocooler is available with 0.5watts cooling power at -4.2K and a water-cooled compressor. Larger cooling capacity cryocoolers are in development.

• Nuclear Magnetic Resonance (NMR) System
  

  Actively-shielded and standard NMR systems are available.

  Model	Field	Frequency	Clear Bore	Homogeneity (w/o SC shims)	Homogeneity (with SC shims)
  100 EWB	2.35T	100 MHz	127 mm	10 ppm	0.1 ppm
  200 EWB	4.70T	200 MHz	127 mm	10 ppm	0.1 ppm
  300 MB	7.05T	300 MHz	64 mm	10 ppm	0.1 ppm
  300 VWB	7.05T	300 MHz	102 mm	10 ppm	0.1 ppm
  400 NB	9.39T	400 MHz	52 mm	10 ppm	0.1 ppm
  400 MB	9.39T	400 MHz	64 mm	10 ppm	0.1 ppm
  400 VWB	9.39T	400 MHz	102 mm	10 ppm	0.1 ppm
  500 NB	11.75T	500 MHz	52 mm	10 ppm	0.1 ppm
  500 MB	11.75T	500 MHz	64 mm	10 ppm	0.1 ppm

• Ion-Cyclotron Resonance (ICR)

. 9.5T and 7.0T actively-shielded Superconducting Magnet System for ICR system
. Actively-shielded 12.0 Tesla system are now shipping
. The world's first commercially available liquid cryogen-free superconducting magnet system for ICR system

• Special Superconducting Magnetic System

  . Gyrotron
  . C-Mag, Ultra Cmpact Liquid Cryogen-free Superconducting Magnet Systems
  . High Temperature Supercondcuting Magnet System
  . Minimum Cryogen Volume and Zero Loss system
  
  

Superconducting magnet power supply (초전도 자석 전원장치)

Manufacture : Lake Shore Cryotronics, Inc.

Model 625
* 60 A/5 V, bipolar, true 4-quadrant output
* 0.1 mA output setting resolution
* Linear regulation minimizes noise
* Ripple ≤ 0.007% of maximum current (into a 1 mW load)
* 1 mA per hour stability
* Parallel operation to ±120 A


Manufacture : Cryomagnetics, Inc.

Model CS4-10
* All Model CS4-10V versions are CE-Marked, fully meeting the
requirements for importation into the European Union.
* True Bipolar Operation with smooth sweeps through zero.
* Automated ramp with variable sweep rate settings.
* Flexible computer control via the standard RS-232 interface (IEEE-488.2 available).
* LabVIEW® drivers available at no extra charge.

model number	Current Output	Output Voltage
CS4-10V/60	±60A	± 10 V
CS4-10V/100	±100A	± 10 V
CS4-10V/125	±125A	± 10 V from 0 to 100 A ± 5 V from 101 to 125 A
CS4-10/SHIM	±100A and the capability of setting up to 12 shim coils	±10 Volts

Model MPS Supercondcuting Magnet Power Supply
* Full Color, backlit TFT LCD Display
* True Bipolar operation
* 0.1mA current settability
* USB, Ethernet, IEEE-488 interfaces standard
* Three models available 1) ±100A, ±10V, 2)±200A, ±10V, 3) ±Dual ±100A, ±10V outputs
* SHIM option available
* Intuitive menu system
* Variable ramp rate settings over 5 ranges
* Persistent switch heater
* Fully quench protected
* Sefety interlocks
* LabVIEW drives

Model 625

Model CS4-10

AC Nano Ohm meter

Manufacture : Lake Shore Cryotronics,Inc.

• Model 370 Multi-channel AC Resistance Bridge with Temperature Control
  • Resistance measurement ranges from 2 mΩ to 2 MΩ
  • Twenty-one AC exitation levels from 3.16 pA to 31.6 mA
  • Innovative noise-reduction electronics, including a matched impedance current source and active common mode reduction
  • Current excitation mode, voltage mode, and resistance autorange function
  • Sixteen Channel scanner
  • Closed loop PID temperature control
  • IEEE-488 and RS-232C interfaces, alarms, relays, and analog outputs
  • Resistance, temperature, power, voltage, and current can all be displayed
  • Specifications
    • Measurement type : AC, four-lead differential, resistance
    • Number of inputs : 1 ; 16 with 3716 scanner (370S included)
    • Units : Ohms, Kelvin
    • A/D resolution : 24 bit
    • Voltage ranges : 12 ranges from 2 μV to 632 mV RMS
    • Input Impedance : approaches 5 × 10 ¹² Ω
    • Range selection modes : Manual, Voltage Excitation, Current Excitation, and Autorange
    • Scanner Modes : Manual or Autoscan

Cryogenic Temperature Controllers (온도제어기)

Manufacture : LakeShore Cryotronics Inc.

Model	370	340	332	331S	331E	325
GENERAL
- Sensor Input(s)	1-16*	2-10*	2	2	2	2
- Control loop(s)	1W	100W/1W	50W/1W	50W/1W	50W	2W/2W
- No. of Curves	20	40	20	20	20	15
- Operating Temp.	<20mK-420K	300mK-1505K	1.2K-1505K	1.2K-1505K	1.2K-1505K	1.2K-1505K
- No. of reading display	1 to 8	1 to 8	1 to 4	1 to 4	1 to 4	1 to 4
INTERFACES
- RS-232C	yes	yes	yes	yes	yes	yes
- IEEE-488	yes	yes	yes	yes	.	yes
- Analog output(s)	2@±10V	2@±10V	±10V	±10V	.	0-10V output
- No. of Alarms	32	2	4	4	4
- No. of Relays	2	2	2	2

* with scanner or optional input card

Model 332

Model 325

Temperature Monitors (온도 표시기)

Manufacture : LakeShore Cryotronics, Inc.

Specifications

• Model 211
  • 1 channel
  • range : 1.4K ~ 1000K
  • resolution : 0.001°C from 0°-99.999°, 0.01° from 100°-999.99°, 0.1° above 1000°
• Model 218
  • 8 channel ( eight sensors read twice each second)
  • range : 1.4K ~ 1000K
  • resolution : 0.001°C from 0°-99.999°, 0.01° from 100°-999.99°, 0.1° above 1000°

*Model 211

*Model 218

Temperature sensors (온도 센서류)

Manufacture : LakeShore Cryotronics, Inc.

Sensor Overview
Sensor Type	Temp. Range	Standard Curve	Below 1K	Can be used in radiation	Performance in Magnetic Field
Diode
Silicon	1.4-500K	*	.	.	Fair above 60K
GaAlAs	1.4-500K	.	.	.	Fair
Positive temperature Coefficient
Platinum	14-873K	*	.	*	Fair above 30K
Rhodium-iron	0.65-500K	.	*	*	Fair above 77K
Negative temperature coefficient
Cernox	0.10-325K	.	*	*	Excellent above 1K
Cernox HT	0.30-420K	.	*	*	Excellent above 1K
Germanium	0.05-100K	.	*	*	Not recommended
Ruthenium Oxide	0.05-40K	*	*	*	Good below 1K
Others
Thermocouple	1.2-1543K	*	.	.	Fair
Capacitance	1.4-290K	.	.	.	Excellent

Sensor Packages and Mounting Adapters

Liquid Cryogen / Helium Level Sensors Controller / Monitors

Manufacture : Cryomagnetics, inc.



Model LM-500 Liquid Cryogen Level Monitoring (LHe or LN2) system
	Simultaneous display of LHe and LN2 levels (with 2-channel option)
	Separate control output for each channel
	Flexible computer control via the standard RS-232 interface IEEE-488.2 available)
	LabVIEW drivers a vailable at no extra charge
	Bright vacuum fluorescent disply
	Sample, intuitive user interface
	Sample and hold operation (1 min. to 99 hours settability).
	Manual update or continusous operation
	Sensor de-ice cycle. (LHe only)
	Sensor calibration via front panel menu
	Can drive sensors up to 200cm active
	High and Low setpoint control output




QuickCheck-10 Liquid Helium Level Monitor
Probe	1~76 cm active sensing length
Display type	Large, high contrast LCD digital display
Electronic accuracy	0.1% resolution, 0.5% linearity
Input power	two 9V alkaline batteries (line-powered version available).


Liquid Helium Level Sensors

Model	Outside diameter	Active Sensing Lengths
Model 2D	4.76mm O.D. (3/16")	1 to 43 cm
Model 3D	6.35mm O.D. (1/4")	1 to 109 cm
Model 3DA	6.35mm O.D. (1/4")	1 to 109 cm
Model 4D	9.52mm O.D. (3/8")	110 to 200 cm
Model Flex	9.52mm O.D. (3/8") flexible	Upto 200 cm

Liquid Level Sensor
Standard active lengths are available up to 250 centimeters. Longer lengths and custom sensors are quoted per your specifications.

Model LM-500

Liquid He Level monitor

Liquid Helium Level Sensor

Auto-Fill LN2 System

Manufacture : Cryomagnetics Inc.

• System Configuration
  • Liquid level controller
  • Liquid level sensor : Level length 1 ~ 200cm
  • Vacuum jacketed transfer line
  • Cryogenic liquid control valve
  • Safety pressure relief valve assembly
  • Dewar plug assembly
  • Liquid nitrogen supply, target dewars

Current Source

Manufacture : LakeShore Cryotronics Inc.

Specifications

• 	M/D 100	M/D 101	M/D 102	M/Dl 110CS	M/D 120CS
  output current	1μA~1mA	1μA~1mA	1μA~1mA	1μA~1mA	1μA~100mA
  accuracy at 10μA	0.05% of output	0.05% of output	0.05% of output	0.05% of output	0.05% of output
  Compliance voltage	2.5 volts	5 volts	8 volts	11 volts	11 volts up to 50 mA, 10 volts up to 100 mA
  AC current riple	N/A	N/A	Less than 0.01% of scale + 1 nA (RMS) in a properly shilded system
  Power	4 "AA" batteries	one 9V battery	12 VAC, 3VA	normally power	normally power

LTS/HTS SQUID sensors / system

Manufacture : Tristan Technologies

Specifications

• LTS (Low Temperature SQUID) sensor
  • Input coil inductance : 1.8 μH nominal
  • Noise level : <5×10^-31 J/Hz, <5×10^{-6 Φ0/(Hz)1/2}
  • 1/f knee : below 0.5 Hz
  • Input coil sensitivity : 0.2 μA/^Φ0
  • Temperature range : 0 ~ 7 K

 

• HTS (High Temperature SQUID) sensor
• Noise

  Model	Noise level
  HTM-100	<90 fT/(Hz)1/2
  HTO-100	<10 pT/(Hz)1/2
  HTG-100	<100 fT/cm (Hz)1/2

• 1/f knee : ~10 Hz
• Pick-up Coil dimensions : 8mm × 8mm
• Operating Temperautre : 77K
• Operating Field : 0 > 100m

Cryogenic and Storage Dewar

• Cryogenic Research dewar
• LN2 & LHe Storage dewar
• Custom-made dewar
• Liquid Nitrogen-Shielded LHe dewar
• Vapor-shielded LHe Dewar
  
• Flexible Helium Transfer Lines

  

LT Superconducting wire

• Products : Niobium titanium (NbTi), Niobium Tin (Nb3Sn)

Cryogenic Accessories

Manufacture : LakeShore Cryotronics Inc.

• Products
  • Wires

    Single Strand Cryogenic Wire	SL-32	WSL-32-100	32 AWG, 30.48m (100ft)
    		WSL-32-250	32 AWG, 76.2m (250ft)
    	SL-36	WSL-32-500	36 AWG, 152.4m (500ft)
    Duo-Twist Cryogenic Wire	DT-32	WDT-32-25	32 AWG, 7.62m (25ft)
    		WDT-32-100	32 AWG, 30.48m (100ft)
    		WDT-32-500	32 AWG, 152.4m (500ft)
    	DT-36	WDT-36-25	36 AWG, 7.62m (100ft)
    		WDT-36-100	30.48m (100ft)
    		WDT-36-500	152.4m (500ft)
    Quad-Twist Cryogenic Wire	QT-36	WQT-36-25	36 AWG, 7.62m (25ft)
    		WQT-36-100	36 AWG, 30.48m (100ft)
    		WQT-36-500	36 AWG, 152.4m (500ft)
    Quad-Lead Cryogenic Wire	QL-32	WQL-32-25	32 AWG, 7.62m (25ft)
    		WQL-32-100	32 AWG, 30.48m (100ft)
    		WQL-32-500	32 AWG, 152.4m (500ft)
    	QL-36	WQL-36-25	36 AWG, 7.62m (100ft)
    		WQL-36-100	30.48m (100ft)
    		WQL-36-500	152.4m (500ft)
    Nichrome Heater Wire	NC-32	WNC-32-100	32 AWG, 30.48m (100ft)
    		WNC-32-250	32 AWG, 76.2m (250ft)
    Duo-Twist Cryogenic Wire	CT-34	WCT-34-25	Yellow and blue twisted, 7.62m (25ft)
    		WCT-34-50	Yellow and blue twisted, 15.24m (50ft)
    		WCT-34-100	Yellow and blue twisted, 30.48m (100ft)
    		WCT-34-25	Red and black twisted, 7.62m (25ft)
    		WCT-34-50	Red and black twisted, 15.24m (50ft)
    		WCT-34-100	Red and black twisted, 30.48m (100ft)
    Heavy Duty Lead Wire	HD-30	WHD-30-100	30 AWG, 30.48m (100ft)
    Duo-Twist Cryogenic Wire	DT-32	WDT-32-25	32 AWG, 7.62m (25ft)
    		WDT-32-100	32 AWG, 30.48m (100ft)
    		WDT-32-500	32 AWG, 152.4m (500ft)
    	DT-36	WDT-36-25	36 AWG, 7.62m (100ft)
    		WDT-36-100	30.48m (100ft)
    		WDT-36-500	152.4m (500ft)

    • Coxiable Cable
      • Ultra Miniature Coaxial Cable
      • Semi-Rigid Cozxial Cable - Type SR
      • CryoCable

  Solders  

  • Indium Foil / Solder
  • High Temperature Solder
  • Cadmium-Free Silver Solder
  • Ostalloy 158 Solder

  Insulating and Conducting Materials

  • Low Temperature Conductive Epoxy
  • Stycast® Epoxy 2850-FT, Catalyst 9
  • Apiezon® Grease - Types N and H
  • Cry-Con Thermal Conductive Grease
  • Dow Corning Vacuum Grease
  • IMI-7031 Varnish (formerly GE 7031 Varnish)

  Heat Sinking

  • Superinsulation

  Vacuum Products

  • 19-pin Vacuum Feedthrough & connector
  • 10 pin Vacuum Feedthrough & connector

  Miscellaneous Acc.

  • Four-Lead Resistance Sample Holder
  • Cartridge Heaters