Probe Station & Curve Tracer: Difference between revisions
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System is commonly used for characterizing contacts metals and anneals and contact resistances, diode I-V curves, in addition to other electrical measurements to determine optimal fabrication conditions. |
System is commonly used for characterizing contacts metals and anneals and contact resistances, diode I-V curves, in addition to other electrical measurements to determine optimal fabrication conditions. |
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[[File:Tektronix 370A curve tracer IMG 5890 - PNG.png|alt=Tektronix 370A Curve Tracer|thumb|300x300px|Tektronix 370A Curve Tracer]] |
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[[File:Keithley 2400 SMU.png|alt=Keithley 2400 SMU|thumb|300x300px|Keithley 2400 SMU]] |
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[[File:HP 34401A multimeter.png|alt=HP 34401A multimeter|thumb|300x300px|HP 34401A multimeter]] |
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[[File:HP 3466A DMM.png|alt=HP 3466A DMM|thumb|300x300px|HP 3466A DMM]] |
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[[File:BK Precision 1672 DC supply.png|alt=BK Precision 1672 DC supply|thumb|300x300px|BK Precision 1672 DC Supply (Three Output)]] |
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==Equipment Specifications== |
==Equipment Specifications== |
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Revision as of 20:27, 26 April 2019
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About
The probe station in the cleanroom is set up for up to four-point probing of two terminal and three terminal devices. The probe station is a Signatone station with a 2” diameter vacuum chuck. Four probes are provided. The measurements can taken with various electronic test equipment detailed below, including HP multimeters, a Tektronix Curve-Tracer and a Keithley Source-Meter unit.
The Curve Tracer & Keithley SMU can be controlled by a computer to get portable data. FETs, HBTs, diodes, and contact resistance measurements are typically done on this system. The 370A curve tracer is capable of pulsed and DC operation.
System is commonly used for characterizing contacts metals and anneals and contact resistances, diode I-V curves, in addition to other electrical measurements to determine optimal fabrication conditions.
Equipment Specifications
- 4 probe station, reconfigurable electrical connections
- Probe needles available, users may bring their own and install on the manipulators
- 2-inch conductive stage with vacuum
- Binocular microscope, low-mag (variable), long working distance.
Installed Equipment
- Keithley 2400 Source-Meter unit
- Current/Voltage/Resistance readbacks, along with 4-point-probe measurements.
- Up to 200V, 1.0A
- HP 3466A Digital Multimeter
- HP 34401A Multimeter with 4-point resistivity measurement
- Tektronix 370A computer controlled curve tracer
- Pulsed and DC characterization of 2 and 3 terminal devices
- BK Precision 1672 Triple-Output DC Power Supply
- Windows PC with:
- GPIB Connections to the above electrical testing equipment for automated measurements.
- Labview
- I-V Curve plotting program available (read-only) for Keithley SMU
- Automated program for Tektronix Curve-Tracer
- Python(x,y)
- I-V Curve Plotting script with Keithley 2400
- Matlab
- I-V Curve Plotting script with Keithley 2400
- Nanofiles Sync for getting your measured data from the computer.