Facility for Avalanche Selenium Technologies (FAST)
![](https://you.stonybrook.edu/dril/files/2017/01/pano-1xpup3g-1024x229.jpg)
Facility for Advanced Selenium Technologies
The Facility for Avalanche Selenium Technologies (FAST) has a wide variety of thin-film fabrication and circuit characterization tools specializing in amorphous selenium research for medical imaging applications.
The FAST lab is equipped with a class 10000 cleanroom which houses our deposition equipment, wet processing station, and device characterization tools.
Deposition Equipment
The FAST lab is equipped with a customized MBraun ProVap physical vapor deposition (PVD) tool for evaporation of thin-film amorphous selenium (a-Se) and its alloys.
Capabilities:
![](https://you.stonybrook.edu/dril/files/2017/01/deposition_equipment-w7oat5-300x225.jpg)
Deposition equipment
- The PVD system is equipped with three low-temperature organic, one high-temperature organic, and one open-boat thermal sources.
- A quartz lamp is available inside the vacuum chamber for heating the substrate during deposition.
- Each source has a dedicated power supply to enable co-deposition.
Wet Processing Station
Our LabCrafters fume hood is dedicated for a wide range of chemical processes.
Capabilities:
![](https://you.stonybrook.edu/dril/files/2017/01/wet_processing-sk9n6p-300x225.jpg)
Wet Processing Station
- Organic polymer deposition
- Laurell W-650Mz spin processor
- Programmable Torrey Pines Scientific hot plate
Device Characterization
The clean room can be darkened for device characterization and transient photoconductivity measurements.
We are capable to perform both optical and x-ray time-of-flight (TOF) measurements in both low-field and high-field avalanche regions.
Capabilities:
![](https://you.stonybrook.edu/dril/files/2017/01/device_characterization-1i44vap-225x300.jpg)
Device Characterization
- Tektronix 1GHz oscilloscope
- Tektronix 100 MHz function generator
- 50 ps pulsed laser source
- High-Voltage (5 kV) power supply
- 100 ns pulsed LED source
- 50 ns pulsed 70 kVp x-ray source