1. „HPGe detector technologies”

2. Laboratory of Nuclear Problems
Experimental Research Department of Nuclear Spectroscopy and Radiochemistry
Supervisors:
Dr. V.G. Sandukovsky
Jan Jurkowski
Dariusz Borowicz
Participants:
Grzegorz Gach (AGH)
Jarosław Mazur (UG)

3. Project aims: Acquaintance with detector fabrication
Performance measurement

4. Kinds of detectors
Coaxial
Planar

5. Detector fabrication Crystal preparation:
Cutting a crystal of a required shape. Making a p–n junction.
Cutting out a protecting ring.
Temperature evaporation Au at the p–n junction side.

6. Detector fabrication Crystal preparation:
Etching and oxidizing for an ohmic contact.
Temperature evaporation of Pd and Au upon a prepared surface.
Final etching and protecting the surface from the environment.

7. Detector fabrication
Mounting detector

8. Performance measurement
Voltage-Capacity characteristic

9. Performance measurement
Counts Integral

10. Performance measurement
Voltage-Current characteristic

11. Applications:
Research
Environment protection
Medicine

12. Special thanks: D. Fursaev W. Chmielowski R. Zawodny
Dr. V.G. Sandukovsky
Jan Jurkowski
Dariusz Borowicz

13. Thank you for attention.
Authors:
Grzegorz Gach
Jarosław Mazur