1. Status of Hamamatsu Silicon Sensors
Oct 2001
Prepared by K. Hara (U. Tsukuba)

2. Summary of Institution(+HPK) tests

3. Delivery 2063 200~300/month in recent deliveries
Production sensors with modified mask from March
2063

4. Leakage current 350V)

5. defects

6. full depletion voltage
recent
delivery
wafer thickness
full depletion voltage

7. Bias resistance, sampling 2/lot

8. Implant tests: sampling (2/lot)
June 2001

9. Full strip tests: just started…
Measure only detectors with many defects …
All defects identified
These not identified

10. some (?) not identified:
visually not seen as well
No new defects created!
some (?) not identified:
Many HPK defects clustered : problem in HPK prober?

11. 24hr I stability
2063 delivery
1093 delivery
Recent delivery