Presentation is loading. Please wait.

Presentation is loading. Please wait.

Status on the VELO sensors in the vacuum chamber Gwen & Ray 08/14/2007.

Similar presentations


Presentation on theme: "Status on the VELO sensors in the vacuum chamber Gwen & Ray 08/14/2007."— Presentation transcript:

1 Status on the VELO sensors in the vacuum chamber Gwen & Ray 08/14/2007

2 P-type : IV at low Temperature

3 P-type : repeatability measurement Blue, red, black : ~ 1E-5 mbar Green : ~ 1E-3 mbar Temperature from -10°C or -30°C to room temperature Factor 2 over 40 °C

4 P-type : stability measurement Room Temperature : ~ 20 °C Low Pressure : ~ 9e-6 mbar 2 days of data, interval of 10 min between each 10%

5 N-type : stability measurement ~1% Room Temperature : ~ 21.5 °C Low Pressure : <1e-4 mbar from t=20 16h of data, interval of 5 min between each

6 N-type : stability measurement ~3%

7

8 P-type : I vs P


Download ppt "Status on the VELO sensors in the vacuum chamber Gwen & Ray 08/14/2007."

Similar presentations


Ads by Google