TRIUMF ~11/15
をテンプレートにして作成
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開始行:
[[FrontPage]]
*discharge problem [#c2d6e03b]
**11/15 13:00~ [#i10ebe2b]
-increase rapidly ( 100V ~ 5sec)
-1.0kV bias 18uA
-1.6kV bias 29~ 30uA.
-1.7kV bias 31~32uA sometimes 33uA
-2.0kV 37~38uA.
-2.3kV 41-42~ > 40uA
**3rd try [#ud6074df]
-current - dark count correlation
-without source and vacuum gauge
-2500V ( nominal - 200V)
-100Hz when 41uA, larger than 1kHz when more than 43uA current.
-20min during 20 min. dark count rate decrease gradually.
-~100Hz at last
-shut down
**4th try [#n5a5bd8b]
-In order to doing DAQ test
-2500V (nominal - 200V)
-with source
-#26
&ref(./0026.gif);&br;
**5th try [#m61bf2c3]
-without source
-rate ~200Hz
-#27
&br;
&ref(./0027.gif);&br;
***while previous darkcout distribution was [#l809cd0f]
&ref(./0022.gif);&br;
&br;
***discharge problems [#m06d6493]
-occur braking uniformity of efficiency
--dark count does not happen in MCP whole area with same rate.
--There is not particular high count rate position. so that it is not comes from ordinaly discharge such as a shortcircuit or leak current.
**currentmonitor [#mb9f6d4e]
-0uA 2.9mV(avg, 1625V back, front floating)
--1662V 2.915mV (front floating)
--1790V 2.95mV
--1800V 2.93mV
--
** 16th NOv [#xea12917]
-all 0V,-1.922mV
-bias 0V all 300V, -1.316mV
-bias 100V, +0.322mV 2uA
-200V,1.971mV,4uA
-300V 3.581mV 6uA
-400V 5.263mV 7~8uA
-500V 7.002mV 9uA
-600V, 8.549mV 11uA 3min 8.549mV
-700V, 9:09:01 13uA,10.245mV / 9:14:40(5min) 10.250mV /9:18:51(9min) 10.255mV
-800V, 9:21:30 14uA~15uA(fluct) 11.969mV / 14~15uA9:24:30(3min)/12~15uA 11.975mV /9:26:30 14~15uA 11.984mV
-900V,9:29:10 16uA 13.635mV /9:34:11 13.550mV
-1000V,9:35:24 17~18uA 15.201mV/9:38:08 17~18uA 15.227mV 0.02/150 = 1.3e-04mV/s/9:43:50 15.233mV
-1100V,9:45:57 19uA 16.979mV(9:47:21)
-1100V9:50:39 19~20uA 16.993mV
-1200V 9:52:25 21uA 18.715mV /9:55:20 18.736mV /9:58 21uA18.753mV
-1300V 10:00:00 23uA 20.474mV/10:03:30 23uA no flucutuation, 20.513mV
-1400V 10:09:21 24~25uA 22.312mV/10:13:55 24~25uA 22.357mV. jump cannot be seen.
-//12.2,-6.5, -12.0 4.6 7 point,
-1400V, 24~25uA 10:19:30 22.386mV
-1500V, 10:20:37 26uA 24.125mV/10:25:22 26uA stable,24.190mV, 5min -> 0.05uA incerase gradually
-1500V 10:31:20 26uA 24.208mV
-1600V 10:34:04 28uA 26.005mV, smaller than yesterday value./10:39:18 26.070mV
-1600V 10:45:30 28uA no fluctuation
-1700V 10:46:11 30uA 27.922mV/10:56:00 27.985mV
-1800V 10:58:28 32uA stable 29.828mV/ 11:01:23 29.887mV 11:04:11 29.912mV /11:08:03 29.930mV
-1900V 11:10:29 34uA stable 31.801mV /11:19:40 31.900mV
-2000V 11:20:40 36uA stable -> start discharge,
-reduce to 1500V, 27~29uA. same as yesterday discharged result.
-turn off
-after 5min, apply voltage immediatly bias = 2.3kV front +200V
-current monitor ~40.7mV
-43uA.
終了行:
[[FrontPage]]
*discharge problem [#c2d6e03b]
**11/15 13:00~ [#i10ebe2b]
-increase rapidly ( 100V ~ 5sec)
-1.0kV bias 18uA
-1.6kV bias 29~ 30uA.
-1.7kV bias 31~32uA sometimes 33uA
-2.0kV 37~38uA.
-2.3kV 41-42~ > 40uA
**3rd try [#ud6074df]
-current - dark count correlation
-without source and vacuum gauge
-2500V ( nominal - 200V)
-100Hz when 41uA, larger than 1kHz when more than 43uA current.
-20min during 20 min. dark count rate decrease gradually.
-~100Hz at last
-shut down
**4th try [#n5a5bd8b]
-In order to doing DAQ test
-2500V (nominal - 200V)
-with source
-#26
&ref(./0026.gif);&br;
**5th try [#m61bf2c3]
-without source
-rate ~200Hz
-#27
&br;
&ref(./0027.gif);&br;
***while previous darkcout distribution was [#l809cd0f]
&ref(./0022.gif);&br;
&br;
***discharge problems [#m06d6493]
-occur braking uniformity of efficiency
--dark count does not happen in MCP whole area with same rate.
--There is not particular high count rate position. so that it is not comes from ordinaly discharge such as a shortcircuit or leak current.
**currentmonitor [#mb9f6d4e]
-0uA 2.9mV(avg, 1625V back, front floating)
--1662V 2.915mV (front floating)
--1790V 2.95mV
--1800V 2.93mV
--
** 16th NOv [#xea12917]
-all 0V,-1.922mV
-bias 0V all 300V, -1.316mV
-bias 100V, +0.322mV 2uA
-200V,1.971mV,4uA
-300V 3.581mV 6uA
-400V 5.263mV 7~8uA
-500V 7.002mV 9uA
-600V, 8.549mV 11uA 3min 8.549mV
-700V, 9:09:01 13uA,10.245mV / 9:14:40(5min) 10.250mV /9:18:51(9min) 10.255mV
-800V, 9:21:30 14uA~15uA(fluct) 11.969mV / 14~15uA9:24:30(3min)/12~15uA 11.975mV /9:26:30 14~15uA 11.984mV
-900V,9:29:10 16uA 13.635mV /9:34:11 13.550mV
-1000V,9:35:24 17~18uA 15.201mV/9:38:08 17~18uA 15.227mV 0.02/150 = 1.3e-04mV/s/9:43:50 15.233mV
-1100V,9:45:57 19uA 16.979mV(9:47:21)
-1100V9:50:39 19~20uA 16.993mV
-1200V 9:52:25 21uA 18.715mV /9:55:20 18.736mV /9:58 21uA18.753mV
-1300V 10:00:00 23uA 20.474mV/10:03:30 23uA no flucutuation, 20.513mV
-1400V 10:09:21 24~25uA 22.312mV/10:13:55 24~25uA 22.357mV. jump cannot be seen.
-//12.2,-6.5, -12.0 4.6 7 point,
-1400V, 24~25uA 10:19:30 22.386mV
-1500V, 10:20:37 26uA 24.125mV/10:25:22 26uA stable,24.190mV, 5min -> 0.05uA incerase gradually
-1500V 10:31:20 26uA 24.208mV
-1600V 10:34:04 28uA 26.005mV, smaller than yesterday value./10:39:18 26.070mV
-1600V 10:45:30 28uA no fluctuation
-1700V 10:46:11 30uA 27.922mV/10:56:00 27.985mV
-1800V 10:58:28 32uA stable 29.828mV/ 11:01:23 29.887mV 11:04:11 29.912mV /11:08:03 29.930mV
-1900V 11:10:29 34uA stable 31.801mV /11:19:40 31.900mV
-2000V 11:20:40 36uA stable -> start discharge,
-reduce to 1500V, 27~29uA. same as yesterday discharged result.
-turn off
-after 5min, apply voltage immediatly bias = 2.3kV front +200V
-current monitor ~40.7mV
-43uA.
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