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  HEPHY logbook for testbeam at SPS October 2012 and Irradiation Mol, Page 4 of 4  Not logged in ELOG logo
New entries since:Thu Jan 1 01:00:00 1970
Entry  Tue Oct 16 11:07:17 2012, Christian Irmler, MicronOrigami_gross, cal, cal006, 83800, 16.10.2012 10:30:34, 16.10.2012 11:00:51, Unknown 

Origami Stack 2a: Origami #4, Wedge new1
reading out all 6 APV of p-side
HV = +-40V, Ibias=5.12µA
 

no beam

no cooling

Entry  Tue Oct 16 22:19:21 2012, Christian Irmler, MicronOrigami_gross, cal, cal007, 83800, 16.10.2012 20:25:17 , 16.10.2012 21:12:01 , Unknown 

Origami Stack 2: Origami #4, #3, Wedge new1, old
HV = +-50V, Ibias=12.3µA
Position: verticallbtween APV 1&2 of 6,  left side of sensor,
wide side of wedge sensors

calibration for run013

Temperatures @ 21:00:

T11: -32 degC
T12: -33 degC
T13: -16 degC (obviously wrong value)
T14: -35 degC
T15: -18 degC
T16: -17 degC
T17: -15 degC
T18: -15 degC

Entry  Wed Oct 17 21:30:39 2012, Markus Friedl, MicronOrigami_gross, cal, cal008, 83800, 17.10.2012 17:15:13, 17.10.2012 18:08:11, Good currents.pngcurrents2.png

Internal calibration for "stealth parasitic" mode Belle stack; taken without beam

 

Belle Stack 4: 2 DSSD -z, Origami #3, #1, wedge new #2
HV = +-50V, Ibias=80A
Position: approx. centered
no beam
 

 

Total bias current history:

currents.png

At the beginning, the system was already running for a few hours and the APV25 chips were initialized before, so thermal equilibrium was reached.

The actual calibration run happened during the first ~250 measurement points (~1 hour). It seems like the APVs draw a bit more current during internal calibration. The overall decay is supposedly due to a temperature decrease towards night.

 

Now tried the same thing with a short software run - same effect:

currents2.png

Need to investigate supply currents while data taking - they should actually go up a bit - and their dependency on the trigger rate.

 

Entry  Sat Oct 20 10:49:03 2012, Markus Friedl, MicronOrigami_gross, cal, cal019, 83800, 20.10.2012 10:46:36, 20.10.2012 11:32:57, Good 

Belle Stack 4: 2 DSSD -z, Origami #3, #1, wedge new #2
HV = +-45V, Ibias=70A
Position: APVs #2, 7, 11, 15 | # 17/18, 21, 25, 29
= p: 2DSSD #2, Origami3 #3, Origami1 #3, wedgenew #3
= n: 2DSSD #1/2, Origami3 #1, Origami1 #1, wedgenew #1

 

no beam at beginning (LINAC problem)

Entry  Sun Oct 21 09:01:04 2012, Markus Friedl, MicronOrigami_gross, cal, cal020, 83800, 21.10.2012 08:59:21, 21.10.2012 09:45:03, Good 

Belle Stack 4: 2 DSSD -z, Origami #3, #1, wedge new #2
HV = +-40V, Ibias=72uA
Position: APVs #2, 7, 11, 15 | # 17/18, 21, 25, 29
= p: 2DSSD #2, Origami3 #3, Origami1 #3, wedgenew #3
= n: 2DSSD #1/2, Origami3 #1, Origami1 #1, wedgenew #1

Entry  Sun Oct 21 09:50:00 2012, Markus Friedl, MicronOrigami_gross, cal, cal021, 83800, 21.10.2012 09:50:07 , 21.10.2012 10:35:40, Good 

Belle Stack 4: 2 DSSD -z, Origami #3, #1, wedge new #2
HV = +-35V, Ibias=69uA
Position: APVs #2, 7, 11, 15 | # 17/18, 21, 25, 29
= p: 2DSSD #2, Origami3 #3, Origami1 #3, wedgenew #3
= n: 2DSSD #1/2, Origami3 #1, Origami1 #1, wedgenew #1

Entry  Sun Oct 21 15:15:45 2012, Markus Friedl, MicronOrigami_gross, cal, cal022, 83800, 21.10.2012 15:13:47, 21.10.2012 16:00:25, Good 

Belle Stack 4: 2 DSSD -z, Origami #3, #1, wedge new #2
HV = +-30V, Ibias=70uA
Position: APVs #2, 7, 11, 15 | # 17/18, 21, 25, 29
= p: 2DSSD #2, Origami3 #3, Origami1 #3, wedgenew #3
= n: 2DSSD #1/2, Origami3 #1, Origami1 #1, wedgenew #1

Entry  Mon Oct 22 00:08:39 2012, Markus Friedl, MicronOrigami_gross, cal, cal023, 83800, 22.10.2012 00:07:34, 22.10.2012 00:53:02, Good 

Belle Stack 4: 2 DSSD -z, Origami #3, #1, wedge new #2
HV = +-25V, Ibias=65uA
Position: APVs #2, 7, 11, 15 | # 17/18, 21, 25, 29
= p: 2DSSD #2, Origami3 #3, Origami1 #3, wedgenew #3
= n: 2DSSD #1/2, Origami3 #1, Origami1 #1, wedgenew #1

Entry  Mon Oct 22 10:10:16 2012, Markus Friedl, MicronOrigami_gross, cal, cal024, 83800, 22.10.2012 10:08:53, 22.10.2012 10:54:18, Good 

Belle Stack 4: 2 DSSD -z, Origami #3, #1, wedge new #2
HV = +-20V, Ibias=53uA
Position: APVs #2, 7, 11, 15 | # 17/18, 21, 25, 29
= p: 2DSSD #2, Origami3 #3, Origami1 #3, wedgenew #3
= n: 2DSSD #1/2, Origami3 #1, Origami1 #1, wedgenew #1

Entry  Tue Oct 23 13:50:44 2012, Markus Friedl, MicronOrigami_gross, cal, cal025, 83800, 23.10.2012 13:47:09 , 23.10.2012 14:35:05, Good 

Belle Stack 4: 2 DSSD -z, Origami #3, #1, wedge new #2
HV = +-15V, Ibias=48uA
Position: APVs #2, 7, 11, 15 | # 17/18, 21, 25, 29
= p: 2DSSD #2, Origami3 #3, Origami1 #3, wedgenew #3
= n: 2DSSD #1/2, Origami3 #1, Origami1 #1, wedgenew #1

Entry  Tue Oct 23 15:55:58 2012, Markus Friedl, MicronOrigami_gross, cal, cal026, 83800, 23.10.2012 14:56:47, 23.10.2012 15:42:17 , Good 

Belle Stack 4: 2 DSSD -z, Origami #3, #1, wedge new #2
HV = +-10V, Ibias=36uA
Position: APVs #2, 7, 11, 15 | # 17/18, 21, 25, 29
= p: 2DSSD #2, Origami3 #3, Origami1 #3, wedgenew #3
= n: 2DSSD #1/2, Origami3 #1, Origami1 #1, wedgenew #1

Entry  Wed Oct 24 08:25:04 2012, Thomas Bergauer, MicronOrigami_gross, cal, cal027, 83800, 24.10.2012 08:22:25, 24.10.2012 09:10:19, Unknown 

 Belle Stack 4: 2 DSSD -z, Origami #3, #1, wedge new #2

HV = +-5V, Ibias=23.5uA
Position: APVs #2, 7, 11, 15 | # 17/18, 21, 25, 29
= p: 2DSSD #2, Origami3 #3, Origami1 #3, wedgenew #3
= n: 2DSSD #1/2, Origami3 #1, Origami1 #1, wedgenew #1
Entry  Wed Oct 24 09:51:41 2012, Thomas Bergauer, MicronOrigami_gross, cal, cal028, 83800, 24.10.2012 09:50:53, 24.10.2012 10:39:43, Unknown 

 Belle Stack 4: 2 DSSD -z, Origami #3, #1, wedge new #2

HV = +-2.5V, Ibias=14.5uA
Position: APVs #2, 7, 11, 15 | # 17/18, 21, 25, 29
= p: 2DSSD #2, Origami3 #3, Origami1 #3, wedgenew #3
= n: 2DSSD #1/2, Origami3 #1, Origami1 #1, wedgenew #1
Entry  Sat Oct 27 00:43:55 2012, Christian Irmler, MicronBaby, cal, cal029, 83800, 27.10.2012 00:10:15, 27.10.2012 00:36:55, Good 

After irradiation

 

Micron baby stack after gamma irrdiation
HV = -100 V
I = -58 uA

Entry  Sat Oct 27 19:36:24 2012, Markus Friedl, MicronOrigami_gross, cal, cal031, 83800, 27.10.2012 19:59:50, 27.10.2012 20:44:38, Good 

Belle stack 2 after irradiation

HV = +50V -50V

I = 112 µA

CO2 cooling

Entry  Sun Oct 28 15:46:07 2012, Markus Friedl, MicronBaby, cal, cal034, 83800, 28.10.2012 15:19:10, 28.10.2012 15:40:47, Good 

Micron Baby stack 2 after irradiation (intermediate strips)
HV = -100 V
I = 33 uA

Entry  Mon Oct 29 11:36:40 2012, Markus Friedl, Infineon, cal, cal037, 83800, 29.10.2012 11:35:12, 29.10.2012 11:58:02 , Good 

Infineon stack Version 2 after irradiation
HV = +300 V
I = 137 A
 

Entry  Mon Oct 29 22:36:52 2012, Markus Friedl, HPK_baby, cal, cal038, 83800, 29.10.2012 22:17:34, 29.10.2012 22:47:47, Good 

HPK baby stack after irradiation with partial cooling (HPK neutron & HPK neutron/gamma)
HV = +75 Vm  -75V
I =  226A
 

 

Temp sensors configuration:

11   HPK Neutron n in

12   HPK Neutron n -> p

13   ----

14   HPK Neutron p -> Gamma p

15   Gamma p -> n

16   Neutron Gamma n out

Entry  Tue Oct 30 10:37:19 2012, Markus Friedl, HPK_baby, cal, cal039, 83800, 30.10.2012 10:35:35 , 30.10.2012 11:02:06 , Good 

Turned off cooling, now taking warm data

 

HPK baby stack after irradiation - no cooling
I =  200A and growing (warming up)
positioned centered on p and n
 

 

Entry  Tue Oct 30 17:24:01 2012, Markus Friedl, MicronOrigami_gross, cal, cal040, 83800, 30.10.2012 17:20:28 , 30.10.2012 17:54:09, Unknown 

Cooling for 2DSSD established after some struggle.

2DSSD fully read out with cooling
HV= +40 V -40 V    I = 2 uA
Beam position: none

 

Positions of thermal sensors:

11   Kapillare Anfang

12   Kapillare Ende

13   ---

14   unmittelbar nach Kapillare

15   Origami in

16   Origami out

17   Origami -z

18   Origami CE

 

Strip order:

n-Seite: rechts (Salev) nach links (Jura)

p-Seite: oben nach unten

 

APV chips with lower noise:

                          -z                                   ce
p-side             #5                                #10 (= pos 4)
n-side             #13 (= pos1)             #19 (= pos 3)

ELOG V3.1.5-fc6679b