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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
ID Date Author Project Subject Run Number Eventsup StartTime EndTime Data
  26   Tue Oct 16 11:07:17 2012 Christian IrmlerMicronOrigami_grosscalcal0068380016.10.2012 10:30:3416.10.2012 11:00:51Unknown

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

no beam

no cooling

  29   Tue Oct 16 22:19:21 2012 Christian IrmlerMicronOrigami_grosscalcal0078380016.10.2012 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

  35   Wed Oct 17 21:30:39 2012 Markus FriedlMicronOrigami_grosscalcal0088380017.10.2012 17:15:1317.10.2012 18:08:11Good

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.

 

  40   Sat Oct 20 10:49:03 2012 Markus FriedlMicronOrigami_grosscalcal0198380020.10.2012 10:46:3620.10.2012 11:32:57Good

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)

  43   Sun Oct 21 09:01:04 2012 Markus FriedlMicronOrigami_grosscalcal0208380021.10.2012 08:59:2121.10.2012 09:45:03Good

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

  44   Sun Oct 21 09:50:00 2012 Markus FriedlMicronOrigami_grosscalcal0218380021.10.2012 09:50:07 21.10.2012 10:35:40Good

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

  46   Sun Oct 21 15:15:45 2012 Markus FriedlMicronOrigami_grosscalcal0228380021.10.2012 15:13:4721.10.2012 16:00:25Good

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

  48   Mon Oct 22 00:08:39 2012 Markus FriedlMicronOrigami_grosscalcal0238380022.10.2012 00:07:3422.10.2012 00:53:02Good

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

  50   Mon Oct 22 10:10:16 2012 Markus FriedlMicronOrigami_grosscalcal0248380022.10.2012 10:08:5322.10.2012 10:54:18Good

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

  53   Tue Oct 23 13:50:44 2012 Markus FriedlMicronOrigami_grosscalcal0258380023.10.2012 13:47:09 23.10.2012 14:35:05Good

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

  54   Tue Oct 23 15:55:58 2012 Markus FriedlMicronOrigami_grosscalcal0268380023.10.2012 14:56:4723.10.2012 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

  57   Wed Oct 24 08:25:04 2012 Thomas BergauerMicronOrigami_grosscalcal0278380024.10.2012 08:22:2524.10.2012 09:10:19Unknown

 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
  58   Wed Oct 24 09:51:41 2012 Thomas BergauerMicronOrigami_grosscalcal0288380024.10.2012 09:50:5324.10.2012 10:39:43Unknown

 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
  60   Sat Oct 27 00:43:55 2012 Christian IrmlerMicronBabycalcal0298380027.10.2012 00:10:1527.10.2012 00:36:55Good

After irradiation

 

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

  63   Sat Oct 27 19:36:24 2012 Markus FriedlMicronOrigami_grosscalcal0318380027.10.2012 19:59:5027.10.2012 20:44:38Good

Belle stack 2 after irradiation

HV = +50V -50V

I = 112 µA

CO2 cooling

  67   Sun Oct 28 15:46:07 2012 Markus FriedlMicronBabycalcal0348380028.10.2012 15:19:1028.10.2012 15:40:47Good

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

  71   Mon Oct 29 11:36:40 2012 Markus FriedlInfineoncalcal0378380029.10.2012 11:35:1229.10.2012 11:58:02 Good

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

  73   Mon Oct 29 22:36:52 2012 Markus FriedlHPK_babycalcal0388380029.10.2012 22:17:3429.10.2012 22:47:47Good

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

  75   Tue Oct 30 10:37:19 2012 Markus FriedlHPK_babycalcal0398380030.10.2012 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
 

 

  77   Tue Oct 30 17:24:01 2012 Markus FriedlMicronOrigami_grosscalcal0408380030.10.2012 17:20:28 30.10.2012 17:54:09Unknown

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 V3.1.4-3d7c366