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  Coating Ring-down Measurement Lab elog, Page 16 of 18  Not logged in ELOG logo
ID Date Authordown Type Category Subject
  870   Fri May 29 10:10:51 2020 GabrieleGeneralMeasurementsS1600806

2020-05-28

  • 10:00 am in chamber
    • S1600806 in CR1
  • 10:05 am roughing pumps on
  • 10:15 am turbo pump CR1-4 on
  871   Tue Jun 2 10:16:40 2020 GabrieleGeneralMeasurementsS1600801 S1600802

2020-06-02

  • 10:15 am in chamber
    • S1600801 in CR1
    • S1600802 in CR2
  • 10:20 am roughing pumps on
  • 10:30 am turbo pump CR1-4 on
  872   Fri Jun 5 18:55:27 2020 GabrieleGeneralMeasurementsS1600803 GaAs

2020-06-05

  • 6:50 pm in chamber
    • S1600803 in CR1
    • GaAs in CR2
  • 6:55 pm roughing pumps on
  • 7:05 pm turbo pump CR1-4 on
  873   Tue Jun 9 11:04:28 2020 GabrieleGeneralMeasurementsGaAs S1600805

2020-06-09

  • 11:00 am in chamber
    • GaAs in CR1
    • S1600805 in CR2
  • 11:04 am roughing pumps on
  • 11:15 am turbo pump CR1-4 on
  874   Mon Jun 15 19:32:31 2020 GabrieleGeneralMeasurementsS1600803 GaAs

2020-06-15

  • 7:32 pm in chamber
    • S1600803 in CR1
    • GaAs in CR2
  • 7:36 pm roughing pumps on
  • 7:46 pm turbo pump CR1-4 on
  875   Tue Jun 16 15:43:29 2020 GabrieleGeneralMeasurementsS1600805

2020-06-16

  • 3:42 pm in chamber
    • S1600805 in CR1
  • 3:45 pm roughing pumps on
  • 3:55 pm turbo pump CR1-4 on
  876   Thu Jun 18 17:46:51 2020 GabrieleGeneralMeasurementsS1600806

2020-06-18

  • 5:45 pm in chamber
    • S1600806 in CR1
  • 5:50 pm roughing pumps on
  • 6:00 pm turbo pump CR1-4 on
  877   Tue Jun 23 16:22:42 2020 GabrieleGeneralMeasurementsS1600806

2020-06-23

  • 4:20 pm in chamber
    • S1600806 in CR1
  • 4:21 pm roughing pumps on
  • 4:31 pm turbo pump CR1-4 on
  878   Wed Jun 24 14:17:45 2020 GabrieleGeneralMeasurementsS1600805 S1600806

2020-06-24

  • 2:26 pm in chamber
    • S1600805 in CR1
    • S1600806 in CR1
  • 2:27 pm roughing pumps on
  • 2:37 pm turbo pump CR1-4 on
  879   Thu Jun 25 08:49:24 2020 GabrieleGeneralMeasurementsS1600803 S1600805 S1600806

2020-06-25

  • 8:47 am in chamber
    • S1600803 in CR1
    • S1600805 in CR2
    • S1600806 in CR3
  • 8:49 am roughing pumps on
  • 9:00 am turbo pump CR1-4 on
  880   Wed Jul 1 13:43:53 2020 GabrieleGeneralMeasurementsS1600803 in

2020-07-01

  • 1:42 pm in chamber
    • S1600803 in CR1
  • 1:43 pm roughing pumps on
  • 1:53 pm turbo pump CR1-4 on
  881   Thu Jul 2 14:43:09 2020 GabrieleGeneralMeasurementsS1600794 S1600795 S1600796 S1600797

2020-07-02

  • 2:41 pm in chamber
    • S1600794 in CR1
    • S1600795 in CR2
    • S1600796 in CR3
    • S1600797 in CR4
  • 2:42 pm roughing pump on
  • 2:52 pm turbo pump on
  882   Tue Jul 7 15:40:44 2020 GabrieleGeneralMeasurementsS1600809 S1600810 S160081 S1600812

2020-07-02

  • 3:39 pm in chamber
    • S1600809 in CR1
    • S1600810 in CR2
    • S1600811 in CR3
    • S1600812 in CR4
  • 3:40 pm roughing pump on
  • 3:50 pm turbo pump on
  337   Fri Apr 7 14:12:52 2017 Eric, GabrieleGeneralGeneralS1600525 S1600526 S1600527 S1600528

2017-04-07

  • 2:12pm in chamber, pumps on
    • S1600525 in CR1
    • S1600526 in CR2
    • S1600527 in CR3
    • S1500528 in CR4
  • Excitations
    • Quiet time before excitation: 1175653360
      Excitation broadband: 1175653395
      Quiet time after excitation: 1175653460

    • Quiet time before excitation: 1175660690
      Excitation broadband: 1175660725
      Quiet time after excitation: 1175660790

    • Quiet time before excitation: 1175668021
      Excitation broadband: 1175668056
      Quiet time after excitation: 1175668121

    • Quiet time before excitation: 1175675351
      Excitation broadband: 1175675386
      Quiet time after excitation: 1175675451

    • Quiet time before excitation: 1175682681
      Excitation broadband: 1175682717
      Quiet time after excitation: 1175682782

    • Quiet time before excitation: 1175690012
      Excitation broadband: 1175690047
      Quiet time after excitation: 1175690112

    • Quiet time before excitation: 1175697342
      Excitation broadband: 1175697377
      Quiet time after excitation: 1175697442

    • Quiet time before excitation: 1175704672
      Excitation broadband: 1175704707
      Quiet time after excitation: 1175704772

2017-04-10

  • 11:19am, valve closed, pumps off
  67   Thu Jul 28 13:58:48 2016 Alena, GabrieleCleanDaily ProgressThe old chamber is now being cleaned and baked

Cleaned the chamber in the washing machine at 40m and started 48 baking at 120 C

Attachment 1: 20160728_092350.jpg
20160728_092350.jpg
  86   Tue Aug 16 11:53:30 2016 Alena, GabrieleCleanDaily ProgressClean room progress

Some progress on the cleam room: bar fixed to the wall, some more structure built, filters in place. We had to (literally) work around a corner of the low ceiling that we haven't noticed before. More contruction will follow tomorrow. We also had to order some additional parts (more extrusions, brackets, screws, etc...) 

  90   Fri Aug 19 13:46:55 2016 Alena, Calum, Jon, Liz, Steve, GabrieleFacilityDaily ProgressClean room and vacuum complete

This morning we installed the clean room curtains and washed them. It turns out that the air filters are supposed to be powered at 277V (?) instead of 115V. So right now the flux is quite low. We are looking into the problem: either replace them with 115V modules or install a small transformer.

We also installed the vacuum chamber on the table and connected all the pumps and gauges. There are no leaks and we could pump down easily the empty chamber. We left for lunch when the pressure was at a few 1e-6 Tor and still going down.

  155   Tue Nov 1 15:34:49 2016 Alena, CalumGeneral Annealing run

Annealing run (449-453) on 3" wafers - Crime 11/01/2016 https://dcc.ligo.org/T1600507

  174   Thu Nov 10 16:07:13 2016 Alena, CalumGeneralGeneralAnnealing run

Annealing run (466-471) on 3" wafers - Crime 11/10/2016

https://dcc.ligo.org/LIGO-T1600524

  184   Mon Nov 14 08:54:49 2016 Alena, CalumGeneralGeneralAnnealing run

Annealing run (472-477) on 3" wafers - Crime 11/11/2016 https://dcc.ligo.org/T1600527

  256   Fri Jan 6 12:19:22 2017 Alena, Bob, Stephen and CalumGeneralDaily ProgressSecond vacuum chamber

Cleaning and baking (200 C air foe SS and 120 for Al) parts for the new vacuum chamber

  33   Fri Jul 8 15:26:37 2016 AlenaFacilityDaily ProgressVacuum chamber tests

Fixed the 307 gauge controller (a missing contact on the rair panel). The low pressure gauge was connected to 1G port and has measured 1.7E-6 torr. We are not sure since how long the turbo was operating (no vacuum logger yet).

 

 

Attachment 1: WP_20160708_12_25_35_Pro.jpg
WP_20160708_12_25_35_Pro.jpg
Attachment 2: WP_20160708_12_25_41_Pro.jpg
WP_20160708_12_25_41_Pro.jpg
  36   Mon Jul 11 14:56:45 2016 AlenaFacilityDaily ProgressVacuum chamber tests

Installed a gate valve between the roughing and tubbo pump. See below a pump down curve. The convection gauge is not calibrated. the turbo started at 14th min (at about 3 torr)

Attachment 1: 20160711.png
20160711.png
  38   Mon Jul 11 17:04:06 2016 AlenaFacilityDaily ProgressVacuum chamber tests

At 5pm the pressure was 6.5e-6 torr.

Checked again at:

  • 9am, pressure was 2e-6 torr
  • 11:30am, pressure was 1.5e-6 torr
  • 5pm, pressure was 1.4e-6 torr
Quote:

Installed a gate valve between the roughing and tubbo pump. See below a pump down curve. The convection gauge is not calibrated. the turbo started at 14th min (at about 3 torr)

 

  41   Thu Jul 14 16:56:00 2016 AlenaFacilityDaily Progresstest vacuum system

Please see prosidures for pumping down and venting with air for the test vacuum chamber here https://dcc.ligo.org/T1600304

  68   Thu Jul 28 14:01:27 2016 AlenaGeneralDaily ProgressClean room

Ordered the clean room (hardware+hepa filters) and vacuum gauges

  149   Thu Oct 27 14:02:38 2016 AlenaGeneralGeneralAnnealing

Annealing run (447-448) on 3" wafers - Crime 10/27/2016 https://dcc.ligo.org/T1600485-v1

 

  160   Fri Nov 4 16:16:23 2016 AlenaGeneralGeneralAnnealing run

Annealing run (454-459) on 3" wafers - Crime 11/02/2016 https://dcc.ligo.org/LIGO-T1600510

Annealing run (460-465) on 3" wafers - Crime 11/04/2016 https://dcc.ligo.org/T1600513-x0

  210   Wed Nov 23 14:16:59 2016 AlenaGeneralGeneralMicroscope inspection

Microscope inspection of samples:

S1600487  https://dcc.ligo.org/S1600487-v7

S1600438 https://dcc.ligo.org/S1600438

 

 

  263   Wed Jan 18 14:29:16 2017 AlenaGeneralAnnealingAnnealing run (489-490) on 3" wafers - Crime 01/18/2017


Started annealing run Annealing run (489-490) on 3" wafers - Crime 01/18/2017 https://dcc.ligo.org/T1700027 using new hardware

 

  264   Thu Jan 19 07:32:33 2017 AlenaGeneralVacuumNew chamber first pimp down

The new chamber was build. The first attempt to pump down was unsuccessful because of dislocated lid. After the lit was placed properly, the chamber was pumped down to 0.1 torr within 8 min. In future a sky hook will be used to help placing the lid properly. The clamps should not be placed on the lid before the roughing pump turned on.

The turbo pump controller failed. Error code 698 – call the vendor.

  267   Thu Jan 19 14:27:02 2017 AlenaGeneralVacuumFirst vacuum test new chamber

Turbo pump controller (new chamber) was configured. Need to reduce the frequency or setup a standby mode. First pump down: E-7 range reached within about an hour. See plot: blue - old crime chamber, pink - new crime chamber.

  269   Fri Jan 20 16:00:36 2017 AlenaGeneralAnnealingAnnealing run (491-496) on 3" wafers - Crime 01/20/2017

 Started Annealing run (491-496) on 3" wafers - Crime 01/20/2017 https://dcc.ligo.org/LIGO-T1700036 Will be done by Monday

  350   Wed Jun 21 17:04:20 2017 AlenaGeneralAnnealingAnnealing run (541-542) on 3" wafers - Crime 06/25/2017

Started an annealing run https://dcc.ligo.org/LIGO-T1700271

Will be ready by Friday morning

 

  355   Tue Jun 27 09:20:16 2017 AlenaGeneralAnnealingAnnealing run (546-551) on 3" wafers - Crime 06/27/2017

Started annealing run https://dcc.ligo.org/T1700293

Will be ready by June 28th afternoon

  511   Wed Apr 4 16:36:15 2018 AlenaGeneralMeasurementsS1600551, S1600552, S1600554, S1600555

2018-04-04

  • 16:10am in chamber
    • S1600551 in CR1
    • S1600552 in CR2
    • S1600554 in CR3
    • S1600555 in CR4
  • 16:30 roughing pump on
  • 16:40 turbo pump on
  515   Mon Apr 9 15:34:57 2018 AlenaGeneralMeasurementsS1800634

2018-04-09

  • 3:30 pm in chamber
    • S1800634 in CR1
  • 3:30 pm roughing pump on
  • 3:45 pm turbo pump on
  523   Tue May 1 16:25:47 2018 AlenaGeneralMeasurementsS1800516

2018-05-01

  • 16:10 pm in chamber
    • S1800516 in CR0
  • 16:20 pm roughing pump on
  • 16:40 pm turbo pump on
  524   Wed May 2 10:08:20 2018 AlenaGeneralMeasurementsS1800520

2018-05-02

  • 10:05 am in chamber
    • S1800520 in CR0
  • 10:06 am roughing pump on
  • 10:20 am  turbo pump on
  525   Thu May 3 17:37:18 2018 AlenaGeneralMeasurementsS1800520

2018-05-02

  • 17:37 added ND because QPD was oversaturated. Repeating the measurement without venting
    • S1800520 in CR0
  526   Fri May 4 13:54:55 2018 AlenaGeneralMeasurementsS1800516 AK_01 AK_03

  2018-05-04

  • 02:21 pm in chamber:
    • AK_01 in CR1
    • AK_03 in CR3
  • 02:25 pm roughing pump on
  • 02:44 pm turbo pump on

 

  • 03:30 pm in chamber:
    • S1800516 in CR0
  • 03: 35 pm roughing pump on
  • 03:42 turbo pump on
  527   Wed May 9 13:57:41 2018 AlenaGeneralMeasurementsS1800515

2018-05-09

 

  • 01:57 pm in chamber:
    • S1800515 in CR0
  • 01:58 pm roughing pump on
  • 14:05  turbo pump on
  528   Thu May 10 10:20:08 2018 AlenaGeneralMeasurementsS1600593, S1600594, S1600595, S1600596, S1800519

2018-04-04

  • 12:09 pm in chamber
    • S1600593 in CR1
    • S1600594 in CR2
    • S1600595 in CR3
    • S1600596 in CR4
  • 12:00 pm roughing pump on
  • 12:12 pm turbo pump on

     

  • 12:30 pm in chamber
    • S1800519 in CR0
  • 12:31 pm roughing pump on
  • 12:50 pm turbo pump on
  529   Fri May 11 14:27:54 2018 AlenaGeneralMeasurementsS1600597 S1600598 S1600599 S1600600 S1800516
  • 02:27 pm in chamber
    • S1600597 in CR1
    • S1600598 in CR2
    • S1600599 in CR3
    • S1600600 in CR4
  • 02:27 pm roughing pump on
  • 02:35 pm turbo pump on

 

  • 02:40 pm in chamber
    • S1800516 in CR0
  • 02:40 pm roughing pump on
  • 02:54 pm turbo pump on
  530   Mon May 14 13:42:42 2018 AlenaGeneralMeasurementsS1800520
  • 01:41 pm in chamber
    • S1800520 in CR0
  • 01:41 pm roughing pump on
  • 01:59 pm turbo pump on
  531   Tue May 15 15:10:52 2018 AlenaGeneralMeasurementsS1600587 S1600588
  • 03:10 pm in chamber
    • S1600587 in CR1
    • S1600588 in CR2
  • 03:10 pm roughing pump on
  • 03:24 pm turbo pump on
  532   Fri May 18 17:06:28 2018 AlenaGeneralMeasurementsS1600528 S1600531 S1600543 S1600544
  • 16:57 in chamber
    • S1600528 in CR1
    • S1600531 in CR2
    • S1600543 in CR3
    • S1600544 in CR4
  • 16:57 roughing pump on
  • 17:06 turbo pump on
  533   Mon May 21 11:01:36 2018 AlenaGeneralMeasurementsS1600609 S1600611 S1600612 S1600613
  • 11:00 in chamber
    • S1600609in CR1
    • S1600611 in CR2
    • S1600612 in CR3
    • S1600613 in CR4
  • 11:15 roughing pump on
  • 11:26 turbo pump on
  534   Tue May 22 08:40:45 2018 AlenaGeneralMeasurementsS1600587 S1600588 S1600614
  • 09:04 in chamber
    • S1600587 in CR1
    • S1600588 in CR2
    • S1600614 in CR3
  • 09.15 roughing pump on
  • 09:20 turbo pump on
  535   Tue May 22 16:11:45 2018 AlenaGeneralMeasurementsS1600526 S1600553 S1600557 S1600558
  • 16:39 in chamber
    • S1600526 in CR1
    • S1600553 in CR2
    • S1600557 in CR3
    • S1600558 in CR4
  • 16:39 roughing pump on
  • 16:46 turbo pump on
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