Logbooks Lab Maintenance Evaporator_1 Evaporator_2 Laser cutter Target Production Test-Stand RH-ISAC RH-Cyclotron RH-Meson Hall RH-Beamlines RH-ARIEL
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New entries since:Wed Dec 31 16:00:00 1969
ID Date Author Target/No.# Source Station Module Target Oven W.O#down Heat Shield W.O# Status Subject
  43   Wednesday, February 29, 2012, 17:22 Friedhelm Ames       mass scan

mass scan with valve at 7.2 to let in Al(CH3)3 saved as

plotdump-local-clean.txt_Feb29_12_17-19-20.txt


Attachment 1: grab.BI5978.png
grab.BI5978.png
  44   Wednesday, February 29, 2012, 17:26 Friedhelm Ames       gas inlet valves closed
  45   Thursday, March 01, 2012, 17:04 Friedhelm Ames       new mass scan

bigger mass scan after separator optimization and with finer step size

 

Attachment 1: grab.S19441.png
grab.S19441.png
  46   Thursday, March 01, 2012, 17:05 Friedhelm Ames       start heater ramping down
  47   Thursday, March 01, 2012, 17:09 Friedhelm Ames       new mass scan

Friedhelm Ames wrote:

bigger mass scan after separator optimization and with finer step size

 

 total curren on Fc0 183 nA gas valves SV2/5 open leak valve at 7.2 SV1 closed

  48   Thursday, March 01, 2012, 17:10 Friedhelm Ames       start ramping down of heaters
  49   Friday, March 02, 2012, 08:53 Anders MjosFEBIAD test     Problems/SolutionsTube heater insulator glowing

   The insulator for the tube heater was observed to be glowing with a blue shine when the target was on high voltage. The insulator was glowing on the side closest to the 9-pin connector. See attached photo.

Attachment 1: glowing_insulator.jpg
glowing_insulator.jpg
  50   Friday, March 02, 2012, 13:28 Anders MjosFEBIAD test      Venting test stand

Venting for target exchange

  51   Monday, March 05, 2012, 14:41 Friedhelm Ames       vacuum and optics switched off

vacuum and optics at teststand switched off to allow work on the water cooling system.

  52   Monday, March 05, 2012, 19:31 Friedhelm Ames      Failedturbo pumps failed

Both turbo pumps at the source box cannot be started. A fault report has been issued.

  53   Tuesday, March 06, 2012, 15:15 Pierre Bricault HP-SIS     ISAC test stand two turbos replaced

Vac group has replaced the two turbo pumps.

  54   Tuesday, March 06, 2012, 15:17 Pierre Bricault       ISAC test stand

Start turbo pumps at 1514H

  55   Tuesday, March 06, 2012, 15:25 Pierre Bricault       ISAC test stand

Turbos at full speed. P = 1.5E-05 T

  56   Tuesday, March 06, 2012, 15:51 Friedhelm Ames       turbopumps in mass separator section started
  57   Wednesday, March 07, 2012, 09:27 Friedhelm AmesNb#6     Donewater cooling started

water cooling line valves opened. No response on vacuum TSG:IG1 3.5e-7 T

  58   Wednesday, March 07, 2012, 10:36 Paul Mocock       HV conditioning begins.

HV conditioning has begins. Vacuum chamber pressure is currently 3.2e-07 Torr on TSG:IG1.

  59   Wednesday, March 07, 2012, 13:48 Friedhelm AmesNb#6      high voltage conditioning

High voltage conditioning has been started by ISAC ops. Einzel lens is unstable below 5 kV., o.k. above this.

  60   Wednesday, March 07, 2012, 17:44 Friedhelm AmesNb#6      ramping up heaters

ramping up heaters has been started by ISAC ops.

  61   Thursday, March 08, 2012, 09:14 Friedhelm AmesNb#6      continue target heating

continue target heating up to 580 A. Strip tool for the heating up to 300A from yesyerday see below

Attachment 1: grab.K26109.png
grab.K26109.png
  62   Thursday, March 08, 2012, 14:08 Friedhelm AmesNb#6      heater ramped up

heaters have reached final values TGHT 580 A, TBHT 230 A, some sparking during ramp up. see strip tool image attached

Attachment 1: grab.Z27253.png
grab.Z27253.png
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