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| || 012 || 2013 Nov. 26 || K. Yamamoto ||<#ff0000> Urgent!||Vertical spring||Kazuhiro rewrite schedule.||2013 Dec. 3|| |
Cryopayload's Action Item List
General Descriptions
This is a list of action items identified in the cryopayload meeting after its kick-off (2013 Nov 15). If you want to know the previous information or historical path to the cryopayload meetings, please refer to CRY-AOS meeting.
Action Items
A/I# |
Identified on |
Assigned to |
Status/Output |
Related to |
Description |
Due date |
001 |
2013 Nov. 19 |
Sekiguchi, Hirose |
Closed. Takanori and Osamu Miyakawa found the document about OSEM (it includes the schematic design of circuit) by themselves. |
Overall design |
Ask somebody in LIGO details of the circuit for OSEM. |
2013 Nov. 26 |
002 |
2013 Nov. 19 |
R. Takahashi |
Urgent! He has already asked, but no reply so far. If he will not receive anything by the next meeting, we must make drawings by ourselves (we copy Type B design and rewrite and so on). |
Overall design |
3-D design drawing of Type-A is necessary (ASAP!). Ask to Gianni. |
2013 Nov. 26 |
003 |
2013 Nov. 19 |
R. Takahashi |
Closed. Ryutaro explained. As above description, further discussion is necessary.->(#011) |
Vertical spring |
About blade metal spring (vertical spring), the schedule and strategy and so on will be summarized by R. Takahashi, Ishizaki, Sekiguchi, and K. Yamamoto, and reported in the next meeting. |
2013 Nov. 26 |
004 |
2013 Nov. 19 |
K. Yamamoto |
Urgent! |
Material |
About the masses, including a recoil mass, intermediate mass, intermediate recoil mass, and platform, the evaluation of the eddy current damping is necessary. K. Yamamoto will ask (1) to Eric Hennes how much he can make his effort for this problem and whether he can provide files for Finite Element Analysis. (2) to Ando or Aso whether Nishi's file for eddy current damping still remains. |
2013 Nov. 26 |
005 |
2013 Nov. 19 |
D. Chen |
Urgent! |
Control |
D. Chen will ask Uchiyama whether a picomotor can survive at cryogenic temperature. |
2013 Nov. 26 |
006 |
2013 Nov. 19 |
D. Chen |
Urgent! |
Control |
D. Chen looks for design drawing of a stage for Type-B, and some commercial stages. |
2013 Nov. 26 |
007 |
2013 Nov. 19 |
K. Yamamoto |
Urgent! |
Control |
The schedule for the control system should be considered again. |
2013 Nov. 26 |
008 |
2013 Nov. 19 |
K. Yamamoto |
Urgent! |
Control |
About the procurement of the OSEMs, K. Yamamoto will consult R. Takahashi. |
2013 Nov. 26 |
009 |
2013 Nov. 19 |
T. Suzuki (?) |
Urgent! |
Control |
Check whether the thrust bearing can work at the cryogenic temperature. |
2013 Nov. 26 |
010 |
2013 Nov. 19 |
D. Chen (?) |
Urgent! |
Control |
About photodiode, check about out gas; check noises by 10-m long line; check whether the window of photodiode be removed. |
2013 Nov. 26 |
011 |
2013 Nov. 26 |
T. Sekiguchi |
Urgent! |
Vertical spring |
For the basis of discussion, Takanori will summarize the vibration via heat link until this weekend. After that, he and Ryutaro circulate their ideas about vertical spring and we discuss. |
2013 Dec. 1 |
012 |
2013 Nov. 26 |
K. Yamamoto |
Urgent! |
Vertical spring |
Kazuhiro rewrite schedule. |
2013 Dec. 3 |