iKAGRA ETM suspension preparation log

1. Schedule

2. Disassembling in the ATC clean booth at Mitaka (12th-19th Jan.)

3. Washing and transportation to Kamioka [Hirata-san]

4. New parts preparation

4.1 Coil bobbin [Takahashi-san, Tatsumi-san] (Delivered to Kamioka on 4th Feb.)

4.2 Coil winding [Kuwahara-san, and Ushiba-san from U-Tokyo, Lee-san from Okazaki, and Ohishi] (8th-16th Feb.)

4.3 D-sub connector plates [Takahashi-san]

4.4 15pin-9pin changer for coil driver output [Ushiba-san, Ohishi]

4.5 Screws in replace with Cu screws [Ohishi]

5. Jigs

Attach magnets to dummy mirror (4 ; with the diameter of 2mm and the length of 5mm NdFeB magnets) [Tomaru-san, Yamamoto-san]

6. Some other items

6.1 Pico-motors and PZTs

6.2 Coil drivers

6.3 Cables

6.4 Mirrors

6.5 Mirror container [Tatsumi-san]

6.6 Stages

7. Assembling

[Tomaru-san, Ohishi, Yamamoto-san]

8. Hanging

[Yamamoto-san, Uchiyama-san, Doi-san, and Ohishi]

9. Transfer Function Measurement

[Shoda-san, Hayama-san, Ushiba-san, Kuwahara-san, Kokeyama-san, Kuwahara-san, Tomaru-san, Lee-san, and Ohishi]

10. Preparation of End area and suspension transportation to the End [Prof. Kimura, Sawada-san, Tomaru-san(KEK),]

11. Installation