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MIR (PRM)
hiromi.yasui - 17:29 Wednesday 11 May 2022 (20691) Print this report
Mirror Cleaning

with Fabian-san, Hirata-san,

 

We had mirror cleaning work for PRM. What we did are follows;

1. Clean the floor (outside of the chamber)

2. Lock the suspension

3. Mirror check and photo shot (The pictures we took are uploaded here.)

4. Apply the First contact (both sides of the mirror)

 

Next steps;

5. Clean the inside of the chamber

6. Remove the FC

7. Inspection again

We will do this tomorrow.

 

 

Images attached to this report
Comments to this report:
hiromi.yasui - 18:04 Thursday 12 May 2022 (20702) Print this report

with Fabian-san, Hirata-san,

We did cleaning work for the PRM mirror.

1. Glued the peeling tab to the FC surface with tape.

2. Removed the jigs.

3. Cleaned inside the chamber using a vacuum cleaner and wiper.

4. Peeled off both of the FC using Top gun.

5. Inspected the mirror and took some pictures.

6. Released the suspension.

 

The pictures we took are uploaded here.

Last time, on SR2, we left the FC residue around the peeling tab, but this time we could remove the FC successfully.

The HR side is almost clean, and the AR side has FC dirt and still has some dirt and dust that is on the out-of-jig range.

The mirror surface condition is summarized attached file. Please confirm this.

 

Non-image files attached to this comment
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