Table 3 Remnant magnetism of nozzles of the vacuum tweezer, looped needles, and spatulas made out of stainless steel 304 analyzed using a teslameter Lake Shore Cryotronics Inc. F71
Date of analysis | Analyzed tools | Quantity | Maximum magnetism (mT) | Note |
|---|---|---|---|---|
May 13, 2021 | Spatulas | 3 | 0.0253 | Â |
| Â | Looped needle | 1 | N. D | No magnetism |
May 20, 2021 | Nozzles -S | 2 | 0.0084 | No magnetism |
| Â | Nozzles -M | 1 | 0.0158 | No magnetism |
| Â | Nozzles -L | 1 | 0.0328 | Â |
June 28, 2021 | Nozzles -S03 | 1 | 0.0046 | No magnetism |
July 28, 2021 | Nozzles -S | 6 | 0.0283 | Â |
| Â | Nozzles -M | 4 | 0.031 | Â |
| Â | Nozzles -L | 2 | 0.0155 | No magnetism |
August 28, 2021 | Nozzles—used for Chamber A grains | 3 | 0.2381 |  |
|  | Nozzles—used for Chamber A grains | 3 | 0.439 |  |
|  | Nozzles—used for Chamber C grains | 4 | 0.588 |  |
|  | Nozzles—used for Chamber C grains | 2 | 0.903 |  |
October 12, 2021 | Nozzles -S | 4 | 0.0242 | Â |
| Â | Spatulas | 3 | 0.004 | No magnetism |
February 14, 2022 | Spatulas | 3 | 0.006 | No magnetism |
March 16, 2022 | Spatulas | 3 | 0.0225 | Â |