| Apparatus | Tokyo Measuring Instruments Laboratory |
| TDS-303 | |
| Strain gage | Kyowa Electronic Instruments |
| KFG-1-120-D16-16 | |
| Strain gage size | 1 mm |
| Strain gage type | biaxial |
| Young’s modulus | 196 GPa |
| Machined size | 15 × 15 mm |
| 10 × 10 mm |