| ●Features |
| ■ The window material is barium fluoride which can be used for a wide wave length range between vacuum ultraviolet region and infrared region. |
| ■ Accurate temperature measurements can be performed when combined with a radiation thermometer. |
| ■ A diffusion junction process is used for the conjugation of flange and window material which is suitable for Ultra-High Vacuum. |
■ The amount of leakage is 1.3×10-11 Pa･m3/sec or less.
（1×10-10 Torr･l/sec or less） |
