| ●Features |
| ■ The lightweight main body is made of aluminum alloy. |
| ■ An ion plating process is applied to the aluminum flange type after the mirror finishing process according to the ICF standard. |
| ■ Specifications suitable for Ultra-High Vacuum. |
| ■ Virtually no clearance between blades when the shutter is closed. |
| ■ Butterfly opening and closing of the shutter |
