Manual Viewport Shutters

Lesker - Manual Viewport Shutters

Kurt J. Lesker Viewport Shutters Features:

• Prevent deposition materials from depositing on and ruining viewports
• Shutters are opened in safe conditions, closed while deposition occurs
• Operate to base pressures below 10^-9 Torr
• Bakeable to 250°C

Manual Viewport Shutters Features:

• Feature a circular flapper plate 90° mounted on a tangential axis, sweeping through
• Flapper plate is rotated by a magnetic rotary drive feedthrough
• Feedthrough knob houses a thumb screw to keep the flapper open in a desired position and to adjust the drive torque

NOTE:

• Kurt J. Lesker / Premier Solutions strongly recommend shutters for evaporation and sputtering systems in which material may deposit on the viewport viewing area.
• The "D" dimension is applicable to the manual viewport shutters.

Dimensional Drawings

Premier Solutions Pte Ltd / Lesker Manual Viewport Shutters