1. Standard plates are master of mass production for glass lens testing. Usually, the fabrication of these masters is kind of the state of art. COT could provide flat or spherical standard plate with different sizes and shapes. The irregularity reaches one tenthλ.
2. With COT indigenous master fabrication process and high precision experience, customer could define their own standard plate with different curvature radius, precision and accuracy, thickness, shape, compensation, and material.
Specifications and capabilities:
1. Model number: customer design.
2. Diameter: 1", 2", 4".
3. Thickness: customer design.
4. Material: customer design.
5. Irregularity: λ/10.
6. Notes: COT indigenous.