Flatness Tester

NIDEK supports “comfortable vision life” with its accurate technology

NIDEK offers comprehensive solutions for manufacturing eyeglasses, such as visual acuity measurement, lens measurement and processing, to provide people with comfortable eyeglasses. We are also developing a system that provides a highly efficient, automated production methodology tailored to the needs of our customers.

Flatness Tester FT-17

Features

• Samples up to outer diameter φ130 mm are measurable. (Up to φ100 mm for flatness measurement)
• Applicable to wafers (silicon, compound, oxide or glass), metallic fragments, disks (aluminum or glass), or user-defined shaped parts, etc.
• Applicable to mirrored/non-mirrored surface, transparent samples, perforated samples, or atypical samples
• Various samples are digitally measurable by analyzing interference fringe pattern obtained by laser oblique incidence interferometer through the phase shift method.

Flatness Tester FT-900

Features

• Samples up to outer diameter φ200 mm are measurable.
• Applicable to wafers (silicon, compound, oxide or glass), metallic fragments, masks, or user-defined shaped parts, etc.
• Available to mirrored/non-mirrored surface, transparent samples, perforated samples, or atypical samples
• Various samples are digitally measurable by analyzing interference fringe pattern obtained by laser oblique incidence interferometer through the phase shift method.