Coating for Optical Applications
AR Coating for Plastic Lenses
 NIDEK provides anti-reflection coating (AR coating) for optical plastic lenses.
Optical Properties
Refractive Index : 1.67
NIDEK's AR coating can be applied to any refractive indices.
Both sides
|
Item
|
Test condition
|
Results
|
|
Abrasion
|
Steel wool scratch
1.5 Kg, 5 strokes
500 g, 50 strokes
|
< 5 scratches
< 5 scratches
|
|
Adhesiveness
|
Crosshatch Tape Test
(3 times)
|
Passed
|
|
Hot water resistance
|
30 minutes, 80°C
|
Passed
|
|
Heat resistance
|
1 hour, 75°C
|
Passed
|
Acid resistance
HCI |
5%, dipping 24 hours |
Passed
|
Alkali resistance
CH3COONa |
5%, dipping 24 hours |
Passed
|
|
Organic solvent resistance
|
Organic solvent, dipping 24 hours
|
Passed
|
|
Humidity resistance
|
72 hours, 50°C, 95% RH
|
Passed
|
|
Heat impact test
|
55°C to 25°C
50 cycles
|
Passed
|
|
Sunshine Weather Meter
|
240 hours
Carbon arc (with water spray)
|
Passed
|
*The optical and physical properties are not the guaranteed values but the results of the measurement.
|
|
