Coating for Optical Applications
Super Hydrophobic Treatment
Advantages
- Higher hydrophobic treatment against fingerprints, and easy to clean.
- High non-adhesiveness.
|
No treatment
|
Super hydrophobic treatment
|
|
Hydrophobics
|
 |
 |
|
Kinetic friction
index
|
Conventional
|
Super hydrophobic
|
|
0.55 - 0.68
|
0.36 - 0.38
|
|
Item
|
Test condition
|
Results
|
|
Abrasion
|
0.5kg Steel wool #0000, 20 strokes
|
< 5 scratches
|
|
Adhesiveness
|
Tape Test (3 times)
|
Passed
|
|
Contact angle*
|
Water contact angle
|
110 degrees
|
|
Heat resistance
|
500 hours, 80°C
|
Passed
|
|
Humidity resistance
|
500 hours, 60°C, 95% RH
|
Passed
|
|
Hot water resistance
|
500 hours, 60°C
|
Passed
|
|
*Contact angle = 
|
|
|
No hydrophobic treatment
|
Hydrophobic treatment
|
|
Surface is easy to get wet at a smaller contact angle.
|
Surface is hard to get wet at a larger contact angle.
|
The physical properties are not the guaranteed values but the results of the measurement.
All the NIDEK's coating for optical application are individually designed on a make-to-order basis.
Top of page
|
Also see:
|
