Vapor Deposition
Coating technology always on the cutting edge of current technology.
We provide vapor deposition products with high precision such as dichroic mirrors and fully reflecting mirrors for separating white light into BGR (blue, green, red) from the lamp source, and cross dichroic prisms for color systems for image processing of combined light from liquid crystal panels, and cold mirrors, UV/IR for lamp systems.
Optical unit used on liquid crystal projectors - structural view
Vapor Deposition
1. Cold Mirror for Plastic Lens
It has been difficult to apply cold mirror coating on plastics.
But it has become available by overcoming the difficulty.This cold mirror is designed for plastic lenses to reflect visible light and transmit near-IR.
Adherence and reliability of the coat are well secured.
Reliability test conditions
| Thermal shock | -40°C ~ 85°C | 210cycles |
|---|---|---|
| Temperature and moisture resistance |
85°C 95% | 96hrs |
| High temperature storage | 90°C | 94hrs |
No coating coming off and no crack after reliability test !
* Our examination result
* Please note: Substrate material shall be ZEONEX.
2. IR Cut Filter for Plastic Lens
It has been difficult to apply IR cut coat on plastics.
But it has became available by overcoming the difficulty.This filter coat is designed for plastic substrate to transmit visible light, and reflect near IR.
Adherence and reliability of the coat are well secured.
Reliability test conditions
| Thermal shock | -40°C ~ 85°C | 200cycles |
|---|---|---|
| Temperature and moisture resistance |
85°C 80% | 1000hrs |
No coating coming off, no crack after reliability test !
* Our examination result
Example of deposition to lens
* ZEONEX E48R
Cost reducing can be expected by employing this coating instead of using conventional glass filter.
3. Highly Durable Mirror
Generally, aluminum has been chosen as a coating material for reflecting mirror.
The coating layer of aluminum is relatively durable, however, it has problems for using in severe condition; white turbidity or open void of coat layer (that allows light to go through the substrate) are caused when using in high temperature and high humidity. But we have overcome the problems.
By coating a combination of special metals and dielectric materials instead of aluminum, coat durability have substantially improved.
Reliability test conditions
| Thermal shock | -40°C ~ 85°C | ≧ 100cycles |
|---|---|---|
| Temperature and moisture resistance |
85°C 95% | ≧ 500hrs |
No coating coming off, no reflectance degradation after reliability test !
* Our examination result
* ZEONEX E48R
Best for operating in severe condition !
If you have any request, please inform us.
We'd like to offer optimum product upon your request.
* ZEONEX® is a registered trademark of ZEON corporation, Japan
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