Kupo Manufacturing Processes are proceeding in the Class 1,000 clean room. The particles in the clean room larger than 0.5μ/cft must be fewer than 1,000 PCs. The operators have to wear the clean room garment lest the particles would interfere with the coating quality.

Kupo only uses the glass materials which are produced within 3 months in order to keep the quality. Through the exact ultrasonic cleaning process to ensure the cleanness of glass substrate. Any fingerprints, particles, stains must be cleaned out to avoid influencing the coating quality.

All thin-films are generally produced by the thermal evaporation technology in a high vacuum deposition chamber.
The dielectric minerals (TiO2 and SiO2) are evaporated by the Electron Guns and then deposited onto a glass substrate to yield a thin-film. The electronic system controls the shields and deflectors to ensure the vapor is evenly distributed across
the glass, layer by layer.

The planetary running of coating chamber makes the materials adhere onto glass substrate evenly and increase the density of layers. The Ion Assistant Deposition (IAD) also improves the adhesion to avoid the thin-film flaking off. This makes a denser coating with better durability and decreases the pinholes. The stable facilities enable the high throughput manufacture of filters within ±1.5% at T50%.

Each procedure is in compliance with the ISO 9001 to guarantee the quality uniformity. All products are approved by SGS and RoHS regulations. Kupo has the confidence to provide the perfect products with precise tolerance for you.

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