Palladium, pink gold and DLC plating are used in the watch industry, and are applied to watch cases and parts. Palladium is valued as a decorative metal, as well as for its wear and corrosion resistance and its durability. Pink gold is used for its appearance and its wear resistance.

PVD Coating for Watch Case and Parts

Using PVD Sputtering Technology, it has Good Hardness and Scratch Resistant. Can be Used for Decorative Purposes, Tools, Jewelry and etc. Specifications Substrate: Ti, Stainless Steel Sputtering Thickness: Ti: 0.1µm, Cu: 0.3~2µm, Diamond Like Carbon (DLC ): 0.5~2µm Metallization: Ti-Cu DLC - Diamond Like Carbon Thickness: 0.1 - 5µm (±20%) DLC Hardness: 30 - 60GPa DLC Friction coefficient: 0.01 - 0.05 Coating Applications Coating Thickness Hardness Friction coefficient Heat Resistance TiN 2~6 µm 2500 Hv 0.65 600 °C TiCN 2~6 µm 4200 Hv 0.3 400 °C TiAlN 2~6 µm 4500 Hv 0.07~0.3 750 °C CrN 2~6 µm 2500 Hv 0.2 700 °C DLC 0.01~2 µm >2500 Hv 0.05~0.2 250 °C Technical Challenges TiC Uniformly Exhibit a Variety of Colors, Excellent Adhesion and Good Hardness Various Decorative Colors DLC-Diamond Like Carbon Coating High hardness (>40GPa), Low Friction Coefficient and Good Wear Resistance The world's first off-body protector structure Developed in 1975 as the World's First Body Protector. It was developed for its highly Reliable Shock Resistive and Safety feature on Diver's Watch. In 1986, ceramics material was used for the Quartz Models of 100M Diver Watch and characteristics of being light weight, high corrosion-resistant and high hardness. Can be Plated on Cutting Tools The cross section of tool after cutting Please refer to the relevant pages Copper Plating，PVD

Plating for Watch Case and Parts

Plating technique using a constant voltage on the case to avoid the double layer and coating roughness. Specifications Substrate: Brass，Stainless Steel，Fe Metallization: Au, Rh, Ni, Pd, Cu, Pink Gold, Bi-Color Plating Thickness: 2.8 - 3µm Technical Challenges Improved Wear Resistance and Control for Differences in Constant Voltage and Current. AuCu--Type I superstructure Hardness 400~500Hv Difference in the Constant Voltage and Current to the Difference in Percentage of Gold to the Thickness of Gold. Please refer to the relevant pages Gold Plating, Rhodium Plating, Palladium Plating, Nickel Plating, Copper Plating

AR (Anti-Reflective) Coating

Epson has developed a high hardness AR (Anti-Reflective) multi-layer coating. It has the ability to maintain excellent wear resistance on the surface of sapphire and glass, and at the same time provide anti-fogging film functionality and high transmittance rate of 99%. Specifications Substrate: Glass Metallization: AR (Anti-Reflective) Coating Hardness: Higher than Silicon Carbide Transmittance: Almost all lights can be transmitted. Adhesion: Superior Adhesion to Substrate Water Contact: Hydrophobic Technical Challenges Maintain Scratch and Dust Resistance, Adjustments of Reflection and Refraction of light For Long-Term Usage Without and With AR Coating Water Test on Glass Without AR Coating Water Test on Glass With AR Coating Please refer to the relevant pages AR Coating

FPC Reel to Reel Selective Plating
	Au Spot Plating on Flex Tape for Wire Bonding of Watch Parts Specifications Substrate: Flex Tape Metallization: Au Thickness: IL = >0.5µm, Non-Critical Area=>0.05µm Technical Challenges Reduced Usage of Gold at Selected Plated Area Electroplating requires portion 0.5μm (0.1% area), while other portion 0.05μm (99.9% area) Please refer to the relevant pages Gold Plating