Design coloring technology for hard coatings using ion plating (PVD) developed from eyeglass frames.
Our company has been engaged in ion plating (PVD) for design coloring in gold, brown, gray, and other colors on eyeglass frames for over 30 years in Sabae City, Fukui Prefecture, where more than 95% of Japan's eyeglass frames are produced.
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basic information
Ion plating (Physical Vapor Deposition: PVD) is a method of coating ceramic films that have been nitrided, carbonized, or oxidized with materials such as titanium or chromium in a vacuum. Our company possesses equipment for three methods: "electron gun melting ion plating," "arc discharge ion plating," and "magnetron sputtering," allowing us to select processing machines that match the substrate and the required film formation conditions. We excel in achieving decorative coloring that is resistant to scratches and wear on metal products, as well as having excellent corrosion and weather resistance. Additionally, we can process work sizes ranging from spherical to long objects, and we have experience with insulating materials that do not conduct electricity.
Price information
Aitec Co., Ltd. is a factory located in Sabae City, Fukui Prefecture, specializing in surface treatment processing. Its features include coloring with hard coatings using ion plating for design purposes, as well as expertise in nano-diamond composite plating and nickel-tungsten alloy plating to enhance the wear resistance and sliding properties of metal surfaces.
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Applications/Examples of results
The requirements for coloring designs on eyeglass frames are as follows: - Even with complex product shapes, there should be almost no color unevenness when viewed from multiple directions, and a stable application across the entire work is necessary. - The flexibility to adhere without peeling during bending adjustments of the eyeglass frame to fit the user's head shape. - Corrosion resistance against sweat and cosmetics, and a surface treatment that is biocompatible since it comes into contact with the skin on the head. - For copper alloys with silver plating, which can change the properties of metals at the typical ion plating processing temperatures, it is important to process them at relatively low temperatures of 200-300°C to avoid any adverse effects. This ion plating coloring technology has been adopted in various industries for design products.
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Company information
Aitec Co., Ltd. leverages its top market share technology and achievements in the eyewear production area to meet various customer needs. Utilizing surface treatment technology for eyewear frames, we provide plating services in various fields such as information appliances, automotive parts, and nanotechnology. Aitec is always striving for quality improvement and obtained the international standard for quality management and assurance, "ISO 9001" series, for the first time in the eyewear industry in Fukui Prefecture in 2000. In 2001, we also acquired the international standard for environmental management, "ISO 14001" series, and received the Fukui Prefecture Governor's Award for Management Quality. Aitec Co., Ltd. will continue to aim for better quality management in the future.
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