It is a DLC coating using a hybrid process of PVD and plasma CVD.
The semiconductor forming die's Celtes DLC coating is a new DLC (diamond-like carbon) coating produced by a hybrid process of PVD and plasma CVD. By adopting a composite multilayer film, it demonstrates superior adhesion compared to conventional DLC and allows for thick films (up to 5μm), resulting in exceptional durability. Additionally, it can withstand high surface pressures due to the use of a substrate reinforcement layer, not only on cemented carbide but also on tool steel. The DLC coating has a very smooth and hard surface with a low friction coefficient, preventing adhesion of soft metals such as solder plating and aluminum. This significantly reduces defects caused by solder debris adhering to the mold and dramatically improves productivity by decreasing cleaning frequency. For more details, please download the catalog.
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【Features】 ○ Solder adhesion prevention ○ Increased film thickness and durability ○ Enhanced adhesion ○ Re-coating after film removal possible ○ Reduced environmental impact (RoHS compliant) ● For more details, please contact us or download the catalog.
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By adopting special sputtering and plasma CVD processes, we provide high-quality coatings with excellent adhesion even at low-temperature treatments below 180 degrees, along with high film thickness precision and outstanding tribological properties such as wear resistance, seizure resistance, and low friction coefficient, all based on abundant achievements and experience, with short delivery times. In particular, coatings from the Seltes brand, such as CrN-based coatings (Seltes X, N) as alternatives to Cr plating and Seltes DLC, which have excellent adhesion even under high surface pressure, are highly regarded in plastic molding molds, press molds, automotive parts, and high-precision sliding components. We also conduct various evaluations of metal surfaces and thin films, as well as defect analysis, using surface cleanliness measurement instruments like Corona Surf.