Dah Young Vacuum is dedicated to developing intelligent and high-efficiency coating equipment for the semiconductor optics and precision optics industries.
Our optical coating technologies encompass both evaporation and sputtering systems, integrated with three proprietary advanced software platforms: Fast™ Uniformity Simulation, Coating Guard™ Optical Monitoring, and Plasma Guard™ Plasma Monitoring. These systems enable pre-process simulation of film thickness and color uniformity, along with real-time monitoring of optical and plasma conditions during production—allowing fast process adjustments to ensure exceptional stability, high throughput, and superior coating quality.

Optical thin film technologies are widely used in eyeglass lenses, camera optics, displays, industrial lasers, aerospace and defense, semiconductors, and medical optical systems. Dah Young’s equipment is designed to meet a broad spectrum of application needs—from simple single-layer coatings to complex multilayer interference films—delivering stable, high-precision processes tailored for demanding optical performance.

With over 60 years of expertise in optical coating technology, Dah Young has successfully expanded from precision optics to the semiconductor optics field, accumulating deep practical experience and know-how. We welcome your inquiries and look forward to supporting your coating needs.

Film Specifications