Founded in 1968, Dahyoung Vacuum specializes in the research, design, manufacturing, and sales of vacuum coating equipment. We are one of the few vacuum coating equipment manufacturers in Taiwan with the capabilities for independent R&D, in-house manufacturing, and global service support.

In recent years, the company has focused on precision optics and semiconductor-related applications, continuously investing in the development of high-end optical coating equipment. Our product portfolio spans multiple technology platforms — including optical evaporation, optical sputtering, wafer-level coating, and roll-to-roll coating.

Our equipment serves broad applications across multiple industries:

Equipped with a Class 1000 cleanroom optical laboratory and a comprehensive R&D testing platform, we are committed to developing high-precision, high-stability coating technologies, supporting customers from R&D verification through to mass production, and continuously delivering greater product value.

In 2024, Dahyoung Vacuum was officially qualified as a supplier to Taiwan Semiconductor Manufacturing Company (TSMC). The company is actively expanding into next-generation industries including AI, AR/VR, automotive optics, MicroLED, optical communications, and advanced packaging, with equipment already serving multiple high-tech markets worldwide.
✓ TSMC Qualified Supplier 2024

We firmly believe that talent is the core driving force behind continuous innovation. By joining Dayoung Vacuum, you will have the opportunity to participate in projects with world-class clients and cutting-edge technologies, work in a Class 1000 cleanroom optical laboratory, engage with core technologies in optics, semiconductors, and advanced manufacturing, and collaborate with a passionate and professional team to break boundaries and achieve success together.

If you have a passion for technology, a boldness to take on challenges, and a desire to stand at the forefront of transformation in the high-tech industry, we sincerely invite you to join Dahyoung Vacuum — and build a world-class precision optical coating equipment brand together with us.

Capability	Simplicity	Value	Innovation
Independent equipment development with both hardware and software expertise, aligned with advanced coating technologies from Europe and the US.	Durable, highly adaptable equipment that is reasonably priced and easy to operate.	A technology partner dedicated to thin film development, creating product value and driving industry advancement.	Closely connected with academic and industry resources to deliver breakthrough coating technologies and solutions.