ULVAC was founded in 1952 and is dedicated to the advancement of vacuum processing technology. ULVAC designs and manufactures equipment and materials for industrial applications of vacuum techniques and technology. The innovative solutions offered by ULVAC have led to advancements in semiconductor, flat panel displays/OLED and disc/magnetic media processing technologies.

The UNECS series of spectroscopic ellipsometers developed by ULVAC measure the refractive index and thickness of the thin film quickly and accurately. Based upon a unique measurement method, the UNECS series offer both a compact size and high-speed measurement capability.

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