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As a pioneer in Taiwanese PSS industry, Aurotek had finished the developments of both Micro/Nano-sphere Self-Assembly Techonology (MNSA) and Nano-imprint Lithography Technology (NIL), which could successfully be applied to pattern the micro/nano-structures on large area substrates. Sapphire substrate with specific micro/nano-structure made by the MNSA, NIL and etching methods is what we call Mirco/Nano-Patterned Sapphire Substrate (MPSS and NPSS). PSS is a good carrier for epitaxial growth of high quality gallium nitride (GaN), effectively improves LED light extraction efficiency, and enhances LED electrical properties, which is one of the raw materials widely used by LED industry.
In 2011, Aurotek launched their PSS automatic inspection equipment, which featured high-speed testing, to provide customers with a more accurate, comprehensive, and cost-effective quality control program for PSS. PSS is difficult to detect defects in the microstructure making it difficult to test for problems in quality. Automatic Optical Inspection (AOI) equipment can replace manual operations, improve production quality, reduce loss, and significantly reduce manufacturing costs. In addition to producing MPSS, NPSS, and PSS inspection equipment, Aurotek provides a complete PSS manufacturing solution for the global LED industry.