
Lee Ga Hyung is a highly experienced professional with 21.4 years of work experience in various fields such as polishing, cell, sapphire, lapping, and R&D. Based in South Korea, Lee has a strong background in semiconductor silicon wafer research and development. He has also conducted research and development in Korea, specializing in automation equipment development and LED devices for sapphire growth and wafering. Lee is currently the R&D Director at STI, where he is involved in the National Project of developing fuel cell (SOFC) with STX Metal and has also worked as an Assistant Research Engineer.

r&d director at sti co ltd&Research And Development Director
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