SK-Electronics CO.,LTD. manufactures and sells large-format photomasks in Japan and internationally. The company operates in two segments, Service Business and Solution Business. The company provides photomasks for use in liquid crystal displays, plasma display panel, OLEDs, TSPs, semiconductor packages, light guides, micro electromechanical systems, and other components and tools for equipment inspections. It also offers radio frequency identification products; and healthcare/medical devices, including electrical stimulators and stethoscopes and percussion hammers. The company was incorporated in 2001 and is headquartered in Kyoto, Japan.