2012-11-16

Sumitomo Metal Mining Starts Mass Production of Large Sapphire Substrates

Sumitomo Metal Mining Co., Ltd. has set up a production line for large sapphire substrates at its fully-owned subsidiary Okuchi Electronics Co., Ltd., and has started mass production. Sapphire substrates are used as a substrate for fabricating gallium nitride for use in white and blue LEDs. As the market for white LEDs expands from backlighting for large-size liquid crystal televisions to include general purpose lighting, demand from LED manufacturers for large sapphire substrates which offer an opportunity to improve productivity has also increased. Since the start o...
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2011-12-13

Sumitomo Metal Mining to Start Mass-produce 6-inch Diameter Sapphire Substrates

According to Sumitomo Metal Mining (SMM)’s president, Nobumasa Kemori, the company has decided to set up a mass-produce 6-inch diameter sapphire substrates line within its fully-owned subsidiary Okuchi Electronics based in Isa City, Kagoshima Prefecture, Japan. SMM intends to inject the capital investment of ¥1.2 billion (US $120 million) including investment already completed. Through the investment, SMM will construct a continuous production system extending from fabrication of large sapphire crystals to substrate processing. Currently, 2- to 4-inc...
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Tokushima, Japan - 6 March 2024: Nichia, the world's largest LED manufacturer and inventor of the high-brightness blue and white LED, has started mass production of the new UV-B (308nm) and UV-A (330nm) LEDs in its popular 434 Series packa... READ MORE

New XLamp® S Line LEDs enhance growth, last longer, lower energy costs Horticulture and other forms of agricultural lighting require application-tuned ratios of spectral content, high efficacy and long lifetimes. Whether you are interested... READ MORE