Hitachi Cable has launched a new mass-production technology for GaN-templates as shown in  Figures 1 and 2 below. The process allows high-quality GaN single-crystal thin film to be grown on a sapphire substrate and the company plans to start selling these templates. Using this product as a base substrate for an epitaxial wafer for white LEDs the company claims it makes it possible to drastically improve productivity of white LED epiwafers and the LED properties. Therefore, this product is expected to become an effective solution to improve the position of...