SORRA
http://www.maxray.co.jp/webcatalog/maxray_f/pdf/soraa_1601_1.pdf
住友化学
https://www.sumitomo-chem.co.jp/ir/library/presentations/docs/20160901.pdf
Gan on Gan
http://shukou-light.co.jp/images/Microsoft%20PowerPoint%20-%2020121107%20USHIO+Sorra%20(1).pdf
http://ex-press.jp/previous/lfwj/magazine_pdf/2013_11/0030feature04.pdf
http://www.nikkei.com/article/DGXNASFK0900H_Z00C11A5000000/?df=3