Kohei Sawada

Growth of structure-controlled polycrystalline silicon ingots for solar cells by casting

K. Fujiwara, K. Nakajima, N. Usami, 2006 .

Directional growth method to obtain high quality polycrystalline silicon from its melt

Noritaka Usami, Kazuo Nakajima, K. Fujiwara, 2006 .