Showa Denko K.k.

Citizen Seimitsu Co., Ltd.

Takeshi Jonouchi

Kazuyuki Haneda

Satoshi Fujinami

The disk-shaped substrate manufacturing method is provided with: generating an air stream downward from an upper area during grinding a disk-shaped substrate in a grinding apparatus; arranging the grinding apparatus on an upper floor face of a floor and arranging water on a lower floor face of the floor, the upper floor face being made of a board having penetration holes or a mesh member, and the lower floor face supporting the upper floor face so as to be located above the lower floor face with a distance; and guiding dust made by the grinding apparatus to the water by use of the air stream.

Growing community of inventors

Minamitsuru-gun, Japan

Takeshi Jonouchi