Rikita, Naoki; Matsuki, Ryuichi; Kobayashi, Hiroyuki; Nakamura, Masato; Chida, Kasumi (Mitsubishi Materials Corporation, 1-297, Kitabukuro-cho, Omiya-ku, Saitama-shi, Saitama, 330-8508, Japan)
Mitsubishi Materials developed CVD diamond conditioner for the purpose of anti corrosion. In our long history of Ni plated CMP diamond conditioner, our main stream was dot-designed conditioner. Such dot type Ni plated conditioners were used by many customers. However, customer is concerning of metal contamination for the next generation device. That is the motivation to develop CVD conditioner.