1. 1) G. Spur, M. Puttrus and U. W. Wunsch: Wire EDM of PCD, Industrial Diamond Review, Vol. 48, No. 529, (1988), pp.264-266.
2. 2) H. Nakaoku, T. Masuzawa and M. Fujino: Micro-EDM of Sintered Diamond, J. of the Japan Society of Electrical Machining Engineers, Vol.39, No.91, (2005), pp.24-28 (in Japanese).
3. 3) T. Takada, Z. R. Zhou, T. Okamichi, S. Ninomiya, M. Iwai, K. Suzuki: EDM properties of PCD using an electrode assisted with ultrasonic vibration, Proc. 2012 Spring Meet. of the Japan Society for Precision Engineering (2012) pp.111-112 (in Japanese).
4. 4) J.Yan, K.Watanabe and T.Aoyama: Micro-electrical discharge machining of polycrystalline diamond using rotary cupronickel electrode, CIRP Annals Manufacturing Technology, Vol.63, No.1 (2014) pp.209-212.
5. 5) M. Iwai, H. Hashimoto, T. Kawasaki, K. Suzuki: High efficiency EDM of PCD by specific transition metal electrode, Proc. 2015 Spring Meet. of the Japan Society for Precision Engineering (2015) pp.79-80 (in Japanese).