Study on Grinding Processing of Sapphire Wafer


Article Preview

This paper reports our recent results on the diamond grinding process of single crystallized sapphire wafers. It was found that the diamond grains were severely dislodged at the wheel/ workpiece interface and the material was removed by a mixed process of both grinding and lapping. Grinding governed the wafer center while lapping dominated its fringe. By increasing the wheel speed, it was able to shift the dominant process from lapping to grinding, and achieve a better surface roughness. Nine diamond wheels varying in both concentration and bond material were tested in surface grinding of 6 inch sapphire wafer, to investigate the dynamic behavior of diamond grain in the grinding process and its resultant surface quality and productivity.



Edited by:

Y.F. Zhang, D.L. Butler, J. Wang, X.P. Li, A. Yui and L. Zhou






Y. Ebina et al., "Study on Grinding Processing of Sapphire Wafer", Advanced Materials Research, Vol. 565, pp. 22-27, 2012

Online since:

September 2012




[1] W.H. Xu, X.C. Lu, G.S. Pan, Y.Z. Lei and J.B. Luo: Appl. Surf. Sci., 256(2010), p.3936.

[2] W.H. Xu, X.C. Lu, G.S. Pan, Y.Z. Lei and J.B. Luo: Appl. Surf. Sci., 257(2011), p.2905.

[3] Z. Lianga, X. Wanga, Y. Wub, L. Xiea, Z. Liua, W. Zhaoa: Journal of Materials ProcessingTechnology 212 (2012), p.868.

[4] Hisashi Sato, Yebing Tian, Jun Shimizu and Libo Zhou: ASPEN2009(2009), p.2.

[4] L. Zhou, J. Shimizu and H. Eda: Int. J. Mfg Tech. & Mng., Vol. 7, No. 5/6(2005), p.441.

[5] L. Zhou, T. Mitsuta, J. Shimizu, Y. Tian and T. Yamamoto: J. Jpn. Soc. Abras. Technol., Vol. 54, No. 1(2010), p.47 (in Japanese).

In order to see related information, you need to Login.