Influence of Lapping Parameters on 6H-SiC Crystal Substrate (0001) C Surface Based on Diamond Particle

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The SiC crystal substrate has been widely used in the area of microelectronics, photonics and new materials, such as semiconductor lighting, integrated circuits, and so on. In this paper, the influences of the lapping parameters, such as the rotational velocity of the lapping platen and the carrier and the polishing pressure on the material removal rate (MRR) and surface roughness Ra of SiC crystal substrate (0001) C surface based on the diamond particle in lapping. This study results will provide the reference for developing the abrasive paste, optimizing the process parameters and researching the material removal mechanism in lapping of SiC crystal substrate.

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237-242

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September 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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