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Experimental Investigations on Material Removal Rate and Surface Roughness in Lapping of Substrate Wafers: A Literature Review

Journal Key Engineering Materials (Volume 404)
Volume Progress in Abrasive and Grinding Technology
Edited by Xipeng Xu
Pages 23-31
DOI 10.4028/www.scientific.net/KEM.404.23
Citation Wei Long Cong et al., 2009, Key Engineering Materials, 404, 23
Online since January, 2009
Authors Wei Long Cong, Peng Fei Zhang, Zhi Jian Pei
Keywords Lapping, Material Removal Rate (MRR), Sapphire, Silicon, Substrate Wafer, Surface Roughness (SR)
Abstract

Lapping is an important material-removal process for manufacturing of substrate wafers. Objectives of lapping include removing subsurface damage in sliced wafers, thinning wafers to target thickness, and achieving a high degree of parallelism and flatness of wafer surfaces. This paper reviews the literature on lapping of substrate wafers. It presents reported experimental results on effects of input parameters (lapping pressure, plate rotation speed, abrasive grain size, slurry concentration, and slurry flow rate) on material removal rate and surface roughness.

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