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Author:

秦飞 (秦飞.) (Scholars:秦飞) | 孙敬龙 (孙敬龙.) | 陈沛 (陈沛.) | 安彤 (安彤.)

Indexed by:

incoPat zhihuiya

Abstract:

一种硅晶圆多步变参数粗磨削方法,属于硅晶圆磨削加工领域。本发明包括下列步骤:将磨削力产生分为两个机制:摩擦作用力和切屑形成作用力;根据赫兹接触理论和切屑形成理论建立了磨削力模型Fnt;实验测量了9种磨削工艺下硅晶圆的亚表面裂纹深度h,将裂纹深度与总的磨削力Fnt的三分之二次幂进行线性拟合,得到裂纹深度的预测模型h=0.223(Fnt)2/3+8.57。根据裂纹深度预测值,提出了硅晶圆多步变参数粗磨削方法。此方法可保证磨削效率和提高硅晶圆的磨削质量,同时降低时间和成本消耗。

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Patent Info :

Type: 发明申请

Patent No.: CN201610405905.6

Filing Date: 2016-06-09

Publication Date: 2016-10-26

Pub. No.: CN106041660A

Applicants: 北京工业大学

Legal Status: 驳回

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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