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Author:

Qin Fei (Qin Fei.) | Zhang Lixiang (Zhang Lixiang.) | Zhao Shuai (Zhao Shuai.) | Chen Pei (Chen Pei.) | An Tong (An Tong.) | Dai Yanwei (Dai Yanwei.)

Indexed by:

incoPat

Abstract:

本发明提供了一种硅晶圆减薄亚表面损伤深度快速评估方法,属于半导体晶圆材料超精密加工领域。该方法包括确定晶圆磨削参数,计算单颗磨粒切削深度的建立,建立亚表面损伤深度与切削深度的关系,将单颗磨粒切削深度代入亚表面损伤深度与切削深度关系,得到磨削参数与亚表面损伤深度的关系,亚表面损伤深度快速评估。利用本发明提供的亚表面损伤深度快速评估方法,可以在磨削设计阶段针对不同磨削参数(磨轮目数、主轴进给速率、主轴转速、晶圆转速)硅晶圆亚表面损伤深度进行预测,提高晶圆磨削质量,降低晶圆磨削成本。

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Patent Info :

Type: 发明申请

Patent No.: WOCN18112612

Filing Date: 2018-10-30

Publication Date: 2020-04-23

Pub. No.: WO2020077671A1

Applicants: Beijing University Of Technology

Legal Status: 未进入国家阶段-PCT有效期满

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: 5

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