Green chemical mechanical polishing of sapphire wafers using a novel slurry

W Xie, Z Zhang, L Liao, J Liu, H Su, S Wang, D Guo - Nanoscale, 2020 - pubs.rsc.org
Toxic and corrosive solutions are widely used in the preparation of abrasives and chemical
mechanical polishing (CMP) of sapphire wafers, resulting in potential environmental …

Study on planarization machining of sapphire wafer with soft-hard mixed abrasive through mechanical chemical polishing

Y Xu, J Lu, X Xu - Applied Surface Science, 2016 - Elsevier
This study investigated the material removal mechanism of sapphire wafer with soft-hard
mixed abrasives through mechanical chemical polishing (MCP). The polishing film, which …

Effects and mechanisms of different types of surfactants on sapphire ultrasonic polishing

H Deng, M Zhong, W Xu - Tribology International, 2023 - Elsevier
The effects of three different types of surfactants, including cationic surfactant
cetyltrimethylammonium bromide (CTAB), anionic surfactant sodium dodecyl benzene …

Study on high efficient sapphire wafer processing by coupling SG-mechanical polishing and GLA-CMP

Y Xu, J Lu, X Xu, CCA Chen, Y Lin - International Journal of Machine Tools …, 2018 - Elsevier
A novel surface finish process sequence has been developed with a sequential process
employing sol-gel (SG) semi-fixed abrasive polishing tool and gas-liquid assisted chemical …

A study of chemical products formed on sapphire (0001) during chemical–mechanical polishing

X Shi, G Pan, Y Zhou, L Xu, C Zou, H Gong - Surface and Coatings …, 2015 - Elsevier
A study of chemical products formed on sapphire (0001) during chemical–mechanical
polishing is presented. The results demonstrated that the formation and removal of chemical …

Experimental research on surface characteristics and subsurface damage behavior of monocrystal sapphire induced by helical micro abrasive tools

S Gong, X Zhu, Y Sun, B Tang, Z Su - Ceramics International, 2022 - Elsevier
Sapphire crystals have been widely used in the fields of national defense and optical
devices due to good chemical stability and high temperature resistance. In this study, the …

Investigation of green alkaline pH regulators on sapphire UV-CMP

H Deng, M Zhong, W Xu - Tribology International, 2023 - Elsevier
This paper studied the feasibility of using green organic base to replace traditional inorganic
base in sapphire UV-CMP. The effects of pH regulators on chemical and mechanical …

Micro-mechanism of glycine action in tribochemical mechanical polishing of single-crystal sapphire substrate: Experimental and first-principles analysis

C Ke, Y Pang, Z Zhang, S Liu, Y Wu, Q Luo… - Materials Today …, 2024 - Elsevier
With the rapid development of novel optoelectronic devices, an environmentally friendly and
highly efficient polishing technology for SC-sapphire substrates is imminent. In this work, the …

Effect of amino acid complexing agents on chemical mechanical polishing performance and action mechanism of C-plane sapphire: Combining experiments and …

Y Zou, X Niu, N Zhan, J Liu, X Li, C He, C Dong… - Materials Chemistry and …, 2024 - Elsevier
Chemical mechanical polishing (CMP) of sapphire faces greater challenges as the
performance and processing requirements of sapphire devices continue to improve. Amino …

[PDF][PDF] 脆性材料亚表面损伤检测研究现状和发展趋势

王宁昌, 姜峰, 黄辉, 徐西鹏 - 机械工程学报, 2017 - qikan.cmes.org
脆性材料加工过程中引入的亚表面损伤, 对材料的使用寿命, 性能, 下道工序的移除量等都有很大
的影响. 为了指导加工工艺, 加强对加工过程的控制, 对材料的亚表面损伤层的检测显得尤为重要 …