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曲面硅电极五轴精密磨削工艺研究

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近两年出现了新型刻蚀技术,将半导体刻蚀用硅电极设计成曲面结构。而曲面硅电极的精度及粗糙度要求非常高,其生产都是在国外进行,具体工艺未知。研究出一套曲面硅电极高效、精密磨削方法。通过分析曲面硅电极零件,提出采用五轴磨削技术进行加工的工艺方案,使用五轴编程软件进行编程,采用具备机内自动化技术和数字仿真技术的五轴磨削中心,对曲面硅电极的磨削加工策略进行验证。结果表明:此项加工技术可提高加工效率和产品良率,并减少后续的研磨抛光时间,降低了生产成本。
Research on Five Axis Precision Grinding Technology for Curved Silicon Electrodes
In recent years,new etching technologies emerged,curve structures are designed on silicon electrodes for semiconductor etching.The precision and roughness requirements of curved silicon electrodes are very high,they were produced abroad previously,and the specific process is unknown.An efficient and precise grinding method was developed for curved silicon electrodes.Through the analy-sis of curved silicon electrode parts,a process scheme of using five axis grinding technology for machining was proposed.Five axis pro-gramming software was used for programming,and a five axis grinding center with internal automation technology and digital simulation technology was used to verify the grinding strategy of curved silicon electrodes.The results indicate that this processing technology can improve processing efficiency and product yield,reduce grinding and polishing time,and reduce production costs.

curved silicon electrodeprecision grindinginternal automationdigital simulationprocess research

卢震、程俊兰

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北京精雕科技集团有限公司,北京 102308

北华航天工业学院,河北廊坊 065000

曲面硅电极 精密磨削 机内自动化 数字仿真 工艺研究

2024

机床与液压
中国机械工程学会 广州机械科学研究院有限公司

机床与液压

CSTPCD北大核心
影响因子:0.32
ISSN:1001-3881
年,卷(期):2024.52(7)
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