Circulating device is needed in electrochemical etching course . the consequences are benefit to silicon electrochemical micromachining technology and the technology will be hopeful to become an new technology about silicon deep - holes etching technology 其结果对进一步开展这方面的研究工作具有指导意义,在进一步深入开展研究电化学体硅微加工技术时,可有望成为实现硅深孔列阵加工的新技术。