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金刚石和类金刚石膜是当今材料界的研究热点之一，有着极其诱人的应用前景。本文简要综述了该膜系的发展过程和现在水平。并结合作者自己的研究工作，对膜系应用于扬声器振膜上以提高其高频响应范围的研究和应用工作进行较全面的调研，综述了国内外在该领域的最新进展。
Diamond and diamond-like carbon films are one of the hot topics in the field of materials science today. They have extremely attractive applications. This article briefly reviews the development and current levels of this membrane system. Combined with the author’s own research work, the research and application of the membrane system applied to the loudspeaker diaphragm to improve its high-frequency response range are studied in more comprehensive ways. The latest developments in this field at home and abroad are summarized.