【摘要】 系统地介绍了碳膜的制备技术及其厚度测量方法,碳膜制备技术有碳弧法、电阻加热法、电子轰击法、离心沉淀法和裂解乙烯法。碘膜厚度测量方法包括称重法、背散射法、等效空气法和吸光光度法。更多还原

【Abstract】 The development and study of methods to prepare carbon foils and ,to determine their thicknesses are described.The methods of making carbon foils consist of carbon-are evaporation, resistance heating, electron bombardment, cracking ethylene and centrifugal precipitation. Weighing, a-particle measurement, Rutherford backscattering and spectrophotometer are used to determine the thickness of carbon foils更多还原