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用临界钝化电流法和液晶法检测金属氧化物膜的缺陷率
THE INSPECTION OF DEFECTS IN METAL OXIDE FILMS BY CPCD AND LIQUID CRYSTAL METHODS
【摘要】 用临界钝化电流(CriticalPassivationCurrentDensity.CPCD)法和液晶法,研究了不锈钢上Ta2O5,ZrO2的高频溅射膜的缺陷率建立了CPCD法中与薄膜有关的电流密度If与膜厚d之间的关系式:If=k(1-θ)d.利用液晶的动态散射模型(DynamicScatteringMode,DSM),建立了动态无损伤检测膜缺陷率的新方法,并证明了这两种方法的检测结果有良好的直线关系。
【Abstract】 The defects in Ta2O5 and ZrO2 films prepared by RF sputtering on SUS304stainless steel were studied by CPCD (critical passivation current density) and liquid crystalmethods. In CPCD method a relation between current density if and film thickness wasgiven: If= K(1-0)d. Using DSM (dynamic scattering mode) of liquid crystal, a new methodabout nondestructive testing of film defects was reported. The results of the two methodsshowed a good linear relation.
【关键词】 临界钝化电流密度法;
动态散射模型;
液晶;
氧化物薄膜;
缺陷率;
【Key words】 CPCD method; DSM; liquid crystal; oxide film; defect;
【Key words】 CPCD method; DSM; liquid crystal; oxide film; defect;
【基金】 国家自然科学基金!59471060
- 【文献出处】 金属学报 ,ACTA METALLRUGICA SINICA , 编辑部邮箱 ,1997年06期
- 【分类号】TG142
- 【被引频次】1
- 【下载频次】53