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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

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【作者】 印仁和曹为民李亚君李卓棠荣国斌

【Author】 YIN Renhe; CAO Weimin; LI Yajun(The Electrochemical Research Center, ShanghaiUniversity, Shanghai 201800) LI Zhuotang (Deportment of Materials, Shanghai University)) RONG Guobin (East China University of Science and Technology)

【机构】 上海大学!上海201800华东理工大学!上海200237

【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.

【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
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