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    • 1. 发明申请
    • METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND SUBSTRATE PROCESSING APPARATUS
    • 制造半导体器件和衬底加工设备的方法
    • US20120322254A1
    • 2012-12-20
    • US13461438
    • 2012-05-01
    • Sadayoshi HORIIYoshinori IMAIMika YAMAGUCHI
    • Sadayoshi HORIIYoshinori IMAIMika YAMAGUCHI
    • H01L21/283
    • C23C16/0281C23C16/409H01L21/3141H01L21/31691H01L28/55
    • A method of manufacturing a semiconductor device of the present invention includes a first step of forming a metal oxide film containing at least one or more kinds of elements selected from the group consisting of hafnium, yttrium, lanthanum, aluminium, zirconium, strontium, titanium, barium, tantalum, niobium, on a substrate having a metal thin film formed on the surface, at a first temperature allowing no oxidization of the metal thin film to occur, and allowing the metal oxide film to be set in an amorphous state; and a second step of forming a metal oxide film containing at least one or more kinds of elements selected from the group consisting of hafnium, yttrium, lanthanum, aluminium, zirconium, strontium, titanium, barium, tantalum, niobium on the metal oxide film formed in the first step, up to a target film thickness, at a second temperature exceeding the first temperature.
    • 本发明的半导体装置的制造方法包括:形成含有选自铪,钇,镧,铝,锆,锶,钛等的至少一种以上的元素的金属氧化物膜的第一工序, 钡,钽,铌,在表面形成有金属薄膜的基板上,在不会发生金属薄膜氧化的第一温度下,将金属氧化物膜设定为非晶态; 以及在形成的金属氧化物膜上形成含有选自铪,钇,镧,铝,锆,锶,钛,钡,钽,铌中的至少一种以上的元素的金属氧化物膜的第二工序 在第一步骤中,在超过第一温度的第二温度下达到目标膜厚度。