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    • 11. 发明专利
    • Method of manufacturing semiconductor device, and semiconductor device
    • 制造半导体器件的方法和半导体器件
    • JP2011034995A
    • 2011-02-17
    • JP2009176781
    • 2009-07-29
    • Elpida Memory Incエルピーダメモリ株式会社
    • HIROTA TOSHIYUKI
    • H01L21/316H01L21/318H01L21/8242H01L27/108
    • H01L21/31683C23C16/405C23C16/45527H01L21/02186H01L21/02244H01L27/10852H01L28/40
    • PROBLEM TO BE SOLVED: To provide a semiconductor device in which peeling in an air bubble state can be prevented from occurring between an electrode and an insulating film (metal oxide film) for a capacitor, and to provide a method of manufacturing the semiconductor device.
      SOLUTION: The method of manufacturing the semiconductor device includes the following processes. By supplying a source gas over a base substance in S1, a metal nitride film is accumulated with a film thickness of 3 nm or less by an ALD method in S2, S3 and S4. By repeating, a plurality of times, the process in which the metal nitride film is oxidized in S5 and S6 to form a metal oxide film, a laminated film comprising the metal oxide films is formed over the base substance. Thus, the peeling in the air bubble state can be prevented from occurring between the electrode and insulating film (metal oxide film) for the capacitor.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供一种可以防止在电极和用于电容器的绝缘膜(金属氧化物膜)之间发生气泡状态的剥离的半导体器件,并且提供一种制造 半导体器件。 解决方案:制造半导体器件的方法包括以下处理。 通过在S1中将原料气体供给到基体物质上,通过在S2,S3,S4中的ALD法,以3nm以下的膜厚累积金属氮化物膜。 通过重复多次,在S5和S6中金属氮化物膜被氧化以形成金属氧化物膜的工艺,在基础物质上形成包含金属氧化物膜的层叠膜。 因此,可以防止在电容器的电极和绝缘膜(金属氧化物膜)之间发生气泡状态的剥离。 版权所有(C)2011,JPO&INPIT