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    • 3. 发明授权
    • Oxidation method and oxidation system
    • 氧化法和氧化体系
    • US07129186B2
    • 2006-10-31
    • US10992469
    • 2004-11-19
    • Kazuhide HasebeKota UmezawaYutaka Takahashi
    • Kazuhide HasebeKota UmezawaYutaka Takahashi
    • H01L21/31H01L21/469
    • H01L21/67017H01L21/02238H01L21/02255H01L21/31662
    • An oxidation method is capable of forming oxide films in an improved interfilm thickness uniformity. The oxidation method includes the steps of supplying an oxidizing gas and a reducing gas into a processing vessel 22 capable of being evacuated and holding a plurality of workpieces W arranged at predetermined pitches, and creating a process atmosphere containing active oxygen species and active hydroxyl species in the processing vessel 22 through the interaction of the oxidizing gas and the reducing gas. At least either of the oxidizing gas and the reducing gas is jetted into an upstream region S1, a middle region S2 and a downstream region S3, with respect to the flowing direction of the gas, of a processing space S containing the workpieces W.
    • 氧化法能够以改善的膜间厚度均匀性形成氧化膜。 氧化方法包括以下步骤:将氧化气体和还原气体供给到能够抽真空并保持以预定间距布置的多个工件W的处理容器22中,并且产生含有活性氧和活性羟基的工艺气氛 处理容器22通过氧化气体和还原气体的相互作用。 将氧化气体和还原性气体中的至少任一种相对于气体的流动方向喷射到包含工件的处理空间S的上游区域S1,中间区域S 2和下游区域S 3中 W.