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    • 107. 发明专利
    • Method of manufacturing semiconductor device, substrate processing method, and substrate processing apparatus
    • 制造半导体器件的方法,衬底处理方法和衬底处理装置
    • JP2011238894A
    • 2011-11-24
    • JP2010280421
    • 2010-12-16
    • Hitachi Kokusai Electric Inc株式会社日立国際電気
    • HIROSE YOSHIROTAKAZAWA HIROMASAKAMAKURA TSUKASANAKAMURA YOSHINOBUSASAJIMA RYOTA
    • H01L21/318C23C16/30C23C16/455H01L21/31H01L21/316
    • H01L21/67069C23C16/30C23C16/45531C23C16/45546H01L21/02104H01L21/02126H01L21/02178H01L21/02181H01L21/02186H01L21/02189H01L21/0223H01L21/02247H01L21/0228H01L21/67011H01L21/67017
    • PROBLEM TO BE SOLVED: To form an insulator film having such characteristics as low dielectric constant, low etching rate, and high insulation property.SOLUTION: A set of steps includes a step in which the gas containing a predetermined element is supplied under such condition as CVD reaction is caused, into a process chamber which houses a substrate, so that a layer containing predetermined element is formed on the substrate, a step in which the gas containing carbon is supplied into the process chamber so that a layer containing carbon is formed on the layer containing predetermined element, to form a layer containing predetermined element and carbon, and a step in which the gas containing nitrogen is supplied into the process chamber so that the layer containing predetermined element and carbon is nitrided to form a carbonitride layer. Another step forms a carbonitride layer of predetermined thickness by performing the set by predetermined frequency. One cycle includes that step and a step in which the gas containing oxygen is supplied into the process chamber so that the carbonitride layer having the predetermined thickness is oxidized to form a carbonitride oxide film. The cycle is performed by predetermined frequency to form a carbonitride oxide film having a predetermined film thickness on the substrate.
    • 要解决的问题:形成具有低介电常数,低蚀刻速率和高绝缘性等特性的绝缘膜。 解决方案:一组步骤包括一个步骤,其中在诸如CVD反应的条件下将含有预定元素的气体供应到容纳衬底的处理室中,从而在包含预定元素的层上形成含有预定元素的层 基板,将含有碳的气体供给到处理室中使得含有碳的层的层形成在包含预定元素的层上以形成含有预定元素和碳的层的步骤,以及其中含有 将氮气供应到处理室中,使含有预定元素和碳的层被氮化以形成碳氮化物层。 通过以预定频率执行该组,另一步形成预定厚度的碳氮化物层。 一个循环包括该步骤和将含有氧气的气体供应到处理室中以使具有预定厚度的碳氮化物层被氧化以形成碳氮化物膜的步骤。 循环以预定的频率进行,以在衬底上形成具有预定膜厚度的碳氮化物膜。 版权所有(C)2012,JPO&INPIT