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    • 2. 发明公开
    • 시드층의 형성 방법, 실리콘막의 성막 방법 및 성막 장치
    • 种子层形成方法,硅胶膜成型方法和薄膜成型装置
    • KR1020140085343A
    • 2014-07-07
    • KR1020130162913
    • 2013-12-24
    • 도쿄엘렉트론가부시키가이샤
    • 오부,도모유키미야하라,다카히로나가타,도모유키
    • H01L21/02C23C16/02C23C16/24C30B25/18C30B29/06
    • H01L21/02532C23C16/0272C23C16/24C30B25/02C30B25/18C30B29/06H01L21/02381H01L21/0245H01L21/02488H01L21/02502H01L21/0262
    • Provided is a seed layer forming method capable of meeting a further desired reduction in temperature of a film forming process, maintaining or improving accuracy of the surface roughness of a thin film formed on a seed layer, and achieving further improvement of in-plane uniformity of the thin film. The method of forming a seed layer includes the steps of forming a first seed layer on a surface of the underlayer by heating the underlayer, followed by supplying an aminosilane-based gas onto the surface of the heated underlayer (step 11); and forming a second seed layer on the surface of the underlayer with the first seed layer formed thereon by heating the underlayer, followed by supplying a disilane or higher order silane-based gas onto the surface of the heated underlayer (step 12), wherein a process temperature of step 11 applied when forming the first seed layer is set to be within a range between less than 400°C and not less than a temperature at which at least silicon contained in the aminosilane-based gas is adsorbed onto the surface of the underlayer; and wherein a process temperature of step 12 applied in forming the second seed layer is set to be within a range between less than 400°C and not less than a temperature at which at least silicon contained in the disilane or higher order silane-based gas is adsorbed onto the surface of the underlayer with the first seed layer formed thereon.
    • 提供了能够满足成膜工艺的进一步期望的降低温度的种子层形成方法,保持或提高在种子层上形成的薄膜的表面粗糙度的精度,并且进一步提高面内均匀性 薄膜。 形成种子层的方法包括以下步骤:通过加热底层在底层的表面上形成第一种子层,然后将基于氨基硅烷的气体供应到加热的底层的表面上(步骤11)。 在底层的表面上形成第二晶种层,通过加热底层形成第一晶种层,然后在加热的底层的表面上提供乙硅烷或更高级的硅烷基气体(步骤12),其中a 在形成第一种子层时施加的步骤11的处理温度设定在小于400℃且不低于将氨基硅烷系气体中所含有的硅中的至少一部分吸附在该表面上的温度 底层; 并且其中在形成所述第二种子层时施加的步骤12的处理温度被设定在小于400℃且不小于至少包含在所述乙硅烷或更高级硅烷类气体中的硅的温度 被吸附到底层的表面上,其上形成有第一种子层。