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    • 8. 发明专利
    • Semiconductor device manufacturing method, substrate processing method, and substrate processing device
    • 半导体器件制造方法,基板处理方法和基板处理装置
    • JP2012033874A
    • 2012-02-16
    • JP2011092570
    • 2011-04-19
    • Hitachi Kokusai Electric Inc株式会社日立国際電気
    • OTA YOSUKEHIROSE YOSHIROAKAE HISANORITAKAZAWA HIROMASA
    • H01L21/31C23C16/42C23C16/455H01L21/318
    • H01L21/0217C23C16/34C23C16/345C23C16/45523C23C16/4557C23C16/45574C23C16/509H01L21/02247H01L21/02252H01L21/0228
    • PROBLEM TO BE SOLVED: To form an insulating film in which hydrogen concentration is extremely low in a high temperature region and film thickness uniformity is excellent.SOLUTION: A semiconductor device manufacturing method and a substrate processing method comprise: a step of forming a prescribed element-containing layer by supplying a material gas including a prescribed element into a processing container housing a substrate; a step of changing the prescribed element-containing layer to a nitride layer by supplying a nitrogen-containing gas into the processing container; and a step of forming a nitride film of a prescribed film thickness on the substrate by sandwiching a step of supplying an inactive gas and purging inside of the processing container between the preceding two steps and alternately repeating these steps. The step of forming the prescribed element-containing layer increases a velocity of the material gas more than that of the inactive gas flowing in a direction parallel to the surface of the substrate also in the step of purging inside of the processing container by supplying the material gas together with the inactive gas or a hydrogen-containing gas via a nozzle provided on the side of the substrate.
    • 要解决的问题:为了形成在高温区域中氢浓度极低的绝缘膜,并且膜厚均匀性优异。 解决方案:半导体器件制造方法和衬底处理方法包括:通过将包含规定要素的材料气体供给到容纳衬底的处理容器中来形成规定的含有含有层的步骤; 通过向处理容器中供给含氮气体来将规定的含有含
      有物质的层变更为氮化物层的工序; 以及通过在前述两个步骤之间夹持提供惰性气体和清洗处理容器内部并交替重复这些步骤的步骤,在基板上形成规定膜厚度的氮化物膜的步骤。 形成规定含有元素的层的步骤比在与基板的表面平行的方向上流动的惰性气体的速度增加,同时在通过供给材料的清洗处理容器的内部 气体与惰性气体或含氢气体一起通过设置在基板一侧的喷嘴。 版权所有(C)2012,JPO&INPIT