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    • 11. 发明专利
    • Vacuum film forming apparatus, and film deposition method
    • 真空膜成膜装置和薄膜沉积方法
    • JP2012126976A
    • 2012-07-05
    • JP2010281024
    • 2010-12-16
    • Ulvac Japan Ltd株式会社アルバック
    • OMORI MIKISUZUKI MINORUHONDA KAZUHIROZAMA HIDEAKIKUBO MASASHI
    • C23C16/455H01L21/31
    • PROBLEM TO BE SOLVED: To provide a vacuum film forming apparatus capable of inhibiting deterioration of a valve, a vacuum pump, etc. installed at the downstream side of a reaction chamber where a film is deposited on a substrate by alternately feeding a plurality of raw material gases.SOLUTION: The vacuum film forming apparatus 1 has: the reaction chamber where the substrate is placed; a first raw material gas supplying means for supplying a first raw material gas from a raw material supply source 22 to the reaction chamber; a second raw material gas supplying means for supplying a second raw material gas, which reacts with the first raw material gas, from a raw material supply source 42 to the reaction chamber; a raw material gas control means for controlling the flows of the first and second raw material gases so as to alternately supply the first and second raw material gases to the reaction chamber; a trap 61 to which the raw material gases discharged from the reaction chamber are supplied; and a means for achieving direct supply of the second raw material gas from the raw material supply source 42 to the trap 61 without passing through the reaction chamber.
    • 要解决的问题:提供一种能够抑制阀,真空泵等的劣化的真空成膜装置,该真空成膜装置安装在反应室的下游侧,其中膜通过交替进料而沉积在基板上 多种原料气体。 解决方案:真空成膜装置1具有:放置基板的反应室; 第一原料气体供给装置,用于将来自原料供给源22的第一原料气体供给至反应室; 第二原料气体供给装置,用于将与第一原料气体反应的第二原料气体从原料供给源42供给到反应室; 原料气体控制装置,用于控制第一和第二原料气体的流动,以便将第一和第二原料气体交替地供应到反应室; 从反应室排出的原料气体供给的捕集器61; 以及用于将第二原料气体从原料供给源42直接供给到捕集器61的装置,而不通过反应室。 版权所有(C)2012,JPO&INPIT