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    • 96. 发明专利
    • Cathodic arc source
    • IL289483D0
    • 2022-02-01
    • IL28948321
    • 2021-12-29
    • OERLIKON SURFACE SOLUTIONS AG PFAFFIKON
    • C23C14/00C23C14/06C23C14/08C23C14/32H01J37/32H01J37/34
    • The invention refers to a cathodic arc evaporation apparatus comprising: - a target (3) which has a target surface (3') comprising an active surface (3'') from where material can be evaporated in a cathodic arc process; - a confinement (4) surrounding an outer boarder of the target surface (3'); - an anode (2) having an electron receiving surface (2', 2", 2'''), the anode (2) encompassing at least one of the target (3) and the confinement (4) in at least one of a target plane and an axial distance in front of the active surface; - a magnetic guidance system adapted to provide a magnetic field at the target surface being essentially in parallel to at least an outer region of the target surface so that magnetic field lines are in parallel to the target surface or inclined to it in an acute angle α, whereat an active surface (3'') is defined in a surface (3') area where magnetic field lines enter the target surface in an acute angle α≤ 45°; - a central axis Z or a central plane Z'; wherein the confinement (4) and the anode (2) both are made in closed geometry and both are electrically isolated against each other and the target, whereat the minimum distance of the electron receiving surface (2', 2", 2''') from the active surface (3'') is defined by at least one of a radial distance Δr14 of an outer boarder of the target surface (3') to an inner boarder of the electron receiving surface, whereby the outer boarder of the target surface (3') has a radial distance r1 from the middle of the target and the inner boarder of the electron receiving surface has a radial distance r4 from the middle of the target, and an axial distance hi from the target surface (3') to an upper boarder of the confinement or an axial distance h2 from the target surface (3') to a lower boarder of the electron receiving surface (2', 2'', 2''').