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    • 2. 发明公开
    • PLASMAQUELLE
    • EP2932523A1
    • 2015-10-21
    • EP13802538.2
    • 2013-12-09
    • Oerlikon Surface Solutions AG, Trübbach
    • KRASSNITZER, SiegfriedHAGMANN, Juerg
    • H01J37/32
    • H01J37/3233C23C16/50H01J37/3244H01J37/32596H01J2237/3321H05H1/50
    • The present invention relates to a plasma generating device comprising a plasma source having a plasma source hollow body (1) and an electron emission unit (5) which makes it possible to emit free electrons into the plasma source hollow body, wherein the plasma source hollow body (1) has a first gas inlet (7a) and a plasma source opening (10) which forms an opening to a vacuum chamber, and further comprising an anode having an anode hollow body (2), wherein the anode hollow body (2) has a second gas inlet (7b) and an anode opening (11) which forms an opening to the vacuum chamber, and a voltage source (8) the negative pole of which is connected to the electron emission unit (5) and the positive pole of which is connected to the anode hollow body (2), wherein the positive pole of the voltage source (8) is additionally electrically connected by means of a first shunt (6a) to the plasma source hollow body.
    • 本发明涉及一种等离子体发生装置,其包括具有等离子体源空心体(1)和电子发射单元(5)的等离子体源,该电子发射单元使得有可能将自由电子发射到等离子体源空心体中,其中等离子体源空心 (1)具有形成真空室开口的第一气体入口(7a)和等离子体源开口(10),并且还包括具有阳极中空体(2)的阳极,其中阳极中空体(2) )具有形成真空室开口的第二气体入口(7b)和阳极开口(11),以及负极连接到电子发射单元(5)的电压源(8),并且正极 其极与阳极中空体(2)连接,其中电压源(8)的正极通过第一分流器(6a)附加地电连接到等离子体源中空体。
    • 4. 发明公开
    • Precursor for planar deprocessing of semiconductor devices using a focused ion beam
    • 使用聚焦离子束用于半导体器件的平面解处理前体
    • EP2808885A1
    • 2014-12-03
    • EP14169930.6
    • 2014-05-27
    • FEI COMPANY
    • Rue, ChadChandler, Clive D.
    • H01J37/305H01L21/3213
    • H01L21/67069H01J37/3056H01J37/3233H01J37/3244H01J2237/3151H01J2237/31744H01J2237/31749H01J2237/334H01L21/3065H01L21/31105H01L21/31116H01L21/32131H01L21/32136H01L21/76892
    • A method and system for improved planar deprocessing of semiconductor devices using a focused ion beam system. The method comprises defining a target area to be removed, the target area including at least a portion of a mixed copper and dielectric layer of a semiconductor device; directing a precursor gas toward the target area; and directing a focused ion beam toward the target area in the presence of the precursor gas, thereby removing at least a portion of a first mixed copper and dielectric layer and producing a uniformly smooth floor in the milled target area. The precursor gas causes the focused ion beam to mill the copper at substantially the same rate as the dielectric. In a preferred embodiment, the precursor gas comprises methyl nitroacetate. In alternative embodiments, the precursor gas is methyl acetate, ethyl acetate, ethyl nitroacetate, propyl acetate, propyl nitroacetate, nitro ethyl acetate, methyl methoxyacetate, or methoxy acetylchloride.
    • 要除去使用聚焦离子束系统,该方法包括限定目标区域用于半导体器件的改进的平面解处理的方法和系统,所述目标区域包括一个混合的铜和半导体器件的电介质层的至少一部分。 引向目标区域中的前体气体; 和朝向引导在所述前体气体存在的目标区域中的聚焦的离子束,从而去除第一混合铜和介电层的至少一部分和在生产研磨的目标区域中的一致平滑地面。 所述前体气体使聚焦离子束铣削的铜以基本上相同的速率作为电介质。 在优选实施方案中,前体气体包括硝基乙酸甲酯。 在可替代的实施方案中,前体气体是乙酸甲酯,乙酸乙酯,硝基乙酸乙酯,乙酸丙酯,硝基乙丙酯,乙基硝基酯,甲基methoxyacetates,或甲氧基乙酰氯。