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    • 4. 发明公开
    • 이중 플라즈마 UTBOX
    • 双等级UTBOX
    • KR1020080056630A
    • 2008-06-23
    • KR1020070116194
    • 2007-11-14
    • 소이텍
    • 라두이오누트랑베르,오드리
    • H01L21/20H01L21/02
    • H01L21/2007Y10T428/265
    • A double plasma UTBOX(Ultra Thin Buried Oxide) is provided to reduce defects residing on a substrate and to increase the bonding energy obtained after plasma activation by bonding two substrates at oxygen atmosphere and at inert atmosphere. Two substrates are bonded through a thermal treatment. A bonded surface of a first substrate out of the two substrates includes an oxide layer. Plasma activation is performed at bonded surfaces of the two substrates. Plasma activation of the oxide layer is performed at atmosphere containing oxygen. Plasma activation of a bonded surface of a second substrate out of the two substrates is performed at inert atmosphere. The substrate including the oxide layer is a donor substrate for a layer transfer to a receiver substrate. The oxide layer is implemented by a thermal oxidation of the donor substrate. The transfer allows an SOI(Silicon On Insulator) structure to be implemented.
    • 提供了一种双等离子体UTBOX(Ultra Thin Buried Oxide),以减少残留在衬底上的缺陷,并且通过在氧气氛和惰性气氛下粘合两个衬底来增加等离子体激活后获得的结合能。 通过热处理结合两个基底。 两个基板中的第一基板的接合表面包括氧化物层。 在两个基板的接合表面上进行等离子体活化。 氧化物层的等离子体活化在含氧气氛下进行。 在惰性气氛下进行两个基板中的第二基板的接合表面的等离子体活化。 包括氧化物层的衬底是用于层转移到接收器衬底的施主衬底。 氧化层通过供体衬底的热氧化来实现。 该传输允许实现SOI(绝缘体上硅)结构。