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Browsing by Author "LIU Taochi"

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    Electrical Connecting Element and Method for Manufacturing the Same
    (2014-08-07)
    CHEN Chih
    ;
    LIU Taochi
    ;
    HUANG Yi-Sa
    ;
    LIU Chien-Min
    An electrical connecting element for connecting a first substrate and a second substrate and a method for manufacturing the same are disclosed. The method of the present invention comprises: (A) providing a first substrate and a second substrate, wherein a first copper film is formed on the first substrate, a first metal film is formed on the second substrate, a first connecting surface of the first copper film has a (111)-containing surface, and the first metal film has a second connecting surface; and (B) connecting the first copper film and the first metal film to form an interconnect, wherein the first connecting surface of the first copper film is faced to the second connecting surface of the first metal film.
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    Electrodeposited Nano-Twins Copper Layer and Method of Fabricating the Same
    (2013-05-16)
    CHEN Chih
    ;
    TU King-Ning
    ;
    LIU Taochi
    An electrodeposited nano-twins copper layer, a method of fabricating the same, and a substrate comprising the same are disclosed. According to the present invention, at least 50% in volume of the electrodeposited nano-twins copper layer comprises plural grains adjacent to each other, wherein the said grains are made of stacked twins, the angle of the stacking directions of the nano-twins between one grain and the neighboring grain is between 0 to 20 degrees. The electrodeposited nano-twins copper layer of the present invention is highly reliable with excellent electro-migration resistance, hardness, and Young's modulus. Its manufacturing method is also fully compatible to semiconductor process.