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    • 2. 发明申请
    • METHOD FOR PRODUCING MULTILAYERED WIRING SUBSTRATE, MULTILAYERED WIRING SUBSTRATE, AND ELECTRONIC APPARATUS
    • 生产多层配线基板,多层布线基板和电子设备的方法
    • US20090071706A1
    • 2009-03-19
    • US12191358
    • 2008-08-14
    • Tsuyoshi SHINTATEToshimitsu HIRAIJun YAMADA
    • Tsuyoshi SHINTATEToshimitsu HIRAIJun YAMADA
    • H05K1/11B32B37/14
    • H05K3/4664H05K1/185H05K3/125H05K2201/015H05K2203/013H05K2203/0759H05K2203/1173
    • A method for producing a multilayered wiring substrate includes forming a lyophobic area on a first conductive layer, forming an insulating layer with an opening portion on the first conductive layer by applying a functional liquid containing an insulating layer forming material on a periphery of the lyophobic area, laminating the first conductive layer and a second conductive layer via the insulating layer, and electrically connecting the first and the second conductive layers to each other via the opening portion formed in the insulating layer. In the method, when forming the insulating layer, the functional liquid is applied such that an angle of a portion of the functional liquid in contact with the lyophobic area becomes larger than a forward contact angle of the functional liquid, thereby allowing a position of the portion of the functional liquid in contact with the lyophobic area to move inside the lyophobic area to form the opening portion having an opening size smaller than a size of the lyophobic area.
    • 一种多层布线基板的制造方法,其特征在于,在第一导电层上形成疏液区域,在所述疏液性区域的周围涂布含有绝缘层形成材料的功能性液体,在所述第一导电层上形成具有开口部的绝缘层 经由所述绝缘层层压所述第一导电层和第二导电层,并且经由形成在所述绝缘层中的所述开口部将所述第一导电层与所述第二导电层电连接。 在该方法中,当形成绝缘层时,施加功能液体,使得与疏液区域接触的功能液体的一部分的角度大于功能液体的向前接触角,从而允许 功能液体与疏液区域接触的部分在疏液区域内移动以形成具有小于疏液区域的开口尺寸的开口部分。