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    • 6. 发明申请
    • Method of fabricating multi-layered printed circuit board for optical waveguides
    • 制造光波导多层印刷电路板的方法
    • US20060182385A1
    • 2006-08-17
    • US11401915
    • 2006-04-12
    • Young-Woo KimYoung-Sang ChoDek-Gin YangKyu-Hyok Yim
    • Young-Woo KimYoung-Sang ChoDek-Gin YangKyu-Hyok Yim
    • G02B6/12
    • G02B6/43G02B6/3608G02B6/4201G02B6/4214G02B6/428H05K1/0274H05K3/4611H05K2203/063Y10T29/49117Y10T29/49126Y10T29/49128Y10T29/4913Y10T29/49155Y10T156/1064
    • Disclosed is a method of fabricating a multi-layered PCB, in which the optical waveguide component is inserted into the PCB in such a way that a prepreg adhesive does not block an optical signal entrance of the optical waveguide. The method comprises pre-routing a portion of an adhesive meeting the optical waveguide to remove said portion, processing an adhesive weeping prevention layer so as to prevent the adhesive from blocking the optical signal entrance of the optical waveguide, arranging the optical waveguide, the adhesive, and the adhesive weeping prevention layer on a copper clad laminate, and combining the optical waveguide, a prepreg, and the adhesive weeping prevention layer with each other into a single structure. The adhesive weeping prevention layer is selected from the group consisting of a prepreg, a single-sided copper clad laminate, a thermally curable resin, a heat spreader, and an unclad. Therefore, the method is advantageous in that the prepreg and the adhesive weeping prevention layer are pre-routed to prevent epoxy resin from blocking the optical signal entrance of the optical waveguide, thereby facilitating precise interfacing of optical signals.
    • 公开了一种制造多层PCB的方法,其中将光波导部件插入到PCB中,使得预浸胶粘合剂不阻挡光波导的光信号入口。 该方法包括预先路由满足光波导的粘合剂部分以去除所述部分,处理粘合剂防止漏水层,以防止粘合剂阻挡光波导的光信号入口,布置光波导,粘合剂 和覆铜层压板上的粘合剂防止层,并将光波导,预浸料和粘合剂防止层彼此组合成单一结构。 粘合防止层选自预浸料,单面覆铜层压板,热固化树脂,散热器和未包覆层。 因此,该方法的优点在于预浸布和粘合剂防止漏水层被预先布线以防止环氧树脂阻挡光波导的光信号入口,从而有助于光信号的精确接口。