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    • 4. 发明授权
    • Optical module
    • 光模块
    • US06789956B2
    • 2004-09-14
    • US10326239
    • 2002-12-19
    • Hideki IwakiYutaka TaguchiTetsuyosi Ogura
    • Hideki IwakiYutaka TaguchiTetsuyosi Ogura
    • G02B636
    • G02B6/4224G02B6/4243G02B6/4257G02B6/4267G02B6/4274H01L2224/16225H01L2924/15311
    • An optical module of the present invention is provided with a substrate that includes an insulating layer, a passive element provided inside or on the surface of the insulating layer, and terminal electrodes formed on the surface of the insulating layer, and with at least one active element, which includes at least an optical element and is connected to the terminal electrodes on the substrate surface. The passive element has a dielectric layer, a resistive layer, or a magnetic layer, at least one of the terminal electrodes is connected to the passive element, and at least one of the at least one active element has a protruding electrode and is flip-chip mounted to the terminal electrodes on a principle face of the substrate via the protruding electrode. Taking a plane parallel to the principle face of the substrate as a projection plane, then an area of orthographic projection of the dielectric layer, the resistive layer, or the magnetic layer is smaller than an area of orthographic projection of the principle face of the substrate, and the dielectric layer, the resistive layer, or the magnetic layer is formed such that the orthographic projection, with respect to the projection plane, of all the protruding electrodes of the at least one active element that is flip-chip mounted to the principle face of the substrate is included in the orthographic projection of the dielectric layer, the resistive layer, or the magnetic layer. Thus, the optical module has good high frequency properties and the optical element can be mounted stably onto the substrate.
    • 本发明的光学模块设置有基板,该基板包括绝缘层,设置在绝缘层的内部或表面上的无源元件,以及形成在绝缘层的表面上的端子电极,以及至少一个主动 元件,其至少包括光学元件并且连接到衬底表面上的端子电极。 无源元件具有电介质层,电阻层或磁性层,至少一个端子电极连接到无源元件,并且至少一个有源元件中的至少一个具有突出电极, 芯片通过突出电极安装到基板的原理面上的端子电极。 将平行于基板的原理面的平面作为投影平面,则介电层,电阻层或磁性层的正投影的面积小于基板的主面的正投影面积 并且形成电介质层,电阻层或磁性层,使得相对于投影平面的至少一个有源元件的所有突起电极的正投影按照原理被倒装安装 基板的表面包括在电介质层,电阻层或磁性层的正投影中。 因此,光学模块具有良好的高频特性,光学元件可以稳定地安装在基板上。