PROCESS FOR PRODUCING CERAMIC SUBSTRATE, AND CERAMIC SUBSTRATE
    36.
    发明公开
    PROCESS FOR PRODUCING CERAMIC SUBSTRATE, AND CERAMIC SUBSTRATE 有权
    VERFAHREN ZUR HERSTELLUNG EINES KERAMIKSUBSTRATS

    公开(公告)号:EP1873131A1

    公开(公告)日:2008-01-02

    申请号:EP06730501.1

    申请日:2006-03-29

    IPC分类号: C04B35/64 B28B11/10 H05K3/46

    摘要: Provided is a process for producing a multilayered ceramic substrate, with which a ceramic substrate having a step portion of a desired shape can be efficiently produced without requiring complicated producing process steps and equipments, as well as a multilayered ceramic substrate having high form precision produced by the process.
    An auxiliary-layer-lined unfired ceramic body 11, which is provided in a principal surface thereof with a step portion 15, has an unfired ceramic body 10 and an auxiliary layer 20 which is adhered to one principal surface of the unfired ceramic body 10 and which is made of a material substantially unsinterable at a temperature at which the unfired ceramic body 10 is fired. The auxiliary-layer-lined unfired ceramic body is fired at a temperature at which the unfired ceramic body is sinterable but the auxiliary layer is substantially unsinterable, while the auxiliary layer remains adhered to the unfired ceramic body.
    Pressing operation is performed by using a die 30 having a projection 22 placed on the side of the auxiliary-layer-lined unfired ceramic body retaining the auxiliary layer, so that the step portion (recess) 15(15a), having a shape corresponding to the outer shape of the die projection 22, is formed in the side of the auxiliary-layer-lined unfired ceramic body retaining the auxiliary layer.

    摘要翻译: 提供一种多层陶瓷基板的制造方法,能够高效率地制造具有期望形状的台阶部的陶瓷基板,而不需要复杂的制造工序和设备,以及具有高成形精度的多层陶瓷基板,其由 的过程。 在其主表面设置有台阶部15的辅助层衬里的未烧结陶瓷体11具有未烧结的陶瓷体10和辅助层20,该辅助层20附着在未烧结的陶瓷体10的一个主表面上, 其由在未烧结的陶瓷体10被烧制的温度下基本上不可反应的材料制成。 辅助层衬里的未烧结陶瓷体在未煅烧的陶瓷体是可烧结的温度下烧制,但是辅助层基本上是不可克服的,而辅助层保持粘附到未焙烧的陶瓷体上。 通过使用具有放置在保持辅助层的辅助层衬里的未烧结陶瓷体侧的突起22的模具30进行压制操作,使得具有对应于 模具突起22的外形形成在保持辅助层的辅助层衬里的未烧结陶瓷体的侧面。