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    • 46. 发明申请
    • METHOD OF MANUFACTURING PRINTED CIRCUIT BOARD
    • 制造印刷电路板的方法
    • US20090280239A1
    • 2009-11-12
    • US12425792
    • 2009-04-17
    • Shigenori MORITATakashi ODANaoko YOSHIDA
    • Shigenori MORITATakashi ODANaoko YOSHIDA
    • H05K3/00
    • H05K3/107H05K3/182H05K2203/0108H05K2203/0338H05K2203/0709
    • First, a catalyst for performing electroless plating in a subsequent step is caused to adhere to surfaces of uneven portions of a matrix. Next, an insulating layer made of a resin material is prepared. Then, the insulating layer is heated to be softened while the uneven portions of the matrix are pressed against one surface of the insulating layer. Thus, grooves corresponding to shapes of the uneven portions of the matrix are formed in the insulating layer while the catalyst is transferred to bottom surfaces and side surfaces of the grooves. The insulating layer is then subjected to electroless plating. In this case, metal is deposited by reduction reaction on portions of the insulating layer where the catalyst exists. Accordingly, conductor traces are formed in the grooves of the insulating layer.
    • 首先,在随后的步骤中进行无电镀的催化剂附着在基体的不均匀部分的表面。 接着,制备由树脂材料制成的绝缘层。 然后,将绝缘层加热软化,同时将基体的不均匀部分压在绝缘层的一个表面上。 因此,在催化剂转移到槽的底面和侧面的同时,在绝缘层中形成对应于矩阵的不平坦部分的形状的凹槽。 然后对绝缘层进行化学镀。 在这种情况下,通过还原反应将金属沉积在存在催化剂的绝缘层的部分上。 因此,导体迹线形成在绝缘层的沟槽中。