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    • 92. 发明专利
    • Method of manufacturing wiring circuit board
    • 制造电路板的方法
    • JP2006313834A
    • 2006-11-16
    • JP2005136038
    • 2005-05-09
    • Nitto Denko Corp日東電工株式会社
    • JO KISOOMIYAKE YASUFUMIMOTOGAMI MITSURU
    • H05K3/28H05K1/02H05K9/00
    • H05K1/0218H05K3/281H05K3/4644H05K2203/066Y10T29/49126Y10T29/49128Y10T29/49155Y10T156/11
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a wiring circuit board wherein a pin hole is prevented from forming in a resin layer on an electromagnetic wave shield layer. SOLUTION: A grounding wiring layer 2a and a signal wiring layer 2b are formed on a base insulating layer 1. A cover insulating layer 3 is formed on the base insulating layer 1 with an adhesive layer in between, in a manner to cover the ground wiring layer 2a and the signal wiring layer 2b excluding a partly area on the grounding wiring layer 2a. An electromagnetic wave shield layer 4 is formed on a partly area on the grounding wiring layer 2a and the cover insulating layer 3. On the other hand, a resin solution is applied onto a mold releasing sheet 6 and it is dried, thereby forming a transfer sheet formed of a resin layer 5 and the mold releasing sheet 6. Then, the surface of the resin layer 5 is laid on the upper surface of the electromagnetic wave shield layer 4, and the whole body is heated and pressed to laminate the transfer sheet on the electromagnetic wave shield layer 4. The mold releasing sheet 6 is peeled off thereafter. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种制造布线电路板的方法,其中防止在电磁波屏蔽层上的树脂层中形成针孔。 解决方案:接地布线层2a和信号布线层2b形成在基底绝缘层1上。覆盖绝缘层3以覆盖层的方式在其上具有粘合层形成在基底绝缘层1上 接地布线层2a和除了接地布线层2a的部分区域之外的信号布线层2b。 在接地配线层2a和覆盖绝缘层3的一部分区域上形成有电磁波屏蔽层4.另一方面,将树脂溶液涂布在脱模片6上并干燥,形成转印 由树脂层5和脱模片6形成的片材。然后,将树脂层5的表面铺设在电磁波屏蔽层4的上表面上,并且将整体加热并压制以将转印片 在电磁波屏蔽层4上剥离脱模片6。 版权所有(C)2007,JPO&INPIT