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    • 4. 发明公开
    • PRINTED WIRING BOARD AND METHOD FOR MANUFACTURING PRINTED WIRING BOARD
    • LEERRPLATTE UND VERFAHREN ZUR HERSTELLUNG EINER LEITERPLATTE
    • EP3148301A1
    • 2017-03-29
    • EP15795735.8
    • 2015-05-12
    • Sumitomo Electric Printed Circuits, Inc.
    • MIURA, KousukeKIYA, SatoshiUEHARA, Sumito
    • H05K3/42H05K3/38
    • H05K1/115H05K1/0313H05K1/034H05K1/09H05K3/381H05K3/4084H05K3/423H05K3/429H05K3/4611H05K3/4661H05K2201/09509H05K2203/072
    • An object of the present invention is to provide a printed wiring board in which conductive layers formed on two surfaces of a base layer that contains a fluororesin as a main component are reliably connected to each other through a via-hole. A printed wiring board according to an embodiment of the present invention includes a base layer containing a fluororesin as a main component, a first conductive layer stacked on one surface of the base layer, a second conductive layer stacked on the other surface of the base layer, and a via-hole that is formed along a connection hole penetrating the base layer and at least one of the first conductive layer and the second conductive layer in a thickness direction and that electrically connects the first conductive layer and the second conductive layer to each other. At least a part of an inner circumferential surface of the base layer in the connection hole has a pre-treated surface having a content ratio of oxygen atoms or nitrogen atoms of 0.2 atomic percent or more.
    • 本发明的目的是提供一种印刷电路板,其中形成在基层的形成有以氟树脂为主要成分的两个表面上的导电层通过通孔彼此可靠地连接。 根据本发明实施例的印刷电路板包括以氟树脂为主要成分的基层,层叠在基层的一个表面上的第一导电层,层叠在基层的另一个表面上的第二导电层 以及沿厚度方向穿过基底层和第一导电层和第二导电层中的至少一个的连接孔形成的通孔,并且将第一导电层和第二导电层电连接到每个 其他。 连接孔中的基底层的内周面的至少一部分具有氧原子或氮原子的含有比例为0.2原子%以上的预处理表面。
    • 8. 发明公开
    • PRINTED WIRING BOARD AND METHOD FOR MANUFACTURING PRINTED WIRING BOARD
    • LEITERPLATTE UND VERFAHREN ZUR HERSTELLUNG EINER LEITERPLATTE
    • EP3148301A4
    • 2017-09-27
    • EP15795735
    • 2015-05-12
    • SUMITOMO ELECTRIC PRINTED CIRCUITS INC
    • MIURA KOUSUKEKIYA SATOSHIUEHARA SUMITO
    • H05K3/38H05K1/03H05K3/42H05K3/46
    • H05K1/115H05K1/0313H05K1/034H05K1/09H05K3/381H05K3/4084H05K3/423H05K3/429H05K3/4611H05K3/4661H05K2201/09509H05K2203/072
    • An object of the present invention is to provide a printed wiring board in which conductive layers formed on two surfaces of a base layer that contains a fluororesin as a main component are reliably connected to each other through a via-hole. A printed wiring board according to an embodiment of the present invention includes a base layer containing a fluororesin as a main component, a first conductive layer stacked on one surface of the base layer, a second conductive layer stacked on the other surface of the base layer, and a via-hole that is formed along a connection hole penetrating the base layer and at least one of the first conductive layer and the second conductive layer in a thickness direction and that electrically connects the first conductive layer and the second conductive layer to each other. At least a part of an inner circumferential surface of the base layer in the connection hole has a pre-treated surface having a content ratio of oxygen atoms or nitrogen atoms of 0.2 atomic percent or more.
    • 本发明的一个目的是提供一种印刷线路板,其中在包含氟树脂作为主要成分的基层的两个表面上形成的导电层通过通孔彼此可靠地连接。 根据本发明实施例的印刷线路板包括:含有氟树脂作为主要组分的基层,堆叠在基层的一个表面上的第一导电层,堆叠在基层的另一个表面上的第二导电层 以及通孔,其沿着贯通所述基底层以及所述第一导电层和所述第二导电层中的至少一个的厚度方向的连接孔形成,并且将所述第一导电层和所述第二导电层分别电连接到 其他。 连接孔内的基底层的内周面的至少一部分具有氧原子或氮原子的含有比例为0.2原子%以上的预处理面。