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    • 5. 发明申请
    • Multilayered printed wiring board and manufacturing method thereof
    • 多层印刷电路板及其制造方法
    • US20070102804A1
    • 2007-05-10
    • US10580198
    • 2004-12-09
    • Kensuke NakamuraTetsuro Sato
    • Kensuke NakamuraTetsuro Sato
    • B05D5/12
    • H05K3/4655H05K3/386H05K3/4652H05K2201/0195H05K2203/066Y10T428/12556Y10T428/12569Y10T428/12708Y10T428/24917
    • An object of the present invention is to provide a multi-layered printed wiring board which does not require roughening such as black oxide treatment and the like on inner layer circuits. For the purpose of achieving this object, there is adopted a multi-layered printed wiring board characterized by comprising a primer resin layer P comprising exclusively a resin between each inner layer circuit Ci formed without roughening and an insulating resin layer 5 of the multi-layered printed wiring board. The multi-layered printed wiring board is manufactured by taking the steps such as (a) a steps for producing a primer resin sheet with a carrier film including a 2 micron m to 12 micron m thick primer resin layer; (b) a steps for placing the primer resin sheet on the inner-layer circuit board in which the primer resin layer of the primer resin sheet with a carrier film is placed on the inner layer circuit board and then the carrier film is removed; (c) a steps for pressing in which a pre-preg and a metal foil for forming a conductive layer are superposed on the primer resin sheet, and pressed to form the multi-layered metal clad laminate; and (d) a steps for forming an outer layer circuit wherein the outer layer circuit is formed by etching the outer layer metal foil of the multi-layered metal clad laminate to make the multi-layered printed wiring board.
    • 本发明的目的是提供一种在内层电路上不需要诸如黑色氧化物处理等的粗糙化的多层印刷线路板。 为了实现该目的,采用了一种多层印刷电路板,其特征在于包括仅在不粗化形成的每个内层电路Ci和多层绝缘树脂层5之间仅包含树脂的底漆树脂层P 印刷线路板。 通过以下步骤制造多层印刷线路板:(a)用包含2微米至12微米厚的底漆树脂层的载体膜制备底漆树脂片的步骤; (b)将底漆树脂片放置在内层电路基板上的步骤,在该内层电路板上,将具有载体膜的底漆树脂片的底漆树脂层放置在内层电路板上,然后除去载体膜; (c)用于压制的步骤,其中用于形成导电层的预浸料和金属箔叠加在底漆树脂片上,并压制以形成多层金属包覆层压板; 以及(d)形成外层电路的步骤,其中通过蚀刻多层金属包覆层压板的外层金属箔形成外层电路以制造多层印刷电路板。
    • 7. 发明授权
    • Blade chain tensioner
    • 刀片链张紧器
    • US06364796B1
    • 2002-04-02
    • US09482223
    • 2000-01-13
    • Kensuke NakamuraRyohei AdachiNaosumi TadaShinji Tsuruta
    • Kensuke NakamuraRyohei AdachiNaosumi TadaShinji Tsuruta
    • F16H700
    • F16H7/08F16H2007/0804F16H2007/0872
    • A blade-type tensioner for chain drives which is suitable for use as a tensioner on the timing chain of a motor vehicle engine. The present invention is a chain tensioner particularly suited for use in confined spaces having a blade spring element mechanically interlocked with a plastic shoe. The shoe may be of rigid filled nylon and engages the chain to be tensioned. The spring element is interlocked to the plastic shoe by having ends inserted into grooves formed in the opposite ends of the shoe. The shoe is rotatably fixed to a base by way of a pin. The groove at the fixed end of the shoe extends towards the tip of the fixed end of the shoe past the pin attachment point. The groove at the free end of the shoe extends toward the tip of the free end of the shoe past the point at which the free end of the shoe bears upon a sliding surface formed on the base.
    • 一种用于链条驱动器的叶片式张紧器,其适合用作机动车辆发动机的正时链条上的张紧器。 本发明是一种特别适用于具有与塑料鞋机械联锁的叶片弹簧元件的密闭空间中的链条张紧器。 该鞋可以是刚性填充的尼龙并且与待张紧的链接合。 弹簧元件通过将端部插入形成在鞋的相对端中的槽中而与塑料鞋互锁。 鞋通过销可转动地固定在基座上。 鞋的固定端处的凹槽朝着穿过销连接点的鞋的固定端的尖端延伸。 鞋的自由端处的槽朝着鞋的自由端的尖端延伸穿过鞋的自由端承载在形成在底座上的滑动表面上的点。