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    • 6. 发明授权
    • Printed wiring board, its manufacturing method, and circuit device
    • 印刷电路板,其制造方法和电路装置
    • US07495177B2
    • 2009-02-24
    • US10581880
    • 2004-12-02
    • Tatsuo KataokaYoshikazu AkashiYutaka Iguchi
    • Tatsuo KataokaYoshikazu AkashiYutaka Iguchi
    • H05K1/03
    • H05K3/06H05K3/002H05K3/26H05K3/388H05K2201/0338H05K2201/0761H05K2203/1476
    • A printed wiring board manufacturing process comprises forming a conductive metal layer on at least one surface of an insulating film with a sputtered metal layer in between, selectively etching the conductive metal layer and the sputtered metal layer to produce a wiring pattern, treating the laminated film with a first treatment liquid capable of dissolving nickel of the sputtered metal layer, and treating with a second treatment liquid capable of dissolving chrome of the sputtered metal layer and also capable of eliminating the sputtered metal layer in the insulating film to remove a superficial surface of the insulating film exposed from the wiring pattern together with the residual sputtered metals in the superficial surface. A printed wiring board comprises an insulating film and a wiring pattern, wherein the insulating film in an area exposed from the wiring pattern has a thickness smaller by 1 to 100 nm than that of an area under the wiring pattern. The process eliminates the sputtered metals combined with the insulating film together with the superficial surface of the insulating film, and therefore the insulating film surface between wires does not contain any residual metals and a short circuit between wires is prevented.
    • 印刷电路板的制造方法包括在绝缘膜的至少一个表面上形成导电金属层,其间具有溅射金属层,选择性地蚀刻导电金属层和溅射金属层以产生布线图案,处理层叠膜 使用能够溶解溅射金属层的镍的第一处理液,并且用能够溶解溅射金属层的铬的第二处理液进行处理,并且还能够消除绝缘膜中的溅射金属层以去除表面的表面 所述绝缘膜与所述布线图案一起暴露在所述表面的残余溅射金属。 印刷布线板包括绝缘膜和布线图案,其中从布线图案露出的区域中的绝缘膜的厚度比布线图案下面的区域的厚度小1〜100nm。 该工艺消除了与绝缘膜结合的溅射金属以及绝缘膜的表面,因此导线之间的绝缘膜表面不含有任何残余金属,并且防止了导线之间的短路。
    • 7. 发明申请
    • Printed wiring board, its manufacturing method and circuit device
    • 印刷电路板,其制造方法和电路装置
    • US20070101571A1
    • 2007-05-10
    • US10580948
    • 2004-12-02
    • Tatsuo KataokaYoshikazu AkashiYutaka Iguchi
    • Tatsuo KataokaYoshikazu AkashiYutaka Iguchi
    • H05K3/00
    • H05K3/06H05K3/381H05K3/388H05K2201/0338H05K2201/098Y10T29/49124Y10T29/49155Y10T29/5164
    • [Solution means] A process for producing a printed wiring board comprises the steps of depositing a base metal on at least one surface of an insulating film to form a base metal layer and further depositing copper or a copper alloy to form a conductive metal layer, then removing a surface metal layer, which is formed through the above step, by etching to form a wiring pattern, and then treating the base metal layer with a treating liquid capable of dissolving and/or passivating the metal that forms the base metal layer. The printed wiring board so provided comprises an insulating film and a wiring pattern formed on at least one surface of the insulating film, the wiring pattern including a base metal layer deposited on the insulating film surface and a conductive metal layer, the base metal layer for forming the wiring pattern protrudes in a widthwise direction more than the conductive metal layer for forming the wiring pattern.
    • [解决方案]印刷电路板的制造方法包括以下步骤:在绝缘膜的至少一个表面上沉积贱金属以形成贱金属层,并进一步沉积铜或铜合金以形成导电金属层, 然后通过蚀刻去除通过上述步骤形成的表面金属层以形成布线图案,然后用能够溶解和/或钝化形成基底金属层的金属的处理液处理基底金属层。 所提供的印刷电路板包括绝缘膜和形成在绝缘膜的至少一个表面上的布线图案,布线图案包括沉积在绝缘膜表面上的基底金属层和导电金属层,所述基底金属层用于 形成布线图案比形成布线图案的导电金属层的宽度方向突出。
    • 8. 发明授权
    • Film carrier tape for mounting electronic devices thereon
    • 用于在其上安装电子设备的胶片载带
    • US07060364B2
    • 2006-06-13
    • US10745403
    • 2003-12-23
    • Tatsuo KataokaYoshikazu Akashi
    • Tatsuo KataokaYoshikazu Akashi
    • B32B15/00
    • H05K3/388H01L2924/0002H05K1/0393H05K3/244Y10T428/12493Y10T428/24917Y10T428/2804H01L2924/00
    • A film carrier tape for mounting electronic components or devices that excels in not only migration resistance but also adhesiveness of wiring to insulating film; and a process for producing the same. The film carrier tape for mounting electronic components or devices has seed layer comprising a zinc layer superimposed on a treated surface of insulating film and a nickel base metal layer superimposed on a surface of a zinc layer, or comprising a layer of alloy containing elemental nickel and elemental zinc in specified proportion, superimposed on a treated surface of insulating film). In the film carrier tape for mounting electronic components or devices, at least part of a region extending across a width of wiring from an edge side thereof to the treated surface of the insulating film may be continuously covered with a zinc coating layer comprising elemental zinc.
    • 一种胶片载带,用于安装不仅具有耐迁移性的电子元件或器件,而且还具有绝缘膜布线的粘合性; 及其制造方法。 用于安装电子部件或装置的胶片载带具有包含叠加在绝缘膜的处理表面上的锌层和叠加在锌层表面上的镍基金属层的种子层,或者包含含有元素镍的合金层和 元素锌以特定比例叠加在绝缘膜的处理表面上)。 在用于安装电子部件或装置的胶片载带中,可以用包含元素锌的锌涂层连续地覆盖从其边缘侧到绝缘膜的处理表面延伸的布线宽度的区域的至少一部分。