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    • 4. 发明授权
    • Multilayered ceramic substrate and method of producing the same
    • 多层陶瓷基板及其制造方法
    • US06488795B1
    • 2002-12-03
    • US09654724
    • 2000-09-05
    • Norio Sakai
    • Norio Sakai
    • H05K346
    • H05K3/4629H01L21/4857H05K1/0306H05K3/4611Y10S428/901Y10T29/49163Y10T428/24926
    • A method of producing a multilayered ceramic substrate in which wiring conductors can be provided on both main surfaces and the density of the wiring conductors can be increased by a non-shrinkage process. In the producing method, a green composite laminated product in which metallic foils are arranged to cover both main surfaces of a green laminated structure comprising a plurality of ceramic green sheets on which conductive paste is coated for forming internal wiring conductors is burned. In this burning step, shrinkage of the ceramic green sheets is suppressed by the metallic foils in the direction of the main surfaces thereof. After burning, the metallic foils are patterned by etching based on photolithographic technology to form external conductor films.
    • 制造可以在两个主表面上设置布线导体并且可以通过非收缩工艺来增加布线导体的密度的多层陶瓷基板的制造方法。 在该制造方法中,生成金属箔被布置成覆盖包括多个陶瓷生片的生坯层叠结构的两个主表面的绿色复合层压制品,其上涂覆有导电浆料以形成内部布线导体的绿色复合层压制品被烧毁。 在该烧成工序中,金属箔沿其主表面方向抑制陶瓷生片的收缩。 燃烧后,通过基于光刻技术的蚀刻将金属箔图案化,以形成外部导体膜。
    • 5. 发明授权
    • Multilayer combined rigid/flex printed circuit board containing flexible soldermask
    • 多层组合刚性/柔性印刷电路板包含柔性焊接掩模
    • US06350387B2
    • 2002-02-26
    • US09260198
    • 1999-03-01
    • A. Roland CaronSandra L. JeanJames E. KeatingRobert S. LarmouthLee J. Millette
    • A. Roland CaronSandra L. JeanJames E. KeatingRobert S. LarmouthLee J. Millette
    • H05K346
    • H05K3/4691H05K3/0023H05K3/28H05K2203/0759
    • A multilayer rigid flex printed circuit board wherein the board laminate comprises a basestock composite containing a flexible core, formed by laminating a first conductive layer to a flexible insulator layer, a second insulator layer affixed to the basestock, said second insulator layer having a cutout region proximate to the flexible core of the basestock composite to expose a portion of said first conducting layer on said flexible core, a second conductive layer attached to said second insulator layer said second conductive layer having a cutout region proximate to the flexible core of the basestock composite, and a photo-imageable soldermask applied to the exposed portion said first conducting layer, and to the second conductive layer, wherein said photoimageable soldermask allows for photo definition of openings on the conductive layers to which it is applied.
    • 一种多层刚性柔性印刷电路板,其中所述板层叠体包括通过将第一导电层层压到柔性绝缘体层上而形成的包含柔性芯的基础材料复合体,固定到所述基础材料上的第二绝缘体层,所述第二绝缘体层具有切除区域 靠近所述基础复合材料的柔性芯以暴露所述柔性芯上的所述第一导电层的一部分,附着到所述第二绝缘体层的第二导电层,所述第二导电层具有靠近所述基础复合材料的柔性芯的切除区域 以及施加到所述第一导电层的暴露部分的光可成像焊接掩模,以及第二导电层,其中所述可光成像的焊接掩模允许在其所施加的导电层上的开口的照片定义。