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    • 64. 发明授权
    • Methods of fabrication of coaxial vias and magnetic devices
    • 同轴通孔和磁性器件的制造方法
    • US5898991A
    • 1999-05-04
    • US783738
    • 1997-01-16
    • Keith Edward FogelJeffrey Curtis HedrickDavid Andrew LewisEva E. SimonyiAlfred ViehbeckStanley Joseph Whitehair
    • Keith Edward FogelJeffrey Curtis HedrickDavid Andrew LewisEva E. SimonyiAlfred ViehbeckStanley Joseph Whitehair
    • H01F27/28H01F41/04H05K3/40H05K3/44H01F7/06
    • H01F41/046H01F27/2804H05K3/445H05K2201/09881H05K3/4046Y10T29/4902
    • Methods are described for fabricating devices having vias containing more than one electrical conductor, in particular coaxial electrical conductors. A plurality of wires are bonded to a first substrate, such as a copper wire to a copper substrate. A second substrate having through-holes with side walls covered with an electrical conductor is disposed over the first substrate so that the wires are within the through-holes and spaced apart from the side walls. The first substrate is spaced apart from the second substrate by dielectric spacers. A polymer is injected into the space between the first and second substrates to provide electrical isolation therebetween. A polymer is injected into the space in the via between the elongated conductors and the conductive sidewall to provide dielectric isolation therebetween. The second substrate has electrically conductive pattern on both sides which are electrically interconnected by the electrically conductive sidewall to form an inner coil of electrical conductors. The first substrate is patterned to form an electrical conductive pattern. A pattern of electrical conductors is formed on the dielectric material on the side of the second substrate opposite the patterned first substrate and is electrically connected therewith through the elongated conductors on the through-hole to form an outer coil of electrical conductors around the inner coil of electrical conductors to from a transformer or an inductor.
    • 描述了用于制造具有包含多于一个电导体,特别是同轴电导体的通孔的器件的方法。 多根导线被接合到诸如铜线的第一基底到铜基底上。 具有覆盖有电导体的侧壁的通孔的第二基板设置在第一基板上,使得电线在通孔内并与侧壁间隔开。 第一衬底通过介电间隔物与第二衬底间隔开。 将聚合物注入到第一和第二基板之间的空间中以在它们之间提供电隔离。 将聚合物注入到细长导体和导电侧壁之间的通孔中的空间中,以在它们之间提供电介质隔离。 第二衬底在两侧上具有导电图案,其通过导电侧壁电互连以形成电导体的内部线圈。 图案化第一衬底以形成导电图案。 在第二基板的与图案化的第一基板相对的一侧上的电介质材料上形成电导体的图案,并且通过通孔上的细长导体与其电连接,以形成围绕内部线圈的电导体的外部线圈 电导体来自变压器或电感器。