Connecting member of a circuit substrate and method of manufacturing
multilayer circuit substrates by using the same
    3.
    发明授权
    Connecting member of a circuit substrate and method of manufacturing multilayer circuit substrates by using the same 失效
    电路基板的连接部件和使用该电路基板的多层电路基板的制造方法

    公开(公告)号:US6108903A

    公开(公告)日:2000-08-29

    申请号:US582930

    申请日:1996-01-04

    摘要: A connecting member of circuit substrates includes an organic porous base material provided with tackfree films on both sides, through-holes disposed at requested places which are filled with conductive resin compound up to the surface of the tackfree films. This structure enables inner-via-hole connection and can therefore attain a connecting member of circuit substrates and an electrical connector of high reliability and high quality. By using a connecting member of circuit substrates including the organic porous base material provided with tackfree films on both sides and through-holes disposed at requested places which are filled with conductive resin compound up to the surface of the tackfree films, it is possible to form a high-multilayer substrate easily from double sided boards or four-layer substrates which can be manufactured rather stably. In addition to that, since the conductive paste is filled up to the surface of the tackfree films, the conductive paste sticks out from the surface of the organic porous base material when the tackfree films are separated. As a result, the filled amount of the conductive substance increases after the lamination, and thus, the connection resistance is reduced considerably.

    摘要翻译: 电路基板的连接构件包括在两侧设置有无粘性薄膜的有机多孔基材,设置在要求位置的通孔,其填充有导电树脂组合物直到无粘膜的表面。 这种结构能够实现内通孔连接,从而可以获得电路基板的连接构件和高可靠性和高质量的电连接器。 通过使用包括在两侧设置有无粘膜的有机多孔基材的电路基板的连接构件,以及设置在填充有导电树脂组合物的所需位置的通孔,直到无粘膜的表面,可以形成 来自可以制造得相当稳定的双面板或四层基板的高多层基板。 除此之外,由于导电膏被填充到无粘性膜的表面,所以当无粘性膜分离时,导电糊从有机多孔基材的表面突出出来。 结果,在层压之后导电物质的填充量增加,因此连接电阻显着降低。

    Conductive paste composition for via hole filling and printed circuit
board using the same
    10.
    发明授权
    Conductive paste composition for via hole filling and printed circuit board using the same 失效
    用于通孔填充的导电糊组合物和使用其的印刷电路板

    公开(公告)号:US6096411A

    公开(公告)日:2000-08-01

    申请号:US38625

    申请日:1998-03-12

    摘要: The invention related to a paste for via hole filling which enables inner via hole connection between electrode layers without employing through hole plating techniques, and a multi-layered printed circuit board using the same. The conductive paste composition of the invention comprises a) 70-90 wt % of copper particles of an average particle size of 0.5-8 .mu.m; b) 0.5-15 wt % of insulating particles of an average particle size of 8-20 .mu.m; and, c) 6-17 wt % of heat setting type liquid epoxy resin, in order to exhibit low viscosity and low volatility. The conductive paste is printed and filled into through holes passing through a laminated substrate which is provide with copper foils on both sides thereof, to form a printed circuit board in which the via holes are electrically connected after thermosetting. By adding insulating particles of large particle size, the amount of copper particles to be added is decreased so that a via hole connection of low specific resistance and high reliability is obtained, and improvements in a decrease of viscosity and continuous printability of the paste itself can be achieved.

    摘要翻译: 本发明涉及一种用于通孔填充的糊剂,其能够在不使用通孔电镀技术的情况下实现电极层之间的内部通孔连接,以及使用该糊状物的多层印刷电路板。 本发明的导电糊组合物包含a)70-90重量%的平均粒径为0.5-8μm的铜颗粒; b)0.5-15重量%的平均粒径为8-20μm的绝缘颗粒; 和c)6-17重量%的热固定型液体环氧树脂,以显示低粘度和低挥发性。 将导电性糊料印刷填充到通过其两侧设置有铜箔的层叠基板的通孔中,形成印刷电路基板,其中通孔在热固化后电连接。 通过添加大粒径的绝缘粒子,可以减少添加的铜粒子的量,从而获得低电阻率和高可靠性的通孔连接,并且可以提高糊剂本身的粘度和连续印刷性的降低 实现。