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    • 3. 发明授权
    • Method for manufacturing printed-circuit board
    • 印刷电路板制造方法
    • US06890449B2
    • 2005-05-10
    • US10048927
    • 2001-06-05
    • Eiji KawamotoShigeru YamaneToshiaki TakenakaToshihiro Nishii
    • Eiji KawamotoShigeru YamaneToshiaki TakenakaToshihiro Nishii
    • H05K1/11H05K3/00H05K3/40H01K13/00H05K3/36
    • H05K3/4069H05K2201/0355H05K2201/09827H05K2201/09845H05K2203/0191H05K2203/1461Y10T29/49126
    • A method of manufacturing a PCB comprising the steps of: forming through-holes in a substrate having releasing layers on front and back faces; filling conductive paste in the through-holes; removing the releasing layers and disposing metal foil on both faces of the substrate; and heat pressing them. A diameter of the through-holes is larger than that of corresponding holes formed on the releasing layers. According to the present invention, when the conductive paste is compressed, conductive paste protruding from the surface of the substrate is trapped at the edges of the through-holes. This configuration prevents short circuits with undesirable wiring patterns. So, an enough amount of the conductive paste can protrude from the surface of the substrate. Therefore, after the compression, stable electric connections inside the conductive paste and between the conductive paste and the metal foils are ensured, thus PCBs with superior reliability can be produced.
    • 一种制造PCB的方法,包括以下步骤:在前面和背面上形成具有释放层的衬底中的通孔; 在通孔中填充导电膏; 去除释放层并在金属箔的两个面上设置金属箔; 并热压它们。 通孔的直径大于形成在释放层上的相应孔的直径。 根据本发明,当导电膏被压缩时,从基板的表面突出的导电糊被截留在通孔的边缘。 这种配置可以防止出现不良布线图形的短路。 因此,足够量的导电膏可以从基板的表面突出。 因此,在压缩之后,确保导电浆料内部和导电性糊料与金属箔之间的稳定的电连接,从而可以制造出具有高可靠性的PCB。
    • 10. 发明授权
    • Method of manufacturing printed circuit board
    • 制造印刷电路板的方法
    • US06523258B2
    • 2003-02-25
    • US09799812
    • 2001-03-07
    • Eiji KawamotoShigeru YamaneToshiaki Takenaka
    • Eiji KawamotoShigeru YamaneToshiaki Takenaka
    • H05K302
    • H05K3/4069H05K3/0032H05K2201/0355H05K2203/0191H05K2203/1461Y10T29/49117Y10T29/49155Y10T29/49156Y10T29/49163Y10T29/49165
    • A method of performing a printed circuit board including the steps of: (a) disposing a first release film on the surface of a substrate and a second release film on the back of the substrate; (b) forming a through-hole in the first release film, the second release film, and the substrate; (c) filling conductive paste into a through-hole; (d) removing the first release film and the second release film from the substrate with the through-hole filled with the conductive paste; (e) placing a first metallic member on the surface of the substrate with the release films removed and placing a second metallic member on the back of the substrate; (f) compressing under heat the substrate with the first metallic member and the second metallic member disposed thereon; and (g) forming a desired circuit pattern on the first metallic member and the second metallic member.
    • 一种执行印刷电路板的方法,包括以下步骤:(a)在基板的表面上设置第一剥离膜和在基板的背面设置第二剥离膜; (b)在第一脱模膜,第二剥离膜和基材中形成通孔; (c)将导电膏填充到通孔中; (d)使填充有导电糊的通孔从基板上除去第一剥离膜和第二剥离膜; (e)将第一金属构件放置在基板的表面上,同时移除释放膜并将第二金属构件放置在基板的背面上; (f)在第一金属构件和设置在其上的第二金属构件的基板上加热压缩; 和(g)在第一金属构件和第二金属构件上形成期望的电路图案。