Stock material or miscellaneous articles – Composite – Of polyimide
Reexamination Certificate
2006-07-25
2006-07-25
Feely, Michael J. (Department: 1712)
Stock material or miscellaneous articles
Composite
Of polyimide
C428S457000, C428S458000, C428S901000, C427S096100, C427S118000, C427S123000, C427S125000, C427S302000, C427S304000, C427S404000, C427S407100
Reexamination Certificate
active
07081304
ABSTRACT:
The present invention aims to provide a surface-conductive resin suitable for wiring boards, and the like, a process for forming the resin efficiently, and a wiring board using the surface-conductive resin. The surface-conductive resin according to the present invention is formed by selectively generating reactive groups capable of substitution under alkaline conditions on the resin surface, bringing the reactive groups into contact with an alkaline solution so that part of the reactive groups are substituted by alkali metal ions, bringing the substituted parts by the alkali metal ions into contact with ions of a conductive material so that the alkali metal ions are substituted by ions of the conductive material, and reducing the ions of the conductive material so that the conductive material deposits on the resin surface.
REFERENCES:
patent: 6709806 (2004-03-01), Hotta et al.
patent: 6899999 (2005-05-01), Hiraoka et al.
patent: 9-246716 (1997-09-01), None
Armstrong Kratz Quintos Hanson & Brooks, LLP
Feely Michael J.
Fujitsu Limited
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