Process for preparing selectively conductive materials by electr

Details Process for preparing selectively conductive materials by electr Process for preparing selectively conductive materials by electr

1994-07-26

1996-03-12

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428256, 428272, 428288, 4283115, 4283155, 4283171, 428422, 428901, B32B 2714, B32B 1500

Patent

active

054984670

ABSTRACT:
There is provided a process for producing conductive areas through selected portions of the Z axis of a porous planar material. In the process, the planar material is sensitized to the reception of electroless metal with an electroless metal deposition solution. The planar material is provided throughout the selected Z axis areas with a metal salt composition which on exposure to radiant energy, such as light, electron beams, x-ray, and the like, so as to convert the metal cations to metal nuclei. The metal nuclei is then displaced with a more stable metal, such as palladium and then the material is electrolessly plated. The metalized planar material is then imbibed with a resin at such a percentage so that adhesion is provided between two substrates without loss of conductivity in the Z axis.

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