"METHOD FOR ELECTROLESS METALISATION OF POLYMER SUBSTRATE"

• Main Authors: PETER MALCOLM MORAN, BHANGALE SUNIL MADHUKAR
• Format: Patent
• Language: English
• Published: 31.07.2008
• Subjects: CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; METALLURGY; PRINTED CIRCUITS; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION

A METHOD OF ACTIVATING AND METALLISING AN AROMATIC POLYMER FILM INCLUDING THE STEPS OF: - TREATING A FIRST SURFACE OF THE FILM WITH A BASIC SOLUTION; - APPLYING TO SAID FIRST SURFACE OF THE FILM AN AQUEOUS SEEDING SOLUTION COMPRISING POLYMER-STABILISED CATALYST PARTICLES; AND - IMMERSING THE FILM IN AN ELECTROLESS PLATING BATH COMPRISING IONS OF A DESIRED METAL SO AS TO DEPOSIT A LAYER OF SAID METAL ONTO THE FIRST SURFACE OF SAID FILM.(FIG 1)