Method of electroding a poly(vinylidene fluoride) solid

The invention deals with a method of electroding a poly(vinylidene fluoride) solid in a piezoelectric application. The electroding method entails surface preparation of the poly(vinylidene fluoride) by a variety of steps including plasma etching to create temporary molecular scale surface irregulari...

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Bibliographische Detailangaben
Hauptverfasser:	SHIRK, RAYMOND A, HILL, RICHARD J, BELKE, JR., ROBERT E, SMITH, DAVID P
Format:	Patent
Sprache:	eng
Schlagworte:	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 ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The invention deals with a method of electroding a poly(vinylidene fluoride) solid in a piezoelectric application. The electroding method entails surface preparation of the poly(vinylidene fluoride) by a variety of steps including plasma etching to create temporary molecular scale surface irregularities followed by sputtering a metallic layer before deterioration of the plasma etched surface. The chromium may be the initial metal sputtered, followed by a sputtered copper layer, followed in turn by at least one heavier electrodeposited conductive layer. The method may be conducted without deterioration of the piezoelectric properties of the material. The method has been found to provide very good adhesion between the electrode and the PVF2 surface.