PATTERNING MAGNETIC RECORDING MEDIA WITH ION IMPLANTATION UTILIZING A COMBINATION OF HEAVY AND LIGHT ION SPECIES

A patterned magnetic layer is formed by bombardment of a masked high Mrt magnetic layer with a combination of both heavy ion species and light ion species. The method can be implemented as sequential process steps or in a single process step with the proper heavy/light ion species mixture. Advantage...

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Bibliographische Detailangaben
Hauptverfasser:	KUO DAVID SHIAO-MIN, THIELE JAN-ULRICH, HWU JUSTIN, WELLER DIETER, RAJORA PARITOSH
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 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:	A patterned magnetic layer is formed by bombardment of a masked high Mrt magnetic layer with a combination of both heavy ion species and light ion species. The method can be implemented as sequential process steps or in a single process step with the proper heavy/light ion species mixture. Advantageously, the combined heavy/light ion species bombardment method results in a patterned magnetic layer having high topographical uniformity across its surface.