Carbon seedlayer on non-metallic substrates for magnetic recordi

Details Carbon seedlayer on non-metallic substrates for magnetic recordi Carbon seedlayer on non-metallic substrates for magnetic recordi

1997-01-14

1998-09-01

Pianalto, Bernard

Coating processes

Magnetic base or coating

Magnetic coating

2041921, 427132, 427404, 428428, 428457, 428611, 428623, 428626, 428667, 428675, 428693, 428928, B05D 512

Patent

active

058008632

ABSTRACT:
Magnetic recording media comprise non-metallic substrates which are coated with a seedlayer of carbon or silicon. The seedlayer improves the magnetic recording characteristics of a subsequent magnetic layer. The effect of the seedlayer is further enhanced by use of an underlayer, preferably a chromium or chrome alloy ground layer, between the seedlayer and magnetic layer.

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