VACUUM PROCESS APPARATUS AND VACUUM PROCESS METHOD

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United States of America Patent

SERIAL NO

15131084

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Abstract

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A vacuum process method for a magnetic recording medium having a surface protective layer for protecting a magnetic recording layer formed on a substrate includes a ta-C film forming step of forming a ta-C film on the magnetic recording layer, a transportation step of transporting a substrate on which the ta-C film is formed, a radical generation step of generating radicals by exciting a process gas, and a radical process step of irradiating a surface of the ta-C film with the radicals.

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Patent Owner(s)

Patent OwnerAddress
CANON ANELVA CORPORATIONKANAGAWA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
SHIBAMOTO, Masahiro Tokyo, JP 30 127
YAKUSHIJI, Hiroshi Tokyo, JP 18 81

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