Advanced lubricant for thin film storage medium
First Claim
1. A magnetic recording medium comprising a carbon overcoat and a lubricant film comprising a photosynthesized lubricant that is photosynthesized prior to being applied on the carbon overcoat and having a single phase composition of at least a lubricant moiety that is chemically linked to an additive moiety, further wherein a molecule of the photosynthesized lubricant comprises a main-chain of one or more perfluoropolyether (PFPE) moieties, with one end of the molecule having a pentaphenoxy cyclotriphosphazene, wherein the lubricant film is located directly on the carbon overcoat.
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Abstract
A magnetic recording medium comprising a lubricant film comprising a photosynthesized lubricant having a single phase composition of at least a lubricant moiety and an additive moiety is disclosed.
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Citations
8 Claims
- 1. A magnetic recording medium comprising a carbon overcoat and a lubricant film comprising a photosynthesized lubricant that is photosynthesized prior to being applied on the carbon overcoat and having a single phase composition of at least a lubricant moiety that is chemically linked to an additive moiety, further wherein a molecule of the photosynthesized lubricant comprises a main-chain of one or more perfluoropolyether (PFPE) moieties, with one end of the molecule having a pentaphenoxy cyclotriphosphazene, wherein the lubricant film is located directly on the carbon overcoat.
Specification