Magnetic recording medium

Disclosed is a magnetic recording medium excellent in surface properties, good in electromagnetic characteristics, and excellent in durability, which comprises a non-magnetic support and a magnetic layer formed thereon through a non-magnetic layer, in which the non-magnetic layer contains, as binder...

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Bibliographic Details
Main Authors UCHIDA MASATOSHI, NAGASHIMA NAOYUKI, MIYAMORI SHIGEYO, SASAKI HIDEKI
Format Patent
LanguageEnglish
Published 02.01.2001
Edition7
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Summary:Disclosed is a magnetic recording medium excellent in surface properties, good in electromagnetic characteristics, and excellent in durability, which comprises a non-magnetic support and a magnetic layer formed thereon through a non-magnetic layer, in which the non-magnetic layer contains, as binders, a vinyl chloride resin having carboxylic acid and amine polar groups, and a polyurethane resin having phosphobetaine and/or phosphamine as a polar group.
Bibliography:Application Number: US19990276487