MAGNETIC RECORDING MEDIUM

1344770 Magnetic records CONTROL DATA CORP 16 May 1972 [3 June 1971] 22839/72 Heading G5R [Also in Division C7] A magnetic recording medium for high density magnetic recording systems comprises an Al or Al alloy disc 20, a Zn coating 21, a Ni-P layer 22, a Au layer 23 >125 Š thick and a Co-P laye...

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Hauptverfasser: PRAVIN KUMAR PATEL, ELIOT STONE
Format: Patent
Sprache:eng
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creator PRAVIN KUMAR PATEL
ELIOT STONE
description 1344770 Magnetic records CONTROL DATA CORP 16 May 1972 [3 June 1971] 22839/72 Heading G5R [Also in Division C7] A magnetic recording medium for high density magnetic recording systems comprises an Al or Al alloy disc 20, a Zn coating 21, a Ni-P layer 22, a Au layer 23 >125 Š thick and a Co-P layer 24. All the coating layers are deposited by electroless deposition (see Division C7). The Co-P layer is < 10,000 Š thick, has an intrinsic coercivity of at least 300 Oe., and a ratio intrinsic coercivity to saturation coercivity of at least 0À95.
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All the coating layers are deposited by electroless deposition (see Division C7). 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All the coating layers are deposited by electroless deposition (see Division C7). 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All the coating layers are deposited by electroless deposition (see Division C7). The Co-P layer is &lt; 10,000 Š thick, has an intrinsic coercivity of at least 300 Oe., and a ratio intrinsic coercivity to saturation coercivity of at least 0À95.</abstract><oa>free_for_read</oa></addata></record>
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subjects ADHESIVES
BASIC ELECTRIC ELEMENTS
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
CORRECTING FLUIDS
DYES
ELECTRICITY
FILLING PASTES
INDUCTANCES
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
INKS
MAGNETS
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
PHYSICS
POLISHES
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
USE OF MATERIALS THEREFOR
WOODSTAINS
title MAGNETIC RECORDING MEDIUM
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