STRETCHED SURFACE RECORDING MEDIUM

Stretched surface recording disk (SSR) (10) comprising an annular support (12) having raised annular ridges (28 and 42) at its inside and outside diameters (22 and 30) with a base portion (24) in between the two ridges, and an annular recording medium film (14) held in radial tension and stretched a...

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Bibliographic Details
Main Authors MATENZ, JOHN A, MILLER, LESLEY M, CHERNEGA, JOHN G, LAU, PATRIC P
Format Patent
LanguageEnglish
Published 16.02.1994
Edition5
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PHYSICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Stretched surface recording disk (SSR) (10) comprising an annular support (12) having raised annular ridges (28 and 42) at its inside and outside diameters (22 and 30) with a base portion (24) in between the two ridges, and an annular recording medium film (14) held in radial tension and stretched across the base portion by adhering the film to attachment surfaces (48 and 36) near the inside and outside diameters respectively. The bond between the recording medium film and the support at the inner and outer attachment surfaces is formed by an electron beam cured adhesive such as a mixture of hydantoin hexacrylate and dimethacrylamide. By manufacturing the stretched surface recording disks with the e-beam process, significantly less time is required to adhere each stretched recording medium to its support, and the quality of the bond between the support and recording medium film is improved. SSR are capable of higher bit density than floppy disks of equivalent surface area and are not as sensitive to contact between the media and a flying magnetic head ("head crashes") as rigid disks.
Bibliography:Application Number: KR19850009511