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US 6,863,948 B2Granted
Disk-shaped magnetic recording medium
AssigneeFuji Photo Film Co., Ltd.
InventorYasushi Endo
Life of this patent
Estimating the term…
Abstract
A disk-shaped magnetic recording medium for use in a small magnetic disk cartridge, comprising a flexible disk-shaped magnetic sheet, and a rigid annular member attached to the outer circumferential edge portion of one side of the magnetic sheet.
Claims6
A disk-shaped magnetic recording medium for use in a small magnetic disk cartridge, comprising:
- a flexible disk-shaped magnetic sheet;
- and
- an annular member attached directly to an outer circumferential edge portion of one side of said magnetic sheet, wherein said annular member is ultraviolet ray-hardened liquid resin
- wherein said annular member has an uncovered upper surface opposite to a surface which is directly attached to said magnetic sheet.
1 more element
A disk-shaped magnetic recording medium for use in a small magnetic disk cartridge, comprising:
- a flexible disk-shaped magnetic sheet;
- and
- two annular members attached directly to outer circumferential edge portions of both sides of said magnetic sheet, wherein said annular members are ultraviolet ray-hardened liquid resin;
- wherein each of said annular members have an uncovered upper surface opposite to a surface which is directly attached to said magnetic sheet.
1 more element
Dependencies are inferred from the claim text.