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US 2026/0105930 A1Published application
Magnetic tape and tape cartridge
AssigneeSony Group Corporation
InventorsEiji NAKASHIO, Hiroshi KUMAGAI, Masaki SUGAWARA, Taeko TAKAHASHI, Takanobu IWAMA
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Abstract
A magnetic tape according to an embodiment of the present technology is a magnetic tape including a base material and a magnetic layer provided on one of main surfaces of the base material, in which the base material is formed of polyethylene naphthalate (PEN), a total thickness of the magnetic tape is 4.9 μm or more and 5.4 μm or less, and a loop stiffness of the magnetic tape in a width direction thereof is 1.1 mg/μm or more and 1.4 mg/μm or less.
Claims14
A magnetic tape, comprising:
- a base material;
- and
- a magnetic layer provided on one of main surfaces of the base material, wherein
- the base material is formed of polyethylene naphthalate (PEN),
- a total thickness of the magnetic tape is 4.9 μm or more and 5.4 μm or less, and
- a loop stiffness of the magnetic tape in a width direction thereof is 1.1 mg/μm or more and 1.4 mg/μm or less.
3 more elements
A tape cartridge, comprising:
- a tape reel including a first flange, a second flange, and a cylindrical reel hub including a first end portion formed integrally with the first flange and a second end portion to which the second flange is bonded;
- and
- a magnetic tape which includes a base material and a magnetic layer provided on one of main surfaces of the base material and is wound on an outer circumferential surface of the reel hub, wherein
- the base material is formed of polyethylene naphthalate (PEN),
- a total thickness of the magnetic tape is 4.9 μm or more and 5.4 μm or less, and
- a loop stiffness of the magnetic tape in a width direction thereof is 1.1 mg/μm or more and 1.4 mg/μm or less.
3 more elements
Dependencies are inferred from the claim text.