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US 12,347,457 B2Granted
Cartridge including magnetic tape including magnetic layer including protrusions on surface thereof
AssigneeSony Group Corporation
InventorsMinoru Yamaga, Yuji Iwahashi
Life of this patent
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Abstract
Provided is a cartridge capable of curbing charging of a magnetic tape even in a case where a drive gear is configured of an insulating resin. The cartridge includes a reel that has conductivity and includes a bottom wall, a magnetic tape that is wound around the reel, and a conductive member that is in contact with the reel, the conductive member having a reel gear on a lower surface of the bottom wall.
Claims13
A cartridge comprising:
- a reel that has conductivity;
- a magnetic tape that is wound around the reel;
- and
- an elastic member that has conductivity,
- wherein the reel has a reel gear that meshes with a drive gear, and
- the elastic member is configured to be able to be biased toward a conductive portion included in a spindle of a drive when the reel gear meshes with the drive gear, and
- wherein the magnetic tape includes a substrate, an underlayer, and a magnetic layer in order,
- the magnetic layer includes magnetic powder and carbon, and
- the magnetic layer has, on a surface thereof, protrusions configured of the carbon and an average height of the protrusions is 12 nm or less.
6 more elements
Dependencies are inferred from the claim text.