A tape reel according to an embodiment of the present technology includes: a cylindrical reel hub that includes an outer periphery portion, a tape being wound on the reel hub. The reel hub is formed of a material in which a deformation amount when a load of 300 N is applied radially inward to an axial center of the outer periphery portion is 0.3 mm or less and a water absorption rate is 0.1% or less.

A tape reel according to an embodiment of the present technology includes: a cylindrical reel hub that includes an outer periphery portion, a tape being wound on the reel hub. The reel hub is formed of a material in which a deformation amount when a load of 300 N is applied radially inward to an axial center of the outer periphery portion is 0.3 mm or less and a water absorption rate is 0.1% or less.

A cartridge is provided and includes tape-shaped magnetic recording medium; and cartridge memory; wherein cartridge memory includes communication unit that communicates with recording/reproducing device in state where cartridge is loaded on recording/reproducing device; storage unit; and control unit that stores, reads, and transmits information, wherein information includes manufacturing information of cartridge and adjustment information for adjusting a tension applied to the tape-shaped magnetic recording medium in a longitudinal direction of tape-shaped magnetic recording medium thereof, tape-shaped magnetic recording medium has a plurality of servo bands, and wherein a temperature expansion coefficient α of the tape-shaped magnetic recording medium satisfies 6 ppm/° C.≤α≤8 ppm/° C.

An apparatus, in accordance with one approach, includes a receiving area configured to receive a plurality of mounts, each mount being configured to support at least one tape spool pair thereon. A magnetic head is configured to perform data operations on magnetic recording tapes of the tape spool pairs. A positioning mechanism is configured to selectively align the magnetic head to a selected one of the tape spool pairs. A product apparatus, in accordance with another approach, includes a mount having a tape spool pair thereon. The mount is configured to be inserted in a receiving area of an apparatus configured to receive a plurality of mounts.

An apparatus, in accordance with one approach, includes a receiving area configured to receive a plurality of mounts, each mount being configured to support at least one tape spool pair thereon. A magnetic head is configured to perform data operations on magnetic recording tapes of the tape spool pairs. A positioning mechanism is configured to selectively align the magnetic head to a selected one of the tape spool pairs. A product apparatus, in accordance with another approach, includes a mount having a tape spool pair thereon. The mount is configured to be inserted in a receiving area of an apparatus configured to receive a plurality of mounts.

A tape cartridge according to an embodiment of the present technology includes: a tape reel; a cartridge case; and a reel lock member. The tape reel includes a reel hub having a bottomed cylindrical shape, a tape having been wound on the reel hub. The cartridge case includes a first protruding portion and a plurality of second protruding portions, the first protruding portion protruding toward a center of a bottom portion of the reel hub, the plurality of second protruding portions being arranged around the first protruding portion. The reel lock member is disposed inside the reel hub. The reel lock member includes a first tubular portion and a plurality of second tubular portions, the first tubular portion fitting with the first protruding portion, the plurality of second tubular portions fitting with the plurality of second protruding portions. The reel lock member is movable in a direction of the one axis between a lock position and a lock release position, the reel lock member engaging with the bottom portion of the reel hub at the lock position, engagement between the reel lock member and the bottom portion of the reel hub being released at the lock release position.

A tape cartridge according to an embodiment of the present technology includes: a tape reel; a cartridge case; and a reel lock member. The tape reel includes a reel hub having a bottomed cylindrical shape, a tape having been wound on the reel hub. The cartridge case includes a first protruding portion and a plurality of second protruding portions, the first protruding portion protruding toward a center of a bottom portion of the reel hub, the plurality of second protruding portions being arranged around the first protruding portion. The reel lock member is disposed inside the reel hub. The reel lock member includes a first tubular portion and a plurality of second tubular portions, the first tubular portion fitting with the first protruding portion, the plurality of second tubular portions fitting with the plurality of second protruding portions. The reel lock member is movable in a direction of the one axis between a lock position and a lock release position, the reel lock member engaging with the bottom portion of the reel hub at the lock position, engagement between the reel lock member and the bottom portion of the reel hub being released at the lock release position.

A tape is prevented from moving in a width direction and the tape is prevented from being damaged in a state in which the tape is wound around a tape reel. There is provided a tape reel including: a cylindrical portion around which a tape is wound; a first flange annularly projecting toward an outer side in a radial direction of the cylindrical portion from the cylindrical portion; and a second flange separated from the first flange in an axial direction of the cylindrical portion and annularly projecting toward the outer side in the radial direction from the cylindrical portion, in which a distance between the first flange and the second flange becomes narrower while extending toward the outer side in the radial direction, and a bending elastic modulus of the first flange is smaller than a bending elastic modulus of the second flange.

A tape is prevented from moving in a width direction and the tape is prevented from being damaged in a state in which the tape is wound around a tape reel. There is provided a tape reel including: a cylindrical portion around which a tape is wound; a first flange annularly projecting toward an outer side in a radial direction of the cylindrical portion from the cylindrical portion; and a second flange separated from the first flange in an axial direction of the cylindrical portion and annularly projecting toward the outer side in the radial direction from the cylindrical portion, in which a distance between the first flange and the second flange becomes narrower while extending toward the outer side in the radial direction, and a bending elastic modulus of the first flange is smaller than a bending elastic modulus of the second flange.

The tape reel includes the cylindrical portion and a bottom portion having an installation surface on which the cylindrical portion is installed upright. The installation surface has a central surface located on a center side of the bottom portion, and a first inclined surface formed on an outer peripheral portion of the central surface along a peripheral direction of the cylindrical portion and inclined such that a wall thickness of the bottom portion gradually decreases toward an outer peripheral side. A through hole penetrating the bottom portion is formed in the outer peripheral portion, a pair of wall portions are installed upright on the first inclined surface on both sides of the through hole in the peripheral direction, and a second inclined surface having an inclination angle smaller than an inclination angle of the first inclined surface with respect to the central surface is formed on a surface of each of the wall portions, which is connected to the central surface.