Data-cartridge case adapted for dual-format applications

A dual-purpose magnetic-tape cartridge for alternative use in Magstar or LTO robotic systems, comprising:

• a magnetic-tape cartridge having a top side, a bottom side, a front side, a rear side, two lateral sides, and a sloped face in the rear side conforming to Magstar format specifications;
• wherein said bottom side contains first and second locating notches for engagement with corresponding locating pins in a drive and a V-shaped notch for initial alignment of the cartridge within the drive;
• wherein said first locating notch is an approximately square hole at least 5 mm deep and with a side of 3.00 mm±0.08 mm, and said hole has a center located 20.50 mm±0.20 mm from said front side of the cartridge;
• wherein said second locating notch is an approximately oval aperture at least 5 mm deep, with a major dimension of at least 4.8 mm parallel to the cartridge's front side and a minor dimension of 3.00 mm±0.08 mm, and said aperture has a center 20.50 mm±0.20 mm from the front side of the cartridge and 86.15 mm±0.25 mm from the center of the first locating notch;
• and wherein said V-shaped notch is at least 8.90 mm deep and has a rounded bottom with a maximum radius of 1.50 mm centered about 5.05 mm from the front side of the cartridge;
• and the V-shaped notch has sides that extend from the rounded bottom toward the front side of the cartridge at an angle of 60 degrees±1 degree.