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US 8,460,806 B2Granted
Magnetic tape cartridge
AssigneeFUJIFILM Corporation
InventorsTatsuo Ishikawa, Norihito Kasada
Life of this patent
Estimating the term…
Abstract
A magnetic tape cartridge including a reel and a pack of magnetic tape wound onto the reel, the magnetic tape includes an aromatic polyamide support and has a thickness of from 3.5 to 5.5 μm and a length of 1000 m or more, and a difference in tape thickness produced between an outer and an inner winding of the tape pack after 2-week storage of the cartridge in a dry environment at 60° C. is 60 nm or smaller.
Claims8
A magnetic tape cartridge comprising a reel and a pack of magnetic tape wound onto the reel,
- the magnetic tape comprising an aromatic polyamide support and having a thickness of from 3.5 to 5.5 μm and a length of 1000 m or more, and
- wherein the magnetic tape has a thermal shrinkage in a longitudinal direction of 0.09% or less when the tape is stored in a dry environment at 70° C. for 48 hours,
- a difference in tape thickness produced between an outer and an inner winding of the tape pack after 2-week storage of the cartridge in a dry environment at 60° C. being 60 nm or smaller.
Dependencies are inferred from the claim text.