New magnetic tape prototype breaks data density and capacity records

guest · Dec 19, 2020

New magnetic tape prototype breaks data density and capacity records
A new world record for one of the oldest types of storage media
December 17, 2020
https://newatlas.com/computers/ibm-fujifilm-magnetic-tape-data-storage/

Magnetic tape may seem like a pretty antiquated data storage technology, but its density and capacity is still hard to beat for big data centers. Now, IBM and Fujifilm have teamed up to create a prototype high-density tape cartridge with a record-breaking capacity of 580 TB.

Other media have come and gone, but magnetic tape has been the go-to storage medium ever since its invention in 1952. That’s thanks to its durability, density, low cost, longevity, energy efficiency and scalability – but all of these stats have of course improved over the decades.
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The newest prototype cartridge manages to squeeze in 317 Gigabits per square inch (6.45 sq cm) of tape, which is just 4.3 micrometers thick and 1.3 km (0.8 miles) long if you were to unroll it.

The main improvement that allowed for the new record was the new tape material developed by Fujifilm. Most current tapes are coated in magnetic particles of barium ferrite (BaFe), but this time the company used a new type of particle called strontium ferrite (SrFe).
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The company says that the new developments allow the heads to be positioned to within 3.2 nm, a world record for accuracy.
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IBM: Hybrid clouds will rely on magnetic tape for decades to come
Fujifilm: Fujifilm develops technology to deliver the world's highest 580TB storage capacity* for magnetic tapes using strontium ferrite (SrFe) magnetic particles

Data recording at the world's record** 317 Gbpsi*** recording density verified
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