This article via: IBM researchers demonstrate magnetic tape storage density forty times A
IBM researchers demonstrate magnetic tape storage density forty times A
In a demonstration, they reached 29.5 billion bits per square inch. Based on these tape storage systems with 35 terabytes per tape cartridge will be developed. Application is the long-term storage of large amounts of data.
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Researchers at IBM Research in Zurich have written in collaboration with Fujifilm on an advanced test tape 29.5 gigabits per square inch. That is almost forty times as much as is achieved with current products. They wanted to occupy so that one of the oldest technologies for data storage offers the potential for further capacity increases and not long had its days.
To achieve the record-storage density, improved the IBM researchers together with Fuji for three years the doubly coated on barium ferrite magnetic particles of the Japanese-based company. Due to the precise positioning of the read / write heads can also 25 times more data tracks on the same 0.5-inch-wide tape can be accommodated. A more precise identification of the individual bits also allows the 50-percent increase in linear recording density. In addition, a novel friction read / write head is necessary.
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