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Terrabit Per-Square-Inch Hard Drive

Posted by timothy on from the density-is-not-a-bad-thing dept.

BitGuy writes: "Physics News Update reports that current GMR (giant magnetoresistance) harddisk technology will not achieve terrabit-per-square-inch densities. Experiments with EMR (extra-ordinary magnetoresistive), which exceeds 100Gb/in^2 have been successful in the lab. There is even a diagram of the read head if you're interested."

1 of 146 comments (clear)

  1. Story summarized by peter_gzowski · · Score: 4, Insightful

    Giant magnetoresistance (GMR) and tunneling magnetoresistance (TMR) hard disk technologies cannot achieve Terrabit per square inch performance. Neither can the "extraordinary" magnetoresistive (EMR) hard disk that is proposed. It is hoped that in the near future "extra-extraordinary" magnetoresistance (EEMR) hard disk technology is developed, and then perhaps "goddamn-extraordinary" magnetoresistance (GDEMR).

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