Recording over 15 ktpi using multichannel heads in a tape system
In magnetic recording systems, it has been reported that sufficient signal-to-noise ratio (SNR) was obtained with a narrow track width, using a spin-valve head and metal-evaporated tape. In order to apply this to a helical-scan tape system, techniques for writing narrow tracks and reading them exact...
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| Veröffentlicht in: | IEEE transactions on magnetics 2006-02, Vol.42 (2), p.182-187 |
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| container_title | IEEE transactions on magnetics |
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| creator | Fukuda, S. Ozue, T. Onodera, S. |
| description | In magnetic recording systems, it has been reported that sufficient signal-to-noise ratio (SNR) was obtained with a narrow track width, using a spin-valve head and metal-evaporated tape. In order to apply this to a helical-scan tape system, techniques for writing narrow tracks and reading them exactly were required. However, the degree of mechanical accuracy demanded was too high to realize. With this in mind, we have developed multichannel heads which can write and read certain tracks with a single scan, as well as a nontracking technique removing the need for such precise mechanical accuracy. A prototype tape drive employing these techniques was developed, and a track density exceeding 15 ktpi was achieved. |
| doi_str_mv | 10.1109/TMAG.2005.861762 |
| format | Article |
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In order to apply this to a helical-scan tape system, techniques for writing narrow tracks and reading them exactly were required. However, the degree of mechanical accuracy demanded was too high to realize. With this in mind, we have developed multichannel heads which can write and read certain tracks with a single scan, as well as a nontracking technique removing the need for such precise mechanical accuracy. 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A prototype tape drive employing these techniques was developed, and a track density exceeding 15 ktpi was achieved.</description><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Density</subject><subject>Exact sciences and technology</subject><subject>GMR head</subject><subject>helical scan tape system</subject><subject>Linearity</subject><subject>Magnetic heads</subject><subject>Magnetic recording</subject><subject>Magnetism</subject><subject>Materials science</subject><subject>Multichannel</subject><subject>multichannel head</subject><subject>nontracking</subject><subject>Other topics in materials science</subject><subject>Physics</subject><subject>Prototypes</subject><subject>Recording</subject><subject>Servomechanisms</subject><subject>Signal to noise ratio</subject><subject>spin-valve head</subject><subject>Stability</subject><subject>Testing</subject><subject>Transistors</subject><subject>Writing</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp9kM1LwzAYh4MoOKd3wUsQ1FNnvpvcHEOnMBFknkNME9fZL5NW2H9vSweCB3N5kzfP-yN5ADjHaIYxUrfr5_lyRhDiMylwKsgBmGDFcIKQUIdgghCWiWKCHYOTGLf9kXGMJuDu1dk6ZHn1AetvFyDm8LNtctjFoVV2RZvbjakqV8CNM1mEeQUNbE3jYNzF1pWn4MibIrqzfZ2Ct4f79eIxWb0snxbzVWKppG0imEUp89xwoTylqe_3UmJuJKZGyndBGFFIZJk1ThFBPWGUKuqyTHrqfUqn4GbMbUL91bnY6jKP1hWFqVzdRS2lorJfA3n9L0lkryQlA3j5B9zWXaj6X2gpOBOIcNVDaIRsqGMMzusm5KUJO42RHszrwbwezOvRfD9ytc810ZrCB1PZPP7OpZyligzRFyOXO-d-r3n_vpTQH04WiZA</recordid><startdate>20060201</startdate><enddate>20060201</enddate><creator>Fukuda, S.</creator><creator>Ozue, T.</creator><creator>Onodera, S.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| source | IEEE Electronic Library (IEL) |
| subjects | Cross-disciplinary physics: materials science rheology Density Exact sciences and technology GMR head helical scan tape system Linearity Magnetic heads Magnetic recording Magnetism Materials science Multichannel multichannel head nontracking Other topics in materials science Physics Prototypes Recording Servomechanisms Signal to noise ratio spin-valve head Stability Testing Transistors Writing |
| title | Recording over 15 ktpi using multichannel heads in a tape system |
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