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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Okumura, T. Osaka, A. Ishiwata, N. Takeshima, Y. Urai, H. |
| Copyright Year | 1965 |
| Abstract | A laminated Fe-Ta-N video head for high frequency operation has been investigated at 18.5 m/s head tape speed with high coercivity (>1500 Oe) metal tapes. Compared with the same design laminated Sendust head, the Fe-Ta-N head shows more than 3 dB higher C/N, at least 1.5 dB superior recording capability in the range from 1 MHz up to 50 MHz, and higher reproducing capability in the high frequency range above 20 MHz. The head magnetization observation, using a scanning Kerr effect microscope (SKEM), revealed that the outstanding read/write characteristics result from permeability response for the Fe-Ta-N film in the high frequency region. The laminated Fe-Ta-N heads were found to be the best suited for high data transfer rate recording systems, especially for digital video cassette recorders.< |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 3843 |
| Ending Page | 3845 |
| Page Count | 3 |
| File Size | 307075 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 29 |
| Issue Number | 6 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1993-11-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Frequency Magnetic heads Coercive force Video recording National electric code Saturation magnetization Magnetic materials Magnetic cores Magnetic separation Digital recording |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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