Effect of carbon underlayer thickness on read/write characteristics of perpendicular magnetic recording medium

T. Onoue, A. Takizawa, Toru Asahi, Tetsuya Osaka, H. Sakai

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The effect of carbon underlayer thickness on read-write characteristics and crystalline structure of magnetic layer for the perpendicular single layered medium were investigated. Thin film media of CoCr 18Pt 6Ta 3/CoCr 40/C were prepared on NiP/Al substrate by DC-magnetron sputtering at substrate temperatures of 200°C. Magnetic properties were determined using a vibrating sample magnetometer (VSM). The read-write characteristics were observed using the MIG head for writing gap and MR head for reproducing gap length. Medium noise was obtained by subtracting the system noise power from the integrated value for the total noise power.

Original languageEnglish
Title of host publicationDigests of the Intermag Conference
PublisherIEEE
Publication statusPublished - 1999
EventProceedings of the 1999 IEEE International Magnetics Conference 'Digest of Intermag 99' - Kyongju, South Korea
Duration: 1999 May 181999 May 21

Other

OtherProceedings of the 1999 IEEE International Magnetics Conference 'Digest of Intermag 99'
CityKyongju, South Korea
Period99/5/1899/5/21

Fingerprint

Magnetic recording
Carbon
Magnetometers
Substrates
Magnetron sputtering
Magnetic properties
Crystalline materials
Thin films
Temperature

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Onoue, T., Takizawa, A., Asahi, T., Osaka, T., & Sakai, H. (1999). Effect of carbon underlayer thickness on read/write characteristics of perpendicular magnetic recording medium. In Digests of the Intermag Conference IEEE.

Effect of carbon underlayer thickness on read/write characteristics of perpendicular magnetic recording medium. / Onoue, T.; Takizawa, A.; Asahi, Toru; Osaka, Tetsuya; Sakai, H.

Digests of the Intermag Conference. IEEE, 1999.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Onoue, T, Takizawa, A, Asahi, T, Osaka, T & Sakai, H 1999, Effect of carbon underlayer thickness on read/write characteristics of perpendicular magnetic recording medium. in Digests of the Intermag Conference. IEEE, Proceedings of the 1999 IEEE International Magnetics Conference 'Digest of Intermag 99', Kyongju, South Korea, 99/5/18.
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