Thermal asperity of TMR heads for removable disk drives

Keishi Ohashi*, Akinobu Sato, Kunihiko Ishihara, Takao Matsubara, Tsutomu Mitsuzuka, Hisanao Tsuge, Nobuyuki Ishiwata


研究成果: Conference article査読

4 被引用数 (Scopus)


The thermal asperity of the tunneling magnetoresistive (TMR) head was studied using Zip-type flexible media, and compared with that of the anisotropic magnetoresistive (AMR) head. The examined head had a shielded structure with the TMR element close to the air bearing surface. Nevertheless, it generated relatively small thermal asperity even when the mechanical spacing between the head and medium was less than 20 nm, at which large and frequent thermal asperity was observed when the AMR head was used. Such relatively small thermal asperity of the TMR head is attributed mainly to the small low-temperature coefficient of the electric resistivity of the TMR element.

ジャーナルIEEE Transactions on Magnetics
4 I
出版ステータスPublished - 2001 7月
イベント8th Joint Magnetism and Magnetic Materials -International Magnetic Conference- (MMM-Intermag) - San Antonio, TX, United States
継続期間: 2001 1月 72001 1月 11

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 電子工学および電気工学


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