Extremely low inductance thin-film single-pole head on flying slider

Author

Muraoka, Hiroaki ; Sato, Kazuki ; Nakamura, Yoshlhisa ; Katakura, Toru ; Yazawa, Kenji

Author_Institution

Res. Inst. of Electr. Commun., Tohoku Univ., Sendai, Japan

Volume

34

Issue

4

fYear

1998

fDate

7/1/1998 12:00:00 AM

Firstpage

1474

Lastpage

1476

Abstract

A novel single-pole head on a flying slider is presented as a high frequency writing head. The main pole of the head is driven with three thin-film conductor layers to have a short magnetic circuit path. Thus, a low inductance of around 10 nH and a high writing sensitivity of less than 0.03 AT_pp is obtained. The writing field distribution is shown to be the same as a regular single-pole head by computer simulations. The recording performance of the head is examined and the high writing sensitivity is demonstrated

Keywords

inductance; magnetic heads; magnetic thin film devices; magnetoresistive devices; perpendicular magnetic recording; flying slider; high frequency writing head; inductance; low inductance thin-film single-pole head; omputer simulations; recording performance; short magnetic circuit path; thin-film conductor layers; writing field distribution; writing sensitivity; Computer simulation; Conductive films; Frequency; Inductance; Magnetic circuits; Magnetic films; Magnetic heads; Thin film circuits; Transistors; Writing;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.706587

Filename

706587