Recording characteristics of MIG heads

Author

Shinohara, T. ; Noguchi, K. ; Iwata, H. ; Suwabe, S. ; Nishiyama, T.

Author_Institution

Hitachi Metals Ltd., Saitama, Japan

Volume

Issue

fYear

1988

fDate

11/1/1988 12:00:00 AM

Firstpage

2626

Lastpage

2628

Abstract

The recording characteristics of two different types of metal-in-gap (MIG) heads for rigid disks have been studied. In one the surface facing the recording medium is trapezoidal, while in the other it is straight. Both heads show excellent recording performance, especially for high-H_c media, compared to non-MIG heads. D₅₀ was 30 KFCI with an H_c=1200 Oe disk. The trapezoid type MIG head has 30% higher output voltage than the parallel type, but has a frightening field at the gap, so the effective track width is 2~3 μm wider than the optical track width. The parallel type has less fringing field

Keywords

hard discs; magnetic heads; magnetic recording; MIG heads; frightening field; magnetic disc storage; parallel type; recording characteristics; rigid disks; trapezoid type; Bonding; Disk recording; Ferrite films; Magnetic cores; Magnetic films; Magnetic flux; Magnetic heads; Magnetic recording; Sputtering; Voltage;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.92194

Filename

92194

Link To Document

https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1486846