SIGNAL TO NOISE RATIO OF THIN-FILM DISKS WITH VARIOUS ORIENTATION RATIOS

被引：10

作者：

MIRZAMAANI, M

RE, M

LAMBERT, SE

PRAINO, A

PETERSEN, TS

JOHNSON, KE

机构：

[1] IBM CORP,ALMADEN RES CTR,DIV RES,SAN JOSE,CA 95120

[2] IBM CORP,APPLICAT BUSINESS SYST,ROCHESTER,MN 55901

来源：

IEEE TRANSACTIONS ON MAGNETICS | 1990年 / 26卷 / 05期

关键词：

10;

D O I：

10.1109/20.104763

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Thin film disks with various orientation ratios (OR) ranging from 0.5 to 4.3 were fabricated by sputter deposition of CoPtCr with Cr underlayers onto preheated NiP/AI-Mg disks. The recording characteristics of these disks were investigated using a thin film head. The isolated pulse signal amplitude to media noise ratio (So/N) increased when OR was increased from 0.5 to 1 and then remained relatively constant for OR ≥ 1. An improvement of about 10 dB in overwrite of the disks with OR > 1 was observed. © 1990 IEEE

引用

页码：2457 / 2459

页数：3

共 10 条

[1]

COUGHLIN T, 1989, 34TH P MMM C

[2]

JOHNSON E, 1990, INTERMAG C BRIGHTON

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