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A Study on Dynamic Measurement Method of Static Read-Write Skew Caused by MR-Inductive Elements Alignments Error
Toru TAKEDA Satoru SEKO Hideaki ISHIOKA Yoshikazu ONUKI
IEICE TRANSACTIONS on Electronics
Publication Date: 1996/01/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Recording and Memory Technologies
HDD, MR/Ind, gap offset,
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A dynamic measurement method of static R/W skew caused by MR-Inductive element alignment error is discussed. A geometrical model for the displacement between a write gap and a read gap on a swing arm is formulated. A measurement method wthich employs read-after-write procedure on disk surfaces in a drive is proposed. A simulation results is reported. It contributes to increase the track densities of HDDs using MR/Inductive heads in the region of more than 200 TPMM (5000 TPI).