NDLI: Perpendicular Recording Technology: From Research to Commercialization

Content Provider	IEEE Xplore Digital Library
Author	Tanaka, Y.
Copyright Year	1963
Abstract	Perpendicular magnetic recording was a long-awaited technology to break the areal density limit of the longitudinal recording system. Through the research on high squareness CoPtCrO/Ru recording media, we have established the intrinsic design concept of stable perpendicular magnetic recording in which the high nucleation field of perpendicular magnetic media supports the very stable magnetization against disturbance fields in recording processes. By intensive study of the perpendicular magnetic recording integration into the 2.5-in 50-80 GB/platter test hard disk drives (HDDs), we have successfully developed the first 1.8-in 40 GB/platter HDD product featuring the perpendicular magnetic recording technology at 133 Gbit/in² recording density. Thermal stability and spacing robustness in the writing process of the perpendicular recording system were also found to be great advantages of the future portable HDD systems.
Sponsorship	IEEE Publication
Starting Page	1754
Ending Page	1760
Page Count	7
File Size	1590377
File Format	PDF
ISSN	00189219
Volume Number	96
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-11-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Perpendicular magnetic recording Commercialization Hard disks Magnetic recording Disk recording Robust stability Thermal stability Portable computers Magnetic heads Magnetization single pole type perpendicular head Complementary features double layer perpendicular media hard disk drive integration perpendicular recording portable hard disk drive
Content Type	Text
Resource Type	Article
Subject	Computer Science Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Fundamental features of perpendicular magnetic recording and design considerations for future portable HDD integration

Side-Fringing of merged type head and thin film single pole head for perpendicular double-layered media

Perpendicular recording and the complementary features in integration

Write ard Read Characteristics in Combination with a Single Pole Type Thin Film Head and a Double Layer Rigid Disk for Perpendicular Magnetic Recording

Recording Characteristics of Perpendicular Hard Disk Media Measured by MIG Head

Micromagnetic Simulations of Perpendicular Single-Pole-Type Head for Various Pole Tip Structures

Parametric Optimization of Tape-burnish Process for Perpendicular Recording Media of Hard Disk Drive

Recording performance of double-layered perpendicular recording media with antiferromagnetic layer

Thermal stability of magnetization in perpendicular thin film media

Perpendicular Recording Technology: From Research to Commercialization

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Fundamental features of perpendicular magnetic recording and design considerations for future portable HDD integration

Side-Fringing of merged type head and thin film single pole head for perpendicular double-layered media

Perpendicular recording and the complementary features in integration

Write ard Read Characteristics in Combination with a Single Pole Type Thin Film Head and a Double Layer Rigid Disk for Perpendicular Magnetic Recording

Recording Characteristics of Perpendicular Hard Disk Media Measured by MIG Head

Micromagnetic Simulations of Perpendicular Single-Pole-Type Head for Various Pole Tip Structures

Parametric Optimization of Tape-burnish Process for Perpendicular Recording Media of Hard Disk Drive

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Perpendicular Recording Technology: From Research to Commercialization