NDLI: Design of flying heads for tensioned flexible recording media

Content Provider	IEEE Xplore Digital Library
Author	Perry, D. Knudsen, J. Skelcher, W.
Copyright Year	1965
Abstract	Earlier work has shown that by bonding tensioned flexible recording media to rigid support disks it is possible to have performance features similar to rigid disks, while retaining the advantages of flexible-media technology. The present paper documents the use of a mathematical model of the head, suspension, air bearing, and tensioned medium to design nearly optimal sliders for a given applied tension and medium stiffness. A novel coupled finite difference algorithm for solving the governing partial differential equations is described which allows the medium to be modeled in polar coordinates and the head and air bearing to be modeled in rectangular coordinates. Realistic medium boundary conditions are imposed allowing the head position to vary from the inside radius to the outside radius of the disk. Slotted spherical sliders are modeled and model predictions are compared to white-light interferometric measurements of the head-to-medium spacing. Measured friction and modeled minimum head-to-medium spacing are plotted versus velocity. Modeled minimum spacing becomes greater than the disk surface roughness near the velocity of minimum friction.
Sponsorship	IEEE Magnetics Society
Starting Page	1005
Ending Page	1007
Page Count	3
File Size	687651
File Format	PDF
ISSN	00189464
Volume Number	22
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1986-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic heads Disk recording Predictive models Friction Bonding Mathematical model Finite difference methods Partial differential equations Boundary conditions Velocity measurement
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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Design of flying heads for tensioned flexible recording media

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Design of low flying heads for floppy disk magnetic recording

Flight of flexible disk over recording heads

Inertia effects on static friction measurements of laser textured media [magnetoresistive recording heads]

Stretched-surface recording disk for use with a flying head

Wear dependence of CoCr flexible recording media on head running condition

Dynamics of Partial Contact Head Disk Interface

Flying height measurement while seeking in hard disk drives

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