perpendicular recording images
Longitudinal (Horizontal) Recording
For decades, magnetic bits have been written horizontally on the recording surface of the disk platter. (Illustration assistance courtesy of Hitachi Global Storage Technologies.)
Computer Desktop Encyclopedia THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.Copyright © 1981-2010 by Computer Language Company Inc. All rights reserved.
Perpendicular (Vertical) Recording
Vertical bits save space. The magnetic flux coming out of the bottom of the write pole (P2) effects the bit directly below. It goes down through the vertical bit area, around the soft underlayer and back up the return pole (P1). (Illustration assistance courtesy of Hitachi Global Storage Technologies.)
Computer Desktop Encyclopedia THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.Copyright © 1981-2010 by Computer Language Company Inc. All rights reserved.
More perpendicular recording images
Learn more about perpendicular recording