NDLI: Highly sensitive single pole head with laminated thin film coils

Content Provider	IEEE Xplore Digital Library
Author	Jiang, N. Muraoka, H. Nakamura, Y.
Copyright Year	1965
Abstract	A novel single pole head with laminated thin film coils is proposed in this paper. Laminated thin film coils, between which a main pole is laid, are put very close to the media to capture most of the reproduced flux. In addition, a ferrite return yoke is placed just under the lower conductor to shorten the head magnetic flux path. These approaches bring high read/write efficiency and small head noise owing to low head impedance. With only one or two-turn coils, Co-Cr/Fe-Ni-Nb double-layered media were saturated at magneto-motive force of 0.05 ampere-turn, and overwrite of the two-turn head reached 35 dB. High normalized output of 1000 nV/sub p-p///spl mu/m/spl middot/turn/spl middot/m/s was obtained. Much higher recording and reproducing sensitivity than ordinary inductive single pole heads was achieved.
Sponsorship	IEEE Magnetics Society
Starting Page	2715
Ending Page	2717
Page Count	3
File Size	346843
File Format	PDF
ISSN	00189464
Volume Number	31
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transistors Magnetic heads Coils Conductive films Ferrites Magnetic flux Perpendicular magnetic recording Frequency Magnetic recording Inductance
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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