MAGNETIC HEAD, MAGNETIC TAPE DEVICE INCLUDING THE SAME AND METHOD FOR PRODUCING THE MAGNETIC HEAD

MAGNETIC HEAD, MAGNETIC TAPE DEVICE INCLUDING THE SAME AND METHOD FOR PRODUCING THE MAGNETIC HEAD

PROBLEM TO BE SOLVED: To provide a magnetic head which can maintain the S/N ratio of a reproduction signal at a proper value. SOLUTION: The magnetic head 37 in which two sides 61a, 62a and 63a, which are defined as viewed in a core width direction, of end surfaces 61, 62 and 63 of the magnetic recor...

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Hauptverfasser: OKI TOKUAKI, KIKUIRI KATSUYA
Format: Patent
Sprache:eng
Schlagworte:
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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KIKUIRI KATSUYA
description PROBLEM TO BE SOLVED: To provide a magnetic head which can maintain the S/N ratio of a reproduction signal at a proper value. SOLUTION: The magnetic head 37 in which two sides 61a, 62a and 63a, which are defined as viewed in a core width direction, of end surfaces 61, 62 and 63 of the magnetic recording head extend along a longitudinal direction M of recording tracks 72, so that it is possible to reduce spreading of a leakage magnetic field F2 extending from the two sides of the magnetic recording head in the core width direction. If the leakage magnetic field F2 extending from both sides of a gap layer is reduced, it is possible to prevent the formation of an erased area beyond a multiple recording area 79. It is possible to maintain the S/N ratio of the reproduction signal at a proper value when reading out magnetic information from a magnetic tape 71. COPYRIGHT: (C)2004,JPO
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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title MAGNETIC HEAD, MAGNETIC TAPE DEVICE INCLUDING THE SAME AND METHOD FOR PRODUCING THE MAGNETIC HEAD
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