JPS6236411U

JPS6236411U -

Info

Publication number: JPS6236411U
Application number: JP12708685U
Authority: JP
Priority date: 1985-08-20
Filing date: 1985-08-20
Publication date: 1987-03-04

Description

[Brief explanation of the drawing]

第１図は本考案の実施例に係わる磁気デイスク
装置のトンネルイレーズ型磁気ヘツドを示す平面
図。第２図は第１図の磁気ヘツドの正面図。第３
図は第２図の磁気ヘツドの左側面図、第４図は第
２図の磁気ヘツドの右側面図、第５図は第１図の
磁気ヘツドからコイルと短絡磁性片とを除いた部
分の分解斜視図である。１……中央層、２……第１の外層、３……第２
の外層、４……第１のスライダ、５……第２のス
ライダ、６……磁性片、７……信号変換用コイル
、８……消去用コイル、９……Ｒ／Ｗギヤツプ、
１０……Ｒ／Ｗコア、１０ａ……四角柱状部分、
１０ｂ……Ｌ字状部分、１０ｃ……付加磁性体、
１２……第１の消去用ギヤツプ、１３……第１の
消去用コア、１５……第２の消去用ギヤツプ、１
６……第２の消去用コア。 FIG. 1 is a plan view showing a tunnel erase type magnetic head of a magnetic disk device according to an embodiment of the present invention. FIG. 2 is a front view of the magnetic head shown in FIG. 1. Third
The figure is a left side view of the magnetic head in Figure 2, Figure 4 is a right side view of the magnetic head in Figure 2, and Figure 5 is a portion of the magnetic head in Figure 1 with the coil and short-circuiting magnetic piece removed. It is an exploded perspective view. 1... Central layer, 2... First outer layer, 3... Second
outer layer, 4...first slider, 5...second slider, 6...magnetic piece, 7...signal conversion coil, 8...erasing coil, 9...R/W gap,
10...R/W core, 10a...square columnar part,
10b... L-shaped part, 10c... Additional magnetic body,
12...First erasing gap, 13...First erasing core, 15...Second erasing gap, 1
6...Second erasing core.

Claims

[Claims for Utility Model Registration] A magnetic core for signal conversion that has two legs and a magnetic gap for signal conversion that is filled with a non-magnetic spacer between the two legs; a central layer having the same thickness and a non-magnetic reinforcing body that is integrally integrated with one leg of the signal converting magnetic core, and having two legs; a first erasing magnetic core having a first erasing magnetic gap filled with a non-magnetic spacer therebetween; and a first erasing magnetic core having the same thickness as the first erasing magnetic core. a non-magnetic reinforcing body continuous with and integrated with the magnetic core, the first erasing magnetic core facing at least a portion of the reinforcing body of the central layer, and the first erasing magnetic core facing at least a portion of the reinforcing body of the central layer; a first outer layer disposed adjacent to one side of the central layer such that the reinforcing body integral with the magnetic core for signal conversion faces at least a portion of the magnetic core for signal conversion in the central layer; a second erasing magnetic core having legs and a second erasing magnetic gap filled with a non-magnetic spacer between the two legs; and a second erasing magnetic core having the same thickness as the second erasing magnetic core. and a non-magnetic reinforcing body continuous and integrated with the second erasing magnetic core, the second erasing magnetic core being at least a part of the reinforcing body of the central layer. The reinforcing body, which is integral with the second erasing magnetic core, is arranged adjacent to the other side of the central layer so as to face at least a portion of the signal converting magnetic core of the central layer. a magnetic piece for short-circuiting the two legs of the signal conversion magnetic core so as to form a closed magnetic path passing through the signal conversion magnetic gap; and a magnetic piece wound around the signal conversion magnetic core. A tunnel erase type magnetic head comprising at least the following: a signal conversion coil wound around the first and second erasing magnetic cores, wherein the signal conversion magnetic core In addition to having a square columnar part and an L-shaped part connected to each other by a non-magnetic spacer in a magnetic gap for use,
An additional magnetic body is fixed to the square columnar part, the non-magnetic reinforcing body is fixed to one surface of the square columnar part, and the additional magnetic body is fixed to the other surface of the square columnar part. A tunnel erase type magnetic head characterized by: