JPS58125233U

JPS58125233U - magnetic head

Info

Publication number: JPS58125233U
Application number: JP2221782U
Authority: JP
Inventors: 藤田　正義; 「肉」戸　光雄
Original assignee: ソニー株式会社
Priority date: 1982-02-19
Filing date: 1982-02-19
Publication date: 1983-08-25

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図及び第２図は従来の２素子磁気ヘツドの一例を示
す断面図及びその■−■線上の断面図、第３図は本考案
による磁気ヘッドの一例を示す一部断面とする正面図、
第４図は第３図のＩＶ−ＩＶ綿線上断面図、第５図は第
４図の■−■線上の断面図、第６図は第４図のＶＩ−Ｖ
Ｉ縁線上断面図、第７図は第４図の■−■線上の断面図
、第８図は第３−図の要部の拡大断面図、第９図及び第
１０図は本考案のヘッド素子の正面図及びそのＸ−Ｘ線
上の断面図、第１１図Ａ及びＢは磁気コア半休の例を芥
子正面歯及びその側面図、第１２図Ａ及びＢは一方の非
磁性サイドコア半体の例−を示す正面図及びその側面図
、第１３図Ａ及びＢは他方の非磁性　　。サイドコア半体の例を示す正面図及びその側面図、第１
４薗は複数の磁気コア半休を積み重ねた状態の側面図、
第１５図は本考案の他の例を示す要部の拡大断面図、第
１６図及び第１７図は本考案のさらに他の例を示す断面
図である。２０はシールドケース、２（及び２２はヘッド素子、２
．４７はジイルボビン、２８はコイル、２９は磁気コア
、３０及び３１は非磁性のサイドコア、４８は孔部、４
９は突部である。1 and 2 are a sectional view showing an example of a conventional two-element magnetic head and a sectional view taken along line 1--2, and FIG. 3 is a partially sectional front view showing an example of a magnetic head according to the present invention. ,
Figure 4 is a cross-sectional view taken along line IV-IV in Figure 3, Figure 5 is a cross-sectional view taken along line ■-■ in Figure 4, and Figure 6 is a cross-sectional view taken along line VI-V in Figure 4.
7 is a sectional view taken along the line ■-■ of FIG. 4, FIG. 8 is an enlarged sectional view of the main part of FIG. A front view of the element and a sectional view thereof taken along the line X-X, Figures 11A and B show an example of a half-closed magnetic core with a mustard front tooth and its side view, and Figures 12A and B show a half of one non-magnetic side core. A front view and a side view of the example, and FIGS. 13A and 13B show the other non-magnetic material. Front view and side view of an example of a side core half, 1st
4. A side view of multiple magnetic cores stacked together.
FIG. 15 is an enlarged cross-sectional view of a main part showing another example of the present invention, and FIGS. 16 and 17 are cross-sectional views showing still other examples of the present invention. 20 is a shield case, 2 (and 22 is a head element, 2
．． 47 is a coil bobbin, 28 is a coil, 29 is a magnetic core, 30 and 31 are non-magnetic side cores, 48 is a hole, 4
9 is a protrusion.

Claims

[Scope of utility model registration request]

A magnetic core having an operating magnetic gap in which non-magnetic side cores are laminated and combined on both sides, a protrusion is formed in at least a part of one of the non-magnetic side cores, and the protrusion of the other non-magnetic side core is provided. A magnetic head with holes formed at positions corresponding to the .