JPS6384711U - - Google Patents

Info

Publication number
JPS6384711U
JPS6384711U JP17906686U JP17906686U JPS6384711U JP S6384711 U JPS6384711 U JP S6384711U JP 17906686 U JP17906686 U JP 17906686U JP 17906686 U JP17906686 U JP 17906686U JP S6384711 U JPS6384711 U JP S6384711U
Authority
JP
Japan
Prior art keywords
core
yoke
magnetic head
thin film
film magnetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP17906686U
Other languages
Japanese (ja)
Other versions
JPH0433527Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1986179066U priority Critical patent/JPH0433527Y2/ja
Publication of JPS6384711U publication Critical patent/JPS6384711U/ja
Application granted granted Critical
Publication of JPH0433527Y2 publication Critical patent/JPH0433527Y2/ja
Expired legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図および第２図は、この考案の実施例を示
すもので、第１図は平面図、第２図は第１図のＡ
―Ａ線断面側面図である。第３図乃至第５図は、
従来例を示すもので、第３図および第４図は要部
拡大平面図、第５図は研摩状態を説明するための
平面図である。 １，１１：研摩マーク、１２ａ，１２ｂ，１２
ｃ：研摩マーク、２：コアまたはヨーク、３：コ
イル、４：下部磁性層。 Figures 1 and 2 show an embodiment of this invention, with Figure 1 being a plan view and Figure 2 being A of Figure 1.
-A cross-sectional side view. Figures 3 to 5 are
A conventional example is shown in which FIGS. 3 and 4 are enlarged plan views of the main parts, and FIG. 5 is a plan view for explaining the polishing state. 1, 11: Polishing mark, 12a, 12b, 12
c: polishing mark, 2: core or yoke, 3: coil, 4: lower magnetic layer.

Claims (1)

【実用新案登録請求の範囲】 (1) 複数トラツクを有する薄膜磁気ヘツドにお
いて、 コアまたはヨークに研摩マークを示す部分を形
成したことを特徴とする薄膜磁気ヘツド。 (2) 複数トラツクを有する薄膜磁気ヘツドの両
端および中央に位置するコアまたはヨークの研摩
マークを所定のデプス量の位置を表示するパター
ンにて形成するとともに、それ以外に位置するコ
アまたはヨークの研摩マークを、中央方向に向か
つて順次階段状に突出量を増加させ所定のデプス
量の位置に至る研摩加工時の目安となる表示パタ
ーンにて形成したものであることを特徴とする実
用新案登録請求の範囲第(1)項記載の薄膜磁気ヘ
ツド。 (3) コアまたはヨークに形成した研摩マークは
、中央に位置するコアまたはヨークを境にして左
右対称に形成されていることを特徴とする実用新
案登録請求の範囲第(1)項記載の薄膜磁気ヘツド
。[Claims for Utility Model Registration] (1) A thin-film magnetic head having a plurality of tracks, characterized in that a portion showing polishing marks is formed on the core or yoke. (2) Polishing marks on the core or yoke located at both ends and the center of a thin film magnetic head having multiple tracks are formed in a pattern indicating the position of a predetermined depth, and the core or yoke located at other locations is polished. A request for registration of a utility model characterized in that the mark is formed in a display pattern that gradually increases the protrusion amount in a stepwise manner toward the center and serves as a guide during polishing until the position reaches a predetermined depth. The thin film magnetic head according to item (1). (3) The thin film according to claim 1 of claim 1, wherein the polishing marks formed on the core or yoke are formed symmetrically with respect to the centrally located core or yoke. magnetic head.
JP1986179066U 1986-11-22 1986-11-22 Expired JPH0433527Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986179066U JPH0433527Y2 (en) 1986-11-22 1986-11-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986179066U JPH0433527Y2 (en) 1986-11-22 1986-11-22

Publications (2)

Publication Number Publication Date
JPS6384711U true JPS6384711U (en) 1988-06-03
JPH0433527Y2 JPH0433527Y2 (en) 1992-08-11

Family

ID=31121788

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986179066U Expired JPH0433527Y2 (en) 1986-11-22 1986-11-22

Country Status (1)

Country Link
JP (1) JPH0433527Y2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51156811U (en) * 1975-06-06 1976-12-14
JPS545708A (en) * 1977-06-15 1979-01-17 Fujitsu Ltd Production of thin-film magnetic heads
JPS61240417A (en) * 1985-04-17 1986-10-25 Seiko Epson Corp Production of magnetic head
JPS61243910A (en) * 1985-04-20 1986-10-30 Sanyo Electric Co Ltd Thin film magnetic head

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51156811U (en) * 1975-06-06 1976-12-14
JPS545708A (en) * 1977-06-15 1979-01-17 Fujitsu Ltd Production of thin-film magnetic heads
JPS61240417A (en) * 1985-04-17 1986-10-25 Seiko Epson Corp Production of magnetic head
JPS61243910A (en) * 1985-04-20 1986-10-30 Sanyo Electric Co Ltd Thin film magnetic head

Also Published As

Publication number Publication date
JPH0433527Y2 (en) 1992-08-11

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