JPH0320012U - - Google Patents
Info
- Publication number
- JPH0320012U JPH0320012U JP7928589U JP7928589U JPH0320012U JP H0320012 U JPH0320012 U JP H0320012U JP 7928589 U JP7928589 U JP 7928589U JP 7928589 U JP7928589 U JP 7928589U JP H0320012 U JPH0320012 U JP H0320012U
- Authority
- JP
- Japan
- Prior art keywords
- layer made
- lower core
- thin film
- magnetic head
- core
- 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.)
- Pending
Links
- 239000010409 thin film Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 239000012212 insulator Substances 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
Landscapes
- Magnetic Heads (AREA)
Description
第１図はこの考案による薄膜磁気ヘツドＭ１の
構成を示す断面図、第２図イは薄膜磁気ヘツドＭ
１の下部コア１０の平面図、同図ロはイに示す一
点鎖線Ｘ４−Ｘ５で切断した下部コア１０の断面
図、第３図は第１図に示す下部コア１０付近を拡
大した図、第４図は従来の薄膜磁気ヘツドＭの構
成を示す平面図、第５図は第４図に示す一点鎖線
Ｘ−Ｘ１で切断した薄膜磁気ヘツドＭの断面図、
第６図は第４図に示す破線Ｙ−Ｙ１で切断した薄
膜磁気ヘツドＭの断面図、第７図は第６図に示す
下部コア３付近を拡大した図である。
１……基板、２……下部絶縁層、１０……下部
コア、４……ギヤツプ層、５……第１絶縁層、６
……コイル導体、７……第２絶縁層、８……上部
コア、Ｄ……段部、Ｍ１……薄膜磁気ヘツド。
FIG. 1 is a sectional view showing the structure of the thin film magnetic head M1 according to this invention, and FIG.
FIG. 3 is a plan view of the lower core 10 shown in FIG. 1, FIG. 4 is a plan view showing the configuration of a conventional thin film magnetic head M, and FIG. 5 is a sectional view of the thin film magnetic head M taken along the dashed line X-X1 shown in FIG.
6 is a sectional view of the thin film magnetic head M taken along the broken line Y-Y1 shown in FIG. 4, and FIG. 7 is an enlarged view of the vicinity of the lower core 3 shown in FIG. DESCRIPTION OF SYMBOLS 1... Substrate, 2... Lower insulating layer, 10... Lower core, 4... Gap layer, 5... First insulating layer, 6
... Coil conductor, 7 ... Second insulating layer, 8 ... Upper core, D ... Step portion, M1 ... Thin film magnetic head.
Claims (1)
コア上に非磁性体からなるギヤツプ層、導体から
なるコイル層、絶縁体からなる絶縁層および上部
コアが形成されてなる薄膜磁気ヘツドにおいて、 トラツク部を除く前記下部コアの周囲に段部を
形成したことを特徴とする薄膜磁気ヘツド。[Claims for Utility Model Registration] A lower core is formed on a non-magnetic substrate, and a gap layer made of a non-magnetic material, a coil layer made of a conductor, an insulating layer made of an insulator, and an upper core are formed on this lower core. 1. A thin film magnetic head comprising: a step portion formed around the lower core excluding the track portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7928589U JPH0320012U (en) | 1989-07-05 | 1989-07-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7928589U JPH0320012U (en) | 1989-07-05 | 1989-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0320012U true JPH0320012U (en) | 1991-02-27 |
Family
ID=31623306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7928589U Pending JPH0320012U (en) | 1989-07-05 | 1989-07-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0320012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0648913U (en) * | 1991-09-30 | 1994-07-05 | 株式会社松本製作所 | Automatic drafting device for leveler feeder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50142214A (en) * | 1974-05-02 | 1975-11-15 | ||
| JPS50146315A (en) * | 1974-05-15 | 1975-11-25 | ||
| JPS6254810A (en) * | 1985-09-03 | 1987-03-10 | Hitachi Ltd | Thin film magnetic head |
-
1989
- 1989-07-05 JP JP7928589U patent/JPH0320012U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50142214A (en) * | 1974-05-02 | 1975-11-15 | ||
| JPS50146315A (en) * | 1974-05-15 | 1975-11-25 | ||
| JPS6254810A (en) * | 1985-09-03 | 1987-03-10 | Hitachi Ltd | Thin film magnetic head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0648913U (en) * | 1991-09-30 | 1994-07-05 | 株式会社松本製作所 | Automatic drafting device for leveler feeder |