JPS6418404U - - Google Patents
Info
- Publication number
- JPS6418404U JPS6418404U JP11209587U JP11209587U JPS6418404U JP S6418404 U JPS6418404 U JP S6418404U JP 11209587 U JP11209587 U JP 11209587U JP 11209587 U JP11209587 U JP 11209587U JP S6418404 U JPS6418404 U JP S6418404U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- magnetic poles
- layer
- thin film
- magnetic head
- 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 3
- 239000000758 substrate Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
Landscapes
- Magnetic Heads (AREA)
Description
第１図は本考案の第一の実施例を示す断面図、
第２図は第１図の実施例を積層面に対して垂直方
向から見た平面図、第３図は第２図の磁極付近の
拡大平面図、第４図は本考案の第二の実施例を示
す断面図、第５図は従来の薄膜ヘツドの一例を示
す断面図、第６図は第５図の例において上絶縁層
を形成するフオトレジストが薄く塗布された場合
の例を示す断面図である。
１，１１，２１，３１……下部磁極、２，１２
，２２，３２……上部磁極、３，１３，２３，３
３，４０……コイル、４，１４，２４，３４……
下絶縁層、５，１５，２５，３５……上絶縁層、
６……ギヤツプ、７，１７，２７，３７……基板
、４１……中間絶縁層。
FIG. 1 is a sectional view showing a first embodiment of the present invention;
Fig. 2 is a plan view of the embodiment shown in Fig. 1 viewed from a direction perpendicular to the laminated surface, Fig. 3 is an enlarged plan view of the vicinity of the magnetic pole in Fig. 2, and Fig. 4 is a second embodiment of the present invention. FIG. 5 is a cross-sectional view showing an example of a conventional thin film head. FIG. 6 is a cross-sectional view showing an example in which the photoresist forming the upper insulating layer is applied thinly in the example of FIG. It is a diagram. 1, 11, 21, 31...lower magnetic pole, 2, 12
, 22, 32...Top magnetic pole, 3, 13, 23, 3
3,40...Coil, 4,14,24,34...
Lower insulating layer, 5, 15, 25, 35... Upper insulating layer,
6... Gap, 7, 17, 27, 37... Substrate, 41... Intermediate insulating layer.
Claims (1)
の間に設けて絶縁層によつて前記磁極との間およ
びコイル層相互間を絶縁した少くとも１層のコイ
ルを有する薄膜磁気ヘツドにおいて、前記各層の
コイルの最外周部の厚さを他の部分の厚さよりも
薄くしたことを特徴とする薄膜磁気ヘツド。 A thin film magnetic head comprising two upper and lower magnetic poles formed on a substrate, and at least one layer of coil provided between the magnetic poles and insulated from the magnetic poles and between the coil layers by an insulating layer, A thin film magnetic head characterized in that the outermost peripheral portion of the coil in each layer is thinner than the other portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11209587U JPS6418404U (en) | 1987-07-21 | 1987-07-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11209587U JPS6418404U (en) | 1987-07-21 | 1987-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6418404U true JPS6418404U (en) | 1989-01-30 |
Family
ID=31350731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11209587U Pending JPS6418404U (en) | 1987-07-21 | 1987-07-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6418404U (en) |
-
1987
- 1987-07-21 JP JP11209587U patent/JPS6418404U/ja active Pending
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