JPH0449309U - - Google Patents
Info
- Publication number
- JPH0449309U JPH0449309U JP9203190U JP9203190U JPH0449309U JP H0449309 U JPH0449309 U JP H0449309U JP 9203190 U JP9203190 U JP 9203190U JP 9203190 U JP9203190 U JP 9203190U JP H0449309 U JPH0449309 U JP H0449309U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic layer
- thin film
- layer
- groove
- 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 10
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Magnetic Heads (AREA)
Description
第１図乃至第３図は本考案に係り、第１図は薄
膜磁気ヘツドを媒体摺接面側から観た要部斜視図
、第２図は薄膜磁気ヘツドの要部拡大図、第３図
は薄膜磁気ヘツドの製造方法を示す要部斜視図で
ある。第４図〜第６図は従来例に係り、第４図は
薄膜磁気ヘツドの要部断面図、第５図及び第６図
は夫々薄膜磁気ヘツドの要部斜視図である。
１……基板、２……下部磁性層、３……ギヤツ
プスペーサ、４……導体コイル層、５……層間絶
縁層、６……上部磁性層、１１……低飽和磁性層
、１２……溝、１３……凸部、１５……広ギヤツ
プ部、１６……狭ギヤツプ部、ｇｐ……再生ギヤ
ツプ、ｇｒ……記録ギヤツプ。
Figures 1 to 3 relate to the present invention; Figure 1 is a perspective view of the main parts of a thin film magnetic head viewed from the surface in contact with the medium, Figure 2 is an enlarged view of the main parts of the thin film magnetic head, and Figure 3 is an enlarged view of the main parts of the thin film magnetic head. 1 is a perspective view of a main part showing a method of manufacturing a thin film magnetic head; FIG. 4 to 6 relate to a conventional example, in which FIG. 4 is a sectional view of a main part of a thin film magnetic head, and FIGS. 5 and 6 are perspective views of main parts of a thin film magnetic head, respectively. DESCRIPTION OF SYMBOLS 1... Substrate, 2... Lower magnetic layer, 3... Gear spacer, 4... Conductor coil layer, 5... Interlayer insulating layer, 6... Upper magnetic layer, 11... Low saturation magnetic layer, 12... Groove , 13...Convex portion, 15...Wide gap portion, 16...Narrow gap portion, gp ...Reproduction gap, gr ...Recording gap.
Claims (1)
磁性層上にギヤツプスペーサ、導体コイル層及び
該導体コイル層を覆う絶縁層を被着形成し、更に
その上に上部磁性層を被着形成した薄膜磁気ヘツ
ドにおいて、前記下部磁性層の上面に溝を形成し
、前記ギヤツプスペーサの上面のうち前記溝の上
方に位置する部分に凸部を形成し、前記ギヤツプ
スペーサよりなる再生ギヤツプを前記溝と前記凸
部との間に形成される広ギヤツプ部とそれ以外の
部分に形成される狭ギヤツプ部とで構成したこと
を特徴とする薄膜磁気ヘツド。 (2) 前記溝の深さと前記凸部の高さとを等しく
したことを特徴とする請求項(1)記載の薄膜磁気
ヘツド。 (3) 前記ギヤツプスペーサと前記上部磁性層と
の間に、前記下部磁性層及び上部磁性層よりも飽
和磁束密度が小さい低飽和磁性層を形成したこと
を特徴とする請求項(1)又は(2)記載の薄膜磁気ヘ
ツド。[Claims for Utility Model Registration] (1) A lower magnetic layer is deposited on a substrate, a gear spacer, a conductive coil layer, and an insulating layer covering the conductive coil layer are deposited on the lower magnetic layer, and In a thin film magnetic head having an upper magnetic layer deposited thereon, a groove is formed on the upper surface of the lower magnetic layer, a convex portion is formed on a portion of the upper surface of the gear spacer located above the groove, and A thin film magnetic head characterized in that a reproduction gap made of a gear spacer is constituted by a wide gap part formed between the groove and the convex part and a narrow gap part formed in the other part. (2) The thin film magnetic head according to claim 1, wherein the depth of the groove and the height of the convex portion are equal. (3) A low saturation magnetic layer having a lower saturation magnetic flux density than the lower magnetic layer and the upper magnetic layer is formed between the gear spacer and the upper magnetic layer. ) The thin film magnetic head described in ).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9203190U JPH0449309U (en) | 1990-08-31 | 1990-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9203190U JPH0449309U (en) | 1990-08-31 | 1990-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0449309U true JPH0449309U (en) | 1992-04-27 |
Family
ID=31828181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9203190U Pending JPH0449309U (en) | 1990-08-31 | 1990-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449309U (en) |
-
1990
- 1990-08-31 JP JP9203190U patent/JPH0449309U/ja active Pending
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