JPH0449315U - - Google Patents
Info
- Publication number
- JPH0449315U JPH0449315U JP9101990U JP9101990U JPH0449315U JP H0449315 U JPH0449315 U JP H0449315U JP 9101990 U JP9101990 U JP 9101990U JP 9101990 U JP9101990 U JP 9101990U JP H0449315 U JPH0449315 U JP H0449315U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic recording
- magnetic
- underlayer
- recording medium
- recording layer
- 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
- 239000011521 glass Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
Landscapes
- Magnetic Record Carriers (AREA)
Description
第１図および第２図は各々本考案の実施例およ
び比較例における膜断面構造を模式的に示す説明
図である。
１……ガラス基板、２……下地膜、３……磁気
記録層。
FIG. 1 and FIG. 2 are explanatory diagrams schematically showing membrane cross-sectional structures in an example of the present invention and a comparative example, respectively. DESCRIPTION OF SYMBOLS 1... Glass substrate, 2... Base film, 3... Magnetic recording layer.
Claims (1)
下地膜を介して磁性材料からなる磁気記録層を設
けた磁気記録媒体において、下地膜をＣｒにより
粒間に空間が存在しかつ表面に微小凹凸を有する
柱状構造に形成し、この下地膜上にＣｏ−Ｃｒ−
Ｔａ系材料からなる磁気記録層を設けたことを特
徴とする磁気記録媒体。 In a magnetic recording medium in which a magnetic recording layer made of a magnetic material is provided on a glass substrate with at least an underlayer made of a non-magnetic material interposed therebetween, the underlayer is made of Cr and has a columnar shape with spaces between grains and minute irregularities on the surface. Co-Cr-
A magnetic recording medium comprising a magnetic recording layer made of a Ta-based material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9101990U JPH0449315U (en) | 1990-08-30 | 1990-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9101990U JPH0449315U (en) | 1990-08-30 | 1990-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0449315U true JPH0449315U (en) | 1992-04-27 |
Family
ID=31826268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9101990U Pending JPH0449315U (en) | 1990-08-30 | 1990-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449315U (en) |
-
1990
- 1990-08-30 JP JP9101990U patent/JPH0449315U/ja active Pending
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