JPS6183110U - - Google Patents
Info
- Publication number
- JPS6183110U JPS6183110U JP16899284U JP16899284U JPS6183110U JP S6183110 U JPS6183110 U JP S6183110U JP 16899284 U JP16899284 U JP 16899284U JP 16899284 U JP16899284 U JP 16899284U JP S6183110 U JPS6183110 U JP S6183110U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- recording medium
- coating film
- coercive force
- magnetic recording
- 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
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Magnetic Record Carriers (AREA)
Description
第１図はこの考案の実施例である磁気カードの
側断面図及びこの磁気カードを読み取る磁気ヘツ
ド側面図、第２図は上記磁気カードのデータが上
記磁気ヘツドを有する磁気カード読取装置によつ
て読み取られる原理を示す図である。
１…基板（基体）、２…磁性体塗膜、３…磁気
遮蔽膜。
FIG. 1 is a side sectional view of a magnetic card which is an embodiment of this invention, and a side view of a magnetic head for reading this magnetic card, and FIG. FIG. 3 is a diagram showing the principle of reading. 1...Substrate (substrate), 2...Magnetic coating film, 3...Magnetic shielding film.
Claims (1)
積層してなる磁気記録媒体。 (2) 磁性体塗膜は略７００エルステツド以下の
保磁力を有する磁気記録媒体に記録するに必要な
外部から与えられた磁束では、記録内容が消去さ
れない保磁力を有する実用新案登録請求の範囲第
１項記載の磁気記録媒体。[Claims for Utility Model Registration] 1. A magnetic recording medium comprising a substrate, a magnetic coating film, and a magnetic shielding film laminated in this order. (2) The magnetic coating film has a coercive force that prevents the recorded content from being erased by the externally applied magnetic flux necessary for recording on a magnetic recording medium with a coercive force of about 700 oersted or less. The magnetic recording medium according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16899284U JPS6183110U (en) | 1984-11-06 | 1984-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16899284U JPS6183110U (en) | 1984-11-06 | 1984-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6183110U true JPS6183110U (en) | 1986-06-02 |
Family
ID=30726748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16899284U Pending JPS6183110U (en) | 1984-11-06 | 1984-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6183110U (en) |
-
1984
- 1984-11-06 JP JP16899284U patent/JPS6183110U/ja active Pending
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