JPS5847530Y2 - 磁気記録体 - Google Patents

磁気記録体

Info

Publication number
JPS5847530Y2
JPS5847530Y2 JP1979031385U JP3138579U JPS5847530Y2 JP S5847530 Y2 JPS5847530 Y2 JP S5847530Y2 JP 1979031385 U JP1979031385 U JP 1979031385U JP 3138579 U JP3138579 U JP 3138579U JP S5847530 Y2 JPS5847530 Y2 JP S5847530Y2
Authority
JP
Japan
Prior art keywords
magnetic
pattern layer
layer
magnetic recording
recording body
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.)
Expired
Application number
JP1979031385U
Other languages
English (en)
Japanese (ja)
Other versions
JPS55132734U (enrdf_load_stackoverflow
Inventor
升平 三村
Original Assignee
東京磁気印刷株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 東京磁気印刷株式会社 filed Critical 東京磁気印刷株式会社
Priority to JP1979031385U priority Critical patent/JPS5847530Y2/ja
Publication of JPS55132734U publication Critical patent/JPS55132734U/ja
Application granted granted Critical
Publication of JPS5847530Y2 publication Critical patent/JPS5847530Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP1979031385U 1979-03-12 1979-03-12 磁気記録体 Expired JPS5847530Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1979031385U JPS5847530Y2 (ja) 1979-03-12 1979-03-12 磁気記録体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979031385U JPS5847530Y2 (ja) 1979-03-12 1979-03-12 磁気記録体

Publications (2)

Publication Number Publication Date
JPS55132734U JPS55132734U (enrdf_load_stackoverflow) 1980-09-19
JPS5847530Y2 true JPS5847530Y2 (ja) 1983-10-29

Family

ID=28882861

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1979031385U Expired JPS5847530Y2 (ja) 1979-03-12 1979-03-12 磁気記録体

Country Status (1)

Country Link
JP (1) JPS5847530Y2 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07118079B2 (ja) * 1986-12-18 1995-12-18 共同印刷株式会社 磁気記録媒体
JPH0818470B2 (ja) * 1987-08-20 1996-02-28 日立マクセル株式会社 磁気カ−ドおよびその記録再生方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1488483A (en) * 1973-10-23 1977-10-12 Emi Ltd Credit cards and other security documents
JPS5256510A (en) * 1975-11-05 1977-05-10 Mitsubishi Heavy Ind Ltd Magnetic recording material
DE2752895A1 (de) * 1976-12-06 1978-06-08 Emi Ltd Verfahren zur herstellung einer materialschicht, deren oberflaeche ein abtastbares muster aufweist, sowie sicherheitsdokumentensystem
US4242400A (en) * 1977-10-15 1980-12-30 E M I Limited Magnetically structured materials

Also Published As

Publication number Publication date
JPS55132734U (enrdf_load_stackoverflow) 1980-09-19

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