JPH0210484B2 - - Google Patents

Info

Publication number
JPH0210484B2
JPH0210484B2 JP54134618A JP13461879A JPH0210484B2 JP H0210484 B2 JPH0210484 B2 JP H0210484B2 JP 54134618 A JP54134618 A JP 54134618A JP 13461879 A JP13461879 A JP 13461879A JP H0210484 B2 JPH0210484 B2 JP H0210484B2
Authority
JP
Japan
Prior art keywords
magnetic
coercive force
magnetic powder
powder
card
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 - Lifetime
Application number
JP54134618A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5658130A (en
Inventor
Ichiro Tomioka
Riichiro Yamashita
Kyotake Tanno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Panasonic Mobile Communications Co Ltd
Tomoegawa Co Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Tomoegawa Paper Co Ltd
Matsushita Communication Industrial Co Ltd
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 Mitsubishi Heavy Industries Ltd, Tomoegawa Paper Co Ltd, Matsushita Communication Industrial Co Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP13461879A priority Critical patent/JPS5658130A/ja
Publication of JPS5658130A publication Critical patent/JPS5658130A/ja
Publication of JPH0210484B2 publication Critical patent/JPH0210484B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP13461879A 1979-10-18 1979-10-18 Magnetic card having increased resistance to external magnetic field Granted JPS5658130A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13461879A JPS5658130A (en) 1979-10-18 1979-10-18 Magnetic card having increased resistance to external magnetic field

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13461879A JPS5658130A (en) 1979-10-18 1979-10-18 Magnetic card having increased resistance to external magnetic field

Publications (2)

Publication Number Publication Date
JPS5658130A JPS5658130A (en) 1981-05-21
JPH0210484B2 true JPH0210484B2 (enrdf_load_stackoverflow) 1990-03-08

Family

ID=15132592

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13461879A Granted JPS5658130A (en) 1979-10-18 1979-10-18 Magnetic card having increased resistance to external magnetic field

Country Status (1)

Country Link
JP (1) JPS5658130A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0411215Y2 (enrdf_load_stackoverflow) * 1986-03-19 1992-03-19
JPS63127423A (ja) * 1986-11-17 1988-05-31 Hosokawa Katsupanshiyo:Kk 磁気記録媒体
JPH03256218A (ja) * 1990-03-07 1991-11-14 Toshiba Glass Co Ltd 磁気カード

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5134617Y2 (enrdf_load_stackoverflow) * 1971-07-28 1976-08-26
JPS5428502B2 (enrdf_load_stackoverflow) * 1972-05-19 1979-09-17
US4237189A (en) * 1973-10-31 1980-12-02 Robert J. Deffeyes Polymodal magnetic recording media process for making and verifying the same and compositions useful therein
JPS5738963B2 (enrdf_load_stackoverflow) * 1974-04-05 1982-08-18
JPS5222247U (enrdf_load_stackoverflow) * 1975-08-05 1977-02-17

Also Published As

Publication number Publication date
JPS5658130A (en) 1981-05-21

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