JPS54106201A - High packing density information recording carrier - Google Patents

High packing density information recording carrier

Info

Publication number
JPS54106201A
JPS54106201A JP1329278A JP1329278A JPS54106201A JP S54106201 A JPS54106201 A JP S54106201A JP 1329278 A JP1329278 A JP 1329278A JP 1329278 A JP1329278 A JP 1329278A JP S54106201 A JPS54106201 A JP S54106201A
Authority
JP
Japan
Prior art keywords
information recording
packing density
density information
recording carrier
high packing
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
Application number
JP1329278A
Other languages
Japanese (ja)
Inventor
Toshiji Fujita
Senhiko Yamada
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.)
Toppan Inc
Original Assignee
Toppan Printing 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 Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Priority to JP1329278A priority Critical patent/JPS54106201A/en
Publication of JPS54106201A publication Critical patent/JPS54106201A/en
Pending legal-status Critical Current

Links

JP1329278A 1978-02-08 1978-02-08 High packing density information recording carrier Pending JPS54106201A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1329278A JPS54106201A (en) 1978-02-08 1978-02-08 High packing density information recording carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1329278A JPS54106201A (en) 1978-02-08 1978-02-08 High packing density information recording carrier

Publications (1)

Publication Number Publication Date
JPS54106201A true JPS54106201A (en) 1979-08-21

Family

ID=11829110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1329278A Pending JPS54106201A (en) 1978-02-08 1978-02-08 High packing density information recording carrier

Country Status (1)

Country Link
JP (1) JPS54106201A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5998331A (en) * 1983-11-02 1984-06-06 Hitachi Ltd Substrate for optical disk
JPS623443A (en) * 1985-06-28 1987-01-09 Nippon Telegr & Teleph Corp <Ntt> Flexible optical disc and its manufacture

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5998331A (en) * 1983-11-02 1984-06-06 Hitachi Ltd Substrate for optical disk
JPH031734B2 (en) * 1983-11-02 1991-01-11 Hitachi Ltd
JPS623443A (en) * 1985-06-28 1987-01-09 Nippon Telegr & Teleph Corp <Ntt> Flexible optical disc and its manufacture
JPH0375944B2 (en) * 1985-06-28 1991-12-03 Nippon Telegraph & Telephone

Similar Documents

Publication Publication Date Title
GB2026225B (en) Magnetic data carrier for perpendicular recording
JPS5555448A (en) Record carrier
JPS5589923A (en) Disktype record carrier reader
JPS5528600A (en) Disk type record carrier reading device
JPS56137531A (en) Recording carrier
DE3165303D1 (en) Magnetic record carrier
GB2030719B (en) Recording information from different information sources
JPS54115203A (en) Information recording medium
GB2043698B (en) Thermomagnetic record carrier
GB2015376B (en) Magnetic recording medium
JPS57147597A (en) High density information record
GB2039281B (en) Magnetic recording medium
GB2019255B (en) Magnetic recording medium
GB2041382B (en) Magnetic recording medium
GB2015930B (en) Magnetic information carrier
JPS5517899A (en) Information recorder*reproducer
JPS5373114A (en) Recoder reproducer for banddshaped recording carrier
GB2038843B (en) Magnetic recording medium
JPS5553987A (en) Diskklike recording carrier reader
GB2034957B (en) Information recording medium
JPS54130112A (en) High packing density digital magnetic data memory
GB2037782B (en) Magnetic recording medium
JPS54124708A (en) Magnetic record medium
JPS5558831A (en) Preparing layered magnetic recording carrier
GB2030345B (en) Recording tape carrier