GB2227116B - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
GB2227116B
GB2227116B GB8927275A GB8927275A GB2227116B GB 2227116 B GB2227116 B GB 2227116B GB 8927275 A GB8927275 A GB 8927275A GB 8927275 A GB8927275 A GB 8927275A GB 2227116 B GB2227116 B GB 2227116B
Authority
GB
United Kingdom
Prior art keywords
recording medium
magnetic recording
magnetic
medium
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.)
Expired - Fee Related
Application number
GB8927275A
Other versions
GB8927275D0 (en
GB2227116A (en
Inventor
Mitsuru Takai
Shigeo Kurose
Takahiro Ookusa
Koji Kobayashi
Masashi Hayama
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Publication of GB8927275D0 publication Critical patent/GB8927275D0/en
Publication of GB2227116A publication Critical patent/GB2227116A/en
Application granted granted Critical
Publication of GB2227116B publication Critical patent/GB2227116B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
GB8927275A 1988-12-02 1989-12-01 Magnetic recording medium Expired - Fee Related GB2227116B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63303900A JP2848833B2 (en) 1988-12-02 1988-12-02 Magnetic recording media

Publications (3)

Publication Number Publication Date
GB8927275D0 GB8927275D0 (en) 1990-01-31
GB2227116A GB2227116A (en) 1990-07-18
GB2227116B true GB2227116B (en) 1993-01-13

Family

ID=17926620

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8927275A Expired - Fee Related GB2227116B (en) 1988-12-02 1989-12-01 Magnetic recording medium

Country Status (3)

Country Link
JP (1) JP2848833B2 (en)
DE (1) DE3939625C2 (en)
GB (1) GB2227116B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0477641A3 (en) * 1990-09-11 1993-05-05 Tdk Corporation Magnetic recording medium for digital recording
JPH064850A (en) * 1992-06-22 1994-01-14 Sony Corp Magnetic recording medium and magnetic recording method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072406A (en) * 1980-03-25 1981-09-30 Tdk Electronics Co Ltd Magnetic recording medium

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54141608A (en) * 1978-04-26 1979-11-05 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS5634139A (en) * 1979-08-22 1981-04-06 Ulvac Corp Magnetic recording medium
JPS5694520A (en) * 1979-12-28 1981-07-31 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS573223A (en) * 1980-06-03 1982-01-08 Tdk Corp Magnetic recording medium

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072406A (en) * 1980-03-25 1981-09-30 Tdk Electronics Co Ltd Magnetic recording medium

Also Published As

Publication number Publication date
JPH02152007A (en) 1990-06-12
DE3939625A1 (en) 1990-06-07
DE3939625C2 (en) 1999-11-11
GB8927275D0 (en) 1990-01-31
GB2227116A (en) 1990-07-18
JP2848833B2 (en) 1999-01-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20011201