JPS5635A - Magnetic disc - Google Patents

Magnetic disc

Info

Publication number
JPS5635A
JPS5635A JP7528179A JP7528179A JPS5635A JP S5635 A JPS5635 A JP S5635A JP 7528179 A JP7528179 A JP 7528179A JP 7528179 A JP7528179 A JP 7528179A JP S5635 A JPS5635 A JP S5635A
Authority
JP
Japan
Prior art keywords
magnetic disc
groove
loading zone
providing
stop system
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
JP7528179A
Other languages
Japanese (ja)
Inventor
Takeo Hinobayashi
Koichi Makino
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP7528179A priority Critical patent/JPS5635A/en
Publication of JPS5635A publication Critical patent/JPS5635A/en
Pending 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers

Landscapes

  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE:To avoid the damage of magnetic head, by providing the groove of cocentricity, on the magnetic disc surface of the loading zone of the magnetic disc providing the loading zone in use with the contact start-stop system. CONSTITUTION:In the magnetic disc 1 providing the loading zone 2 in use with the contact start-stop system, cocentric groove 15 is provided on the surface of the magnetic disc 1 of the loading zone 2. In this case, the groove 15 is provided by corresponding to the circle drawn when the read/write gap 6 of the magnetic head 4 is located in the contact start-stop system, and the width is made greater than the track width 14 and smaller than the width of the air bearing 7, and it is preferable to fill in lubricant in the groove 15. Thus, the damage of the magnetic head 4 in contact with the surface of the magnetic disc 1 can be avoided.
JP7528179A 1979-06-15 1979-06-15 Magnetic disc Pending JPS5635A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7528179A JPS5635A (en) 1979-06-15 1979-06-15 Magnetic disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7528179A JPS5635A (en) 1979-06-15 1979-06-15 Magnetic disc

Publications (1)

Publication Number Publication Date
JPS5635A true JPS5635A (en) 1981-01-06

Family

ID=13571680

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7528179A Pending JPS5635A (en) 1979-06-15 1979-06-15 Magnetic disc

Country Status (1)

Country Link
JP (1) JPS5635A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5354679A (en) * 1991-06-25 1994-10-11 Nippon Suisan Kaisha, Ltd. Microorganism immobilization in a β-chitin carrier
US6396661B1 (en) * 1998-08-19 2002-05-28 Fujitsu Limited Magnetic disk drive capable of preventing stiction of magnetic head
US6927941B1 (en) 1997-03-28 2005-08-09 Hitachi Global Storage Technologies Netherlands Bv Disk drive disk with landing zone having textured and untextured regions

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5354679A (en) * 1991-06-25 1994-10-11 Nippon Suisan Kaisha, Ltd. Microorganism immobilization in a β-chitin carrier
US6927941B1 (en) 1997-03-28 2005-08-09 Hitachi Global Storage Technologies Netherlands Bv Disk drive disk with landing zone having textured and untextured regions
US6396661B1 (en) * 1998-08-19 2002-05-28 Fujitsu Limited Magnetic disk drive capable of preventing stiction of magnetic head
US6552872B2 (en) 1998-08-19 2003-04-22 Fujitsu Limited Magnetic disk drive capable of preventing stiction of magnetic head

Similar Documents

Publication Publication Date Title
JPS5423517A (en) Floating head slider
JPS545705A (en) Double layer magnetic recording medium
JPS5251908A (en) Magnetic recording tape
JPS5228304A (en) Magnetic recording media
JPS5421806A (en) Magnetic recording medium
JPS578926A (en) Magnetic recording body
JPS5635A (en) Magnetic disc
JPS55157161A (en) Magnetic disc device
CA2027024A1 (en) Magnetic head for magneto-optical recording and magneto-optical recording head
JPS57169936A (en) Optical disc device
JPS5423508A (en) Magnetic disc medium
JPS57167164A (en) Magnetic head supporting device of magnetic recording device for two-sided medium
JPS5573976A (en) Magnetic disk device
JPS56143522A (en) Magnetic recording medium
JPS5249805A (en) Magnetic recording medium
JPS52142756A (en) Nitrocellulose and magnetic recording media
JPS5324815A (en) Magnet ic head
GB1275006A (en) Multiple surface fluid film bearing
JPS5249804A (en) Magnetic recording medium
JPS51151105A (en) Evaluation method of contact start and stop type magnetic head slider
JPS6433713A (en) Magnetic recording medium
JPS5381106A (en) Magnetic card and its manufacture
JPS5593557A (en) Tape lifting unit
JPS51135614A (en) Rotary head magnetic recording device
JPS57103158A (en) Magnetic disk device