FR2287744A1 - SMALL SELF-LUBRICATING MAGNETIC RECORDING DISC - Google Patents

SMALL SELF-LUBRICATING MAGNETIC RECORDING DISC

Info

Publication number
FR2287744A1
FR2287744A1 FR7530487A FR7530487A FR2287744A1 FR 2287744 A1 FR2287744 A1 FR 2287744A1 FR 7530487 A FR7530487 A FR 7530487A FR 7530487 A FR7530487 A FR 7530487A FR 2287744 A1 FR2287744 A1 FR 2287744A1
Authority
FR
France
Prior art keywords
magnetic recording
recording disc
small self
lubricating magnetic
lubricating
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.)
Granted
Application number
FR7530487A
Other languages
French (fr)
Other versions
FR2287744B1 (en
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of FR2287744A1 publication Critical patent/FR2287744A1/en
Application granted granted Critical
Publication of FR2287744B1 publication Critical patent/FR2287744B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/033—Containers for flat record carriers for flexible discs
    • G11B23/0332—Containers for flat record carriers for flexible discs for single discs, e.g. envelopes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/50—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges
    • G11B23/505—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges of disk carriers
    • 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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/71—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the lubricant
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/04—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen, halogen and oxygen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/06—Perfluoro polymers
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/14—Electric or magnetic purposes
    • C10N2040/16—Dielectric; Insulating oil or insulators
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/14—Electric or magnetic purposes
    • C10N2040/17—Electric or magnetic purposes for electric contacts
FR7530487A 1974-10-07 1975-10-06 SMALL SELF-LUBRICATING MAGNETIC RECORDING DISC Granted FR2287744A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51247474A 1974-10-07 1974-10-07

Publications (2)

Publication Number Publication Date
FR2287744A1 true FR2287744A1 (en) 1976-05-07
FR2287744B1 FR2287744B1 (en) 1980-06-27

Family

ID=24039257

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7530487A Granted FR2287744A1 (en) 1974-10-07 1975-10-06 SMALL SELF-LUBRICATING MAGNETIC RECORDING DISC

Country Status (6)

Country Link
JP (1) JPS552666B2 (en)
CA (1) CA1057396A (en)
DE (1) DE2545091B2 (en)
FR (1) FR2287744A1 (en)
GB (1) GB1508227A (en)
IT (1) IT1047715B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0351251A2 (en) * 1988-07-14 1990-01-17 Hitachi Maxell Ltd. Magnetic disc cartridge
BE1007924A3 (en) * 1992-12-25 1995-11-21 Kao Corp Method and device for the treatment of coating material for magnetic recording medium.

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS529403A (en) * 1975-07-14 1977-01-25 Yoshiro Nakamatsu Bulge recording disc used for electronic computer and so on
JPS6037735Y2 (en) * 1976-10-27 1985-11-11 日立マクセル株式会社 magnetic disk cartridge
JPS5361320A (en) * 1976-11-12 1978-06-01 Hitachi Maxell Method of making magnetic disc cartridge
JPS53110513A (en) * 1977-03-08 1978-09-27 Fuji Photo Film Co Ltd Disc jacket for magnetic recording
JPS5459124A (en) * 1977-10-19 1979-05-12 Hitachi Ltd Magnetic tape cleaning apparatus
JPS6241423Y2 (en) * 1978-04-03 1987-10-23
US4417291A (en) * 1979-12-26 1983-11-22 Minnesota Mining And Manufacturing Company Recording diskette having flocked-fiber wiping fabric
AU558371B2 (en) * 1981-05-30 1987-01-29 Sony Corporation Flexible magnetic disc cassette
US4609956A (en) * 1982-09-02 1986-09-02 Fuji Electrochemical Co., Ltd. Magnetic drum cassette with magnetic drum having voice information recorded thereon
JPH0632193B2 (en) * 1985-01-07 1994-04-27 富士写真フイルム株式会社 Magnetic disk cartridge
GB2268447B (en) * 1992-07-02 1996-07-10 Secr Defence Packaging materials
JPH0636500A (en) * 1992-07-17 1994-02-10 Kao Corp Magnetic disk jacket

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0351251A2 (en) * 1988-07-14 1990-01-17 Hitachi Maxell Ltd. Magnetic disc cartridge
EP0351251A3 (en) * 1988-07-14 1990-07-18 Hitachi Maxell Ltd. Magnetic disc cartridge
US5587860A (en) * 1988-07-14 1996-12-24 Hitachi Maxell, Ltd. Magnetic disc cartridge including a magnetic disc having a cleaning sheet composed of a non-theroplastic fiber
BE1007924A3 (en) * 1992-12-25 1995-11-21 Kao Corp Method and device for the treatment of coating material for magnetic recording medium.

Also Published As

Publication number Publication date
GB1508227A (en) 1978-04-19
DE2545091A1 (en) 1976-04-08
IT1047715B (en) 1980-10-20
JPS552666B2 (en) 1980-01-21
JPS5166818A (en) 1976-06-09
CA1057396A (en) 1979-06-26
FR2287744B1 (en) 1980-06-27
DE2545091B2 (en) 1977-10-20

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Legal Events

Date Code Title Description
ST Notification of lapse