IT1047715B - Perfezionamento nei dischetti per registrazioni magnetiche autolubrificanti e procedimento di produzione - Google Patents

Perfezionamento nei dischetti per registrazioni magnetiche autolubrificanti e procedimento di produzione

Info

Publication number
IT1047715B
IT1047715B IT51668/75A IT5166875A IT1047715B IT 1047715 B IT1047715 B IT 1047715B IT 51668/75 A IT51668/75 A IT 51668/75A IT 5166875 A IT5166875 A IT 5166875A IT 1047715 B IT1047715 B IT 1047715B
Authority
IT
Italy
Prior art keywords
registrations
discs
self
improvement
production process
Prior art date
Application number
IT51668/75A
Other languages
English (en)
Italian (it)
Original Assignee
Minnesota Mining & Mfg
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 & Mfg filed Critical Minnesota Mining & Mfg
Application granted granted Critical
Publication of IT1047715B publication Critical patent/IT1047715B/it

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
IT51668/75A 1974-10-07 1975-10-06 Perfezionamento nei dischetti per registrazioni magnetiche autolubrificanti e procedimento di produzione IT1047715B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1047715B true IT1047715B (it) 1980-10-20

Family

ID=24039257

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51668/75A IT1047715B (it) 1974-10-07 1975-10-06 Perfezionamento nei dischetti per registrazioni magnetiche autolubrificanti e procedimento di produzione

Country Status (6)

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

Families Citing this family (14)

* 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 (ja) * 1976-10-27 1985-11-11 日立マクセル株式会社 磁気デイスクカ−トリツジ
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 (fr) * 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 (ja) * 1985-01-07 1994-04-27 富士写真フイルム株式会社 磁気デイスクカ−トリツジ
KR900002242A (ko) * 1988-07-14 1990-02-28 나가이 아쯔시 자기디스크 카트리지
GB2268447B (en) * 1992-07-02 1996-07-10 Secr Defence Packaging materials
JPH0636500A (ja) * 1992-07-17 1994-02-10 Kao Corp 磁気ディスクジャケット
JPH06195922A (ja) * 1992-12-25 1994-07-15 Kao Corp 磁気記録媒体用ライナー材の処理方法及び処理装置

Also Published As

Publication number Publication date
JPS5166818A (fr) 1976-06-09
FR2287744A1 (fr) 1976-05-07
DE2545091A1 (de) 1976-04-08
CA1057396A (fr) 1979-06-26
JPS552666B2 (fr) 1980-01-21
DE2545091B2 (de) 1977-10-20
FR2287744B1 (fr) 1980-06-27
GB1508227A (en) 1978-04-19

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