FR2452153B1 - - Google Patents

Info

Publication number
FR2452153B1
FR2452153B1 FR8006160A FR8006160A FR2452153B1 FR 2452153 B1 FR2452153 B1 FR 2452153B1 FR 8006160 A FR8006160 A FR 8006160A FR 8006160 A FR8006160 A FR 8006160A FR 2452153 B1 FR2452153 B1 FR 2452153B1
Authority
FR
France
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
Application number
FR8006160A
Other languages
French (fr)
Other versions
FR2452153A1 (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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of FR2452153A1 publication Critical patent/FR2452153A1/en
Application granted granted Critical
Publication of FR2452153B1 publication Critical patent/FR2452153B1/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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/038—Centering or locking of a plurality of discs in a single cartridge
    • 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
    • G11B23/021—Containers; Storing means both adapted to cooperate with the recording or reproducing means comprising means for reducing influence of physical parameters, e.g. temperature change, moisture
    • 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
FR8006160A 1979-03-20 1980-03-19 Magnetic disc storage device - has cooling increased by radial air channels in spacing rings between magnetic discs in stack Granted FR2452153A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3179579A JPS5827589B2 (en) 1979-03-20 1979-03-20 magnetic disk storage device

Publications (2)

Publication Number Publication Date
FR2452153A1 FR2452153A1 (en) 1980-10-17
FR2452153B1 true FR2452153B1 (en) 1985-03-29

Family

ID=12340994

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8006160A Granted FR2452153A1 (en) 1979-03-20 1980-03-19 Magnetic disc storage device - has cooling increased by radial air channels in spacing rings between magnetic discs in stack

Country Status (3)

Country Link
JP (1) JPS5827589B2 (en)
DE (1) DE3010236C2 (en)
FR (1) FR2452153A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6058548B2 (en) * 1980-10-29 1985-12-20 富士通株式会社 magnetic disk device
US4639802A (en) * 1984-06-25 1987-01-27 International Business Machines Corporation Shrink ring for disk clamping
JPH0690784B2 (en) * 1986-04-14 1994-11-14 帝人株式会社 Magnetic recording tape
US4819105A (en) * 1987-10-26 1989-04-04 Edwards William J Spacer for disks in a disk drive
US5956203A (en) * 1997-08-26 1999-09-21 International Business Machines Corporation Disk drive having an insert with a channel for directing air flow to a rotary actuator voicecoil
KR100468738B1 (en) * 2002-06-19 2005-01-29 삼성전자주식회사 Disk spacer for hard disk drive

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3487390A (en) * 1966-11-25 1969-12-30 Ncr Co Automatic protective cover for an interchangeable disc assembly
US3825951A (en) * 1970-02-06 1974-07-23 Kogyo Gijutsuin Magnetic disc memory
US3688289A (en) * 1970-05-13 1972-08-29 Georg Schnell Magnetic disc pack and arrangement for aerating the same
US3710357A (en) * 1970-07-02 1973-01-09 Ibm Magnetic disk storage file in sealed enclosure
GB1342495A (en) * 1971-03-13 1974-01-03 Ibm Transducer arms for magnetic disc recording and or reproducing apparatus
US3846835A (en) * 1973-05-29 1974-11-05 Sperry Rand Corp Clean air system for magnetic storage disk pack
US3846837A (en) * 1973-06-20 1974-11-05 Intelligent Memory Syst Inc Stacked flexible disc unit with head plugs
US4008492A (en) * 1975-07-23 1977-02-15 Control Data Corporation Thermally stabilized enclosure for magnetic disk
JPS5276009A (en) * 1975-12-22 1977-06-25 Fujitsu Ltd Magnetic disk cartridge
US4118746A (en) * 1977-03-04 1978-10-03 Burroughs Corporation High performance floppy pack and associated system
US4130845A (en) * 1977-07-08 1978-12-19 Microdata Corporation Disc cabinet recirculating air flow system

Also Published As

Publication number Publication date
DE3010236C2 (en) 1987-07-09
DE3010236A1 (en) 1980-09-25
FR2452153A1 (en) 1980-10-17
JPS55125588A (en) 1980-09-27
JPS5827589B2 (en) 1983-06-10

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse