IT1012912B - Sistema ad aria pulita per pacchi di dischi di memorie magnetiche - Google Patents
Sistema ad aria pulita per pacchi di dischi di memorie magneticheInfo
- Publication number
- IT1012912B IT1012912B IT23295/74A IT2329574A IT1012912B IT 1012912 B IT1012912 B IT 1012912B IT 23295/74 A IT23295/74 A IT 23295/74A IT 2329574 A IT2329574 A IT 2329574A IT 1012912 B IT1012912 B IT 1012912B
- Authority
- IT
- Italy
- Prior art keywords
- magnetic memory
- clean air
- air system
- memory disk
- disk packs
- Prior art date
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
- G11B23/50—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
- 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
- G11B23/032—Containers for flat record carriers for rigid discs
- G11B23/0323—Containers for flat record carriers for rigid discs for disc-packs
-
- 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
- G11B5/41—Cleaning of heads
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00365007A US3846835A (en) | 1973-05-29 | 1973-05-29 | Clean air system for magnetic storage disk pack |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1012912B true IT1012912B (it) | 1977-03-10 |
Family
ID=23437099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23295/74A IT1012912B (it) | 1973-05-29 | 1974-05-28 | Sistema ad aria pulita per pacchi di dischi di memorie magnetiche |
Country Status (6)
Country | Link |
---|---|
US (1) | US3846835A (it) |
JP (1) | JPS5810789B2 (it) |
DE (1) | DE2425575C3 (it) |
FR (1) | FR2232032B1 (it) |
GB (1) | GB1458286A (it) |
IT (1) | IT1012912B (it) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51133208U (it) * | 1975-04-18 | 1976-10-27 | ||
US4008492A (en) * | 1975-07-23 | 1977-02-15 | Control Data Corporation | Thermally stabilized enclosure for magnetic disk |
DE2732432C2 (de) * | 1977-07-18 | 1988-05-05 | Nixdorf Computer Ag, 4790 Paderborn | Schwenkarm für einen Magnetplattenspeicher |
GB2024495B (en) * | 1978-05-16 | 1982-12-22 | Burroughs Corp | Record-disc cover having air filtration section |
US4190870A (en) * | 1978-07-05 | 1980-02-26 | International Business Machines Corporation | Disk drive assembly |
JPS5827589B2 (ja) * | 1979-03-20 | 1983-06-10 | 日本電信電話株式会社 | 磁気デイスク記憶装置 |
US4280155A (en) * | 1979-06-04 | 1981-07-21 | Memorex Mini Disc Drive Corp. | Method of improving air flow in compact disc drive |
US4317146A (en) * | 1979-12-03 | 1982-02-23 | Micropolis Corporation | Compact magnetic disk storage system |
FR2475267A1 (fr) * | 1980-01-31 | 1981-08-07 | Cii Honeywell Bull | Plate-forme contenant au moins un transducteur de lecture et/ou d'enregistrement d'un support d'informations |
US4367502A (en) * | 1980-04-11 | 1983-01-04 | Shugart Technology | Fixed hard disc drive assembly and clean air system |
US4396964A (en) * | 1980-07-02 | 1983-08-02 | Storage Technology Corporation | Recirculating air system for magnetic disk drive |
US4367503A (en) * | 1980-12-24 | 1983-01-04 | International Business Machines Corporation | Fermetically sealed disk file |
FR2521386A1 (fr) * | 1982-02-11 | 1983-08-12 | Cii Honeywell Bull | Systeme de ventilation d'une cartouche pour disque(s) magnetique(s) amovible(s) et cartouche ventilee par ce systeme |
US4488193A (en) * | 1983-03-30 | 1984-12-11 | International Business Machines Corporation | Closed loop cooling system for disk file with heat exchanger integral with baseplate |
US4947275A (en) * | 1988-03-23 | 1990-08-07 | Digital Equipment Corp. | Detachable head-load beam slider arm for disk drive |
JPH057666A (ja) * | 1991-07-02 | 1993-01-19 | Ace Denken:Kk | トランプカード式ゲーム盤 |
US5346518A (en) * | 1993-03-23 | 1994-09-13 | International Business Machines Corporation | Vapor drain system |
US5898545A (en) * | 1997-07-01 | 1999-04-27 | International Business Machines Corporation | Head load/unload and disk airflow control apparatus |
US6097568A (en) * | 1998-08-04 | 2000-08-01 | Ekhoff; Donald L. | Air dams positioned between spinning disks for reducing the vibration in a data storage device |
KR100510162B1 (ko) * | 2000-06-14 | 2005-08-26 | 시게이트 테크놀로지 엘엘씨 | 유동장 난류를 감소시키기 위한 드라이브 레벨 유동장 조절 |
US6882501B2 (en) * | 2000-11-30 | 2005-04-19 | Maxtor Corporation | Flow modification for reducing track misregistration in hard disk drives |
JP2002208133A (ja) * | 2001-01-10 | 2002-07-26 | Agilent Technologies Japan Ltd | 記録装置のための測定装置用筺体 |
WO2003023784A1 (en) * | 2001-09-10 | 2003-03-20 | Koninklijke Philips Electronics N.V. | Recording/reproducing device |
JP2004185662A (ja) * | 2002-11-29 | 2004-07-02 | Agilent Technologies Japan Ltd | 検査装置用送風装置及びそれを備えた検査装置筐体 |
US20090229639A1 (en) * | 2008-03-14 | 2009-09-17 | Seagate Technology Llc | Particle Purge System |
KR101079527B1 (ko) * | 2009-09-25 | 2011-11-03 | 삼성전기주식회사 | 모터 및 디스크 구동 장치 |
US8313579B2 (en) * | 2009-11-12 | 2012-11-20 | Seagate Technology Llc | Workpiece cleaning |
US8345378B2 (en) * | 2009-12-29 | 2013-01-01 | Hitachi Global Storage Technologies, Netherlands B.V. | Air pump in a hard disk drive (HDD) |
US8345377B2 (en) * | 2009-12-29 | 2013-01-01 | Hgst, Netherlands B.V. | Aerodynamic device directing pressurized airflow to ports in the device for aerostatic sealing in a hard disk drive(HDD) |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1065629B (it) * | 1954-01-25 | |||
BE553009A (it) * | 1955-02-02 | |||
US2886651A (en) * | 1955-04-08 | 1959-05-12 | Ibm | Air head |
US3108259A (en) * | 1957-10-18 | 1963-10-22 | Sperry Rand Corp | Pneumatically positioned record member |
GB849488A (en) * | 1957-12-07 | 1960-09-28 | Ferranti Ltd | Improvements relating to rotatable storage surfaces |
NL236375A (it) * | 1958-02-21 | 1900-01-01 | ||
US3205503A (en) * | 1958-11-13 | 1965-09-07 | Ex Cell O Corp | Apparatus for maintaining a predetermined air gap between a transducer head and a record medium in a magnetic data storage device |
US3018152A (en) * | 1958-12-30 | 1962-01-23 | Ibm | Mounting and operating means for a pneumostatic transducer head |
US3155977A (en) * | 1959-08-31 | 1964-11-03 | Ibm | Resilient recording disk |
US3191179A (en) * | 1961-04-12 | 1965-06-22 | Lab For Electronics Inc | Data processing |
US3229268A (en) * | 1961-04-28 | 1966-01-11 | Burroughs Corp | Detachable electromagnetic air bearing transducer |
US3303485A (en) * | 1963-03-18 | 1967-02-07 | Ampex | Magnetic disc with air bearing which spirals radially outward |
US3320599A (en) * | 1963-06-07 | 1967-05-16 | Burroughs Corp | Mounting and actuating apparatus for a magnetic head |
US3381285A (en) * | 1965-03-17 | 1968-04-30 | Gen Precision Systems Inc | Serrated record disc with internally generated air pressure |
US3523285A (en) * | 1967-11-02 | 1970-08-04 | Ncr Co | Transducing head assembly and forward cantilevered bearing pad |
US3573771A (en) * | 1969-04-21 | 1971-04-06 | Ibm | Flexible disc magnetic storage device |
US3688289A (en) * | 1970-05-13 | 1972-08-29 | Georg Schnell | Magnetic disc pack and arrangement for aerating the same |
US3740735A (en) * | 1970-09-14 | 1973-06-19 | Diablo Systems Inc | Air circulation apparatus |
US3731291A (en) * | 1971-04-12 | 1973-05-01 | Burroughs Corp | Integrated positive pressure and self-purge system |
BE794003A (fr) * | 1972-01-13 | 1973-05-02 | Memorex Corp | Systeme pour regir une circulation d'air |
-
1973
- 1973-05-29 US US00365007A patent/US3846835A/en not_active Expired - Lifetime
-
1974
- 1974-05-24 GB GB2327274A patent/GB1458286A/en not_active Expired
- 1974-05-27 DE DE2425575A patent/DE2425575C3/de not_active Expired
- 1974-05-28 FR FR7418386A patent/FR2232032B1/fr not_active Expired
- 1974-05-28 IT IT23295/74A patent/IT1012912B/it active
- 1974-05-29 JP JP49061423A patent/JPS5810789B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2232032B1 (it) | 1979-08-03 |
GB1458286A (en) | 1976-12-15 |
DE2425575B2 (de) | 1979-06-07 |
US3846835A (en) | 1974-11-05 |
JPS5028820A (it) | 1975-03-24 |
FR2232032A1 (it) | 1974-12-27 |
JPS5810789B2 (ja) | 1983-02-28 |
DE2425575C3 (de) | 1980-02-14 |
DE2425575A1 (de) | 1974-12-19 |
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