FR2356234A1 - Tete magnetique munie de moyens anti-electrostatiques - Google Patents

Tete magnetique munie de moyens anti-electrostatiques

Info

Publication number
FR2356234A1
FR2356234A1 FR7714013A FR7714013A FR2356234A1 FR 2356234 A1 FR2356234 A1 FR 2356234A1 FR 7714013 A FR7714013 A FR 7714013A FR 7714013 A FR7714013 A FR 7714013A FR 2356234 A1 FR2356234 A1 FR 2356234A1
Authority
FR
France
Prior art keywords
magnetic head
head equipped
electrostatic means
recording medium
electrostatic charges
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
FR7714013A
Other languages
English (en)
French (fr)
Other versions
FR2356234B1 (OSRAM
Inventor
Gerald R Knutson
Karl A Shidle
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2356234A1 publication Critical patent/FR2356234A1/fr
Application granted granted Critical
Publication of FR2356234B1 publication Critical patent/FR2356234B1/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
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/032—Positioning by moving the door or the cover
    • 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
    • G11B17/022—Positioning or locking of single discs
    • 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/11—Shielding of head against electric or magnetic fields
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49041—Fabricating head structure or component thereof including measuring or testing with significant slider/housing shaping or treating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Magnetic Heads (AREA)
FR7714013A 1976-06-21 1977-05-03 Tete magnetique munie de moyens anti-electrostatiques Granted FR2356234A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/698,235 US4058846A (en) 1976-06-21 1976-06-21 Grounded transducer for magnetic record disks

Publications (2)

Publication Number Publication Date
FR2356234A1 true FR2356234A1 (fr) 1978-01-20
FR2356234B1 FR2356234B1 (OSRAM) 1980-06-27

Family

ID=24804438

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7714013A Granted FR2356234A1 (fr) 1976-06-21 1977-05-03 Tete magnetique munie de moyens anti-electrostatiques

Country Status (7)

Country Link
US (2) US4058846A (OSRAM)
JP (1) JPS537311A (OSRAM)
CA (1) CA1100629A (OSRAM)
DE (1) DE2727532A1 (OSRAM)
FR (1) FR2356234A1 (OSRAM)
GB (1) GB1543542A (OSRAM)
IT (1) IT1115327B (OSRAM)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5460908A (en) * 1977-10-24 1979-05-16 Mitsubishi Electric Corp Both side type flexible disc apparatus
US4317149A (en) * 1980-06-02 1982-02-23 International Business Machines Corporation Magnetic head having static discharge means
JPS6224330Y2 (OSRAM) * 1980-11-28 1987-06-22
JPS57181424A (en) * 1981-04-30 1982-11-08 Hitachi Metals Ltd Magnetic head device
US4642719A (en) * 1982-02-18 1987-02-10 Hitachi Metals, Ltd. Magnetic head assembly
JPS59116917A (ja) * 1982-12-23 1984-07-06 Sankyo Seiki Mfg Co Ltd 磁気ヘツド
DE3482515D1 (de) * 1983-03-22 1990-07-19 Sony Corp Zusammengesetzter magnetischer uebertragungskopf mit einem einzigen magnetpoltyp zur senkrechtaufzeichnung.
JPS6061910A (ja) * 1983-09-16 1985-04-09 Mitsubishi Electric Corp 磁気ヘツド組立体
US4586249A (en) * 1983-12-30 1986-05-06 Westinghouse Electric Corp. Mandrel having an eddy current probe
DE3586171T2 (de) * 1984-03-13 1992-12-17 Olympus Optical Co Magnetische aufnahme-/wiedergabevorrichtung.
US4731686A (en) * 1984-03-21 1988-03-15 Canon Denshi Kabushiki Kaisha Magnetic head
US4593209A (en) * 1984-05-24 1986-06-03 Echlin Inc. Read head for Wiegand Wire
JPS61196412A (ja) * 1985-02-27 1986-08-30 Mitsubishi Electric Corp 磁気ヘツドとその製造方法
US4926274A (en) * 1986-12-04 1990-05-15 Kabushiki Kaisha Toshiba Magnetic head apparatus having surfaces contoured to minimize friction between a magnetic head and a magnetic disk
US4736122A (en) * 1987-04-15 1988-04-05 Echlin Inc. Read head for Wiegand wire
US4928194A (en) * 1988-09-30 1990-05-22 Eastman Kodak Company Anti-static support for a cartridge in a disk drive
US5047898A (en) * 1989-11-13 1991-09-10 International Business Machines Corporation Deflectable contact for providing positive surface contact for shielding electromagnetic interference
US5142425A (en) * 1990-08-09 1992-08-25 Hewlett-Packard Company Disk drive in which magnetic head-to-disk capacitive coupling is eliminated
US5600515A (en) * 1993-06-30 1997-02-04 Matsushita Electric Industrial Co., Ltd. Sliding type magnetic head assembly having a spherical contact surface offset from a magnetic pole
US5735036A (en) * 1994-12-16 1998-04-07 International Business Machines Corporation Lapping process for minimizing shorts and element recession at magnetic head air bearing surface
US6629357B1 (en) * 1999-02-10 2003-10-07 Read-Rite Smi Corp. Method of magnetic head manufacture
JP2007310979A (ja) * 2006-05-19 2007-11-29 Fujitsu Ltd 制御装置及び記憶装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360614A (en) * 1963-09-19 1967-12-26 Minnesota Mining & Mfg Shunted magnetic recording head
AT265691B (de) * 1966-11-18 1968-10-25 Philips Nv Magnetkopf
JPS4826527B1 (OSRAM) * 1969-02-13 1973-08-11
FR2218611B1 (OSRAM) * 1973-02-21 1976-09-10 Cii
US3846840A (en) * 1973-08-10 1974-11-05 Ibm Read/write and longitudinal edge erase head assembly having multiple similarly shaped layers
US3879757A (en) * 1974-03-01 1975-04-22 Ibm Data storage mechanism having a flexible magnetic disk

Also Published As

Publication number Publication date
CA1100629A (en) 1981-05-05
IT1115327B (it) 1986-02-03
US4058846A (en) 1977-11-15
DE2727532A1 (de) 1977-12-22
US4129937A (en) 1978-12-19
JPS537311A (en) 1978-01-23
GB1543542A (en) 1979-04-04
JPS5644483B2 (OSRAM) 1981-10-20
FR2356234B1 (OSRAM) 1980-06-27

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Legal Events

Date Code Title Description
ST Notification of lapse