AU2001240028A1 - Method and apparatus for reading recorded magnetic media using an array of reading elements - Google Patents

Method and apparatus for reading recorded magnetic media using an array of reading elements

Info

Publication number
AU2001240028A1
AU2001240028A1 AU2001240028A AU4002801A AU2001240028A1 AU 2001240028 A1 AU2001240028 A1 AU 2001240028A1 AU 2001240028 A AU2001240028 A AU 2001240028A AU 4002801 A AU4002801 A AU 4002801A AU 2001240028 A1 AU2001240028 A1 AU 2001240028A1
Authority
AU
Australia
Prior art keywords
reading
array
magnetic media
recorded magnetic
elements
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.)
Abandoned
Application number
AU2001240028A
Inventor
Christian P. Marlowe
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.)
QUETICO TECHNOLOGIES Inc
Original Assignee
QUETICO TECHNOLOGIES Inc
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 QUETICO TECHNOLOGIES Inc filed Critical QUETICO TECHNOLOGIES Inc
Publication of AU2001240028A1 publication Critical patent/AU2001240028A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
    • G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
    • G11B5/3945—Heads comprising more than one sensitive element
    • G11B5/3948—Heads comprising more than one sensitive element the sensitive elements being active read-out elements
    • G11B5/3958—Heads comprising more than one sensitive element the sensitive elements being active read-out elements the active elements being arranged in a single plane, e.g. "matrix" disposition
    • 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
    • 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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/37—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect
    • G11B5/376—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect in semi-conductors
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/37—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect
    • G11B5/376—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect in semi-conductors
    • G11B5/378—Integrated structures
    • 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
    • G11B5/49—Fixed mounting or arrangements, e.g. one head per track
    • G11B5/4907—Details for scanning
    • G11B5/4915—Structure of specially adapted 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
    • G11B5/49—Fixed mounting or arrangements, e.g. one head per track
    • G11B5/4969—Details for track selection or addressing
    • G11B5/4976—Disposition of heads, e.g. matrix arrangement
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
AU2001240028A 2000-03-03 2001-03-02 Method and apparatus for reading recorded magnetic media using an array of reading elements Abandoned AU2001240028A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US51811400A 2000-03-03 2000-03-03
US09518114 2000-03-03
PCT/US2001/006867 WO2001067439A1 (en) 2000-03-03 2001-03-02 Method and apparatus for reading recorded magnetic media using an array of reading elements

Publications (1)

Publication Number Publication Date
AU2001240028A1 true AU2001240028A1 (en) 2001-09-17

Family

ID=24062609

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001240028A Abandoned AU2001240028A1 (en) 2000-03-03 2001-03-02 Method and apparatus for reading recorded magnetic media using an array of reading elements

Country Status (2)

Country Link
AU (1) AU2001240028A1 (en)
WO (1) WO2001067439A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7502206B2 (en) 2006-07-24 2009-03-10 Hitachi Global Storage Technologies Netherlands B.V. Multiple extraordinary magnetoresistive (EMR) sensor utilizing both current leads
US9082436B1 (en) 2014-02-05 2015-07-14 HGST Netherlands B.V. Zig-zag MIMO head reducing space between three sensors

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5117901B1 (en) * 1969-07-29 1976-06-05
NL7405727A (en) * 1974-04-29 1975-10-31 Philips Nv MAGNETO RESISTANCE CUP.
WO1995029482A2 (en) * 1994-04-21 1995-11-02 Philips Electronics N.V. Arrangement for reproducing n digital signals from n adjacent tracks on a record carrier

Also Published As

Publication number Publication date
WO2001067439A1 (en) 2001-09-13

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