[go: up one dir, main page]

AU6675298A - Thin-film magnetic recording head manufacture - Google Patents

Thin-film magnetic recording head manufacture

Info

Publication number
AU6675298A
AU6675298A AU66752/98A AU6675298A AU6675298A AU 6675298 A AU6675298 A AU 6675298A AU 66752/98 A AU66752/98 A AU 66752/98A AU 6675298 A AU6675298 A AU 6675298A AU 6675298 A AU6675298 A AU 6675298A
Authority
AU
Australia
Prior art keywords
thin
recording head
magnetic recording
film magnetic
head manufacture
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
AU66752/98A
Inventor
Gregory J. Athas
Randall Grafton Lee
Charles J. Libby
Russell Mello
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.)
Micrion Corp
Original Assignee
Micrion 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
Priority claimed from US08/810,837 external-priority patent/US6004437A/en
Application filed by Micrion Corp filed Critical Micrion Corp
Publication of AU6675298A publication Critical patent/AU6675298A/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/33Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39Structure 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
    • G11B5/3903Structure 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
    • G11B5/3967Composite structural arrangements of transducers, e.g. inductive write and magnetoresistive read
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/187Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1871Shaping or contouring of the transducing or guiding surface
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/31Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109Details
    • G11B5/3116Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/31Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3163Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
    • G11B5/3166Testing or indicating in relation thereto, e.g. before the fabrication is completed
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/30Electron-beam or ion-beam tubes for localised treatment of objects
    • H01J37/305Electron-beam or ion-beam tubes for localised treatment of objects for casting, melting, evaporating, or etching
    • H01J37/3053Electron-beam or ion-beam tubes for localised treatment of objects for casting, melting, evaporating, or etching for evaporating or etching
    • H01J37/3056Electron-beam or ion-beam tubes for localised treatment of objects for casting, melting, evaporating, or etching for evaporating or etching for microworking, e. g. etching of gratings or trimming of electrical components
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2237/00Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
    • H01J2237/30Electron or ion beam tubes for processing objects
    • H01J2237/304Controlling tubes
    • H01J2237/30433System calibration
    • H01J2237/30438Registration

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Magnetic Heads (AREA)
AU66752/98A 1997-03-04 1998-03-02 Thin-film magnetic recording head manufacture Abandoned AU6675298A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US08810837 1997-03-04
US08/810,837 US6004437A (en) 1996-04-19 1997-03-04 Thin-film magnetic recording head manufacturing method
US87449797A 1997-06-13 1997-06-13
US08874497 1997-06-13
US87701997A 1997-06-16 1997-06-16
US08877019 1997-06-16
PCT/US1998/003964 WO1998039770A1 (en) 1997-03-04 1998-03-02 Thin-film magnetic recording head manufacture

Publications (1)

Publication Number Publication Date
AU6675298A true AU6675298A (en) 1998-09-22

Family

ID=27420066

Family Applications (1)

Application Number Title Priority Date Filing Date
AU66752/98A Abandoned AU6675298A (en) 1997-03-04 1998-03-02 Thin-film magnetic recording head manufacture

Country Status (2)

Country Link
AU (1) AU6675298A (en)
WO (1) WO1998039770A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6191919B1 (en) 1999-01-06 2001-02-20 Storage Technology Corporation Magnetic transducer with debris guiding channels having non-vertical sloping walls formed in a tape bearing surface
US6362934B1 (en) * 1999-03-24 2002-03-26 Storage Technology Corporation Highly aligned thin film tape head and method of making same
US11810602B2 (en) 2021-09-09 2023-11-07 International Business Machines Corporation Mechanism to shift the head span of a tape head at a wafer level
US12249482B2 (en) * 2021-12-16 2025-03-11 Fei Company Microscopy feedback for improved milling accuracy

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58106750A (en) * 1981-12-18 1983-06-25 Toshiba Corp Focus ion beam processing
JPS6010407A (en) * 1983-06-29 1985-01-19 Hitachi Ltd Production of magnetic head
US4564585A (en) * 1983-11-28 1986-01-14 Magnetic Peripherals, Inc. Process for fabricating negative pressure sliders
JP2761223B2 (en) * 1988-09-30 1998-06-04 株式会社日立製作所 Recording / reproducing composite head and method of manufacturing the same
JP2779414B2 (en) * 1988-12-01 1998-07-23 セイコーインスツルメンツ株式会社 Processing and observation method of micro section
DE69117323T2 (en) * 1990-04-16 1996-07-11 Hitachi Ltd Thin film magnetic head with a narrow track width and its manufacturing process
JPH0444610A (en) * 1990-06-12 1992-02-14 Hitachi Ltd Composite thin film magnetic head and its manufacturing method
JPH04205705A (en) * 1990-11-29 1992-07-27 Hitachi Ltd Thin film magnetic head and magnetic disk device
JP2830559B2 (en) * 1991-11-20 1998-12-02 日本電気株式会社 Method of manufacturing composite thin film magnetic head
JPH05143938A (en) * 1991-11-22 1993-06-11 Sony Corp Magnetoresistive magnetic head
JP2902900B2 (en) * 1993-05-26 1999-06-07 三洋電機株式会社 Composite type thin film magnetic head
JP3578471B2 (en) * 1993-06-08 2004-10-20 アルプス電気株式会社 Thin film magnetic head
US5495378A (en) * 1995-01-30 1996-02-27 Seagate Technology, Inc. Magnetoresistive sensor with improved performance and processability
US5916424A (en) * 1996-04-19 1999-06-29 Micrion Corporation Thin film magnetic recording heads and systems and methods for manufacturing the same

Also Published As

Publication number Publication date
WO1998039770A1 (en) 1998-09-11

Similar Documents

Publication Publication Date Title
GB2311889B (en) Combined type thin film magnetic head
AU9645398A (en) Magnetic tape
SG94315A1 (en) Thin film magnetic head
AU3124497A (en) Magnetic microactuator
AU1836997A (en) Tiled partitioning for magnetic tape recording
AU6284696A (en) Planar head gimbal assembly for pico/nano slider
SG97797A1 (en) Thin-film magnetic head
AU9645298A (en) Magnetic tape
AU3776399A (en) Thin-film magnetic recording head manufacture using selective imaging
HK1003854B (en) Magnetic head manufacture
AU9645498A (en) Magnetic tape
GB2338336B (en) Magnetic recording medium
EP1049076A4 (en) Magnetic recording medium
SG77173A1 (en) Thin film magnetic head
EP1022726A4 (en) Magnetic recording medium
AU1173399A (en) Magnetic tape
AU6675298A (en) Thin-film magnetic recording head manufacture
SG68080A1 (en) Magnetic recording medium
SG73555A1 (en) Magnetic recording medium
AU4303999A (en) Recording of information
SG47214A1 (en) Thin-film magnetic head
AU6038200A (en) Recording of information
AU5110196A (en) Magnetic recording media
AU6471096A (en) Magnetic recording medium
AU7439000A (en) An information recording assembly