AU2001234862A1 - Interface assembly for lapping control feedback - Google Patents

Interface assembly for lapping control feedback

Info

Publication number
AU2001234862A1
AU2001234862A1 AU2001234862A AU3486201A AU2001234862A1 AU 2001234862 A1 AU2001234862 A1 AU 2001234862A1 AU 2001234862 A AU2001234862 A AU 2001234862A AU 3486201 A AU3486201 A AU 3486201A AU 2001234862 A1 AU2001234862 A1 AU 2001234862A1
Authority
AU
Australia
Prior art keywords
interface assembly
control feedback
lapping control
lapping
feedback
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
AU2001234862A
Inventor
Bruce Anderson
Edward M. Ericksson
Shanlin Hao
Dongming Liu
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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 Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of AU2001234862A1 publication Critical patent/AU2001234862A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00—Lapping machines or devices; Accessories
    • B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
    • B24B37/048—Lapping machines or devices; Accessories designed for working plane surfaces of sliders and magnetic heads of hard disc drives or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/10—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving electrical means
    • 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
    • G11B5/102—Manufacture of housing
    • 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface
    • 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/3116—Shaping 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
    • 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
    • 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]
AU2001234862A 2000-02-07 2001-02-06 Interface assembly for lapping control feedback Abandoned AU2001234862A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18052200P 2000-02-07 2000-02-07
US60180522 2000-02-07
PCT/US2001/003823 WO2001056743A1 (en) 2000-02-07 2001-02-06 Interface assembly for lapping control feedback

Publications (1)

Publication Number Publication Date
AU2001234862A1 true AU2001234862A1 (en) 2001-08-14

Family

ID=22660758

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001234862A Abandoned AU2001234862A1 (en) 2000-02-07 2001-02-06 Interface assembly for lapping control feedback

Country Status (4)

Country Link
US (1) US6609949B2 (en)
EP (1) EP1253993A1 (en)
AU (1) AU2001234862A1 (en)
WO (1) WO2001056743A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8161627B2 (en) * 2008-04-28 2012-04-24 Hitachi Global Storage Technologies Netherlands B.V. Method of making a write head lapping guide about aligned to a non-magnetic layer surrounding a write pole
US20110050216A1 (en) * 2009-09-01 2011-03-03 Adidas Ag Method And System For Limiting Interference In Magnetometer Fields
US9017139B2 (en) 2013-03-12 2015-04-28 Seagate Technology Llc Lapping carrier having hard and soft properties, and methods
US9656367B2 (en) * 2013-10-07 2017-05-23 Seagate Technology Llc Universal carrier device and adaptive components for the carrier device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4457114A (en) * 1982-09-30 1984-07-03 Magnetic Peripherals Inc. Workpiece carrier
US4536992A (en) 1983-11-04 1985-08-27 Magnetic Peripherals Precision lapping system
US4914868A (en) 1988-09-28 1990-04-10 International Business Machines Corporation Lapping control system for magnetic transducers
US5203119A (en) * 1991-03-22 1993-04-20 Read-Rite Corporation Automated system for lapping air bearing surface of magnetic heads
US5175935A (en) 1992-02-28 1993-01-05 Daniel Welter Screw-thread gauge-wire holder
US5749769A (en) * 1994-12-16 1998-05-12 International Business Machines Corporation Lapping process using micro-advancement for optimizing flatness of a magnetic head air bearing surface
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
US5951371A (en) * 1996-11-04 1999-09-14 Seagate Technology, Inc. Multi-point bending of bars during fabrication of magnetic recording heads
JPH10286766A (en) * 1997-04-10 1998-10-27 Fujitsu Ltd Thin film element automatic lapping method and device thereof
JP3504105B2 (en) * 1997-04-10 2004-03-08 富士通株式会社 Wrapping equipment
US5967878A (en) * 1997-04-25 1999-10-19 International Business Machines Corporation Lapping method and system for compensating for substrate bow
JP3982890B2 (en) * 1997-08-06 2007-09-26 富士通株式会社 Polishing apparatus, polishing jig used in the apparatus, and workpiece attaching member to be attached to the polishing jig
US5997381A (en) * 1997-09-29 1999-12-07 Storage Technology Corporation Lapping sensor for thin film recording elements and method for manufacturing same
US6045431A (en) * 1997-12-23 2000-04-04 Speedfam Corporation Manufacture of thin-film magnetic heads

Also Published As

Publication number Publication date
US20010049251A1 (en) 2001-12-06
WO2001056743A1 (en) 2001-08-09
WO2001056743B1 (en) 2002-01-17
US6609949B2 (en) 2003-08-26
EP1253993A1 (en) 2002-11-06

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