DE19782091T1 - Verbesserte Verdrahtungskonfiguration für eine elektrische Läppführung - Google Patents
Verbesserte Verdrahtungskonfiguration für eine elektrische LäppführungInfo
- Publication number
- DE19782091T1 DE19782091T1 DE19782091T DE19782091T DE19782091T1 DE 19782091 T1 DE19782091 T1 DE 19782091T1 DE 19782091 T DE19782091 T DE 19782091T DE 19782091 T DE19782091 T DE 19782091T DE 19782091 T1 DE19782091 T1 DE 19782091T1
- Authority
- DE
- Germany
- Prior art keywords
- wiring configuration
- lapping guide
- improved wiring
- electric lapping
- electric
- 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.)
- Withdrawn
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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/013—Control or regulation of feed movement
- B23Q15/02—Control or regulation of feed movement according to the instantaneous size and the required size of the workpiece acted upon
-
- 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
-
- 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
-
- 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
- B24B49/02—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 according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
-
- 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
- G11B5/3106—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing where the integrated or assembled structure comprises means for conditioning against physical detrimental influence, e.g. wear, contamination
-
- 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3163—Fabrication 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
- G11B5/3169—Working or finishing the interfacing surface of heads, e.g. lapping 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
- G11B5/127—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
-
- 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/23—Gap features
- G11B5/232—Manufacture of gap
-
- 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
- G11B5/313—Disposition of layers
-
- 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
- G11B5/3163—Fabrication 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
- G11B5/3166—Testing or indicating in relation thereto, e.g. before the fabrication is completed
-
- 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
- Y10T29/49037—Using reference point/surface to facilitate measuring
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2932796P | 1996-10-29 | 1996-10-29 | |
PCT/US1997/001324 WO1998018596A1 (en) | 1996-10-29 | 1997-01-30 | Improved elg wiring configuration |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19782091T1 true DE19782091T1 (de) | 1999-09-30 |
Family
ID=21848474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19782091T Withdrawn DE19782091T1 (de) | 1996-10-29 | 1997-01-30 | Verbesserte Verdrahtungskonfiguration für eine elektrische Läppführung |
Country Status (7)
Country | Link |
---|---|
US (1) | US5816890A (de) |
JP (1) | JP3944244B2 (de) |
KR (1) | KR100422436B1 (de) |
DE (1) | DE19782091T1 (de) |
GB (1) | GB2333055B (de) |
MY (1) | MY133611A (de) |
WO (1) | WO1998018596A1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6047224A (en) * | 1996-04-10 | 2000-04-04 | Seagate Techology, Inc. | Machining guide for magnetic recording reproduce heads |
JPH10289413A (ja) * | 1997-04-10 | 1998-10-27 | Fujitsu Ltd | 磁気ヘッドの製造方法 |
US6027397A (en) * | 1997-04-25 | 2000-02-22 | International Business Machines Corporation | Dual element lapping guide system |
US6315633B1 (en) | 1998-06-25 | 2001-11-13 | Tdk Corporation | Processing jig |
JP3693816B2 (ja) * | 1998-06-25 | 2005-09-14 | Tdk株式会社 | 加工用治具 |
US6347983B1 (en) | 1999-06-09 | 2002-02-19 | Seagate Technology Llc | ELG for both MRE sensor height and resistance monitoring |
US6312313B1 (en) | 1999-10-06 | 2001-11-06 | Intenational Business Machines Corporation | Non-linear transducer lay-out of thin film head wafer for fabrication of high camber and crown sliders |
US6700738B1 (en) | 2001-03-16 | 2004-03-02 | Kyusik Sin | Read/write head coil tap having upper and lower portions |
US6935923B2 (en) * | 2003-03-12 | 2005-08-30 | Seagate Technology Llc | Sensor stripe encapsulation layer in a read/write head |
US7244169B2 (en) * | 2004-09-30 | 2007-07-17 | Hitachi Global Storage Technologies Netherlands Bv | In-line contiguous resistive lapping guide for magnetic sensors |
JP2007280545A (ja) * | 2006-04-10 | 2007-10-25 | Alps Electric Co Ltd | 薄膜磁気ヘッド基板 |
US8003304B2 (en) | 2008-01-31 | 2011-08-23 | Hitachi Global Storage Technologies Netherlands B.V. | Method for manufacturing a perpendicular magnetic write pole using an electrical lapping guide for tight write pole flare point control |
US8375565B2 (en) | 2010-05-28 | 2013-02-19 | Western Digital (Fremont), Llc | Method for providing an electronic lapping guide corresponding to a near-field transducer of an energy assisted magnetic recording transducer |
US8343364B1 (en) | 2010-06-08 | 2013-01-01 | Western Digital (Fremont), Llc | Double hard-mask mill back method of fabricating a near field transducer for energy assisted magnetic recording |
US8758083B1 (en) | 2010-09-13 | 2014-06-24 | Western Digital (Fremont), Llc | Method and system for adjusting lapping of a transducer using a disk windage |
US8749790B1 (en) | 2011-12-08 | 2014-06-10 | Western Digital (Fremont), Llc | Structure and method to measure waveguide power absorption by surface plasmon element |
US9095951B2 (en) * | 2012-11-30 | 2015-08-04 | HGST Netherlands B.V. | Common ground for electronic lapping guides |
US8956200B2 (en) * | 2012-11-30 | 2015-02-17 | HGST Netherlands B.V. | Wafer grounding design for single pad lapping |
US8956201B2 (en) * | 2012-11-30 | 2015-02-17 | HGST Netherlands, B.V. | Correcting current crowding in row bar and vias for single pad bonding |
US9387568B1 (en) | 2013-02-27 | 2016-07-12 | Western Digital Technologies, Inc. | Systems and methods for correcting fabrication error in magnetic recording heads using magnetic write width measurements |
US9441938B1 (en) | 2013-10-08 | 2016-09-13 | Western Digital (Fremont), Llc | Test structures for measuring near field transducer disc length |
US11823712B2 (en) * | 2020-08-19 | 2023-11-21 | Headway Technologies, Inc. | Built-in resistance sensor for measuring slider level pole width at point “A” (PWA) for PMR/MAMR writers |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4477968A (en) * | 1982-09-30 | 1984-10-23 | Magnetic Peripherals Inc. | Method for using a machining sensor |
US4457114A (en) * | 1982-09-30 | 1984-07-03 | Magnetic Peripherals Inc. | Workpiece carrier |
US4559743A (en) * | 1982-09-30 | 1985-12-24 | Magnetic Peripherals, Inc. | Method for calibrating a machining sensor |
US4536992A (en) * | 1983-11-04 | 1985-08-27 | Magnetic Peripherals | Precision lapping system |
US4675986A (en) * | 1985-07-29 | 1987-06-30 | International Business Machines | Electrical lapping guide for controlling the batch fabrication of thin film magnetic transducers |
US4689877A (en) * | 1985-08-29 | 1987-09-01 | International Business Machines Corp. | Method and apparatus for controlling the throat height of batch fabricated thin film magnetic transducers |
US5175938A (en) * | 1988-08-31 | 1993-01-05 | Digital Equipment Corporation | Electrical guide for tight tolerance machining |
US5023991A (en) * | 1988-08-31 | 1991-06-18 | Digital Equipment Corporation | Electrical guide for tight tolerance machining |
US4914868A (en) * | 1988-09-28 | 1990-04-10 | International Business Machines Corporation | Lapping control system for magnetic transducers |
US4912883A (en) * | 1989-02-13 | 1990-04-03 | International Business Machines Corporation | Lapping control system for magnetic transducers |
US5361547A (en) * | 1992-08-28 | 1994-11-08 | International Business Machines Corporation | Ultimate inductive head integrated lapping system |
US5494473A (en) * | 1993-07-07 | 1996-02-27 | Quantum Corporation | Electrical access for electrical lapping guides |
-
1997
- 1997-01-30 JP JP52041898A patent/JP3944244B2/ja not_active Expired - Fee Related
- 1997-01-30 KR KR10-1999-7003120A patent/KR100422436B1/ko not_active IP Right Cessation
- 1997-01-30 GB GB9906719A patent/GB2333055B/en not_active Expired - Fee Related
- 1997-01-30 DE DE19782091T patent/DE19782091T1/de not_active Withdrawn
- 1997-01-30 WO PCT/US1997/001324 patent/WO1998018596A1/en active IP Right Grant
- 1997-01-30 US US08/793,718 patent/US5816890A/en not_active Expired - Lifetime
- 1997-06-06 MY MYPI97002530A patent/MY133611A/en unknown
Also Published As
Publication number | Publication date |
---|---|
KR20000049051A (ko) | 2000-07-25 |
KR100422436B1 (ko) | 2004-03-12 |
JP3944244B2 (ja) | 2007-07-11 |
WO1998018596A1 (en) | 1998-05-07 |
JP2001502977A (ja) | 2001-03-06 |
US5816890A (en) | 1998-10-06 |
GB9906719D0 (en) | 1997-01-30 |
MY133611A (en) | 2007-11-30 |
GB2333055B (en) | 2001-05-02 |
GB2333055A (en) | 1999-07-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8139 | Disposal/non-payment of the annual fee | ||
8127 | New person/name/address of the applicant |
Owner name: SEAGATE TECHNOLOGY LLC, SCOTTS VALLEY, CALIF., US |
|
8170 | Reinstatement of the former position | ||
8141 | Disposal/no request for examination |