HK1013362A1 - Method of manufacturing a thin-film magnetic head and magnetic head manufactured by means of said method - Google Patents
Method of manufacturing a thin-film magnetic head and magnetic head manufactured by means of said methodInfo
- Publication number
- HK1013362A1 HK1013362A1 HK98114649A HK98114649A HK1013362A1 HK 1013362 A1 HK1013362 A1 HK 1013362A1 HK 98114649 A HK98114649 A HK 98114649A HK 98114649 A HK98114649 A HK 98114649A HK 1013362 A1 HK1013362 A1 HK 1013362A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- magnetic head
- thin
- manufacturing
- manufactured
- film magnetic
- Prior art date
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
- G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
- G11B5/3919—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path
- G11B5/3922—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure
-
- 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
- G11B5/1272—Assembling or shaping of elements
-
- 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
-
- 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
- G11B5/332—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using thin films
-
- 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
- G11B5/3967—Composite structural arrangements of transducers, e.g. inductive write and magnetoresistive read
-
- 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
-
- 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
- Y10T29/49039—Fabricating head structure or component thereof including measuring or testing with dual gap materials
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9301411A BE1007992A3 (nl) | 1993-12-17 | 1993-12-17 | Werkwijze voor het vervaardigen van een dunnefilmmagneetkop en magneetkop vervaardigd volgens de werkwijze. |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1013362A1 true HK1013362A1 (en) | 1999-08-20 |
Family
ID=3887655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK98114649A HK1013362A1 (en) | 1993-12-17 | 1998-12-22 | Method of manufacturing a thin-film magnetic head and magnetic head manufactured by means of said method |
Country Status (8)
Country | Link |
---|---|
US (1) | US5764453A (de) |
EP (1) | EP0658881B1 (de) |
JP (1) | JPH07210821A (de) |
KR (1) | KR950020413A (de) |
BE (1) | BE1007992A3 (de) |
DE (1) | DE69420684T2 (de) |
HK (1) | HK1013362A1 (de) |
SG (1) | SG55177A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3415432B2 (ja) | 1998-03-31 | 2003-06-09 | ティーディーケイ株式会社 | 薄膜磁気ヘッドおよびその製造方法 |
US6510030B1 (en) | 1999-08-17 | 2003-01-21 | Seagate Technology, Llc | Transducing head and method for forming a recessed shield for a transducing head |
US6700738B1 (en) | 2001-03-16 | 2004-03-02 | Kyusik Sin | Read/write head coil tap having upper and lower portions |
US7057864B2 (en) * | 2001-07-10 | 2006-06-06 | Hitachi Global Storage Technologies Netherlands B.V. | Method and apparatus for achieving physical connection between the flux guide and the free layer and that insulates the flux guide from the shields |
JP2004265550A (ja) * | 2003-03-04 | 2004-09-24 | Fuji Photo Film Co Ltd | 磁気ヘッド |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6292219A (ja) * | 1985-10-18 | 1987-04-27 | Victor Co Of Japan Ltd | 磁気抵抗効果型薄膜磁気ヘツド |
JPH06103525B2 (ja) * | 1986-03-27 | 1994-12-14 | 日本電気株式会社 | 磁気抵抗効果ヘツド及びその製造方法 |
JPS63106910A (ja) * | 1986-10-24 | 1988-05-12 | Hitachi Ltd | 薄膜磁気ヘツド |
US5111352A (en) * | 1987-07-29 | 1992-05-05 | Digital Equipment Corporation | Three-pole magnetic head with reduced flux leakage |
NL9000546A (nl) * | 1990-03-09 | 1991-10-01 | Philips Nv | Werkwijze voor het vervaardigen van een dunnefilm magneetkop alsmede een dunnefilm magneetkop vervaardigbaar volgens de werkwijze. |
US5274521A (en) * | 1990-08-23 | 1993-12-28 | Sony Corporation | Planar thin film magnetic head |
JP3200060B2 (ja) * | 1990-09-12 | 2001-08-20 | ソニー株式会社 | 薄膜磁気ヘッド |
US5176080A (en) * | 1990-09-20 | 1993-01-05 | Baldwin Technology Corporation | Cloth supply system for blanket cylinder for use in printing presses |
NL9100155A (nl) * | 1991-01-30 | 1992-08-17 | Philips Nv | Magneetkop, alsmede werkwijze voor het vervaardigen van een dergelijke magneetkop. |
JPH04351706A (ja) * | 1991-05-30 | 1992-12-07 | Matsushita Electric Ind Co Ltd | 複合型薄膜磁気ヘッド |
US5255141A (en) * | 1991-12-16 | 1993-10-19 | Read-Rite Corp. | Read-write magnetic head with flux sensing read element |
US5375023A (en) * | 1992-12-29 | 1994-12-20 | International Business Machines Corporation | Submicron thin film inductive head with self-aligned staggered pole-tips |
-
1993
- 1993-12-17 BE BE9301411A patent/BE1007992A3/nl not_active IP Right Cessation
-
1994
- 1994-12-08 SG SG1996008881A patent/SG55177A1/en unknown
- 1994-12-08 EP EP94203564A patent/EP0658881B1/de not_active Expired - Lifetime
- 1994-12-08 DE DE69420684T patent/DE69420684T2/de not_active Expired - Fee Related
- 1994-12-15 JP JP6311889A patent/JPH07210821A/ja active Pending
- 1994-12-16 KR KR1019940035454A patent/KR950020413A/ko active IP Right Grant
-
1996
- 1996-11-15 US US08/749,435 patent/US5764453A/en not_active Expired - Fee Related
-
1998
- 1998-12-22 HK HK98114649A patent/HK1013362A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR950020413A (ko) | 1995-07-24 |
DE69420684D1 (de) | 1999-10-21 |
DE69420684T2 (de) | 2000-06-08 |
SG55177A1 (en) | 1998-12-21 |
BE1007992A3 (nl) | 1995-12-05 |
EP0658881B1 (de) | 1999-09-15 |
US5764453A (en) | 1998-06-09 |
EP0658881A1 (de) | 1995-06-21 |
JPH07210821A (ja) | 1995-08-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20031208 |
|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |