CN1133155C - 磁头及其制造方法 - Google Patents
磁头及其制造方法 Download PDFInfo
- Publication number
- CN1133155C CN1133155C CN98100592A CN98100592A CN1133155C CN 1133155 C CN1133155 C CN 1133155C CN 98100592 A CN98100592 A CN 98100592A CN 98100592 A CN98100592 A CN 98100592A CN 1133155 C CN1133155 C CN 1133155C
- Authority
- CN
- China
- Prior art keywords
- jut
- aforementioned
- magnetic head
- opposite face
- disc
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
- G11B21/20—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
- G11B21/21—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier with provision for maintaining desired spacing of head from record carrier, e.g. fluid-dynamic spacing, slider
-
- 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
-
- 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
- G11B5/255—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for protection against wear
-
- 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
- G11B5/48—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
- G11B5/58—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 with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
-
- 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.]
-
- 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
-
- 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
- Y10T29/49041—Fabricating head structure or component thereof including measuring or testing with significant slider/housing shaping or treating
-
- 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
- Y10T29/49043—Depositing magnetic layer or coating
- Y10T29/49046—Depositing magnetic layer or coating with etching or machining of magnetic material
-
- 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]
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
Description
3mW(1.5μJ/pulse) | 2mW(1.0μJ/pulse) | 1.5mW(0.75μJ/pulse) | |||||||||
测定点 | H(nm) | D(nm) | W(μm) | 测定点 | H(nm) | D(nm) | W(μm) | 测定点 | H(nm) | D(nm) | W(μm) |
1 | 48.8 | 117 | 7.8 | 1 | 29.7 | 11.3 | 4.2 | 1 | 26.8 | 4.2 | |
2 | 28.3 | 124.7 | 8.3 | 2 | 48.8 | 46 | 4 | 2 | 25.4 | 3.9 | |
3 | 24.7 | 110.5 | 7.5 | 3 | 48.9 | 39.5 | 3.2 | 3 | 28.1 | 2.6 | |
4 | 35.4 | 143.6 | 8.6 | 4 | 46.4 | 35 | 3.9 | 4 | 24.5 | 4.4 | |
5 | 61.3 | 233.3 | 8.5 | 5 | 24.7 | 37.6 | 4.8 | 5 | 29.7 | 4.2 | |
6 | 46.1 | 111.2 | 8.3 | 6 | 29.4 | 41.1 | 3.9 | 6 | 30 | 4.7 | |
7 | 24.3 | 148.1 | 8.6 | 7 | 32 | 26.8 | 2.7 | 7 | 20.8 | 3.9 | |
8 | 61.8 | 173.4 | 7.8 | 8 | 24.7 | 64 | 5.3 | 8 | 26.4 | 4.2 | |
9 | 42 | 142.7 | 8.6 | 9 | 23.2 | 54.4 | 5.6 | 9 | 22 | 3.6 | |
10 | 38.8 | 135.6 | 8.7 | 10 | 26.5 | 42.6 | 4.4 | 10 | 18.8 | 2.5 | |
平均 | 41.15 | 144.01 | 8.27 | 平均 | 33.43 | 39.83 | 4.2 | 平均 | 25.25 | 3.82 | |
变化范围 | 37.5 | 122.8 | 1.2 | 变化范围 | 25.7 | 52.7 | 2.9 | 变化范围 | 11.2 | 2.2 | |
max | 61.8 | 233.3 | 8.7 | max | 48.9 | 64 | 5.6 | max | 30 | 4.7 | |
min | 24.3 | 110.5 | 7.5 | min | 23.2 | 11.3 | 2.7 | min | 18.8 | 2.5 |
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP048250/1997 | 1997-03-03 | ||
JP04825097A JP3466041B2 (ja) | 1997-03-03 | 1997-03-03 | 磁気ヘッドおよびその製造方法 |
JP048250/97 | 1997-03-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1193160A CN1193160A (zh) | 1998-09-16 |
CN1133155C true CN1133155C (zh) | 2003-12-31 |
Family
ID=12798204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98100592A Expired - Fee Related CN1133155C (zh) | 1997-03-03 | 1998-03-02 | 磁头及其制造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6591478B2 (zh) |
JP (1) | JP3466041B2 (zh) |
KR (1) | KR100264696B1 (zh) |
CN (1) | CN1133155C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100424755C (zh) * | 2005-02-01 | 2008-10-08 | 日立环球储存科技荷兰有限公司 | 利用小垫片提高头对盘界面可靠性的装置和方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3213592B2 (ja) * | 1999-03-15 | 2001-10-02 | 富士通株式会社 | 浮上ヘッドスライダおよび記録ディスク駆動装置 |
JP2001006308A (ja) | 1999-06-16 | 2001-01-12 | Fujitsu Ltd | 浮上ヘッドスライダおよび記録ディスク駆動装置 |
JP2003203451A (ja) | 2001-12-28 | 2003-07-18 | Fujitsu Ltd | ヘッドスライダ |
JP2003288710A (ja) | 2002-03-28 | 2003-10-10 | Fujitsu Ltd | 記録媒体駆動装置およびヘッドスライダ |
US7965471B2 (en) * | 2005-09-06 | 2011-06-21 | Sae Magnetics (H.K.) Ltd. | Methods for forming micro-texture on an air bearing surface of a magnetic read/write slider and a magnetic read/write slider with micro-texture |
US20080180845A1 (en) * | 2007-01-31 | 2008-07-31 | Albert Wallash | Slider air bearing for disk drives |
US8526137B2 (en) * | 2010-04-16 | 2013-09-03 | International Business Machines Corporation | Head comprising a crystalline alumina layer |
Family Cites Families (57)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2409571A1 (fr) | 1977-11-18 | 1979-06-15 | Cii Honeywell Bull | Plate-forme comportant au moins un transducteur magnetique de lecture/ecriture d'un support d'information |
JPS56107363A (en) | 1980-01-31 | 1981-08-26 | Nec Corp | Floating type magnetic head |
US5327311A (en) * | 1984-11-13 | 1994-07-05 | Unisys Corporation | Techique for providing back bar and boss for slider |
US5220470A (en) * | 1984-11-13 | 1993-06-15 | Unisys Corporation | Method of adapting slider to include back-bar |
JP2533091B2 (ja) | 1986-07-31 | 1996-09-11 | 株式会社東芝 | 磁気デイスク装置 |
JPS63317920A (ja) * | 1987-06-22 | 1988-12-26 | Mitsubishi Electric Corp | 磁気ヘッドの製造方法 |
JPS6446216A (en) | 1987-08-14 | 1989-02-20 | Tdk Corp | Magnetic head |
JPH0719459B2 (ja) * | 1987-12-03 | 1995-03-06 | 日立金属株式会社 | 浮動型磁気ヘッド |
JP2592484B2 (ja) | 1988-02-23 | 1997-03-19 | 株式会社日立製作所 | 磁気ヘッドスライダの製造方法 |
JPH0246527A (ja) * | 1988-08-06 | 1990-02-15 | Toshiro Takahashi | 磁気ディスク基板とその製造方法 |
US5010429A (en) | 1988-11-22 | 1991-04-23 | Hitachi Metals, Ltd. | Floating magnetic head having improved static friction coefficient |
JP2640276B2 (ja) * | 1989-07-31 | 1997-08-13 | 富士写真フイルム株式会社 | 磁気記録媒体 |
US5458947A (en) * | 1989-10-31 | 1995-10-17 | Kabushiki Kaisha Toshiba | Magnetic recording medium |
JPH03228274A (ja) | 1990-02-01 | 1991-10-09 | Hitachi Ltd | 磁気ヘツド及びその製造方法 |
US5079657A (en) | 1990-02-15 | 1992-01-07 | Applied Magnetics Corporation | Textured air bearing surface |
US4992901A (en) * | 1990-02-15 | 1991-02-12 | Seagate Technology, Inc. | Self aligned magnetic poles using sacrificial mask |
US5162073A (en) | 1990-02-15 | 1992-11-10 | Applied Magnetics Corporation | Textured air bearing surface |
US5095613A (en) * | 1990-06-29 | 1992-03-17 | Digital Equipment Corporation | Thin film head slider fabrication process |
JPH04281209A (ja) | 1991-03-10 | 1992-10-06 | Denki Kagaku Kogyo Kk | 薄膜磁気ヘッド |
JPH04324175A (ja) | 1991-04-24 | 1992-11-13 | Nec Ibaraki Ltd | 磁気ヘッドの製造方法 |
JP3110092B2 (ja) * | 1991-09-04 | 2000-11-20 | 株式会社日立製作所 | 磁気ヘッド用スライダーの製造方法 |
JP3131792B2 (ja) | 1991-09-30 | 2001-02-05 | 松下電器産業株式会社 | 磁気ヘッド用スライダ |
JP3496223B2 (ja) * | 1991-12-13 | 2004-02-09 | ソニー株式会社 | 光磁気記録用摺動型磁気ヘッド |
JP2760921B2 (ja) | 1992-04-06 | 1998-06-04 | 日立金属株式会社 | 非磁性基板材及び磁気ヘッド |
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JP2500479B2 (ja) * | 1993-04-22 | 1996-05-29 | ティーディーケイ株式会社 | 磁気ヘッド装置用スライダ及び該スライダの製造方法 |
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US5617273A (en) * | 1995-06-07 | 1997-04-01 | International Business Machines Corporation | Thin film slider with protruding R/W element formed by chemical-mechanical polishing |
US6014296A (en) * | 1995-07-24 | 2000-01-11 | Kabushiki Kaisha Toshiba | Magnetic disk, method of manufacturing magnetic disk and magnetic recording apparatus |
US5976714A (en) * | 1995-10-23 | 1999-11-02 | Mitsubishi Chemical Corporation | Magnetic recording medium and method of producing the same |
US6094805A (en) * | 1995-12-28 | 2000-08-01 | Tdk Corporation | Method for manufacturing magnetic head |
US5858474A (en) * | 1996-02-20 | 1999-01-12 | Seagate Technology, Inc. | Method of forming a magnetic media |
JP3647961B2 (ja) | 1996-03-05 | 2005-05-18 | 富士通株式会社 | 磁気ヘッド用スライダ及び磁気記録装置 |
US5759428A (en) * | 1996-03-15 | 1998-06-02 | International Business Machines Corporation | Method of laser cutting a metal line on an MR head |
US5908683A (en) * | 1996-04-19 | 1999-06-01 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
JP3474706B2 (ja) * | 1996-06-10 | 2003-12-08 | 富士写真フイルム株式会社 | 磁気ディスク及び磁気記録再生方法 |
US5768055A (en) * | 1996-09-19 | 1998-06-16 | Sae Magnetics (H.K.) Ltd. | Magnetic recording head having a carbon overcoat array on slider air bearings surfaces |
JPH10172125A (ja) * | 1996-12-09 | 1998-06-26 | Alps Electric Co Ltd | 磁気ヘッド、この磁気ヘッドを備えた磁気記録再生装置および磁気ヘッドの製造方法 |
US5880899A (en) | 1997-02-25 | 1999-03-09 | International Business Machines Corporation | Removal of raised irregularities on a data storage disk with controlled abrasion by a magnetoresistive head |
JPH10302243A (ja) * | 1997-04-30 | 1998-11-13 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
US5916423A (en) * | 1997-05-06 | 1999-06-29 | International Business Machines Corporation | P1 notched write head with minimum overmilled p1 and p2 |
JP3052898B2 (ja) * | 1997-06-18 | 2000-06-19 | ヤマハ株式会社 | 磁気ヘッドスライダのレール面の加工方法 |
-
1997
- 1997-03-03 JP JP04825097A patent/JP3466041B2/ja not_active Expired - Fee Related
-
1998
- 1998-03-02 CN CN98100592A patent/CN1133155C/zh not_active Expired - Fee Related
- 1998-03-02 KR KR1019980006763A patent/KR100264696B1/ko not_active IP Right Cessation
-
1999
- 1999-04-14 US US09/291,508 patent/US6591478B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100424755C (zh) * | 2005-02-01 | 2008-10-08 | 日立环球储存科技荷兰有限公司 | 利用小垫片提高头对盘界面可靠性的装置和方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1193160A (zh) | 1998-09-16 |
US20020054459A1 (en) | 2002-05-09 |
JPH10247368A (ja) | 1998-09-14 |
KR19980079805A (ko) | 1998-11-25 |
US6591478B2 (en) | 2003-07-15 |
JP3466041B2 (ja) | 2003-11-10 |
KR100264696B1 (ko) | 2000-09-01 |
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