HK1003854A1 - Magnetic head manufacture - Google Patents

Magnetic head manufacture

Info

Publication number
HK1003854A1
HK1003854A1 HK98102886A HK98102886A HK1003854A1 HK 1003854 A1 HK1003854 A1 HK 1003854A1 HK 98102886 A HK98102886 A HK 98102886A HK 98102886 A HK98102886 A HK 98102886A HK 1003854 A1 HK1003854 A1 HK 1003854A1
Authority
HK
Hong Kong
Prior art keywords
magnetic head
head manufacture
manufacture
magnetic
head
Prior art date
Application number
HK98102886A
Other languages
English (en)
Inventor
Yoshimi Kitahara
Original Assignee
Tdk 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
Application filed by Tdk Corp filed Critical Tdk Corp
Publication of HK1003854A1 publication Critical patent/HK1003854A1/xx

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
    • G11B5/31—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
    • G11B5/3173—Batch fabrication, i.e. producing a plurality of head structures in one batch
    • 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
    • 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
    • G11B5/313—Disposition of layers
    • G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers
    • G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure
    • G11B5/314—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure where the layers are extra layers normally not provided in the transducing structure, e.g. optical 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
HK98102886A 1995-08-02 1998-04-07 Magnetic head manufacture HK1003854A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7215461A JP2950211B2 (ja) 1995-08-02 1995-08-02 薄膜磁気ヘッドの製造方法

Publications (1)

Publication Number Publication Date
HK1003854A1 true HK1003854A1 (en) 1998-11-06

Family

ID=16672765

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98102886A HK1003854A1 (en) 1995-08-02 1998-04-07 Magnetic head manufacture

Country Status (4)

Country Link
US (2) US5721651A (xx)
JP (1) JP2950211B2 (xx)
GB (1) GB2303959B (xx)
HK (1) HK1003854A1 (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6125014A (en) * 1998-06-26 2000-09-26 Read-Rite Corporation Via-less connection using interconnect traces between bond pads and a transducer coil of a magnetic head slider
JP3345588B2 (ja) * 1998-11-12 2002-11-18 アルプス電気株式会社 薄膜磁気ヘッド及びその製造方法
US6449123B1 (en) * 1999-08-16 2002-09-10 Sumitomo Special Metals Co., Ltd. Methods for marking a sintered product and for fabricating magnetic head substrate
JP2001118232A (ja) 1999-10-20 2001-04-27 Tdk Corp 記号読取方法および装置
JP2002075817A (ja) 2000-08-24 2002-03-15 Tdk Corp ウエハ識別情報記入方法ならびにウエハ識別情報記入用露光方法および装置
US6924090B2 (en) * 2001-08-09 2005-08-02 Neomax Co., Ltd. Method of recording identifier and set of photomasks
JP2003076026A (ja) * 2001-09-05 2003-03-14 Sumitomo Special Metals Co Ltd 識別情報記録方法およびフォトマスクセット
JP4039036B2 (ja) * 2001-11-06 2008-01-30 日立金属株式会社 アライメントマーク作製方法
JP4055527B2 (ja) * 2002-09-20 2008-03-05 日立金属株式会社 焼結体へのマーキング方法及び磁気ヘッド用基板の製造方法
JP3614418B2 (ja) 2002-10-04 2005-01-26 株式会社Ｎｅｏｍａｘ 薄膜磁気ヘッド用基板およびその製造方法
JP3978420B2 (ja) * 2003-10-30 2007-09-19 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 磁気ヘッドスライダ及び磁気ヘッド支持機構の製造方法
JP2005285308A (ja) * 2004-03-02 2005-10-13 Tdk Corp 薄膜処理方法及び薄膜磁気ヘッドの製造方法
JPWO2009028577A1 (ja) * 2007-08-31 2010-12-02 アークレイ株式会社 光学式読み取りコードの形成方法および分析用具
US7919231B2 (en) * 2007-09-04 2011-04-05 Hitachi Global Storage Technologies Netherlands B.V. Photolithographic method and mask devices utilized for multiple exposures in the field of a feature
US9036301B2 (en) * 2011-08-31 2015-05-19 Sae Magnetics (H.K.) Ltd. Slider including laser protection layer, head gimbal assembly, and disk drive unit with the same

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117726A (en) * 1979-03-05 1980-09-10 Hitachi Ltd Manufacture of magnetic head
JPS6220118A (ja) * 1985-07-18 1987-01-28 Matsushita Electric Ind Co Ltd 薄膜磁気ヘツド
JPS6220117A (ja) * 1985-07-18 1987-01-28 Fujitsu Ltd 薄膜磁気ヘツドの製造方法
JPS6220116A (ja) * 1985-07-19 1987-01-28 Hitachi Ltd 薄膜磁気ヘツド
JPH0210712A (ja) * 1988-06-29 1990-01-16 Nippon Chemicon Corp 電子部品の表示方法
JPH0471792A (ja) * 1990-07-10 1992-03-06 Fujitsu Ltd マーキング方法
JPH04102214A (ja) * 1990-08-17 1992-04-03 Yamaha Corp 薄膜磁気ヘッドの製造法
JPH04352314A (ja) * 1991-05-29 1992-12-07 Kawasaki Steel Corp 半導体ウェハの識別方法
US5256578A (en) * 1991-12-23 1993-10-26 Motorola, Inc. Integral semiconductor wafer map recording
JP3331619B2 (ja) * 1992-05-08 2002-10-07 セイコーエプソン株式会社 装飾部材及びその製造方法
US5329090A (en) * 1993-04-09 1994-07-12 A B Lasers, Inc. Writing on silicon wafers
US5523125A (en) * 1993-08-27 1996-06-04 Lisco, Inc. Laser engraving and coating process for forming indicia on articles
JP2758560B2 (ja) * 1994-02-21 1998-05-28 ティーディーケイ株式会社 薄膜磁気ヘッドの製造方法
JPH08235517A (ja) * 1994-05-10 1996-09-13 Mitsubishi Electric Corp 磁気ヘッド及びその製造方法

Also Published As

Publication number Publication date
GB2303959B (en) 1997-10-08
GB2303959A (en) 1997-03-05
US5721651A (en) 1998-02-24
JPH0950606A (ja) 1997-02-18
GB9615936D0 (en) 1996-09-11
JP2950211B2 (ja) 1999-09-20
US5837963A (en) 1998-11-17

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20080730