IT1110467B - Testina a sottile pellicola e relativo processo di fabbricazione - Google Patents

Testina a sottile pellicola e relativo processo di fabbricazione

Info

Publication number
IT1110467B
IT1110467B IT21516/78A IT2151678A IT1110467B IT 1110467 B IT1110467 B IT 1110467B IT 21516/78 A IT21516/78 A IT 21516/78A IT 2151678 A IT2151678 A IT 2151678A IT 1110467 B IT1110467 B IT 1110467B
Authority
IT
Italy
Prior art keywords
thin film
manufacturing process
film head
related manufacturing
head
Prior art date
Application number
IT21516/78A
Other languages
English (en)
Other versions
IT7821516A0 (it
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of IT7821516A0 publication Critical patent/IT7821516A0/it
Application granted granted Critical
Publication of IT1110467B publication Critical patent/IT1110467B/it

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
    • G11B5/3103—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
    • G11B5/187—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
IT21516/78A 1977-03-31 1978-03-23 Testina a sottile pellicola e relativo processo di fabbricazione IT1110467B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/783,373 US4130847A (en) 1977-03-31 1977-03-31 Corrosion resistant thin film head assembly and method for making

Publications (2)

Publication Number Publication Date
IT7821516A0 IT7821516A0 (it) 1978-03-23
IT1110467B true IT1110467B (it) 1985-12-23

Family

ID=25129049

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21516/78A IT1110467B (it) 1977-03-31 1978-03-23 Testina a sottile pellicola e relativo processo di fabbricazione

Country Status (9)

Country Link
US (1) US4130847A (it)
JP (1) JPS5817966B2 (it)
AT (1) AT357789B (it)
CA (1) CA1100628A (it)
DE (1) DE2807456C2 (it)
FR (1) FR2386098A1 (it)
GB (1) GB1553652A (it)
IT (1) IT1110467B (it)
SE (1) SE419587B (it)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
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GB2003647B (en) * 1977-09-02 1982-05-06 Magnex Corp Thin film magnetic recording heads
US4321641A (en) * 1977-09-02 1982-03-23 Magnex Corporation Thin film magnetic recording heads
FR2426943A1 (fr) * 1978-05-26 1979-12-21 Cii Honeywell Bull Plate-forme d'au moins un transducteur de lecture et/ou d'enregistrement d'un support d'informations
US4219853A (en) * 1978-12-21 1980-08-26 International Business Machines Corporation Read/write thin film head
US4219854A (en) * 1978-12-21 1980-08-26 International Business Machines Corporation Thin film magnetic head assembly
FR2447072A1 (fr) * 1979-01-17 1980-08-14 Cii Honeywell Bull Corps contenant au moins un transducteur de lecture et/ou d'enregistrement des informations contenues sur un support
US4242710A (en) * 1979-01-29 1980-12-30 International Business Machines Corporation Thin film head having negative magnetostriction
US4251841A (en) * 1979-06-01 1981-02-17 International Business Machines Corporation Magnetic head slider assembly
JPS56500630A (it) * 1979-06-01 1981-05-07
US4212904A (en) * 1979-06-04 1980-07-15 Avrukh Elizaveta L Method for treating items from magnetically soft alloys
JPS56107334A (en) * 1980-01-29 1981-08-26 Tdk Corp Flying magnetic head
JPS56113626U (it) * 1980-01-30 1981-09-01
US4333229A (en) * 1980-07-21 1982-06-08 Memorex Corporation Method of manufacturing thin film magnetic head/slider combination
US4582812A (en) * 1981-01-09 1986-04-15 Nippon Tungsten Co., Ltd. Aluminum oxide substrate material for magnetic head and method for producing the same
JPS57117118A (en) * 1981-01-12 1982-07-21 Fujitsu Ltd Thin film magnetic head
JPS5832221A (ja) * 1981-08-17 1983-02-25 Sony Corp 磁気抵抗効果型磁気ヘツド
JPS5911527A (ja) * 1982-07-09 1984-01-21 Comput Basic Mach Technol Res Assoc 薄膜磁気ヘツドおよびその製造方法
JPS59112422A (ja) * 1982-12-16 1984-06-28 Sony Corp 磁気抵抗効果型磁気ヘツド
US4435247A (en) 1983-03-10 1984-03-06 International Business Machines Corporation Method for polishing titanium carbide
JPS6047223A (ja) * 1983-08-25 1985-03-14 Sony Corp 磁気抵抗効果型磁気ヘツド
US4605977A (en) * 1983-12-14 1986-08-12 Sperry Corporation Air bearing head displacement sensor and positioner
JPS60231308A (ja) * 1984-05-01 1985-11-16 Sumitomo Special Metals Co Ltd アルミナ系磁気ヘッド用基板材料及びその製造方法
JPH062615B2 (ja) * 1984-12-29 1994-01-12 ティーディーケイ株式会社 磁気ヘツドスライダ材料
JPS61210511A (ja) * 1985-03-15 1986-09-18 Tdk Corp 可撓性媒体用薄膜磁気ヘツド及びそれを用いた磁気記憶装置
JPS61253679A (ja) * 1985-05-07 1986-11-11 Toshiba Corp 磁気デイスク装置
EP0218811B1 (en) * 1985-07-19 1991-05-29 Kabushiki Kaisha Toshiba Magnetic head slider assembly
US5198934A (en) * 1985-07-19 1993-03-30 Kabushiki Kaisha Toshiba Magnetic disk device including a slider provided with a solid protecting layer which determines the distance between a magnetic gap and a magnetic disk recording device
DE3630841A1 (de) * 1985-09-13 1987-03-26 Hitachi Metals Ltd Fliegender magnetkopf
FR2597247B1 (fr) * 1986-04-11 1995-01-27 Thomson Csf Procede de realisation d'une couche de protection mecanique pour tete magnetique d'enregistrement/lecture et tete magnetique d'enregistrement/lecture mettant en oeuvre ce procede
FR2611970B1 (fr) * 1987-03-06 1989-05-26 Thomson Csf Procede de realisation d'une tete magnetique en couches minces et application a une tete d'enretistrement/lecture
JPS63220488A (ja) * 1987-03-06 1988-09-13 Nec Corp 浮動ヘツドスライダ
DE3923327A1 (de) * 1989-07-14 1991-01-24 Thomson Brandt Gmbh Kuehlkoerper fuer ein zu kuehlendes element
US5023738A (en) * 1989-12-18 1991-06-11 Seagate Technology, Inc. Corrosion resistant magnetic recording read
US5220471A (en) * 1990-08-14 1993-06-15 Tdk Corporation Air bearing slider having a longitudinal groove in surface remote from recording medium
US5086360A (en) * 1990-09-06 1992-02-04 Applied Magnetics Corporation Constant flying height slider
US5159508A (en) * 1990-12-27 1992-10-27 International Business Machines Corporation Magnetic head slider having a protective coating thereon
US5271802A (en) * 1990-12-27 1993-12-21 International Business Machines Corporation Method for making a thin film magnetic head having a protective coating
US5175658A (en) * 1990-12-27 1992-12-29 International Buiness Machines Corporation Thin film magnetic head having a protective coating and method for making same
US5079831A (en) * 1991-02-07 1992-01-14 Applied Magnetics Corporation Method of making a dual stripe magnetic head
MY107733A (en) * 1991-05-21 1996-05-30 Onstream Inc Combined read/write magnetic head
EP0612061B1 (en) * 1993-02-17 1998-08-26 International Business Machines Corporation Magnetoresistive read transducer
CA2115394A1 (en) * 1994-02-10 1995-08-11 Fong-Jei Lin Slider for miniature transducer
US5467881A (en) * 1994-06-28 1995-11-21 International Business Machines Corporation Method of manufacturing an MR read head which eliminates lead-to-shield shorts at the ABS of the MR read head
KR100478071B1 (ko) * 1996-11-21 2005-07-11 코닌클리케 필립스 일렉트로닉스 엔.브이. 집적회로를갖는자기헤드및그제조방법
JPH11306708A (ja) * 1998-02-23 1999-11-05 Fujitsu Ltd 浮上ヘッドスライダおよび記録ディスク装置
US6407891B1 (en) 1999-05-24 2002-06-18 International Business Machines Corporation Magnetic read/write head having electromagnetic field cancellation element
US6804878B1 (en) 1999-12-21 2004-10-19 Hitachi Global Storage Technologies Netherlands B.V. Method of improving the reliability of magnetic head sensors by ion milling smoothing
US6423240B1 (en) 2000-01-07 2002-07-23 International Business Machines Corporation Process to tune the slider trailing edge profile
US6433965B1 (en) 2000-03-02 2002-08-13 Read-Rite Corporation Laminated carbon-containing overcoats for information storage system transducers
US6416935B1 (en) 2000-08-07 2002-07-09 International Business Machines Corporation Method for forming the air bearing surface of a slider
US6657806B1 (en) 2000-10-19 2003-12-02 International Business Machines Corporation Method for detecting damage to the transducer head and/or tape guide of an interactive media device
US6822820B1 (en) 2000-10-19 2004-11-23 International Business Machines Corporation Apparatus for detecting damage to the transducer head and/or tape guide of an interactive media device
US6433959B1 (en) 2000-10-30 2002-08-13 Storage Technology Corporation Tape head contour utilizing enclosed through slots
US7170721B2 (en) 2002-06-25 2007-01-30 Quantum Corporation Method of producing flux guides in magnetic recording heads
US6879470B2 (en) 2002-08-19 2005-04-12 Quantum Corporation Thin film recording head with a localized coating to protect against corrosion and electrostatic discharge
US6667457B1 (en) 2002-09-17 2003-12-23 Hitachi Global Storage Technologies System and method for a sacrificial anode in a kerf for corrosion protection during slider fabrication
US7137190B2 (en) * 2002-10-03 2006-11-21 Hitachi Global Storage Technologies Netherlands B.V. Method for fabricating a magnetic transducer with a corrosion resistant layer on metallic thin films by nitrogen exposure
US7097745B2 (en) * 2003-06-27 2006-08-29 Seagate Technology, Llc Method of forming a tunneling magnetoresistive head
US20050264949A1 (en) * 2004-05-28 2005-12-01 Hitachi Global Storage Technologies Netherlands, B.V. Recessed SiO2 or Si3N4 overcoat for GMR head in magnetic disk drive
US7290325B2 (en) 2004-08-13 2007-11-06 Quantum Corporation Methods of manufacturing magnetic heads with reference and monitoring devices
US7477482B2 (en) 2005-04-19 2009-01-13 International Business Machines Corporation Magnetic recording head
US7751154B2 (en) * 2005-05-19 2010-07-06 Quantum Corporation Magnetic recording heads with bearing surface protections and methods of manufacture
US8424192B1 (en) 2005-08-08 2013-04-23 Western Digital (Fremont), Llc Method for manufacturing a pole for a magnetic recording head
US7495865B2 (en) * 2006-04-10 2009-02-24 Seagate Technology Llc Adhesion layer for protective overcoat
CN102623017B (zh) * 2011-01-26 2016-06-08 新科实业有限公司 用于制造磁头的磁条加工方法及用于加工磁条的磁条掩膜
US10957347B1 (en) * 2020-01-10 2021-03-23 International Business Machines Corporation Thin film heating device in a write gap

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573768A (en) * 1967-10-20 1971-04-06 Singer Co Stepped magnetic head with offset biasing
US3614831A (en) * 1969-09-12 1971-10-26 Sperry Rand Corp Method of making a hard-surface rotor containing magnetic transducers
US3665436A (en) * 1970-06-17 1972-05-23 Potter Instrument Co Inc Long-wearing magnetic head
US3657806A (en) * 1970-12-28 1972-04-25 Ibm Method for manufacturing a thin-film magnetic head assembly
JPS5248495B2 (it) * 1971-10-04 1977-12-10
US3921217A (en) * 1971-12-27 1975-11-18 Ibm Three-legged magnetic recording head using a magnetorestive element
IT993903B (it) * 1972-11-30 1975-09-30 Ibm Passivazione di sottili pellicole magnetoresistive
US3823416A (en) * 1973-03-01 1974-07-09 Ibm Flying magnetic transducer assembly having three rails
DE2344561C3 (de) * 1973-09-04 1978-08-31 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verschleißarmer Magnetkopf
US3887945A (en) * 1973-12-12 1975-06-03 Ibm Head assembly for recording and reading, employing inductive and magnetoresistive elements
US3855625A (en) * 1973-12-19 1974-12-17 Ibm Magnetic head slider assembly
US3956770A (en) * 1974-08-26 1976-05-11 Sperry Rand Corporation Contact start-stop self-elevating air supported magnetic recording head

Also Published As

Publication number Publication date
SE7803535L (sv) 1978-10-01
FR2386098A1 (fr) 1978-10-27
JPS5817966B2 (ja) 1983-04-11
ATA158478A (de) 1979-12-15
SE419587B (sv) 1981-08-10
US4130847A (en) 1978-12-19
GB1553652A (en) 1979-09-26
DE2807456C2 (de) 1982-04-08
DE2807456A1 (de) 1978-10-05
JPS53123114A (en) 1978-10-27
IT7821516A0 (it) 1978-03-23
CA1100628A (en) 1981-05-05
AT357789B (de) 1980-07-25
FR2386098B1 (it) 1982-09-17

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