NL8701667A - Dunne film transformator en magneetkop voorzien van een dergelijke transformator. - Google Patents

Dunne film transformator en magneetkop voorzien van een dergelijke transformator. Download PDF

Info

Publication number
NL8701667A
NL8701667A NL8701667A NL8701667A NL8701667A NL 8701667 A NL8701667 A NL 8701667A NL 8701667 A NL8701667 A NL 8701667A NL 8701667 A NL8701667 A NL 8701667A NL 8701667 A NL8701667 A NL 8701667A
Authority
NL
Netherlands
Prior art keywords
layer
magnetic
transformer
layers
electrically conductive
Prior art date
Application number
NL8701667A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8701667A priority Critical patent/NL8701667A/nl
Priority to JP63171716A priority patent/JPS6437004A/ja
Priority to EP88201486A priority patent/EP0300556A1/en
Priority to DD88317842A priority patent/DD294126A5/de
Priority to CN88104406A priority patent/CN1030669A/zh
Priority to US07/218,013 priority patent/US4927804A/en
Priority to KR1019880008677A priority patent/KR890002914A/ko
Publication of NL8701667A publication Critical patent/NL8701667A/nl
Priority to US07/491,393 priority patent/US5097243A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • 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
    • G11B5/312—Details for reducing flux leakage between the electrical coil layers and the magnetic cores or poles or between the magnetic cores or poles
    • G11B5/3123—Details for reducing flux leakage between the electrical coil layers and the magnetic cores or poles or between the magnetic cores or poles by using special coil configurations or conductors
    • G11B5/3126—Details for reducing flux leakage between the electrical coil layers and the magnetic cores or poles or between the magnetic cores or poles by using special coil configurations or conductors using superconductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F36/00—Transformers with superconductive windings or with windings operating at cryogenic temperature
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Or Transformers For Communication (AREA)
NL8701667A 1987-07-15 1987-07-15 Dunne film transformator en magneetkop voorzien van een dergelijke transformator. NL8701667A (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL8701667A NL8701667A (nl) 1987-07-15 1987-07-15 Dunne film transformator en magneetkop voorzien van een dergelijke transformator.
JP63171716A JPS6437004A (en) 1987-07-15 1988-07-08 Thin film transformer and magnetic head equipped with the transformer
EP88201486A EP0300556A1 (en) 1987-07-15 1988-07-12 Thin-film transformer and magnetic head provided with such a transformer
DD88317842A DD294126A5 (de) 1987-07-15 1988-07-12 Duennfilmtransformator und mit einem derartigen transformator versehener magnetkopf
CN88104406A CN1030669A (zh) 1987-07-15 1988-07-12 薄膜变压器和带这种变压器的磁头
US07/218,013 US4927804A (en) 1987-07-15 1988-07-12 Thin-film transformer and magnetic head provided with such a transformer
KR1019880008677A KR890002914A (ko) 1987-07-15 1988-07-13 박막 변압기 및 자기 헤드
US07/491,393 US5097243A (en) 1987-07-15 1990-03-08 Thin-film transformer utilizing superconductive components

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8701667 1987-07-15
NL8701667A NL8701667A (nl) 1987-07-15 1987-07-15 Dunne film transformator en magneetkop voorzien van een dergelijke transformator.

Publications (1)

Publication Number Publication Date
NL8701667A true NL8701667A (nl) 1989-02-01

Family

ID=19850317

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8701667A NL8701667A (nl) 1987-07-15 1987-07-15 Dunne film transformator en magneetkop voorzien van een dergelijke transformator.

Country Status (7)

Country Link
US (1) US4927804A (ko)
EP (1) EP0300556A1 (ko)
JP (1) JPS6437004A (ko)
KR (1) KR890002914A (ko)
CN (1) CN1030669A (ko)
DD (1) DD294126A5 (ko)
NL (1) NL8701667A (ko)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5463518A (en) * 1987-04-20 1995-10-31 Hitachi, Ltd. Magnetic head and magnetic recording and reproducing apparatus using a superconducting quantum interference device
US5224003A (en) * 1988-06-28 1993-06-29 Matsushita Electric Industrial Co., Ltd. Thin-film magnetic head with lead isolated from upper magnetic block
US5075280A (en) * 1988-11-01 1991-12-24 Ampex Corporation Thin film magnetic head with improved flux concentration for high density recording/playback utilizing superconductors
JPH0316007A (ja) * 1989-03-20 1991-01-24 Hitachi Ltd 磁気記録装置及び磁気ヘツド
US5072324A (en) * 1990-01-11 1991-12-10 Magnex Corporation Thin film transducer/transformer assembly
US5305168A (en) * 1992-03-05 1994-04-19 Magnex Corporation Thin film transducer suspension assembly with flexuro mounted booster element
US5831800A (en) * 1992-05-05 1998-11-03 Magnex Corporation Miniature transformer for read/write transducer
US5329225A (en) * 1992-11-02 1994-07-12 General Electric Co. Thin film superconductor inductor with shield for high frequency resonant circuit
US5515220A (en) * 1993-12-30 1996-05-07 Alioth; Henry L. Multielement disk-shaped rotary magnetic media scanners for magnetic media player-recorders
WO1995030984A1 (fr) * 1994-05-09 1995-11-16 Sony Corporation Tete magnetique et sa fabrication
DE19741302A1 (de) * 1997-09-19 1999-03-25 Inst Halbleiterphysik Gmbh Geometrie für planare Induktivitäten
US7107666B2 (en) * 1998-07-23 2006-09-19 Bh Electronics Method of manufacturing an ultra-miniature magnetic device
US7773340B2 (en) * 1999-02-23 2010-08-10 Advanced Research Corporation Patterned magnetic recording head having a gap pattern with substantially elliptical or substantially diamond-shaped termination pattern
US6269533B2 (en) * 1999-02-23 2001-08-07 Advanced Research Corporation Method of making a patterned magnetic recording head
US6496328B1 (en) * 1999-12-30 2002-12-17 Advanced Research Corporation Low inductance, ferrite sub-gap substrate structure for surface film magnetic recording heads
US7106544B2 (en) * 2003-05-09 2006-09-12 Advanced Research Corporation Servo systems, servo heads, servo patterns for data storage especially for reading, writing, and recording in magnetic recording tape
US8144424B2 (en) 2003-12-19 2012-03-27 Dugas Matthew P Timing-based servo verify head and magnetic media made therewith
US7283317B2 (en) * 2004-01-30 2007-10-16 Advanced Research Corporation Apparatuses and methods for pre-erasing during manufacture of magnetic tape
US20100321824A1 (en) * 2004-02-18 2010-12-23 Dugas Matthew P Magnetic recording head having secondary sub-gaps
JP2007536683A (ja) * 2004-05-04 2007-12-13 アドバンスト・リサーチ・コーポレーション 任意形状のギャップ・パターンのための集積型薄膜サブギャップ／サブ磁極構造、磁気記録ヘッド、及びその製造方法
WO2009094516A1 (en) * 2008-01-23 2009-07-30 Advanced Research Corporation Recording heads with embedded tape guides and magnetic media made by such recording heads
WO2009121073A1 (en) * 2008-03-28 2009-10-01 Advanced Research Corporation Thin film planar arbitrary gap pattern magnetic head
WO2011014836A2 (en) * 2009-07-31 2011-02-03 Advanced Research Corporation Erase drive systems and methods of erasure for tape data cartridge
KR102467833B1 (ko) * 2019-06-25 2022-11-15 삼성중공업 주식회사 액화가스 저장탱크 구조체
US11749455B2 (en) 2022-01-10 2023-09-05 Bh Electronics, Inc. Methods of fabricating ultra-miniature laminated magnetic cores and devices

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1052505A (ko) *
US3098181A (en) * 1960-08-29 1963-07-16 Bell Telephone Labor Inc Magnetic circuit using superconductor properties
US3214679A (en) * 1964-04-13 1965-10-26 Richard K Richards Superconductive transformer system
FR1531172A (fr) * 1966-08-05 1968-06-28 Siemens Ag Transformateur supraconducteur sans noyau de fer
LU53645A1 (ko) * 1966-08-05 1967-07-11
DE1522971A1 (de) * 1967-03-29 1969-10-30 Altenkirch Karl Adolf Gegenstand der Erfindung ist ein Verfahren zur Verbesserung der Dynamik und des Stoerabstandes eines Magnettonkopfes vermittels Schraeganordnung des Spaltes und Verwendung diamagnetischer Stoffe
GB1335472A (en) * 1971-08-05 1973-10-31 Standard Telephones Cables Ltd Magnetic thin film devices
JPS51117020A (en) * 1975-04-07 1976-10-14 Hitachi Ltd Magnetic head and production method of it
JPS5868210A (ja) * 1981-10-16 1983-04-23 Hitachi Ltd 薄膜磁気ヘツド
DE3527468A1 (de) * 1984-08-01 1986-02-06 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Magnetkopf fuer quermagnetische aufzeichnung und wiedergabe
JPS61240422A (ja) * 1985-04-18 1986-10-25 Matsushita Electric Ind Co Ltd ステツプアツプ型磁気ヘツド
JPS62162213A (ja) * 1986-01-10 1987-07-18 Citizen Watch Co Ltd 薄膜磁気ヘツド
JPS63153707A (ja) * 1986-12-17 1988-06-27 Nec Corp 薄膜磁気ヘツド

Also Published As

Publication number Publication date
US4927804A (en) 1990-05-22
KR890002914A (ko) 1989-04-11
CN1030669A (zh) 1989-01-25
EP0300556A1 (en) 1989-01-25
DD294126A5 (de) 1991-09-19
JPS6437004A (en) 1989-02-07

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A1B A search report has been drawn up
BV The patent application has lapsed