NL7314869A - - Google Patents

Info

Publication number
NL7314869A
NL7314869A NL7314869A NL7314869A NL7314869A NL 7314869 A NL7314869 A NL 7314869A NL 7314869 A NL7314869 A NL 7314869A NL 7314869 A NL7314869 A NL 7314869A NL 7314869 A NL7314869 A NL 7314869A
Authority
NL
Netherlands
Application number
NL7314869A
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 filed Critical
Publication of NL7314869A publication Critical patent/NL7314869A/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
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers
    • G11B5/3143—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding
    • G11B5/3146—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers
    • G11B5/3153—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers including at least one magnetic thin film coupled by interfacing to the basic magnetic thin film 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/245—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 controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track
    • G11B5/2452—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 controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track where the dimensions of the effective gap are controlled

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Heads (AREA)
  • Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
NL7314869A 1972-11-07 1973-10-30 NL7314869A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7239317A FR2205701B1 (en) 1972-11-07 1972-11-07

Publications (1)

Publication Number Publication Date
NL7314869A true NL7314869A (en) 1974-05-09

Family

ID=9106735

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7314869A NL7314869A (en) 1972-11-07 1973-10-30

Country Status (9)

Country Link
US (1) US3867368A (en)
BE (1) BE806212A (en)
DE (1) DE2355672C3 (en)
ES (1) ES420322A1 (en)
FR (1) FR2205701B1 (en)
GB (1) GB1453288A (en)
HU (1) HU169854B (en)
IT (1) IT999733B (en)
NL (1) NL7314869A (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2264350B1 (en) * 1974-03-11 1978-09-29 Cii
JPS51117020A (en) * 1975-04-07 1976-10-14 Hitachi Ltd Magnetic head and production method of it
US4191983A (en) * 1977-06-24 1980-03-04 Applied Magnetics Corporation Thin film magnetic head assembly having a thin film magnetic transducer encapsulated in insulating bonding material
US4321641A (en) * 1977-09-02 1982-03-23 Magnex Corporation Thin film magnetic recording heads
US4195323A (en) * 1977-09-02 1980-03-25 Magnex Corporation Thin film magnetic recording heads
GB2003647B (en) * 1977-09-02 1982-05-06 Magnex Corp Thin film magnetic recording heads
US4156882A (en) * 1977-12-15 1979-05-29 Texas Instruments Incorporated Magnetic transducer
US4374403A (en) * 1979-06-27 1983-02-15 Matsushita Electric Industrial Co., Ltd. Magnetic recording and reproducing system
DE3424651A1 (en) * 1983-11-04 1985-05-15 Control Data Corp., Minneapolis, Minn. MAGNETIC CONVERTER HEAD
DE3888680T2 (en) * 1987-12-04 1994-09-08 Digital Equipment Corp FINED POLE FOR MAGNETIC HEADS.
US5108837A (en) * 1987-12-04 1992-04-28 Digital Equipment Corporation Laminated poles for recording heads
US4897749A (en) * 1988-03-16 1990-01-30 Magnetic Peripherals Inc. Combination probe and ring head for vertical recording
US5065326A (en) * 1989-08-17 1991-11-12 Caterpillar, Inc. Automatic excavation control system and method
JPH0383213A (en) * 1989-08-24 1991-04-09 Matsushita Electric Ind Co Ltd Thin film magnetic head
US5132859A (en) * 1990-08-23 1992-07-21 International Business Machines Corporation Thin film structures for magnetic recording heads
US6259583B1 (en) 1998-09-16 2001-07-10 International Business Machines, Corporation Laminated yoke head with a domain control element
US7369360B2 (en) * 2004-11-05 2008-05-06 Seagate Technology Llc Perpendicular recording head having controlled permeability and saturation moment
US8329320B2 (en) * 2008-11-13 2012-12-11 Headway Technologies, Inc. Laminated high moment film for head applications

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344237A (en) * 1967-09-26 Desposited film transducing apparatus and method op producing the apparatus
US3549825A (en) * 1967-09-18 1970-12-22 Ncr Co Magnetic transducer with planar spiral coil extending into the gap
US3564558A (en) * 1968-08-26 1971-02-16 Sperry Rand Corp High-density magnetic recording scheme
US3611417A (en) * 1969-07-30 1971-10-05 Sperry Rand Corp High-density magnetic recording method
BE758053A (en) * 1969-10-28 1971-04-01 Commissariat Energie Atomique INTEGRATED MAGNETIC HEAD AND METHOD FOR MANUFACTURING THE SAID HEAD
US3700827A (en) * 1970-01-31 1972-10-24 Nippon Electric Co Magnetic head including thin magnetic film separated by a gap spacer
US3639699A (en) * 1970-02-27 1972-02-01 Gen Electric Magnetic transducer having a composite magnetic core structure

Also Published As

Publication number Publication date
ES420322A1 (en) 1976-03-16
DE2355672A1 (en) 1974-05-16
DE2355672B2 (en) 1980-01-31
HU169854B (en) 1977-02-28
FR2205701A1 (en) 1974-05-31
FR2205701B1 (en) 1977-08-05
GB1453288A (en) 1976-10-20
DE2355672C3 (en) 1980-10-09
BE806212A (en) 1974-02-15
US3867368A (en) 1975-02-18
IT999733B (en) 1976-03-10

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: COMPAGNIE INTERNATIONALE POUR L INFORMATIQUE CII-HONEYWELL BULL

BV The patent application has lapsed