NL8802960A - Systeem omvattende een magneetkop en een verplaatsbare magnetische informatiedrager, alsmede een magneetkop en een magnetische informatiedrager geschikt voor toepassing in het systeem. - Google Patents

Systeem omvattende een magneetkop en een verplaatsbare magnetische informatiedrager, alsmede een magneetkop en een magnetische informatiedrager geschikt voor toepassing in het systeem. Download PDF

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Publication number
NL8802960A
NL8802960A NL8802960A NL8802960A NL8802960A NL 8802960 A NL8802960 A NL 8802960A NL 8802960 A NL8802960 A NL 8802960A NL 8802960 A NL8802960 A NL 8802960A NL 8802960 A NL8802960 A NL 8802960A
Authority
NL
Netherlands
Prior art keywords
magnetic
magnetic head
layer
information carrier
head
Prior art date
Application number
NL8802960A
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 NL8802960A priority Critical patent/NL8802960A/nl
Priority to DE68923933T priority patent/DE68923933T2/de
Priority to EP89203008A priority patent/EP0371561B1/en
Priority to JP1306752A priority patent/JP2783436B2/ja
Priority to US07/444,600 priority patent/US5105323A/en
Publication of NL8802960A publication Critical patent/NL8802960A/nl

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
    • 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
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Magnetic Record Carriers (AREA)
NL8802960A 1988-12-01 1988-12-01 Systeem omvattende een magneetkop en een verplaatsbare magnetische informatiedrager, alsmede een magneetkop en een magnetische informatiedrager geschikt voor toepassing in het systeem. NL8802960A (nl)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL8802960A NL8802960A (nl) 1988-12-01 1988-12-01 Systeem omvattende een magneetkop en een verplaatsbare magnetische informatiedrager, alsmede een magneetkop en een magnetische informatiedrager geschikt voor toepassing in het systeem.
DE68923933T DE68923933T2 (de) 1988-12-01 1989-11-27 System mit Magnetkopf und beweglichem Magnetaufzeichnungsträger.
EP89203008A EP0371561B1 (en) 1988-12-01 1989-11-27 System comprising a magnetic head and a movable magnetic information carrier
JP1306752A JP2783436B2 (ja) 1988-12-01 1989-11-28 磁気ヘッドと可動磁気情報担体とを具えるシステム
US07/444,600 US5105323A (en) 1988-12-01 1989-12-01 Anistropic magnetic layer for reducing the signal to noise ratio between a magnetic head and a moveable information carrier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8802960A NL8802960A (nl) 1988-12-01 1988-12-01 Systeem omvattende een magneetkop en een verplaatsbare magnetische informatiedrager, alsmede een magneetkop en een magnetische informatiedrager geschikt voor toepassing in het systeem.
NL8802960 1988-12-01

Publications (1)

Publication Number Publication Date
NL8802960A true NL8802960A (nl) 1990-07-02

Family

ID=19853320

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8802960A NL8802960A (nl) 1988-12-01 1988-12-01 Systeem omvattende een magneetkop en een verplaatsbare magnetische informatiedrager, alsmede een magneetkop en een magnetische informatiedrager geschikt voor toepassing in het systeem.

Country Status (5)

Country Link
US (1) US5105323A (ja)
EP (1) EP0371561B1 (ja)
JP (1) JP2783436B2 (ja)
DE (1) DE68923933T2 (ja)
NL (1) NL8802960A (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0780833A3 (en) * 1995-12-20 1999-01-07 Ampex Corporation Improved magnetic recording system having a saturable layer and detection using MR element
KR19990022003A (ko) * 1996-03-27 1999-03-25 엠. 제이. 엠. 반캄 언인터럽트 자속 안내부를 갖는 자기헤드
US5830590A (en) * 1996-06-28 1998-11-03 Ampex Corporation Magnetic storage and reproducing system with a low permeability keeper and a self-biased magnetoresistive reproduce head
US5861220A (en) * 1996-08-06 1999-01-19 Ampex Corporation Method and apparatus for providing a magnetic storage and reproducing media with a keeper layer having a longitudinal anisotropy
US5843565A (en) * 1996-10-31 1998-12-01 Ampex Corporation Particulate magnetic medium utilizing keeper technology and methods of manufacture

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032567B (de) * 1957-08-26 1958-06-19 Telefunken Gmbh Nach dem Magnettonverfahren arbeitendes Geraet zur Aufzeichnung und/oder Wiedergabe von Signalen, z. B. Registriergeraet
US3432837A (en) * 1964-12-30 1969-03-11 Ibm Sensor magnetic head with magnetic material as a gap bridge
GB1411629A (en) * 1971-12-14 1975-10-29 Matsushita Electric Ind Co Ltd Magnetic recording head and manufacture thereof
US4130846A (en) * 1977-04-27 1978-12-19 Sperry Rand Corporation Magnetic transducer
JPS58102308A (ja) * 1981-12-15 1983-06-17 Matsushita Electric Ind Co Ltd 磁気記録再生装置
JPS58108020A (ja) * 1981-12-18 1983-06-28 Matsushita Electric Ind Co Ltd 磁気ヘツド
JPS6063710A (ja) * 1983-09-19 1985-04-12 Hitachi Ltd 磁気ディスク媒体
DE3475129D1 (en) * 1983-12-27 1988-12-15 Memorex Corp Protection of thin cobaltous films for magnetic recording
CA1235808A (en) * 1984-03-22 1988-04-26 Tetsuo Oka Vertical magnetic recording medium and process for preparation thereof

Also Published As

Publication number Publication date
EP0371561A3 (en) 1991-11-21
JP2783436B2 (ja) 1998-08-06
EP0371561B1 (en) 1995-08-23
US5105323A (en) 1992-04-14
JPH02192005A (ja) 1990-07-27
EP0371561A2 (en) 1990-06-06
DE68923933T2 (de) 1996-04-04
DE68923933D1 (de) 1995-09-28

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Legal Events

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