NL8104340A - Magneetkop. - Google Patents

Magneetkop. Download PDF

Info

Publication number
NL8104340A
NL8104340A NL8104340A NL8104340A NL8104340A NL 8104340 A NL8104340 A NL 8104340A NL 8104340 A NL8104340 A NL 8104340A NL 8104340 A NL8104340 A NL 8104340A NL 8104340 A NL8104340 A NL 8104340A
Authority
NL
Netherlands
Prior art keywords
magnetic
angle
track
plane
determining
Prior art date
Application number
NL8104340A
Other languages
English (en)
Dutch (nl)
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of NL8104340A publication Critical patent/NL8104340A/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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • 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
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
    • 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
    • G11B5/193—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features the pole pieces being ferrite or other magnetic particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
NL8104340A 1980-09-22 1981-09-21 Magneetkop. NL8104340A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13073480 1980-09-22
JP55130734A JPS5755522A (en) 1980-09-22 1980-09-22 Magnetic head

Publications (1)

Publication Number Publication Date
NL8104340A true NL8104340A (nl) 1982-04-16

Family

ID=15041345

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8104340A NL8104340A (nl) 1980-09-22 1981-09-21 Magneetkop.

Country Status (4)

Country Link
US (1) US4450494A (US20100012521A1-20100121-C00001.png)
JP (1) JPS5755522A (US20100012521A1-20100121-C00001.png)
DE (1) DE3137482C2 (US20100012521A1-20100121-C00001.png)
NL (1) NL8104340A (US20100012521A1-20100121-C00001.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5891517A (ja) * 1981-11-27 1983-05-31 Hitachi Ltd 磁気記録再生装置
NL8200481A (nl) * 1982-02-09 1983-09-01 Philips Nv Magneetkop.
JPS5914101A (ja) * 1982-07-14 1984-01-25 Hitachi Ltd 磁気記録再生方式
JPS6089805A (ja) * 1983-10-24 1985-05-20 Sony Corp 磁気消去ヘツド
NL8403595A (nl) * 1984-11-27 1986-06-16 Philips Nv Magneetkop met kerndelen van amorf ferromagnetisch metaal.
EP0314172B1 (en) * 1987-10-29 1994-03-09 Fuji Photo Film Co., Ltd. Film magnetic head
US5135818A (en) * 1989-03-28 1992-08-04 Hitachi Maxell, Ltd. Thin soft magnetic film and method of manufacturing the same
US5001588A (en) * 1989-06-30 1991-03-19 Ampex Corporation Composite core magnetic transducer having a wedge shaped core portion
US5426550A (en) * 1990-06-08 1995-06-20 Matsushita Electric Industrial Co., Ltd. Multitrack magnetic head assembly for scanning a magnetic tape with a plurality of magnetic head tips
JPH05114110A (ja) * 1991-10-22 1993-05-07 Hitachi Metals Ltd 磁歪振動ノイズを減少させた浮上型磁気ヘツド
JPH05197903A (ja) * 1991-10-28 1993-08-06 Canon Inc 光磁気記録装置
JP3462019B2 (ja) * 1996-10-23 2003-11-05 アルプス電気株式会社 磁気ヘッド
JPH10162308A (ja) * 1996-11-29 1998-06-19 Alps Electric Co Ltd 磁気ヘッド
JP3517067B2 (ja) * 1996-11-29 2004-04-05 アルプス電気株式会社 磁気ヘッド

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810245A (en) * 1971-06-28 1974-05-07 Sony Corp Single crystal ferrite magnetic head
US4245269A (en) * 1977-03-15 1981-01-13 Yasinavichyus Rimvidas P Magnetic head and method of fabricating the same
JPS5496012A (en) * 1978-01-13 1979-07-30 Victor Co Of Japan Ltd Magnetic head

Also Published As

Publication number Publication date
DE3137482A1 (de) 1982-05-13
JPS5755522A (en) 1982-04-02
JPH0542725B2 (US20100012521A1-20100121-C00001.png) 1993-06-29
DE3137482C2 (de) 1987-04-02
US4450494A (en) 1984-05-22

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BV The patent application has lapsed