NL194054C - Magneetkop voor loodrechte registratie. - Google Patents

Magneetkop voor loodrechte registratie. Download PDF

Info

Publication number
NL194054C
NL194054C NL8303023A NL8303023A NL194054C NL 194054 C NL194054 C NL 194054C NL 8303023 A NL8303023 A NL 8303023A NL 8303023 A NL8303023 A NL 8303023A NL 194054 C NL194054 C NL 194054C
Authority
NL
Netherlands
Prior art keywords
magnetic
main pole
pole
auxiliary
magnetic head
Prior art date
Application number
NL8303023A
Other languages
English (en)
Dutch (nl)
Other versions
NL194054B (nl
NL8303023A (nl
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of NL8303023A publication Critical patent/NL8303023A/nl
Publication of NL194054B publication Critical patent/NL194054B/xx
Application granted granted Critical
Publication of NL194054C publication Critical patent/NL194054C/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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
NL8303023A 1982-08-30 1983-08-30 Magneetkop voor loodrechte registratie. NL194054C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15032382 1982-08-30
JP57150323A JPS5940314A (ja) 1982-08-30 1982-08-30 磁気ヘツド

Publications (3)

Publication Number Publication Date
NL8303023A NL8303023A (nl) 1984-03-16
NL194054B NL194054B (nl) 2001-01-02
NL194054C true NL194054C (nl) 2001-05-03

Family

ID=15494505

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8303023A NL194054C (nl) 1982-08-30 1983-08-30 Magneetkop voor loodrechte registratie.

Country Status (7)

Country Link
US (1) US4635153A (ja)
JP (1) JPS5940314A (ja)
CA (1) CA1204508A (ja)
DE (1) DE3331254A1 (ja)
FR (1) FR2532458B1 (ja)
GB (1) GB2126408B (ja)
NL (1) NL194054C (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4803582A (en) * 1983-06-23 1989-02-07 Victor Company Of Japan Ltd. Perpendicular magnetization type magnetic head having a magnetic pole part which forms a closed magnetic path
EP0172609A1 (en) * 1984-08-02 1986-02-26 Magnetic Peripherals Inc. Data transcription magnetic head assembly
DE3428800A1 (de) * 1984-08-04 1986-02-13 Robert Bosch Gmbh, 7000 Stuttgart Duennschicht-magnetkopf
NL8501200A (nl) * 1985-04-26 1986-11-17 Philips Nv Magneetkop voor loodrechte registratie.
JPS6214307A (ja) * 1985-07-11 1987-01-22 Sanyo Electric Co Ltd 垂直磁気ヘツド
JPS6216209A (ja) * 1985-07-16 1987-01-24 Sony Corp 単磁極型磁気ヘツド
JPS6289201A (ja) * 1985-10-16 1987-04-23 Hitachi Ltd 磁気記録再生装置
US4667260A (en) * 1986-03-20 1987-05-19 Magnetic Peripherals Inc. Thin film vertical recording head
US5014148A (en) * 1986-09-11 1991-05-07 Nippon Hoso Kyokai Perpendicular magnetic recording and reproducing head
NL8700160A (nl) * 1987-01-23 1988-08-16 Philips Nv Magneetkop voor gebruik bij loodrechte registratie.
JPH02239421A (ja) * 1989-03-10 1990-09-21 Mitsubishi Electric Corp 磁気ヘッド装置
US5267392A (en) * 1992-03-04 1993-12-07 Ampex Systems Corporation Method of manufacturing a laminated high frequency magnetic transducer
EP0650628B1 (en) * 1992-07-17 1997-09-24 Ampex Systems Corporation Composite metal and ferrite head transducer and manufacturing method therefor
EP0768640A3 (en) * 1995-10-13 1998-11-11 Ampex Corporation A small core magnetic head with non-magnetic side support
US6798615B1 (en) * 2000-03-24 2004-09-28 Seagate Technology Llc Perpendicular recording head with return poles which reduce flux antenna effect
US7922833B2 (en) 2008-08-05 2011-04-12 Kennametal Inc. Gas regulator for thermal energy machining

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2927163A (en) * 1955-09-12 1960-03-01 Hughes Aircraft Co Electromagnetic transducers
US3302271A (en) * 1961-11-22 1967-02-07 Sony Corp Method of manufacturing a magnetic head assembly
JPS55157122A (en) * 1979-05-24 1980-12-06 Olympus Optical Co Ltd Magnetic head and production thereof magnetic head
JPS563422A (en) * 1979-06-20 1981-01-14 Matsushita Electric Ind Co Ltd Magnetic head
JPS5687219A (en) * 1979-12-14 1981-07-15 Toshiba Corp Vertical magnetization type magnetic head
JPS5687217A (en) * 1979-12-14 1981-07-15 Toshiba Corp Vertical magnetization type magnetic head and its manufacture
US4383284A (en) * 1979-12-14 1983-05-10 Tokyo Shibaura Denki Kabushiki Kaisha Perpendicular magnetic head and method of manufacturing the same
JPS56165918A (en) * 1980-05-23 1981-12-19 Ricoh Co Ltd Vertical magnetic recorder and reproducer
JPS5774812A (en) * 1980-06-18 1982-05-11 Sanyo Electric Co Ltd Manufacture of magnetic head for vertical magnetic recording
JPS5715211A (en) * 1980-06-30 1982-01-26 Toshiba Corp Manufacture of vertical magnetization type magnetic head
JPS5740722A (en) * 1980-08-25 1982-03-06 Matsushita Electric Ind Co Ltd Vertical magnetic recording head
JPS5764317A (en) * 1980-09-30 1982-04-19 Toshiba Corp Vertical magnetization type magnetic head
JPS57111817A (en) * 1980-12-29 1982-07-12 Toshiba Corp Vertical magnetization type magnetic head

Also Published As

Publication number Publication date
NL194054B (nl) 2001-01-02
DE3331254A1 (de) 1984-03-01
GB8323164D0 (en) 1983-09-28
GB2126408B (en) 1985-10-02
FR2532458B1 (fr) 1990-03-02
JPH0344366B2 (ja) 1991-07-05
CA1204508A (en) 1986-05-13
US4635153A (en) 1987-01-06
GB2126408A (en) 1984-03-21
NL8303023A (nl) 1984-03-16
JPS5940314A (ja) 1984-03-06
FR2532458A1 (fr) 1984-03-02
DE3331254C2 (ja) 1991-10-31

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 20030301