NL7012958A - - Google Patents

Info

Publication number
NL7012958A
NL7012958A NL7012958A NL7012958A NL7012958A NL 7012958 A NL7012958 A NL 7012958A NL 7012958 A NL7012958 A NL 7012958A NL 7012958 A NL7012958 A NL 7012958A NL 7012958 A NL7012958 A NL 7012958A
Authority
NL
Netherlands
Application number
NL7012958A
Other versions
NL162226B (nl
NL162226C (nl
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
Priority claimed from JP11536869U external-priority patent/JPS4939290Y1/ja
Priority claimed from JP12169269U external-priority patent/JPS5121717Y1/ja
Priority claimed from JP1200570U external-priority patent/JPS506343Y1/ja
Application filed filed Critical
Publication of NL7012958A publication Critical patent/NL7012958A/xx
Application granted granted Critical
Publication of NL162226B publication Critical patent/NL162226B/xx
Publication of NL162226C publication Critical patent/NL162226C/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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
    • 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • 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
    • G11B5/127—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
    • G11B5/255—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 protection against wear
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
NL7012958.A 1969-09-12 1970-09-02 Magneetkop. NL162226C (nl)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP8666769 1969-09-12
JP10276569 1969-10-29
JP8785469 1969-11-03
JP11536869U JPS4939290Y1 (fr) 1969-12-04 1969-12-04
JP12169269U JPS5121717Y1 (fr) 1969-12-22 1969-12-22
JP1200570U JPS506343Y1 (fr) 1970-02-06 1970-02-06

Publications (3)

Publication Number Publication Date
NL7012958A true NL7012958A (fr) 1971-03-16
NL162226B NL162226B (nl) 1979-11-15
NL162226C NL162226C (nl) 1979-11-15

Family

ID=27548378

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7012958.A NL162226C (nl) 1969-09-12 1970-09-02 Magneetkop.

Country Status (5)

Country Link
US (1) US3686466A (fr)
BE (1) BE756020A (fr)
DE (1) DE2044997A1 (fr)
GB (1) GB1324335A (fr)
NL (1) NL162226C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052594A (en) * 1976-03-29 1977-10-04 Bourns, Inc. Mark reader with improved mark sensing heads
US4291354A (en) * 1979-06-04 1981-09-22 Ampex Corporation Extended life multichannel magnetic transducer
FR2606920B1 (fr) * 1986-11-18 1991-11-29 Europ Composants Electron Tete magnetique pour pistes magnetiques a fort champ coercitif et procede de fabrication
US6639753B1 (en) 2000-09-01 2003-10-28 Hewlett-Packard Development Company, L.P. Method of forming a head assembly, a head assembly, and a linear tape drive

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2908770A (en) * 1956-04-30 1959-10-13 Rca Corp Magnetic recording-reproducing
US3145452A (en) * 1958-03-24 1964-08-25 Iit Res Inst Method of making a magnetic head
US3249700A (en) * 1960-09-27 1966-05-03 Philips Corp Magnetic heads with means for preventing side erosion
US3562442A (en) * 1968-10-04 1971-02-09 Potter Instrument Co Inc Multi-track magnetic recording heads and method of construction therefor
US3551609A (en) * 1969-02-10 1970-12-29 Burroughs Corp Magnetic recording head with interlocking "v" bars

Also Published As

Publication number Publication date
US3686466A (en) 1972-08-22
GB1324335A (en) 1973-07-25
DE2044997A1 (de) 1971-05-19
BE756020A (fr) 1971-02-15
NL162226B (nl) 1979-11-15
NL162226C (nl) 1979-11-15

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee