FR1380379A - U-shaped pole piece - Google Patents

U-shaped pole piece

Info

Publication number
FR1380379A
FR1380379A FR961963A FR961963A FR1380379A FR 1380379 A FR1380379 A FR 1380379A FR 961963 A FR961963 A FR 961963A FR 961963 A FR961963 A FR 961963A FR 1380379 A FR1380379 A FR 1380379A
Authority
FR
France
Prior art keywords
pole piece
shaped pole
shaped
piece
pole
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR961963A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR961963A priority Critical patent/FR1380379A/en
Application granted granted Critical
Publication of FR1380379A publication Critical patent/FR1380379A/en
Expired legal-status Critical Current

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
    • G11B5/187—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
    • 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
    • G11B5/1335—Assembling or shaping of elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR961963A 1964-01-29 1964-01-29 U-shaped pole piece Expired FR1380379A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR961963A FR1380379A (en) 1964-01-29 1964-01-29 U-shaped pole piece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR961963A FR1380379A (en) 1964-01-29 1964-01-29 U-shaped pole piece

Publications (1)

Publication Number Publication Date
FR1380379A true FR1380379A (en) 1964-11-27

Family

ID=8821991

Family Applications (1)

Application Number Title Priority Date Filing Date
FR961963A Expired FR1380379A (en) 1964-01-29 1964-01-29 U-shaped pole piece

Country Status (1)

Country Link
FR (1) FR1380379A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2472806A1 (en) * 1979-12-26 1981-07-03 Ampex MULTI-BRANCH MAGNETIC TRANSDUCER STRUCTURE
EP0221583A2 (en) * 1985-09-30 1987-05-13 Koninklijke Philips Electronics N.V. Method of manufacturing magnetic head cores
WO2001071711A1 (en) * 2000-03-21 2001-09-27 Koninklijke Philips Electronics N.V. Magnetic head having a magnet core comprising two core elements and a rear terminating element connected by a non-connecting layer

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2472806A1 (en) * 1979-12-26 1981-07-03 Ampex MULTI-BRANCH MAGNETIC TRANSDUCER STRUCTURE
NL8007058A (en) * 1979-12-26 1981-07-16 Ampex MAGNETIC TRANSDUCENT.
EP0221583A2 (en) * 1985-09-30 1987-05-13 Koninklijke Philips Electronics N.V. Method of manufacturing magnetic head cores
EP0221583A3 (en) * 1985-09-30 1987-05-27 N.V. Philips' Gloeilampenfabrieken Method of manufacturing magnetic head cores
WO2001071711A1 (en) * 2000-03-21 2001-09-27 Koninklijke Philips Electronics N.V. Magnetic head having a magnet core comprising two core elements and a rear terminating element connected by a non-connecting layer

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