FR1272521A - Improvements made to magnetic heads for recorders, and their manufacturing processes - Google Patents

Improvements made to magnetic heads for recorders, and their manufacturing processes

Info

Publication number
FR1272521A
FR1272521A FR830848A FR830848A FR1272521A FR 1272521 A FR1272521 A FR 1272521A FR 830848 A FR830848 A FR 830848A FR 830848 A FR830848 A FR 830848A FR 1272521 A FR1272521 A FR 1272521A
Authority
FR
France
Prior art keywords
recorders
manufacturing processes
magnetic heads
improvements made
heads
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
FR830848A
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.)
Allard Way Holdings Ltd
Original Assignee
Elliott Brothers London 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 Elliott Brothers London Ltd filed Critical Elliott Brothers London Ltd
Priority to FR830848A priority Critical patent/FR1272521A/en
Application granted granted Critical
Publication of FR1272521A publication Critical patent/FR1272521A/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
    • G11B5/17—Construction or disposition of windings
    • 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
    • G11B5/187—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
    • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR830848A 1960-06-23 1960-06-23 Improvements made to magnetic heads for recorders, and their manufacturing processes Expired FR1272521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR830848A FR1272521A (en) 1960-06-23 1960-06-23 Improvements made to magnetic heads for recorders, and their manufacturing processes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR830848A FR1272521A (en) 1960-06-23 1960-06-23 Improvements made to magnetic heads for recorders, and their manufacturing processes

Publications (1)

Publication Number Publication Date
FR1272521A true FR1272521A (en) 1961-09-29

Family

ID=8734013

Family Applications (1)

Application Number Title Priority Date Filing Date
FR830848A Expired FR1272521A (en) 1960-06-23 1960-06-23 Improvements made to magnetic heads for recorders, and their manufacturing processes

Country Status (1)

Country Link
FR (1) FR1272521A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2508216A1 (en) * 1981-06-19 1982-12-24 Thomson Csf MAGNETIC HEAD FOR WRITING, READING AND ERASING ON A NARROW MAGNETIC TRACK, AND METHOD OF MANUFACTURING THE MAGNETIC HEAD, SIMPLE OR MULTIPISTE
FR2622336A1 (en) * 1987-10-27 1989-04-28 Europ Composants Electron Magnetic reading and recording head
US5072135A (en) * 1989-07-18 1991-12-10 Thomson-Csf Power laser pulse generator
US5404260A (en) * 1987-10-27 1995-04-04 Thomson-Csf Magnetic recording/playback head

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2508216A1 (en) * 1981-06-19 1982-12-24 Thomson Csf MAGNETIC HEAD FOR WRITING, READING AND ERASING ON A NARROW MAGNETIC TRACK, AND METHOD OF MANUFACTURING THE MAGNETIC HEAD, SIMPLE OR MULTIPISTE
EP0068995A1 (en) * 1981-06-19 1983-01-05 Thomson-Csf Magnetic head to write, reproduce or erase on a narrow magnetic track, and process for producing this single or multitrack magnetic head
FR2622336A1 (en) * 1987-10-27 1989-04-28 Europ Composants Electron Magnetic reading and recording head
US5404260A (en) * 1987-10-27 1995-04-04 Thomson-Csf Magnetic recording/playback head
US5072135A (en) * 1989-07-18 1991-12-10 Thomson-Csf Power laser pulse generator

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