FR1363031A - Ferrite magnetic head and its manufacturing process - Google Patents

Ferrite magnetic head and its manufacturing process

Info

Publication number
FR1363031A
FR1363031A FR941544A FR941544A FR1363031A FR 1363031 A FR1363031 A FR 1363031A FR 941544 A FR941544 A FR 941544A FR 941544 A FR941544 A FR 941544A FR 1363031 A FR1363031 A FR 1363031A
Authority
FR
France
Prior art keywords
manufacturing process
magnetic head
ferrite magnetic
ferrite
head
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
FR941544A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Priority to FR941544A priority Critical patent/FR1363031A/en
Application granted granted Critical
Publication of FR1363031A publication Critical patent/FR1363031A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/187Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/23Gap features
    • G11B5/232Manufacture of gap
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/133Structure 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/187Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR941544A 1962-07-19 1963-07-16 Ferrite magnetic head and its manufacturing process Expired FR1363031A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR941544A FR1363031A (en) 1962-07-19 1963-07-16 Ferrite magnetic head and its manufacturing process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21001662A 1962-07-19 1962-07-19
FR941544A FR1363031A (en) 1962-07-19 1963-07-16 Ferrite magnetic head and its manufacturing process

Publications (1)

Publication Number Publication Date
FR1363031A true FR1363031A (en) 1964-06-05

Family

ID=26202397

Family Applications (1)

Application Number Title Priority Date Filing Date
FR941544A Expired FR1363031A (en) 1962-07-19 1963-07-16 Ferrite magnetic head and its manufacturing process

Country Status (1)

Country Link
FR (1) FR1363031A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0346945A2 (en) * 1983-02-08 1989-12-20 Ampex Corporation Apparatus for filling a notched workpiece

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0346945A2 (en) * 1983-02-08 1989-12-20 Ampex Corporation Apparatus for filling a notched workpiece
EP0346945A3 (en) * 1983-02-08 1990-04-11 Ampex Corporation Apparatus for filling a notched workpiece

Similar Documents

Publication Publication Date Title
FR1319830A (en) Magnetic transducer head and its manufacturing process
FR1386808A (en) Catheter and its manufacturing process
FR1363031A (en) Ferrite magnetic head and its manufacturing process
FR1315603A (en) Magnetic core and its manufacturing process
FR1296188A (en) Multiple magnetic head and its manufacturing process
FR1353490A (en) Magnetic plate and its manufacturing process
FR1382406A (en) Annular magnetic core and its manufacturing process
FR1406185A (en) Controlled rectifier and its manufacturing process
FR1377699A (en) Ferrite manufacturing process
FR1279668A (en) Electromagnetic valve and its manufacturing process
FR1393852A (en) Tape recorder head core and its manufacturing process
FR1237355A (en) Magnetic ink and its manufacturing process
FR1319245A (en) New plywood and its manufacturing process
FR1347181A (en) New packaging-display and its manufacturing process
CH424262A (en) Manufacturing process of modified synthetic linear polycarboxylamides
OA00765A (en) Annular magnetic core and its manufacturing process.
FR1390622A (en) Annular magnetic core and its manufacturing process
FR1384496A (en) Annular magnetic core and its manufacturing process
BE614122A (en) Magnetic core and its manufacturing process.
FR1340438A (en) Tape recorder head and its manufacturing process
FR1432037A (en) Annular magnetic core and its manufacturing process
FR1357640A (en) Induction coil and its manufacturing process
FR1301678A (en) Tape recorder head and its manufacturing process
FR1338461A (en) Box and its manufacturing process
FR1318491A (en) Magnetic heads manufacturing process