GB1376652A - Magnetic transducers and to methods of manufacture thereof - Google Patents

Magnetic transducers and to methods of manufacture thereof

Info

Publication number
GB1376652A
GB1376652A GB25572A GB25572A GB1376652A GB 1376652 A GB1376652 A GB 1376652A GB 25572 A GB25572 A GB 25572A GB 25572 A GB25572 A GB 25572A GB 1376652 A GB1376652 A GB 1376652A
Authority
GB
United Kingdom
Prior art keywords
gap
core
manufacture
methods
gaps
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
GB25572A
Other languages
English (en)
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.)
Fujitsu Services Ltd
Original Assignee
Fujitsu Services 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 Fujitsu Services Ltd filed Critical Fujitsu Services Ltd
Priority to GB25572A priority Critical patent/GB1376652A/en
Priority to AU50494/72A priority patent/AU469246B2/en
Priority to FR7300271A priority patent/FR2167698B3/fr
Publication of GB1376652A publication Critical patent/GB1376652A/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
    • G11B5/1871—Shaping or contouring of the transducing or guiding surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
GB25572A 1972-01-04 1972-01-04 Magnetic transducers and to methods of manufacture thereof Expired GB1376652A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB25572A GB1376652A (en) 1972-01-04 1972-01-04 Magnetic transducers and to methods of manufacture thereof
AU50494/72A AU469246B2 (en) 1972-01-04 1972-12-22 Improvements in or relating to magnetic transducers and to methods of manufacture thereof
FR7300271A FR2167698B3 (enExample) 1972-01-04 1973-01-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25572A GB1376652A (en) 1972-01-04 1972-01-04 Magnetic transducers and to methods of manufacture thereof

Publications (1)

Publication Number Publication Date
GB1376652A true GB1376652A (en) 1974-12-11

Family

ID=9701156

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25572A Expired GB1376652A (en) 1972-01-04 1972-01-04 Magnetic transducers and to methods of manufacture thereof

Country Status (3)

Country Link
AU (1) AU469246B2 (enExample)
FR (1) FR2167698B3 (enExample)
GB (1) GB1376652A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173937A (en) * 1985-03-22 1986-10-22 Alps Electric Co Ltd Composite magnetic head and manufacture thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3779641T2 (de) * 1987-09-22 1993-02-04 Ibm Deutschland Form einer gleitschuhschiene und ihr mechanisches herstellungsverfahren.
JPH05234014A (ja) * 1992-02-20 1993-09-10 Ngk Insulators Ltd 磁気ヘッド用コアの製造法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173937A (en) * 1985-03-22 1986-10-22 Alps Electric Co Ltd Composite magnetic head and manufacture thereof
GB2173937B (en) * 1985-03-22 1989-06-28 Alps Electric Co Ltd Composite type magnetic head & manufacture of same

Also Published As

Publication number Publication date
AU5049472A (en) 1974-06-27
AU469246B2 (en) 1974-06-27
FR2167698B3 (enExample) 1976-01-09
FR2167698A1 (enExample) 1973-08-24

Similar Documents

Publication Publication Date Title
GB1422509A (en) Magnetic transducer assembly
CA1019561A (en) Production of finely divided acicular magnetic iron oxides
GB1227061A (enExample)
GB1339415A (en) Magnetic head and method of manufacture thereof
GB1376652A (en) Magnetic transducers and to methods of manufacture thereof
GB1139737A (en) Making multitrack magnetic transducer
GB1450443A (en) Magnetic transducer head assembly
GB1376100A (en) Magnetic recording heads
GB1036001A (en) Electromagnetic transducer head
GB697208A (en) Improvements in or relating to transducing heads for magnetic sound recording or reproducing apparatus
GB1385946A (en) Methods of manufacturing magnetic transducing heads
GB827335A (en) Improvements in magnetic recording and reproducing heads
GB893805A (en) Improvements in or relating to multiple magnetic heads
GB775050A (en) Improvements in or relating to methods of recording signals
GB746537A (en) Improvements in or relating to magnetic transducer heads
GB1158447A (en) Method of Manufacturing Magnetic Heads
CA982419A (en) Production of rigid magnetic recording media
GB1073597A (en) Improvements in and relating to methods of manufacturing multiple magnetic recording, playback and/or erasing heads
CA861734A (en) Magnetic head transducer having a pair of separate spaced nonmagnetic gaps
GB933762A (en) Improvements in or relating to magnetic recording media
GB1016639A (en) Improvements in or relating to methods of manufacturing cores for magnetic recording and/or play-back heads and to cores manufactured by these methods
GB996957A (en) Improvements in or relating to methods of manufacturing magnetic recording and playback heads having narrow gaps
GB1397527A (en) Combined magnetic head for recording and playback
GB1093605A (en) Transducer head and transducer apparatus incorporating such a head
CA782163A (en) Multitrack magnetic transducer head and a method of making it

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee