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GB818400A - Improvements in or relating to magnetic heads - Google Patents

Improvements in or relating to magnetic heads

Info

Publication number
GB818400A
GB818400A GB1503757A GB1503757A GB818400A GB 818400 A GB818400 A GB 818400A GB 1503757 A GB1503757 A GB 1503757A GB 1503757 A GB1503757 A GB 1503757A GB 818400 A GB818400 A GB 818400A
Authority
GB
United Kingdom
Prior art keywords
heads
relating
copper
magnetic heads
spacer
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
GB1503757A
Inventor
Roy Meridyth Mogg
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries 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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to GB1503757A priority Critical patent/GB818400A/en
Publication of GB818400A publication Critical patent/GB818400A/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
    • 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
    • G11B5/40—Protective measures on heads, e.g. against excessive temperature 

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)

Abstract

818,400. Recording &c. heads &c. ELECTRIC & MUSICAL INDUSTRIES Ltd. May 6, 1958 [May 11, 1957], No. 15037/57. Drawings to Specification. Class 40 (2). An erasing head with a ferrite core has a copper or beryllium-copper gap spacer in good thermal contact with two metallic support plates. Since the core material is of relatively low thermal conductivity, eddy current heat in the spacer cannot readily escape through it, but according to the invention this heat can escape via the support members. The method of construction is also claimed for record/playback heads.
GB1503757A 1957-05-11 1957-05-11 Improvements in or relating to magnetic heads Expired GB818400A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1503757A GB818400A (en) 1957-05-11 1957-05-11 Improvements in or relating to magnetic heads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1503757A GB818400A (en) 1957-05-11 1957-05-11 Improvements in or relating to magnetic heads

Publications (1)

Publication Number Publication Date
GB818400A true GB818400A (en) 1959-08-19

Family

ID=10051937

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1503757A Expired GB818400A (en) 1957-05-11 1957-05-11 Improvements in or relating to magnetic heads

Country Status (1)

Country Link
GB (1) GB818400A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2471019A1 (en) * 1979-11-28 1981-06-12 Philips Nv INTEGRATED MAGNETIC HEAD AND METHOD FOR MAKING THE HEAD

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2471019A1 (en) * 1979-11-28 1981-06-12 Philips Nv INTEGRATED MAGNETIC HEAD AND METHOD FOR MAKING THE HEAD

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