GB2170640B - Magnetic head and method of manufacture - Google Patents

Magnetic head and method of manufacture

Info

Publication number
GB2170640B
GB2170640B GB8502397A GB8502397A GB2170640B GB 2170640 B GB2170640 B GB 2170640B GB 8502397 A GB8502397 A GB 8502397A GB 8502397 A GB8502397 A GB 8502397A GB 2170640 B GB2170640 B GB 2170640B
Authority
GB
United Kingdom
Prior art keywords
manufacture
magnetic head
magnetic
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
GB8502397A
Other versions
GB2170640A (en
GB8502397D0 (en
Inventor
Tsunehiro Tsukagoshi
Kazuhiko Sato
Satoshi Miyaguchi
Yutaka Takasu
Akira Yokoi
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to GB8502397A priority Critical patent/GB2170640B/en
Priority to DE19853503286 priority patent/DE3503286A1/en
Publication of GB8502397D0 publication Critical patent/GB8502397D0/en
Publication of GB2170640A publication Critical patent/GB2170640A/en
Application granted granted Critical
Publication of GB2170640B publication Critical patent/GB2170640B/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
    • G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
    • G11B5/1475—Assembling or shaping of elements
    • 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
    • G11B5/21—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 of ferrous sheet metal or other magnetic layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
GB8502397A 1985-01-31 1985-01-31 Magnetic head and method of manufacture Expired GB2170640B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8502397A GB2170640B (en) 1985-01-31 1985-01-31 Magnetic head and method of manufacture
DE19853503286 DE3503286A1 (en) 1985-01-31 1985-01-31 MAGNETIC HEAD AND METHOD FOR THE PRODUCTION THEREOF

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8502397A GB2170640B (en) 1985-01-31 1985-01-31 Magnetic head and method of manufacture
DE19853503286 DE3503286A1 (en) 1985-01-31 1985-01-31 MAGNETIC HEAD AND METHOD FOR THE PRODUCTION THEREOF

Publications (3)

Publication Number Publication Date
GB8502397D0 GB8502397D0 (en) 1985-03-06
GB2170640A GB2170640A (en) 1986-08-06
GB2170640B true GB2170640B (en) 1989-10-25

Family

ID=25829027

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8502397A Expired GB2170640B (en) 1985-01-31 1985-01-31 Magnetic head and method of manufacture

Country Status (2)

Country Link
DE (1) DE3503286A1 (en)
GB (1) GB2170640B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04123302A (en) * 1990-09-13 1992-04-23 Minebea Co Ltd Magnetic head
DE19533131C2 (en) * 1995-09-07 2001-01-18 Siemens Ag Method and device for controlling an electromagnetic consumer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1591237A (en) * 1976-12-13 1981-06-17 Texas Instruments Inc Magnetic recording/reproducing head
EP0081239A2 (en) * 1981-12-09 1983-06-15 Matsushita Electric Industrial Co., Ltd. Magnetic head
GB2117552A (en) * 1982-01-28 1983-10-12 Victor Company Of Japan Magnetic head and method of making the same
EP0115842A1 (en) * 1983-02-04 1984-08-15 Hitachi, Ltd. Magnetic head and method of fabricating same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55117723A (en) * 1979-02-28 1980-09-10 Sony Corp Magnetic head
JPS55125519A (en) * 1979-03-23 1980-09-27 Hitachi Ltd Magnetic head
DE3318196A1 (en) * 1983-05-19 1984-11-22 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth Magnetic head and process for its production

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1591237A (en) * 1976-12-13 1981-06-17 Texas Instruments Inc Magnetic recording/reproducing head
EP0081239A2 (en) * 1981-12-09 1983-06-15 Matsushita Electric Industrial Co., Ltd. Magnetic head
GB2117552A (en) * 1982-01-28 1983-10-12 Victor Company Of Japan Magnetic head and method of making the same
EP0115842A1 (en) * 1983-02-04 1984-08-15 Hitachi, Ltd. Magnetic head and method of fabricating same

Also Published As

Publication number Publication date
GB2170640A (en) 1986-08-06
GB8502397D0 (en) 1985-03-06
DE3503286A1 (en) 1986-08-07

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Legal Events

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