GB1325239A - Magnetic head and method of manufacture thereof - Google Patents

Magnetic head and method of manufacture thereof

Info

Publication number
GB1325239A
GB1325239A GB3935771A GB3935771A GB1325239A GB 1325239 A GB1325239 A GB 1325239A GB 3935771 A GB3935771 A GB 3935771A GB 3935771 A GB3935771 A GB 3935771A GB 1325239 A GB1325239 A GB 1325239A
Authority
GB
United Kingdom
Prior art keywords
glass
blocks
spacer
magnetic
notches
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
GB3935771A
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.)
Ampex Corp
Original Assignee
Ampex 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 Ampex Corp filed Critical Ampex Corp
Publication of GB1325239A publication Critical patent/GB1325239A/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
    • G11B5/255—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for protection against wear

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
GB3935771A 1970-08-28 1971-08-23 Magnetic head and method of manufacture thereof Expired GB1325239A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6778470A 1970-08-28 1970-08-28

Publications (1)

Publication Number Publication Date
GB1325239A true GB1325239A (en) 1973-08-01

Family

ID=22078394

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3935771A Expired GB1325239A (en) 1970-08-28 1971-08-23 Magnetic head and method of manufacture thereof

Country Status (4)

Country Link
JP (1) JPS532042B1 (enExample)
BE (1) BE771858A (enExample)
FR (1) FR2106058A5 (enExample)
GB (1) GB1325239A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154359A (en) * 1984-02-17 1985-09-04 Hitachi Metals Ltd Magnetic head
DE3609694A1 (de) * 1985-03-22 1986-09-25 Alps Electric Co., Ltd., Tokio/Tokyo Zusammengesetzter magnetkopf und verfahren zu seiner herstellung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2154359A (en) * 1984-02-17 1985-09-04 Hitachi Metals Ltd Magnetic head
DE3609694A1 (de) * 1985-03-22 1986-09-25 Alps Electric Co., Ltd., Tokio/Tokyo Zusammengesetzter magnetkopf und verfahren zu seiner herstellung
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
FR2106058A5 (enExample) 1972-04-28
JPS532042B1 (enExample) 1978-01-25
BE771858A (fr) 1971-12-31

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years