KR860007631A - Composite magnetic head and its manufacturing method - Google Patents

Composite magnetic head and its manufacturing method

Info

Publication number
KR860007631A
KR860007631A KR1019850007893A KR850007893A KR860007631A KR 860007631 A KR860007631 A KR 860007631A KR 1019850007893 A KR1019850007893 A KR 1019850007893A KR 850007893 A KR850007893 A KR 850007893A KR 860007631 A KR860007631 A KR 860007631A
Authority
KR
South Korea
Prior art keywords
manufacturing
magnetic head
composite magnetic
composite
head
Prior art date
Application number
KR1019850007893A
Other languages
Korean (ko)
Other versions
KR900000627B1 (en
Inventor
아쓰시 이바라끼
데쓰야 이와다
Original Assignee
알프스 덴기 가부시기가이샤
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
Priority claimed from JP60057746A external-priority patent/JPS61216106A/en
Priority claimed from JP60060332A external-priority patent/JPS61217919A/en
Priority claimed from JP60061172A external-priority patent/JPS61220110A/en
Priority claimed from JP60077928A external-priority patent/JPS61237213A/en
Application filed by 알프스 덴기 가부시기가이샤 filed Critical 알프스 덴기 가부시기가이샤
Publication of KR860007631A publication Critical patent/KR860007631A/en
Application granted granted Critical
Publication of KR900000627B1 publication Critical patent/KR900000627B1/en

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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • G11B5/2651—Manufacture
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
KR1019850007893A 1985-03-22 1985-10-25 Complex type magnetic head and method of its producing KR900000627B1 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP60057746A JPS61216106A (en) 1985-03-22 1985-03-22 Composite magnetic head and its production
JP57746 1985-03-22
JP60060332A JPS61217919A (en) 1985-03-25 1985-03-25 Back bar joint structure of composite type magnetic head
JP60332 1985-03-25
JP60061172A JPS61220110A (en) 1985-03-26 1985-03-26 Junction structure of composite magnetic head
JP61172 1985-03-26
JP77928 1985-04-12
JP60077928A JPS61237213A (en) 1985-04-12 1985-04-12 Composite type magnetic head

Publications (2)

Publication Number Publication Date
KR860007631A true KR860007631A (en) 1986-10-15
KR900000627B1 KR900000627B1 (en) 1990-02-01

Family

ID=27463552

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850007893A KR900000627B1 (en) 1985-03-22 1985-10-25 Complex type magnetic head and method of its producing

Country Status (3)

Country Link
KR (1) KR900000627B1 (en)
DE (1) DE3609694A1 (en)
GB (1) GB2173937B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1325239A (en) * 1970-08-28 1973-08-01 Ampex Magnetic head and method of manufacture thereof
GB1376652A (en) * 1972-01-04 1974-12-11 Int Computers Ltd Magnetic transducers and to methods of manufacture thereof
US4110804A (en) * 1977-07-21 1978-08-29 International Business Machines Corporation Read/write and tunnel erase magnetic head assembly
US4611259A (en) * 1983-02-08 1986-09-09 Ampex Corporation Magnetic transducer structure having reduced track width and a method of manufacturing thereof
DE3583619D1 (en) * 1984-01-14 1991-09-05 Ngk Insulators Ltd MAGNETIC HEAD CORE AND PRODUCTION METHOD.
GB2154359A (en) * 1984-02-17 1985-09-04 Hitachi Metals Ltd Magnetic head

Also Published As

Publication number Publication date
GB8606924D0 (en) 1986-04-23
GB2173937A (en) 1986-10-22
DE3609694C2 (en) 1991-08-01
DE3609694A1 (en) 1986-09-25
GB2173937B (en) 1989-06-28
KR900000627B1 (en) 1990-02-01

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19941228

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee