KR900003876Y1 - 자기 헤드 - Google Patents

자기 헤드 Download PDF

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Publication number
KR900003876Y1
KR900003876Y1 KR2019860002892U KR860002892U KR900003876Y1 KR 900003876 Y1 KR900003876 Y1 KR 900003876Y1 KR 2019860002892 U KR2019860002892 U KR 2019860002892U KR 860002892 U KR860002892 U KR 860002892U KR 900003876 Y1 KR900003876 Y1 KR 900003876Y1
Authority
KR
South Korea
Prior art keywords
shaped core
glass
magnetic head
core
gap
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
KR2019860002892U
Other languages
English (en)
Korean (ko)
Other versions
KR870004303U (ko
Inventor
모또 도시야 다께
Original Assignee
알프스 덴기 가부시기 가이샤
가다오까 가쓰다로오
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 알프스 덴기 가부시기 가이샤, 가다오까 가쓰다로오 filed Critical 알프스 덴기 가부시기 가이샤
Publication of KR870004303U publication Critical patent/KR870004303U/ko
Application granted granted Critical
Publication of KR900003876Y1 publication Critical patent/KR900003876Y1/ko
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
    • G11B5/23—Gap features
    • G11B5/232—Manufacture of gap
    • 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
    • G11B5/23—Gap features
    • G11B5/235—Selection of material for gap filler

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
KR2019860002892U 1985-08-02 1986-03-12 자기 헤드 Expired KR900003876Y1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1985119436U JPS6229611U (enrdf_load_stackoverflow) 1985-08-02 1985-08-02
JP119436(U) 1985-08-02

Publications (2)

Publication Number Publication Date
KR870004303U KR870004303U (ko) 1987-07-31
KR900003876Y1 true KR900003876Y1 (ko) 1990-05-03

Family

ID=31006808

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860002892U Expired KR900003876Y1 (ko) 1985-08-02 1986-03-12 자기 헤드

Country Status (2)

Country Link
JP (1) JPS6229611U (enrdf_load_stackoverflow)
KR (1) KR900003876Y1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6229611U (enrdf_load_stackoverflow) 1987-02-23
KR870004303U (ko) 1987-07-31

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Legal Events

Date Code Title Description
A201 Request for examination
UA0108 Application for utility model registration

Comment text: Application for Utility Model Registration

Patent event code: UA01011R08D

Patent event date: 19860312

UA0201 Request for examination

Patent event date: 19860312

Patent event code: UA02012R01D

Comment text: Request for Examination of Application

UG1501 Laying open of application
UG1604 Publication of application

Patent event code: UG16041S01I

Comment text: Decision on Publication of Application

Patent event date: 19900330

E701 Decision to grant or registration of patent right
UE0701 Decision of registration

Patent event date: 19900730

Comment text: Decision to Grant Registration

Patent event code: UE07011S01D

REGI Registration of establishment
UR0701 Registration of establishment

Patent event date: 19900924

Patent event code: UR07011E01D

Comment text: Registration of Establishment

UR1002 Payment of registration fee

Start annual number: 1

End annual number: 3

Payment date: 19900924

LAPS Lapse due to unpaid annual fee
UC1903 Unpaid annual fee

Termination date: 19941008

Termination category: Default of registration fee