KR900000031Y1 - 자기기록 매체 - Google Patents

자기기록 매체 Download PDF

Info

Publication number
KR900000031Y1
KR900000031Y1 KR2019860004995U KR860004995U KR900000031Y1 KR 900000031 Y1 KR900000031 Y1 KR 900000031Y1 KR 2019860004995 U KR2019860004995 U KR 2019860004995U KR 860004995 U KR860004995 U KR 860004995U KR 900000031 Y1 KR900000031 Y1 KR 900000031Y1
Authority
KR
South Korea
Prior art keywords
layer
magnetic
tape
thin film
metal thin
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
KR2019860004995U
Other languages
English (en)
Korean (ko)
Other versions
KR870017168U (ko
Inventor
여운성
Original Assignee
주식회사금성사
구자학
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 주식회사금성사, 구자학 filed Critical 주식회사금성사
Priority to KR2019860004995U priority Critical patent/KR900000031Y1/ko
Priority to JP1987056097U priority patent/JPS62190923U/ja
Publication of KR870017168U publication Critical patent/KR870017168U/ko
Application granted granted Critical
Publication of KR900000031Y1 publication Critical patent/KR900000031Y1/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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
    • G11B5/70605—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Magnetic Record Carriers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
KR2019860004995U 1986-04-15 1986-04-15 자기기록 매체 Expired KR900000031Y1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR2019860004995U KR900000031Y1 (ko) 1986-04-15 1986-04-15 자기기록 매체
JP1987056097U JPS62190923U (OSRAM) 1986-04-15 1987-04-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019860004995U KR900000031Y1 (ko) 1986-04-15 1986-04-15 자기기록 매체

Publications (2)

Publication Number Publication Date
KR870017168U KR870017168U (ko) 1987-11-30
KR900000031Y1 true KR900000031Y1 (ko) 1990-01-30

Family

ID=19250654

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860004995U Expired KR900000031Y1 (ko) 1986-04-15 1986-04-15 자기기록 매체

Country Status (2)

Country Link
JP (1) JPS62190923U (OSRAM)
KR (1) KR900000031Y1 (OSRAM)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5877026A (ja) * 1981-10-31 1983-05-10 Tdk Corp 磁気記録媒体

Also Published As

Publication number Publication date
JPS62190923U (OSRAM) 1987-12-04
KR870017168U (ko) 1987-11-30

Similar Documents

Publication Publication Date Title
US5136775A (en) Method of manufacturing a magnetic head having wear resisting films
US6122148A (en) Magnetic head slider and method of production thereof
KR930002393B1 (ko) 자기헤드
KR900000031Y1 (ko) 자기기록 매체
US5896253A (en) Magnetic head having a wear resistant layer substantially comprising Cr.sub. O3 and method of manufacturing such a magnetic head
JPH0656647B2 (ja) 磁気ヘツド
JPS63257904A (ja) 磁気ヘツドの製造方法
JPH0320812B2 (OSRAM)
US7570457B2 (en) Tape recording head with trench defining wear zone for constant rate of head wear
JP2628962B2 (ja) 磁気ヘッド及びそれを用いた磁気記録再生装置
JPH07101502B2 (ja) 磁気記録媒体
JPH01208711A (ja) 磁気ヘッドの製造方法
JPH0291813A (ja) 磁気記録媒体
JPH0240117A (ja) 磁気ヘッド
JPH05151754A (ja) 磁気デイスク装置
JPS58182119A (ja) 磁気ヘツド
JPS6057519A (ja) 薄膜磁気ヘツド
JPS58121120A (ja) 耐摩耗磁気ヘツド
JPH0573827A (ja) 磁気ヘツド及びその製造方法
JPH02297710A (ja) 薄膜磁気ヘッド及びその製造方法
JPS61107512A (ja) 薄膜磁気ヘツド
JPH07129916A (ja) 磁気ヘッド
JPH02192004A (ja) 磁気ヘッド
JPH06150252A (ja) 薄膜磁気ヘッド
JPS63275008A (ja) 磁気ヘッド

Legal Events

Date Code Title Description
A201 Request for examination
R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

UA0108 Application for utility model registration

St.27 status event code: A-0-1-A10-A12-nap-UA0108

UA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-UA0201

UG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-UG1501

UG1604 Publication of application

St.27 status event code: A-2-2-Q10-Q13-nap-UG1604

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

St.27 status event code: A-1-2-D10-D22-exm-UE0701

REGI Registration of establishment
UR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-UR0701

UR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-UR1002

Fee payment year number: 1

UR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-UR1001

Fee payment year number: 4

UR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-UR1001

Fee payment year number: 5

FPAY Annual fee payment

Payment date: 19931229

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee
UC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-UC1903

Not in force date: 19950131

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

UC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-UC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 19950131

UN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-UN2301

St.27 status event code: A-5-5-R10-R11-asn-UN2301

UN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-UN2301

St.27 status event code: A-5-5-R10-R11-asn-UN2301

UN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-UN2301

St.27 status event code: A-5-5-R10-R11-asn-UN2301

UN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-UN2301

St.27 status event code: A-5-5-R10-R11-asn-UN2301

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000