KR920003267A - 자기기록매체의 제조방법 - Google Patents

자기기록매체의 제조방법 Download PDF

Info

Publication number
KR920003267A
KR920003267A KR1019910012767A KR910012767A KR920003267A KR 920003267 A KR920003267 A KR 920003267A KR 1019910012767 A KR1019910012767 A KR 1019910012767A KR 910012767 A KR910012767 A KR 910012767A KR 920003267 A KR920003267 A KR 920003267A
Authority
KR
South Korea
Prior art keywords
magnetic layer
recording medium
magnetic
manufacturing
magnetic recording
Prior art date
Application number
KR1019910012767A
Other languages
English (en)
Other versions
KR960013372B1 (ko
Inventor
타쯔아끼 이시다
류지 스기타
키요카즈 토우마
카즈요시 혼다
야수히로 가와와께
요시끼 고또
Original Assignee
다니이 아끼오
마쯔시다덴기산교 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
Application filed by 다니이 아끼오, 마쯔시다덴기산교 가부시기가이샤 filed Critical 다니이 아끼오
Publication of KR920003267A publication Critical patent/KR920003267A/ko
Application granted granted Critical
Publication of KR960013372B1 publication Critical patent/KR960013372B1/ko

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/64Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/66Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • G11B5/672Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having different compositions in a plurality of magnetic layers, e.g. layer compositions having differing elemental components or differing proportions of elements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/64Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/66Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • G11B5/674Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having differing macroscopic or microscopic structures, e.g. differing crystalline lattices, varying atomic structures or differing roughnesses
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84Processes or apparatus specially adapted for manufacturing record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/85Coating a support with a magnetic layer by vapour deposition
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/90Magnetic feature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

내용 없음

Description

자기기록매체의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명의 제조방법에 의해 제작되는 자기기록매체의 구성의 일례를 도시한 단면도.
제 2 도는 본 실시예 1에 있어서 사용한 연속증착장치의 개략도.
제 3 도는 본 실시예 2에 있어서 사용한 연속증착장치의 개략도.

Claims (7)

  1. 진공용기내에서 기판위에 제1의 자성층 및 그위에 제2의 자성층을 형성하는 과정에 있어서, 제1의 자성층 형성후 그 표면에 가속된 이온을 조사한 후에 제2의 자성층을 형성하는 것을 특징으로 하는 자기기록매체의 제조방법.
  2. 제 1 항에 있어서, 상기 제1의 자성층이, 복수의 자성층에 의해 구성되는 것을 특징으로 하는 자기기록매체의 제조방법.
  3. 제 1 항에 있어서, 상기 제1의 자성층 및 제2의 자성층이 진공증착법에 의해 형성되는 것을 특징으로 하는 자기기록매체의 제조방법.
  4. 제 1 항에 있어서, 상기 제1의 자성층 및 제2의 자성층의 적어도 한쪽을 Co 기(基)의 자성막으로 하는 것을 특징으로 하는 자기기록매체의 제조방법.
  5. 제 4 항에 있어서, 진공용기내에서 고분자재료로 이루어진 기판의 표면에 가속된 이온을 조사한 후에, 상기 제1의 자성층으로서 Co와 Cr을 주성분으로하는 자성층을 형성하는 것을 특징으로 하는 자기기록매체의 제조방법.
  6. 제 4 항에 있어서, 상기 제1의 자성층 및 제2의 자성층의 자화용이한 축을 상기 기판면의 법선에 대해서 경사지게 하는 것을 특징으로 하는 자기기록매체의 제조방법.
  7. 제 4 항에 있어서, 상기 제1의 자성층에 적어도 Co와 Cr을 함유하고, 상기 제2의 자성층에 적어도 Co와 O를 함유하는 것을 특징으로 하는 자기기록매체의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910012767A 1990-07-25 1991-07-25 자기기록매체의 제조방법 KR960013372B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2197325A JPH0834001B2 (ja) 1990-07-25 1990-07-25 磁気記録媒体の製造方法
JP90-197325 1990-07-25
JP2-197325 1990-07-25

Publications (2)

Publication Number Publication Date
KR920003267A true KR920003267A (ko) 1992-02-29
KR960013372B1 KR960013372B1 (ko) 1996-10-04

Family

ID=16372588

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910012767A KR960013372B1 (ko) 1990-07-25 1991-07-25 자기기록매체의 제조방법

Country Status (4)

Country Link
EP (1) EP0468488B1 (ko)
JP (1) JPH0834001B2 (ko)
KR (1) KR960013372B1 (ko)
DE (1) DE69123299T2 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05342553A (ja) * 1992-06-05 1993-12-24 Matsushita Electric Ind Co Ltd 磁気記録媒体及びその製造方法
JPH0853763A (ja) * 1994-06-06 1996-02-27 Matsushita Electric Ind Co Ltd 薄膜の製造方法
JP3173549B2 (ja) * 1994-06-17 2001-06-04 松下電器産業株式会社 磁気記録媒体の製造方法
US5731068A (en) * 1995-02-24 1998-03-24 Kao Corporation Magnetic recording medium
MY143286A (en) 1996-05-21 2011-04-15 Panasonic Corp Thin film, method and apparatus for forming the same, and electronic component incorporating the same
US20050092253A1 (en) 2003-11-04 2005-05-05 Venkat Selvamanickam Tape-manufacturing system having extended operational capabilites
WO2011122274A1 (ja) 2010-03-30 2011-10-06 ウシオ電機株式会社 高圧放電ランプ点灯装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5712424A (en) * 1980-06-26 1982-01-22 Toshiba Corp Production of magnetic recorder
JPS59107429A (ja) * 1982-12-09 1984-06-21 Sony Corp 磁気記録媒体の製造装置
JPS60117413A (ja) * 1983-11-29 1985-06-24 Tdk Corp 磁気記録媒体の製造方法
JPS6124025A (ja) * 1984-07-12 1986-02-01 Hitachi Maxell Ltd 磁気記録媒体の製造方法
JPS6453346A (en) * 1987-08-24 1989-03-01 Matsushita Electric Ind Co Ltd Production of magnetic recording medium

Also Published As

Publication number Publication date
JPH0489627A (ja) 1992-03-23
DE69123299D1 (de) 1997-01-09
JPH0834001B2 (ja) 1996-03-29
EP0468488A1 (en) 1992-01-29
KR960013372B1 (ko) 1996-10-04
DE69123299T2 (de) 1997-06-19
EP0468488B1 (en) 1996-11-27

Similar Documents

Publication Publication Date Title
JPS5798133A (en) Magnetic recording medium
KR920003267A (ko) 자기기록매체의 제조방법
KR940006085A (ko) 자기기록매체 및 그 제조방법
EP0504416A4 (en) Polyester film for magnetic recording media
KR860003590A (ko) 자기 기록 매체 및 그 제조법
KR940012262A (ko) 자기기록매체 및 그 제조방법
KR880003287A (ko) 자기 기록 매체 및 그 제조 방법
KR850001597A (ko) 자기기록매체
KR910005240A (ko) 자기 기록매체 및 그 제조방법
KR850005665A (ko) 자기 기록 매체
KR850006100A (ko) 자기 기록매체 및 그 제조방법
KR860004392A (ko) 수직자기기록 매체 및 그 제조방법
JPS57113416A (en) Vertical magnetic recording medium
JPS647325A (en) Production of magnetic recording medium
KR860003587A (ko) 자기 기록매체 및 그의 제조방법
KR840008868A (ko) 도금된 자기기록 물질과 그 제조공정
KR860003586A (ko) 자기 테이프
KR870009347A (ko) 자기기록매체
JPS57198535A (en) Magnetic recording medium
KR870004416A (ko) 자기기록매체
JPS6476420A (en) Magnetic recording medium
KR910003590A (ko) 자기기록 매체의 제조방법
KR910003592A (ko) 복합자화형 자기테이프의 제조방법
KR920005075A (ko) 오디오 마그네틱 테이프 제조방법
KR920003264A (ko) 자기 기록매체의 제조방법

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
AMND Amendment
E601 Decision to refuse application
J2X1 Appeal (before the patent court)

Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL

G160 Decision to publish patent application
B701 Decision to grant
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20060925

Year of fee payment: 11

LAPS Lapse due to unpaid annual fee