KR930018477A - 자기 기록 매체용 유리 기판 - Google Patents

자기 기록 매체용 유리 기판 Download PDF

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Publication number
KR930018477A
KR930018477A KR1019930001653A KR930001653A KR930018477A KR 930018477 A KR930018477 A KR 930018477A KR 1019930001653 A KR1019930001653 A KR 1019930001653A KR 930001653 A KR930001653 A KR 930001653A KR 930018477 A KR930018477 A KR 930018477A
Authority
KR
South Korea
Prior art keywords
glass substrate
substrate
magnetic recording
particles
nanometers
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.)
Withdrawn
Application number
KR1019930001653A
Other languages
English (en)
Korean (ko)
Inventor
반 데르 슬루이스-반 데르 보르트 엘리자베스
마르티누스 테오도루스 파울루스 반 데르 푸텐 안드레아스
브람브링 죄르그
Original Assignee
에프. 제이. 스미트
필립스 일렉트로닉스 엔. 브이.
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 에프. 제이. 스미트, 필립스 일렉트로닉스 엔. 브이. filed Critical 에프. 제이. 스미트
Publication of KR930018477A publication Critical patent/KR930018477A/ko
Withdrawn legal-status Critical Current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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73911—Inorganic substrates
    • G11B5/73921—Glass or ceramic substrates
    • 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73911—Inorganic substrates
    • G11B5/73913—Composites or coated substrates
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
  • Surface Treatment Of Glass (AREA)
KR1019930001653A 1992-02-11 1993-02-08 자기 기록 매체용 유리 기판 Withdrawn KR930018477A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US92200380.1 1992-02-11
EP92200380 1992-02-11
EP92203254 1992-10-22
US92203254.5 1992-10-22

Publications (1)

Publication Number Publication Date
KR930018477A true KR930018477A (ko) 1993-09-22

Family

ID=26131269

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930001653A Withdrawn KR930018477A (ko) 1992-02-11 1993-02-08 자기 기록 매체용 유리 기판

Country Status (4)

Country Link
EP (1) EP0555906A1 (https=)
JP (1) JPH05258293A (https=)
KR (1) KR930018477A (https=)
TW (1) TW253965B (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002091368A1 (en) * 2001-05-08 2002-11-14 Fujitsu Limited Method for manufacturing magnetic recording medium
JP5681580B2 (ja) * 2011-07-08 2015-03-11 株式会社神戸製鋼所 磁気記録媒体用アルミニウム基板の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6142724A (ja) * 1984-08-03 1986-03-01 Tdk Corp 磁気記録媒体および磁気記録方法

Also Published As

Publication number Publication date
EP0555906A1 (en) 1993-08-18
TW253965B (https=) 1995-08-11
JPH05258293A (ja) 1993-10-08

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