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MY202846A - Two dimensional amorphous carbon as overcoat for heat assisted magnetic recording media - Google Patents

Two dimensional amorphous carbon as overcoat for heat assisted magnetic recording media

Info

Publication number
MY202846A
MY202846A MYPI2021002051A MYPI2021002051A MY202846A MY 202846 A MY202846 A MY 202846A MY PI2021002051 A MYPI2021002051 A MY PI2021002051A MY PI2021002051 A MYPI2021002051 A MY PI2021002051A MY 202846 A MY202846 A MY 202846A
Authority
MY
Malaysia
Prior art keywords
overcoat
amorphous carbon
magnetic recording
recording media
assisted magnetic
Prior art date
Application number
MYPI2021002051A
Inventor
Irfan Haider Abidi
Cagdas Cetin
Henrik Andersen
Darim Badur Ferry
Alexander Mayorov
Hongji Zhang
Chee-Tat Toh
Barbaros Oezyilmaz
Original Assignee
Nat Univ Singapore
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 US16/181,656 external-priority patent/US10984830B2/en
Application filed by Nat Univ Singapore filed Critical Nat Univ Singapore
Publication of MY202846A publication Critical patent/MY202846A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/15—Nano-sized carbon materials
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
    • C23C16/26—Deposition of carbon only
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
    • C23C16/48—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating by irradiation, e.g. photolysis, radiolysis, particle radiation
    • C23C16/483—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating by irradiation, e.g. photolysis, radiolysis, particle radiation using coherent light, UV to IR, e.g. lasers
    • 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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G11B5/727—Inorganic carbon protective coating, e.g. graphite, diamond like carbon or doped carbon
    • 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
    • G11B5/8408—Processes or apparatus specially adapted for manufacturing record carriers protecting the magnetic layer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Magnetic Record Carriers (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

A recording device (1110) comprising an overcoat layer (1116), wherein the overcoat layer (1116) comprises an amorphous carbon overcoat layer (102) having a crystallinity (C)=0.8.
MYPI2021002051A 2018-11-06 2019-07-30 Two dimensional amorphous carbon as overcoat for heat assisted magnetic recording media MY202846A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/181,656 US10984830B2 (en) 2017-02-24 2018-11-06 Two dimensional amorphous carbon as overcoat for heat assisted magnetic recording media
PCT/SG2019/050374 WO2020096522A1 (en) 2018-11-06 2019-07-30 Two dimensional amorphous carbon as overcoat for heat assisted magnetic recording media

Publications (1)

Publication Number Publication Date
MY202846A true MY202846A (en) 2024-05-24

Family

ID=70612194

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2021002051A MY202846A (en) 2018-11-06 2019-07-30 Two dimensional amorphous carbon as overcoat for heat assisted magnetic recording media

Country Status (4)

Country Link
JP (1) JP7270729B2 (en)
CN (1) CN113039602B (en)
MY (1) MY202846A (en)
WO (1) WO2020096522A1 (en)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5045165A (en) * 1990-02-01 1991-09-03 Komag, Inc. Method for sputtering a hydrogen-doped carbon protective film on a magnetic disk
US20080006819A1 (en) * 2006-06-19 2008-01-10 3M Innovative Properties Company Moisture barrier coatings for organic light emitting diode devices
US20130114165A1 (en) * 2011-11-07 2013-05-09 Hitachi Global Storage Technologies Netherlands B.V. FePt-C BASED MAGNETIC RECORDING MEDIA WITH ONION-LIKE CARBON PROTECTION LAYER
US8941950B2 (en) * 2012-05-23 2015-01-27 WD Media, LLC Underlayers for heat assisted magnetic recording (HAMR) media
US8559136B1 (en) * 2012-11-14 2013-10-15 HGST Netherlands B.V. Hard amorphous carbon film containing ultratrace hydrogen for magnetic recording media and magnetic heads
KR102360025B1 (en) * 2014-10-16 2022-02-08 삼성전자주식회사 Method for forming amorphous carbon monolayer and electronic device having the amorphous carbon monolayer
CN104928639B (en) * 2015-06-16 2017-10-10 广东工业大学 A kind of superpower tough carbon based surfaces protective coating and preparation method thereof
JP6485868B2 (en) * 2015-07-21 2019-03-20 昭和電工株式会社 Perpendicular magnetic recording medium and magnetic recording / reproducing apparatus
MY191207A (en) * 2015-07-29 2022-06-08 Nat Univ Singapore A method of protecting a magnetic layer of a magnetic recording medium
JP6941946B2 (en) * 2017-02-13 2021-09-29 日立造船株式会社 Manufacturing method of carbon nanotube high-density aggregate and carbon nanotube high-density aggregate
US10984830B2 (en) * 2017-02-24 2021-04-20 The National University Of Singapore Two dimensional amorphous carbon as overcoat for heat assisted magnetic recording media
JP7002850B2 (en) * 2017-03-22 2022-02-04 株式会社東芝 Graphene wiring structure manufacturing method, wiring structure manufacturing method

Also Published As

Publication number Publication date
CN113039602B (en) 2023-03-03
JP2022501304A (en) 2022-01-06
WO2020096522A1 (en) 2020-05-14
JP7270729B2 (en) 2023-05-10
CN113039602A (en) 2021-06-25

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