KR100803213B1 - 패턴된 자기기록매체 및 그 제조방법 - Google Patents
패턴된 자기기록매체 및 그 제조방법 Download PDFInfo
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- KR100803213B1 KR100803213B1 KR1020060058095A KR20060058095A KR100803213B1 KR 100803213 B1 KR100803213 B1 KR 100803213B1 KR 1020060058095 A KR1020060058095 A KR 1020060058095A KR 20060058095 A KR20060058095 A KR 20060058095A KR 100803213 B1 KR100803213 B1 KR 100803213B1
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- Prior art keywords
- nanowires
- patterned
- recording medium
- magnetic
- magnetic recording
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 106
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000002070 nanowire Substances 0.000 claims abstract description 105
- 238000000034 method Methods 0.000 claims abstract description 35
- 239000000956 alloy Substances 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 238000000231 atomic layer deposition Methods 0.000 claims description 5
- 239000002041 carbon nanotube Substances 0.000 claims description 5
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 5
- 239000002620 silicon nanotube Substances 0.000 claims description 5
- 229910021430 silicon nanotube Inorganic materials 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 238000005229 chemical vapour deposition Methods 0.000 claims description 3
- 238000004544 sputter deposition Methods 0.000 claims description 2
- 238000000992 sputter etching Methods 0.000 claims description 2
- 238000009966 trimming Methods 0.000 claims description 2
- 230000005381 magnetic domain Effects 0.000 abstract description 11
- 238000005530 etching Methods 0.000 abstract description 4
- 238000000059 patterning Methods 0.000 abstract description 3
- 239000000696 magnetic material Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910018979 CoPt Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- 229910005335 FePt Inorganic materials 0.000 description 1
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010952 cobalt-chrome Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000000025 interference lithography Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- 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
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/642—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent self supporting magnetic material, e.g. magnetisable wires
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete tracks
-
- 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
-
- 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
- G11B5/855—Coating only part of a support with a magnetic layer
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
Description
Claims (17)
- 플레이트;상기 플레이트 위에 수직으로 형성된 다수의 나노 와이어;상기 나노 와이어 위에 형성되며, 상기 나노 와이어에 의해 단차되어 패터닝된 자성층;을 포함하는 것을 특징으로 하는 패턴된 자기기록매체.
- 제1항에 있어서,상기 플레이트와 상기 나노 와이어 사이에는 버퍼층이 개재되어 있는 것을 특징으로 하는 패턴된 자기기록매체.
- 제2항에 있어서,상기 버퍼층은 트랙을 따라 패터닝되어, 상기 나노 와이어가 상기 패턴된 트랙을 따라 형성된 것을 특징으로 하는 패턴된 자기기록매체.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 나노 와이어의 선단부는 평탄화된 것을 특징으로 하는 패턴된 자기기록매체.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 자성층을 보호하는 것으로 상기 자성층 위에 형성되는 캡핑층이 더 포함되는 것을 특징으로 하는 패턴된 자기기록매체.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 자성층의 도메인 크기는 상기 나노 와이어의 크기에 의해 조절되는 것을 특징으로 하는 패턴된 자기기록매체.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 나노 와이어는 ZnO 나노 와이어 , 탄소 나노 튜브, 및 실리콘 나노 튜브 중 어느 하나인 것을 특징으로 하는 패턴된 자기기록매체.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 자성층은 Fe, Co의 자성원소들과 Pt, Cr의 비자성원소들간의 합금으로 이루어진 군에서 선택되는 어느 하나로 이루어진 것을 특징으로 하는 패턴된 자기기록매체.
- 플레이트에 다수의 나노 와이어를 수직으로 형성하는 단계;상기 나노 와이어에 의해 단차된 형상으로 자성층을 형성하는 단계;를 포함하는 것을 특징으로 하는 패턴된 자기기록매체의 제조 방법.
- 제9항에 있어서, 상기 나노 와이어를 수직으로 형성하는 단계는,상기 플레이트의 상면에 버퍼층을 형성하는 단계;상기 버퍼층의 상면에 패터닝된 트렌치를 형성하는 단계;상기 트렌치 내에 다수의 나노 와이어를 수직으로 성장시키는 단계; 및상기 트렌치 이외의 영역에 성장된 나노 와이어를 제거하는 단계;를 포함하는 것을 특징으로 하는 패터닝된 자기기록매체의 제조 방법.
- 제10항에 있어서,상기 버퍼층은 실리콘으로 이루어진 것을 특징으로 하는 패턴된 자기기록매체의 제조 방법.
- 제9항 내지 제11항 중 어느 한 항에 있어서, 상기 나노 와이어를 수직으로 형성하는 단계는,상기 나노 와이어가 성장된 후, 상기 나노 와이어의 선단부를 평탄하게 하는 단계를 더 포함하는 것을 특징으로 하는 패턴된 자기기록매체의 제조 방법.
- 제12항에 있어서,상기 나노 와이어는 이오 밀링법 또는 레이저를 이용한 트리밍법으로 평탄화하는 것을 특징으로 하는 패턴된 자기기록매체의 제조 방법.
- 제9항 내지 제11항 중 어느 한 항에 있어서,상기 나노 와이어는 ZnO 나노 와이어, 탄소 나노 튜브, 및 실리콘 나노 튜브 중 어느 하나인 것을 특징으로 하는 패턴된 자기기록매체의 제조 방법.
- 제9항 내지 제11항 중 어느 한 항에 있어서,상기 나노 와이어는 원자층증착법(ALD) 또는 개선된 플라즈마 화학기상증착법(PECVD)에 의해 성장하는 것을 특징으로 하는 패턴된 자기기록매체의 제조 방법.
- 제9항 내지 제11항 중 어느 한 항에 있어서,상기 자성층은 Fe, Co의 자성원소들과 Pt, Cr의 비자성원소들간의 합금으로 이루어진 군에서 선택되는 어느 하나로 이루어진 것을 특징으로 하는 패턴된 자기기록매체의 제조 방법.
- 제9항 내지 제11항 중 어느 한 항에 있어서,상기 자성층은 스퍼터링법, 분자 빔 증착법 및 화학기상증착법 중 선택된 어느 한 가지 방법에 의해 형성되는 것을 특징으로 하는 패턴된 자기기록매체의 제조 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060058095A KR100803213B1 (ko) | 2006-06-27 | 2006-06-27 | 패턴된 자기기록매체 및 그 제조방법 |
US11/700,077 US20070297091A1 (en) | 2006-06-27 | 2007-01-31 | Patterned magnetic recording medium and method of manufacturing the same |
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KR1020060058095A KR100803213B1 (ko) | 2006-06-27 | 2006-06-27 | 패턴된 자기기록매체 및 그 제조방법 |
Publications (2)
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KR20080000356A KR20080000356A (ko) | 2008-01-02 |
KR100803213B1 true KR100803213B1 (ko) | 2008-02-14 |
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KR1020060058095A KR100803213B1 (ko) | 2006-06-27 | 2006-06-27 | 패턴된 자기기록매체 및 그 제조방법 |
Country Status (2)
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US (1) | US20070297091A1 (ko) |
KR (1) | KR100803213B1 (ko) |
Families Citing this family (1)
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US7780431B2 (en) * | 2006-09-14 | 2010-08-24 | Hewlett-Packard Development Company, L.P. | Nanoimprint molds and methods of forming the same |
Citations (1)
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JP2005052956A (ja) * | 2003-08-07 | 2005-03-03 | Canon Inc | ナノ構造体、及びその製造方法 |
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AU2003221347A1 (en) * | 2002-03-15 | 2003-09-29 | Canon Kabushiki Kaisha | Functional device and method of manufacturing the device, vertical magnetic recording medium, magnetic recording and reproducing device, and information processing device |
JP3680035B2 (ja) * | 2002-03-29 | 2005-08-10 | 株式会社東芝 | 磁気記録装置及び磁気記録方法 |
GB0313259D0 (en) * | 2003-06-09 | 2003-07-16 | Consejo Superior Investigacion | Magnetic nanoparticles |
EP1730751B1 (en) * | 2004-03-12 | 2009-10-21 | The Provost, Fellows And Scholars Of The College Of The Holy And Undivided Trinity Of Queen Elizabeth Near Dublin | A magnetoresistive medium |
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2006
- 2006-06-27 KR KR1020060058095A patent/KR100803213B1/ko not_active IP Right Cessation
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2007
- 2007-01-31 US US11/700,077 patent/US20070297091A1/en not_active Abandoned
Patent Citations (1)
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JP2005052956A (ja) * | 2003-08-07 | 2005-03-03 | Canon Inc | ナノ構造体、及びその製造方法 |
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Publication number | Publication date |
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KR20080000356A (ko) | 2008-01-02 |
US20070297091A1 (en) | 2007-12-27 |
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