KR101738552B1 - 니어 필드 트랜스듀서 및 접착 층을 포함하는 디바이스들 - Google Patents
니어 필드 트랜스듀서 및 접착 층을 포함하는 디바이스들 Download PDFInfo
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- KR101738552B1 KR101738552B1 KR1020147032943A KR20147032943A KR101738552B1 KR 101738552 B1 KR101738552 B1 KR 101738552B1 KR 1020147032943 A KR1020147032943 A KR 1020147032943A KR 20147032943 A KR20147032943 A KR 20147032943A KR 101738552 B1 KR101738552 B1 KR 101738552B1
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- G11B13/08—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for using near-field interactions or transducing means and at least one other method or means for recording or reproducing
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- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
- G11B5/313—Disposition of layers
- G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure
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- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
- G11B5/313—Disposition of layers
- G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure
- G11B5/314—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure where the layers are extra layers normally not provided in the transducing structure, e.g. optical layers
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- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/4806—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
- G11B5/4866—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives the arm comprising an optical waveguide, e.g. for thermally-assisted recording
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- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
- G11B5/6088—Optical waveguide in or on flying head
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- 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
- G11B5/702—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 bonding agent
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
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- 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
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
- G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal
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Abstract
Description
도 2는 수직형 HAMR 자기 기록 헤드 및 연관된 기록 매체의 단면도이다.
도 3a, 3b, 및 3c는, 개시되는 상단 접착 층을 포함하는 자기 디바이스의 적어도 일부에 대한 도면들이며, 도 3a는 ABS로부터의 도면이며; 도 3b는 측면도이며; 그리고 도 3c는 투시도이다.
도 4a, 4b, 및 4c는, 개시되는 상단 및 바닥 접착 층의 적어도 일부를 포함하는 자기 디바이스의 적어도 일부에 대한 도면들이며, 도 4a는 ABS로부터의 도면이며; 도 4b는 측면도이며; 그리고 도 4c는 투시도이다.
도 5a, 5b, 및 5c는, 개시되는 상단, 바닥 및 측면 접착 층을 포함하는 자기 디바이스의 적어도 일부에 대한 도면들이며, 도 5a는 ABS로부터의 도면이며; 도 5b는 측면도이며; 그리고 도 5c는 투시도이다.
도 6a, 6b, 및 6c는, 개시되는 상단 및 측면 접착 층을 포함하는 자기 디바이스의 적어도 일부에 대한 도면들이며, 도 6a는 ABS로부터의 도면이며; 도 6b는 측면도이며; 그리고 도 6c는 투시도이다.
도 7a, 7b, 및 7c는, 개시되는 바닥 및 측면 접착 층을 포함하는 자기 디바이스의 적어도 일부에 대한 도면들이며, 도 7a는 ABS로부터의 도면이며; 도 7b는 측면도이며; 그리고 도 7c는 투시도이다.
도 8은 개시되는 예들을 실행하는데 이용되는 예시적인 스택(stack)에 대한 측면도를 도시한다.
도면들은 반드시 실척대로는 아니다. 도면들에서 사용되는 유사한 번호들은 유사한 컴포넌트들을 지칭한다. 그러나 제시되는 도면에서 컴포넌트를 지칭하는 번호의 사용은 동일한 번호로 라벨링된 다른 도면에서의 컴포넌트를 제한하도록 의도되지 않는다는 것이 이해될 것이다.
| No. | Zr 상단 접착 층 두께(Å) |
NPS 타입 | 테입 테스트 |
| 1 | 0 | TEOS-SiO2 | SiO2 막이 테입과 함께 쉽게 풀 오프되었음 |
| 2 | 5 | TEOS-SiO2 | SiO2가 일부 위치들상에서 테입과 함께 풀 오프될 수 있음- 최소 박리 |
| 3 | 10 | TEOS-SiO2 | 박리 없음-테입 테스트 통과됨 |
| 4 | 20 | TEOS-SiO2 | 박리 없음-테입 테스트 통과됨 |
| 5 | 30 | TEOS-SiO2 | 박리 없음-테입 테스트 통과됨 |
| 6 | 40 | TEOS-SiO2 | 박리 없음-테입 테스트 통과됨 |
| 7 | 50 | TEOS-SiO2 | 박리 없음-테입 테스트 통과됨 |
| 8 | 0 | PVD-SiO2 | SiO2가 일부 위치들상에서 테입과 함께 풀 오프될 수 있음- 최소 박리 |
| 9 | 5 | PVD-SiO2 | 박리 없음-테입 테스트 통과됨 |
| 10 | 0 | TaSiOx | 박리 없음-테입 테스트 통과됨 |
| 11 | 5 | TaSiOx | 박리 없음-테입 테스트 통과됨 |
| 테입 테스트 결과들 | |||||
| No. | 추가 층들 | 증착직후 (As deposited) |
15분 동안 225℃에서 RAT |
3시간 동안 225℃에서 진공 어닐링 |
15분 동안 300℃ 에어 어닐링 |
| 12 | 90-100% 박리 | X | X | X | |
| 13 | 중복 | 90-100% 박리 | X | X | X |
| 14 | 100% 박리 | X | X | X | |
| 15 | 중복 | 100% 박리 | X | X | X |
| 16 | 100% 박리 | X | X | X | |
| 17 | 중복 | 100% 박리 | X | X | X |
| 18 | 0% 박리 | 0% 박리 | 0% 박리 | 0% 박리 | |
| 19 | 중복 | 하나의 위치는 박리를 나타내나, 다른 위치들은 0% | |||
| 20 | 하나의 위치는 박리를 나타내나, 다른 위치들은 0% | 하나의 위치는 박리를 나타내나, 다른 위치들은 0% | 다른 위치들은 0% |
보다 많은 박리(10~20%)를 나타내기 시작함 | |
| 21 | 중복 | 하나의 위치는 박리를 나타내나, 다른 위치들은 0% | |||
| 22 | 웨이퍼 에지 근처에서는 5-10% 박리, 그러나 다른 위치들은 0% | 웨이퍼 에지 근처에서는 5-10% 박리, 그러나 다른 위치들은 0% | 보다 많은 박리(50-60%)를 나타내기 시작함 |
90-100% 박리 | |
| 23 | 중복 | 0% 박리 | |||
| 24 | 웨이퍼 에지 근처에서는 5-10% 박리, 그러나 다른 위치들은 0% | 웨이퍼 에지 근처에서는 5-10% 박리, 그러나 다른 위치들은 0% | 보다 많은 박리(50-60%)를 나타내기 시작함 |
90-100% 박리 | |
| 25 | 중복 | 0% 박리 | |||
| 26 | 0% 박리 | 하나의 위치는 박리를 나타내나, 다른 위치들은 0% | X (웨이퍼 파손) |
X | |
| 27 | 중복 | 0% 박리 | 0% 박리 | 0% 박리 | 0% 박리 |
| 증착직후 | 15분 동안 225℃에서 RTA | 15분 동안 300℃에서 RTA | ||||
| n | k | n | k | n | k | |
| 12 | 0.23 | 5.51 | 0.178 | 5.5 | 0.173 | 5.5 |
| 14 | 0.23 | 5.5 | 0.175 | 5.5 | 0.171 | 5.5 |
| 18 | 0.27 | 5.54 | 0.231 | 5.54 | 0.22 | 5.52 |
| 20 | 0.33 | 5.56 | 0.31 | 5.57 | 0.294 | 5.51 |
| 22 | 0.35 | 5.58 | 0.28 | 5.53 | 0.267 | 5.52 |
| 26 | 0.26 | 5.52 | 0.23 | 5.54 | 0.213 | 5.5 |
Claims (18)
- 디바이스로서,
NFT(near field transducer);
기입 폴;
상기 NFT와 상기 기입 폴 사이에 포지셔닝되는 적어도 하나의 유전 재료; 및
상기 NFT의 상단과 적어도 하나의 유전 재료 사이에 포지셔닝되는 접착 층을 포함하며,
상기 접착 층은,
지르코늄(Zr), 이트륨(Y), 스칸듐(Sc), 알루미늄(Al), 루테늄(Ru), 바나듐(V), 실리콘(Si), 게르마늄(Ge) 및 이들의 조합들;
코발트(Co), 니켈(Ni), 크롬(Cr), 텅스텐(W), 티타늄 텅스텐(TiW), 몰리브덴(Mo), 마그네슘(Mg), 니오븀(Nb), 하프늄(Hf), 아연(Zn), 및 이들의 조합들;
티타늄 질화물(TiN), 지르코늄 질화물(ZrN), 탄탈 질화물(TaN), 하프늄 질화물(HfN) 및 이들의 조합들;
인듐 산화물(In203), In203-Sn02(ITO)의 고용체, 아연 산화물(ZnO), 알루미늄(Al) 도핑된 ZnO, 갈륨(Ga) 도핑된 ZnO, 및 이들의 조합들;
Zr, Zn, Ti, Co, 은(Ag), 구리(Cu), 인듐(In), 카드뮴(Cd), Sn, 비스무트(Bi), 납(Pb), 셀레늄(Se), 철(Fe), Mo의 황화물들; 또는 이들의 이원 황화물들; 그리고
실리콘 탄화물(SiC) 또는 수소화 실리콘 탄화물(SiC:H)로부터 선택되는 하나 또는 그 초과의 재료들을 포함하는, 디바이스. - 삭제
- 제 1 항에 있어서,
상기 접착 층은 Zr, Y, Sc, Al, Ru, V, Si, Ge, 또는 이들의 조합들을 포함하며,
상기 접착 층은 2.5 Å 내지 50 Å의 평균 두께를 갖는, 디바이스. - 제 1 항에 있어서,
상기 접착 층은 Co, Ni, Cr, W, TiW, Mo, Mg, Nb, Hf, Zn, 또는 이들의 조합들을 포함하며,
상기 접착 층은 25 Å를 초과하지 않는 평균 두께를 갖는, 디바이스. - 제 1 항에 있어서,
상기 접착 층은, TiN, ZrN, TaN, HfN, 또는 이들의 조합들을 포함하며,
상기 접착 층은 50 Å를 초과하지 않는 평균 두께를 갖는, 디바이스. - 제 1 항에 있어서,
상기 접착 층은 In203, ITO, ZnO, Al 도핑된 ZnO, Ga 도핑된 ZnO, 또는 이들의 조합들을 포함하며,
상기 접착 층은 50 Å를 초과하지 않는 평균 두께를 갖는, 디바이스. - 제 1 항에 있어서,
상기 접착 층은, Zr, Zn, Ti, Co, Ag, Cu, In, Cd, Sn, Bi, Pb, Se, Fe, Mo의 황화물들; 또는 이들의 이원 황화물들을 포함하는, 디바이스. - 제 1 항에 있어서,
상기 접착 층은 SiC, SiC:H, 또는 이들의 조합들을 포함하는, 디바이스. - 제 1 항에 있어서,
상기 NFT의 바닥에 인접한 제 2 접착 층을 더 포함하는, 디바이스. - 제 9 항에 있어서,
상기 제 2 접착 층은,
Co, Ni, Cr, W, TiW, Mo, Mg, Nb, Hf, Zn, 및 이들의 조합들;
TiN, ZrN, TaN, HfN, 및 이들의 조합들;
In203, ITO, ZnO, Al 도핑된 ZnO, Ga 도핑된 ZnO 및 이들의 조합들;
Zr, Zn, Ti, Co, Ag, Cu, In, Cd, Sn, Bi, Pb, Se, Fe, Mo의 황화물들; 또는 이들의 이원 황화물들; 그리고
SiC, SiC:H, 및 이들의 조합들
로부터 선택되는 하나 또는 그 초과의 재료들을 포함하는, 디바이스. - 제 1 항에 있어서,
NFT의 하나 또는 그 초과의 측면들에 인접한 추가의 접착 층들을 더 포함하는, 디바이스. - 제 11 항에 있어서,
상기 추가의 접착 층은,
Co, Ni, Cr, W, TiW, Mo, Mg, Nb, Hf, Zn, 및 이들의 조합들;
TiN, ZrN, TaN, HfN, 및 이들의 조합들;
In2O3, ITO, ZnO, Al 도핑된 ZnO, Ga 도핑된 ZnO 및 이들의 조합들;
Zr, Zn, Ti, Co, Ag, Cu, In, Cd, Sn, Bi, Pb, Se, Fe, Mo의 황화물들; 또는 이들의 이원 황화물들; 그리고
SiC, SiC:H, 및 이들의 조합들
로부터 선택되는 하나 또는 그 초과의 재료들을 포함하는, 디바이스. - 제 9 항에 있어서,
상기 NFT의 하나 또는 그 초과의 측면들에 인접한 추가의 접착 층들을 더 포함하는, 디바이스. - 제 1 항 및 제 3 항 내지 제 13 항 중 어느 한 항에 있어서,
상기 NFT는, Au, 다른 재료로 도핑된 Au, Ag, 다른 재료로 도핑된 Ag, Cu, 또는 Al를 포함하는, 디바이스. - 제 1 항 및 제 3 항 내지 제 12 항 중 어느 한 항에 있어서,
상기 NFT는 페그(peg) 및 디스크(disc) 타입 NFT인, 디바이스. - 제 1 항 및 제 3 항 내지 제 12 항 중 어느 한 항에 있어서,
에너지 소스를 더 포함하며, 상기 NFT는 상기 에너지 소스로부터의 에너지를 수용하도록 구성되는, 디바이스. - 제 16 항에 있어서,
상기 에너지 소스는 레이저를 포함하는, 디바이스. - 제 16 항에 있어서,
도파관(waveguide)을 더 포함하며,
상기 도파관은, 상기 에너지 소스로부터의 에너지를 수용하고 이를 상기 NFT에 커플링하도록 구성되는, 디바이스.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261637985P | 2012-04-25 | 2012-04-25 | |
| US61/637,985 | 2012-04-25 | ||
| PCT/US2013/038280 WO2013163470A1 (en) | 2012-04-25 | 2013-04-25 | Devices including near field transducer and adhesion layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20150013592A KR20150013592A (ko) | 2015-02-05 |
| KR101738552B1 true KR101738552B1 (ko) | 2017-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020147032943A Expired - Fee Related KR101738552B1 (ko) | 2012-04-25 | 2013-04-25 | 니어 필드 트랜스듀서 및 접착 층을 포함하는 디바이스들 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US9281003B2 (ko) |
| KR (1) | KR101738552B1 (ko) |
| CN (1) | CN104769672B (ko) |
| WO (1) | WO2013163470A1 (ko) |
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- 2013-04-25 CN CN201380026689.9A patent/CN104769672B/zh not_active Expired - Fee Related
- 2013-04-25 KR KR1020147032943A patent/KR101738552B1/ko not_active Expired - Fee Related
- 2013-04-25 US US14/396,486 patent/US9281003B2/en active Active
- 2013-04-25 WO PCT/US2013/038280 patent/WO2013163470A1/en not_active Ceased
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2016
- 2016-03-07 US US15/062,678 patent/US9747939B2/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| US20150117170A1 (en) | 2015-04-30 |
| US9747939B2 (en) | 2017-08-29 |
| CN104769672A (zh) | 2015-07-08 |
| US9281003B2 (en) | 2016-03-08 |
| WO2013163470A1 (en) | 2013-10-31 |
| CN104769672B (zh) | 2019-05-14 |
| US20160260448A1 (en) | 2016-09-08 |
| KR20150013592A (ko) | 2015-02-05 |
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