KR20020052927A - 광정보 기록매체용 반사층 또는 반투명 반사층, 광정보기록매체 및 광정보 기록매체용 스퍼터링 타겟 - Google Patents
광정보 기록매체용 반사층 또는 반투명 반사층, 광정보기록매체 및 광정보 기록매체용 스퍼터링 타겟 Download PDFInfo
- Publication number
- KR20020052927A KR20020052927A KR1020010066187A KR20010066187A KR20020052927A KR 20020052927 A KR20020052927 A KR 20020052927A KR 1020010066187 A KR1020010066187 A KR 1020010066187A KR 20010066187 A KR20010066187 A KR 20010066187A KR 20020052927 A KR20020052927 A KR 20020052927A
- Authority
- KR
- South Korea
- Prior art keywords
- recording medium
- information recording
- optical information
- reflective layer
- reflectance
- Prior art date
Links
Classifications
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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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
- G11B7/259—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on silver
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/06—Alloys based on silver
- C22C5/08—Alloys based on silver with copper as the next major constituent
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
- C23C14/205—Metallic material, boron or silicon on organic substrates by cathodic sputtering
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- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/3407—Cathode assembly for sputtering apparatus, e.g. Target
- C23C14/3414—Metallurgical or chemical aspects of target preparation, e.g. casting, powder metallurgy
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0808—Mirrors having a single reflecting layer
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
- G11B7/2595—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on gold
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/21—Circular sheet or circular blank
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Physical Vapour Deposition (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Abstract
Description
초기 반사율(%) | 고온 고습 시험 후의반사율(%) | 반사율차(%) | |
순수한 Au | 85.8 | 85.1 | -0.7 |
순수한 Ag | 90.5 | 83.5 | -7.0 |
Ag-1% Nd | 89.0 | 87.1 | -1.9 |
Ag-1% Nd-1%Au | 88.8 | 87.7 | -1.1 |
Ag-1% Nd-1%Cu | 88.6 | 87.4 | -1.2 |
Ag-1% Nd-1%Pd | 86.7 | 85.5 | -1.2 |
Ag-1% Nd-1%Mg | 86.2 | 84.4 | -1.8 |
Ag-1% Nd-1%Ti | 86.4 | 84.8 | -1.6 |
Ag-1% Nd-1%Ta | 86.1 | 84.5 | -1.6 |
Claims (6)
- Nd를 0.1 내지 3.0원자% 함유하는 Ag계 합금으로 구성되는 것을 특징으로 하며, Ag의 결정 입자의 성장이 억제되는, 광정보 기록매체용 반사층 또는 반투명 반사층.
- 제 1 항에 있어서,Au, Cu, Pd, Mg, Ti 및 Ta로 이루어진 군으로부터 선택된 1종 이상의 원소를 총 0.2 내지 5.0원자% 추가 함유하여 높은 내산화성을 갖는, 반사층 또는 반투명 반사층.
- 제 2 항에 있어서,Au, Cu 및 Pd로 이루어진 군으로부터 선택된 1종 이상의 원소를 총 0.2 내지 5.0원자% 함유하는, 반사층 또는 반투명 반사층.
- 제 3 항에 있어서,Cu를 0.2 내지 5.0원자% 함유하는, 반사층 또는 반투명 반사층.
- 제 1 항 내지 제 4 항 중 어느 한 항에 따른 Ag계 합금으로 구성되는 반사층 또는 반투명 반사층을 갖는 광정보 기록매체.
- 제 1 항 내지 제 4 항 중 어느 한 항에 따른 Ag계 합금으로 구성되는 것을 특징으로 하는 광정보 기록매체용 스퍼터링 타겟(sputtering target).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2000-00395894 | 2000-12-26 | ||
JP2000395894A JP3365762B2 (ja) | 2000-04-28 | 2000-12-26 | 光情報記録媒体用の反射層または半透明反射層、光情報記録媒体及び光情報記録媒体用スパッタリングターゲット |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020052927A true KR20020052927A (ko) | 2002-07-04 |
KR100445083B1 KR100445083B1 (ko) | 2004-08-21 |
Family
ID=18861274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0066187A KR100445083B1 (ko) | 2000-12-26 | 2001-10-26 | 광정보 기록매체용 반사층 또는 반투명 반사층, 광정보기록매체 및 광정보 기록매체용 스퍼터링 타겟 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6689444B2 (ko) |
KR (1) | KR100445083B1 (ko) |
CN (1) | CN1186772C (ko) |
DE (1) | DE10152889B4 (ko) |
SG (1) | SG116432A1 (ko) |
Families Citing this family (61)
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JP4678062B2 (ja) * | 2008-09-22 | 2011-04-27 | Tdk株式会社 | 光メディア、およびその製造方法 |
JP2010225572A (ja) * | 2008-11-10 | 2010-10-07 | Kobe Steel Ltd | 有機elディスプレイ用の反射アノード電極および配線膜 |
JP4735734B2 (ja) * | 2009-04-02 | 2011-07-27 | Tdk株式会社 | 光メディア用スパッタリングターゲット、その製造方法、ならびに、光メディア、およびその製造方法 |
KR20110128198A (ko) | 2009-04-14 | 2011-11-28 | 가부시키가이샤 고베 세이코쇼 | 광 정보 기록 매체, 광 정보 기록 매체의 반사막 형성용 스퍼터링 타깃 |
JP2017532586A (ja) | 2014-08-07 | 2017-11-02 | スリーエム イノベイティブ プロパティズ カンパニー | 反射シート及びその製造方法 |
CN106947879B (zh) * | 2017-04-11 | 2019-02-19 | 东北大学 | 用于真空磁控溅射银基合金靶材坯料及其制备方法和应用 |
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JPS52111587A (en) * | 1976-03-16 | 1977-09-19 | Teijin Ltd | Preparation of 6-aminopenam carboxylic acid-1-oxide or its derivatives |
JPS61133349A (ja) * | 1984-12-03 | 1986-06-20 | Hitachi Ltd | 分光反射率可変合金及び記録材料 |
JPS63191340A (ja) * | 1987-02-04 | 1988-08-08 | Seiko Instr & Electronics Ltd | 光磁気記録媒体 |
KR880011732A (ko) * | 1987-03-16 | 1988-10-31 | 이기동 | 자기 기록매체 |
JPS6417244A (en) * | 1987-07-10 | 1989-01-20 | Seiko Epson Corp | Magneto-optical recording medium |
DE19612823C2 (de) * | 1995-03-31 | 2001-03-01 | Mitsubishi Chem Corp | Optisches Aufzeichnungsverfahren |
WO1999043005A2 (en) | 1998-02-02 | 1999-08-26 | Lockheed Martin Idaho Technologies Company | Advanced neutron absorber materials |
KR100359086B1 (ko) * | 1998-07-15 | 2002-12-18 | 삼성전자 주식회사 | 상변화광디스크 |
US6806030B2 (en) * | 2000-03-30 | 2004-10-19 | Hitachi, Ltd. | Information recording medium and method for manufacturing information recording medium |
US6985429B2 (en) * | 2000-12-28 | 2006-01-10 | Sony Corporation | Optical recording medium |
EP1518235B9 (en) * | 2002-06-28 | 2006-08-30 | Williams Advanced Materials Inc. | Corrosion resistive silver metal alloys for optical data storage and recordable optical storage media containing same |
-
2001
- 2001-10-22 SG SG200106528A patent/SG116432A1/en unknown
- 2001-10-24 US US09/983,305 patent/US6689444B2/en not_active Expired - Lifetime
- 2001-10-25 CN CNB011366575A patent/CN1186772C/zh not_active Expired - Fee Related
- 2001-10-26 KR KR10-2001-0066187A patent/KR100445083B1/ko active IP Right Grant
- 2001-10-26 DE DE10152889A patent/DE10152889B4/de not_active Expired - Fee Related
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SG116432A1 (en) | 2005-11-28 |
DE10152889A1 (de) | 2002-07-04 |
CN1186772C (zh) | 2005-01-26 |
DE10152889B4 (de) | 2004-07-22 |
US20020150772A1 (en) | 2002-10-17 |
US6689444B2 (en) | 2004-02-10 |
CN1361525A (zh) | 2002-07-31 |
KR100445083B1 (ko) | 2004-08-21 |
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