KR870000688A - 광디스크 - Google Patents
광디스크 Download PDFInfo
- Publication number
- KR870000688A KR870000688A KR1019860004673A KR860004673A KR870000688A KR 870000688 A KR870000688 A KR 870000688A KR 1019860004673 A KR1019860004673 A KR 1019860004673A KR 860004673 A KR860004673 A KR 860004673A KR 870000688 A KR870000688 A KR 870000688A
- Authority
- KR
- South Korea
- Prior art keywords
- optical disc
- substrate
- alkyl
- resin
- weight
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims 3
- 125000000217 alkyl group Chemical group 0.000 claims 2
- 125000003118 aryl group Chemical group 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
- 125000004464 hydroxyphenyl group Chemical group 0.000 claims 1
- 150000008301 phosphite esters Chemical class 0.000 claims 1
- 229920005668 polycarbonate resin Polymers 0.000 claims 1
- 239000004431 polycarbonate resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
Classifications
-
- 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
- G11B7/253—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 substrates
- G11B7/2533—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 substrates comprising resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/04—Aromatic polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
-
- 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
- G11B7/253—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 substrates
- G11B7/2533—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 substrates comprising resins
- G11B7/2534—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 substrates comprising resins polycarbonates [PC]
-
- 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
- G11B2007/24302—Metals or metalloids
- G11B2007/24304—Metals or metalloids group 2 or 12 elements (e.g. Be, Ca, Mg, Zn, Cd)
-
- 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
- G11B7/2433—Metals or elements of Groups 13, 14, 15 or 16 of the Periodic Table, e.g. B, Si, Ge, As, Sb, Bi, Se or Te
-
- 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
- G11B7/2585—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 aluminium
-
- 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
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/146—Laser beam
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (1)
- 비스(하이드록시페닐)알칸 폴리탄산수지의 광디스크기판과 그 기판에 형성된 기록막으로 구성되고, 상기 플리탄산수지는 평균분자량이 13000 내지 22000이고구조식(R1및 R2는 알킬기 혹은 아릴기이고, R3는 수소원자, 알킬기 혹은 아릴기이다.)로 표시되는 아인산에스테르를 0.0025중량% 함유하는 것을 특징으로 하는 광디스크.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60-130143 | 1985-06-14 | ||
| JP60-130142 | 1985-06-14 | ||
| JP60130142A JPH0734268B2 (ja) | 1985-06-14 | 1985-06-14 | 光デイスク |
| JP130142 | 1985-06-14 | ||
| JP60130143A JPS61287923A (ja) | 1985-06-14 | 1985-06-14 | 光デイスク |
| JP130143 | 1985-06-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870000688A true KR870000688A (ko) | 1987-02-19 |
| KR900004755B1 KR900004755B1 (ko) | 1990-07-05 |
Family
ID=26465338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019860004673A KR900004755B1 (ko) | 1985-06-14 | 1986-06-12 | 광 디스크 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4701770A (ko) |
| EP (1) | EP0207670B1 (ko) |
| KR (1) | KR900004755B1 (ko) |
| DE (1) | DE3686522T2 (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62204451A (ja) * | 1986-03-03 | 1987-09-09 | Daicel Chem Ind Ltd | 光デイスク用プラスチツク基板とその製法 |
| US5173347A (en) * | 1986-09-29 | 1992-12-22 | Daicel Chemical Industries, Ltd. | Polycarbonate and optical disk therefrom |
| EP0379130B2 (en) * | 1989-01-20 | 2003-08-13 | Idemitsu Petrochemical Co., Ltd. | Optical disk substrate, optical information-storage medium, and process and apparatus for manufacturing the optical disk substrate |
| US5215799A (en) * | 1989-01-25 | 1993-06-01 | Idemitsu Petrochemical Co., Ltd. | Optical disk substrate and optical information-storage medium |
| US6372175B1 (en) * | 1999-09-17 | 2002-04-16 | General Electric Company | Resin pellets for injection molding |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189894A (en) * | 1981-05-20 | 1982-11-22 | Fuji Photo Film Co Ltd | Thermal recording material |
| US4477555A (en) * | 1981-08-01 | 1984-10-16 | Ricoh Co., Ltd. | Optical information recording medium |
| JPS58180553A (ja) * | 1982-04-19 | 1983-10-22 | Idemitsu Petrochem Co Ltd | 光学機器用成形素材 |
| US4407995A (en) * | 1982-07-28 | 1983-10-04 | The Dow Chemical Company | Stabilized polycarbonate compositions containing cyclic carbonates and organophosphorous compounds |
| DE3377173D1 (en) * | 1982-09-29 | 1988-07-28 | Toshiba Kk | Radiation-sensitive carrier body utilized as stamper structure |
| JPS59113534A (ja) * | 1982-12-20 | 1984-06-30 | Canon Inc | 光学記録媒体 |
| DE3416607C2 (de) * | 1983-05-04 | 1995-03-16 | Matsushita Electric Ind Co Ltd | Optische Speicherplatte und Verfahren zu deren Herstellung |
-
1986
- 1986-06-12 KR KR1019860004673A patent/KR900004755B1/ko not_active IP Right Cessation
- 1986-06-12 US US06/873,405 patent/US4701770A/en not_active Expired - Lifetime
- 1986-06-13 EP EP86304548A patent/EP0207670B1/en not_active Expired - Lifetime
- 1986-06-13 DE DE8686304548T patent/DE3686522T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE3686522T2 (de) | 1993-02-18 |
| US4701770A (en) | 1987-10-20 |
| KR900004755B1 (ko) | 1990-07-05 |
| DE3686522D1 (de) | 1992-10-01 |
| EP0207670A2 (en) | 1987-01-07 |
| EP0207670B1 (en) | 1992-08-26 |
| EP0207670A3 (en) | 1989-03-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| G160 | Decision to publish patent application | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 19990623 Year of fee payment: 10 |
|
| LAPS | Lapse due to unpaid annual fee |