KR100263890B1 - 밸런서 일체형 광디스크 - Google Patents
밸런서 일체형 광디스크 Download PDFInfo
- Publication number
- KR100263890B1 KR100263890B1 KR1019970077766A KR19970077766A KR100263890B1 KR 100263890 B1 KR100263890 B1 KR 100263890B1 KR 1019970077766 A KR1019970077766 A KR 1019970077766A KR 19970077766 A KR19970077766 A KR 19970077766A KR 100263890 B1 KR100263890 B1 KR 100263890B1
- Authority
- KR
- South Korea
- Prior art keywords
- optical disc
- balancer
- viscous liquid
- integrated optical
- recording area
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Images
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
- G11B7/24018—Laminated discs
- G11B7/24021—Laminated discs provided with a special shape or structure for centering or eccentricity prevention, e.g. alignment
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2545—CDs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Abstract
Description
Claims (6)
- 소정의 정보가 기록되는 기록영역과, 턴테이블에 안착되는 클램핑영역이 마련된 광디스크 본체와;상기 광디스크 본체의 상기 기록영역을 벗어난 위치에 형성된 환형의 밀폐 공간부와, 그 공간부내에 유동가능하게 수납되는 소정 질량체를 구비하는 밸런서;를 포함하여 된 것을 특징으로 하는 밸런서 일체형 광디스크.
- 제1항에 있어서,상기 공간부는, 상기 기록영역과 상기 클램핑영역 사이의 경계부에 형성된 것을 특징으로 하는 밸런서 일체형 광디스크.
- 제1항에 있어서,상기 공간부는, 상기 기록영역의 외곽측에 형성된 것을 특징으로 하는 밸런서 일체형 광디스크.
- 제2항 또는 제3항에 있어서,상기 질량체는,소정 점도를 지닌 점성액체로 구성된 것을 특징으로 하는 밸런서 일체형 광디스크.
- 제2항 또는 제3항에 있어서,상기 질량체는,다수의 철제볼을 구비하여 된 것을 특징으로 하는 밸런서 일체형 광디스크.
- 제5항에 있어서,상기 질량체는,소정 점도를 지닌 점성액체를 더 구비하여 된 것을 특징으로 하는 밸런서 일체형 광디스크.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970077766A KR100263890B1 (ko) | 1997-12-30 | 1997-12-30 | 밸런서 일체형 광디스크 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970077766A KR100263890B1 (ko) | 1997-12-30 | 1997-12-30 | 밸런서 일체형 광디스크 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990057698A KR19990057698A (ko) | 1999-07-15 |
KR100263890B1 true KR100263890B1 (ko) | 2000-08-16 |
Family
ID=19529652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970077766A Expired - Fee Related KR100263890B1 (ko) | 1997-12-30 | 1997-12-30 | 밸런서 일체형 광디스크 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100263890B1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100587846B1 (ko) * | 1998-12-31 | 2006-09-06 | 엘지전자 주식회사 | 디스크자동조심장치 |
KR20000051388A (ko) * | 1999-01-21 | 2000-08-16 | 구자홍 | 디스크 기록매체 및 그 제조방법 |
KR100699871B1 (ko) * | 2005-10-27 | 2007-03-28 | 삼성전자주식회사 | 스핀들 모터 조립체 및 이를 구비한 하드 디스크 드라이브 |
-
1997
- 1997-12-30 KR KR1019970077766A patent/KR100263890B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR19990057698A (ko) | 1999-07-15 |
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