KR970023022A - Fixture of the objective lens - Google Patents
Fixture of the objective lens Download PDFInfo
- Publication number
- KR970023022A KR970023022A KR1019950037986A KR19950037986A KR970023022A KR 970023022 A KR970023022 A KR 970023022A KR 1019950037986 A KR1019950037986 A KR 1019950037986A KR 19950037986 A KR19950037986 A KR 19950037986A KR 970023022 A KR970023022 A KR 970023022A
- Authority
- KR
- South Korea
- Prior art keywords
- objective lens
- fixing
- fixture
- center
- present
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
- G01M11/0214—Details of devices holding the object to be tested
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0242—Testing optical properties by measuring geometrical properties or aberrations
-
- 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
- G11B7/1372—Lenses
- G11B7/1374—Objective lenses
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Optical Head (AREA)
- Lens Barrels (AREA)
Abstract
본 발명은 광 픽업장치의 대물렌즈 고정구에 관한 것으로, 대물렌즈(110)가 안착되게 중앙에 형성된 결합공(120)과, 상기 대물렌즈(110)를 중앙에 고정하는 고정부재(130)가 양측에 끼워지는 복수개의 고정홈(140)으로 이루어진 것인바, 본 발명에 의하면 대물렌즈의 수차 측정장치에 대물렌즈를 설치함에 있어서 정밀성이 향상됨과 동시에 용이하게 대물렌즈를 고정되도록 하므로써, 작업시간단축 및 작업능률이 향상되는 유용한 효과를 갖는다.The present invention relates to an objective lens fixture of the optical pickup device, the coupling hole 120 formed in the center so that the objective lens 110 is seated, and the fixing member 130 for fixing the objective lens 110 in the center both sides It consists of a plurality of fixing grooves 140 to be inserted in the bar, according to the present invention by improving the accuracy in the installation of the objective lens in the aberration measuring apparatus of the objective lens, and at the same time easy to fix the objective lens, shortening the working time and It has a useful effect of improving work efficiency.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제2도는 본 고안에 따른 대물렌즈 고정구의 사시도.2 is a perspective view of the objective lens fixture according to the present invention.
제3도는 본 고안의 사용상태도이다.3 is a state diagram used in the present invention.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950037986A KR0155097B1 (en) | 1995-10-30 | 1995-10-30 | Fixed device of objective lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950037986A KR0155097B1 (en) | 1995-10-30 | 1995-10-30 | Fixed device of objective lens |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970023022A true KR970023022A (en) | 1997-05-30 |
KR0155097B1 KR0155097B1 (en) | 1998-12-15 |
Family
ID=19431860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950037986A KR0155097B1 (en) | 1995-10-30 | 1995-10-30 | Fixed device of objective lens |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0155097B1 (en) |
-
1995
- 1995-10-30 KR KR1019950037986A patent/KR0155097B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR0155097B1 (en) | 1998-12-15 |
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Date | Code | Title | Description |
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A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20020628 Year of fee payment: 5 |
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LAPS | Lapse due to unpaid annual fee |