KR100293464B1 - 이파장광원모듈및그의제조방법과그를이용한광픽업장치 - Google Patents
이파장광원모듈및그의제조방법과그를이용한광픽업장치 Download PDFInfo
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- KR100293464B1 KR100293464B1 KR1019980012275A KR19980012275A KR100293464B1 KR 100293464 B1 KR100293464 B1 KR 100293464B1 KR 1019980012275 A KR1019980012275 A KR 1019980012275A KR 19980012275 A KR19980012275 A KR 19980012275A KR 100293464 B1 KR100293464 B1 KR 100293464B1
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- submount
- light source
- source module
- reflector
- wavelength light
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- 230000003287 optical effect Effects 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000005530 etching Methods 0.000 claims description 19
- 239000010408 film Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 2
- 238000000059 patterning Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 235000012431 wafers Nutrition 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
- G11B7/1275—Two or more lasers having different wavelengths
-
- 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
- G11B7/13—Optical detectors therefor
- G11B7/131—Arrangement of detectors in a multiple array
-
- 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
- G11B7/1362—Mirrors
-
- 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
-
- 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
- G11B7/1395—Beam splitters or combiners
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/0206—Substrates, e.g. growth, shape, material, removal or bonding
- H01S5/021—Silicon based substrates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/023—Mount members, e.g. sub-mount members
- H01S5/0231—Stems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18361—Structure of the reflectors, e.g. hybrid mirrors
- H01S5/18375—Structure of the reflectors, e.g. hybrid mirrors based on metal reflectors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/95—Circuit arrangements
- H10F77/953—Circuit arrangements for devices having potential barriers
- H10F77/957—Circuit arrangements for devices having potential barriers for position-sensitive photodetectors, e.g. lateral-effect photodiodes or quadrant photodiodes
-
- 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
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Head (AREA)
Abstract
Description
Claims (13)
- 오픈 영역이 반도체 물질로 형성되는 서브마운트;상기 서브마운트의 오픈 영역에 형성되고, 적어도 2이상의 경사면들을 갖는 반사체;상기 반사체의 경사면들 각각에 대향되도록 상기 서브마운트위에 형성되고 각각 파장이 다른 적어도 2이상의 광원을 구비하는 것을 특징으로 하는 이파장 광원 모듈.
- 제 1 항에 있어서, 상기 반도체 물질은 (100)면을 갖는 단결정 실리콘임을 특징으로 하는 이파장 광원 모듈.
- 제 1 항에 있어서, 상기 반사체의 경사면들은 각각 45도 각도로 기울어진 것을 특징으로 하는 이파장 광원 모듈.
- 제 1 항에 있어서, 상기 경사면들을 갖는 반사체는 미러, 프리즘, 경사면에 반사막이 부착된 구조물 중 어느 하나로 이루어진 것을 특징으로 하는 이파장 광원 모듈.
- 제 1 항에 있어서, 상기 각각의 광원들이 원하는 위치에 정렬되도록 상기 서브마운트와 각각의 광원 사이에 형성되는 정렬판을 더 포함하는 것을 특징으로 하는 이파장 광원 모듈.
- 적어도 2이상의 경사면들을 갖는 반사체와 오픈 영역을 갖는 서브마운트를 각각 준비하는 단계;상기 서브마운트의 표면 위로 상기 반사체의 상단부가 돌출되도록 상기 서브마운트의 오픈영역에 상기 반사체를 결합하는 단계;상기 반사체의 경사면들 각각에 대향되도록 상기 서브마운트위에 적어도 2이상의 광원들을 형성하는 단계로 이루어짐을 특징으로 하는 이파장 광원 모듈 제조방법.
- 제 6 항에 있어서, 상기 오픈 영역을 갖는 서브마운트를 준비하는 단계는상기 서브마운트의 상부 및 하부에 에칭마스크 물질을 형성하고 패터닝하여 상기 서브마운트의 상부 및 하부의 소정영역을 노출시키는 단계;상기 노출된 서브마운트의 상부를 소정 깊이로 제거하여 광원용 정렬판을 형성하고, 상기 노출된 서브마운트의 하부를 제거하여 오픈 영역을 형성하는 단계를 더 포함하는 것을 특징으로 하는 이파장 광원 모듈 제조방법.
- 제 7 항에 있어서, 상기 에칭마스크 물질은 실리콘 산화물, 실리콘 질화물, Au 박막 중 어느 하나로 형성하는 것을 특징으로 하는 이파장 광원 모듈 제조방법.
- 제 7 항에 있어서, 상기 노출된 서브마운트 제거시 KOH 에칭용액을 사용하는 것을 특징으로 하는 이파장 광원 모듈 제조방법.
- 제 6 항에 있어서, 상기 서브마운트의 오픈영역에 반사체 결합시 UV접착제를 사용하는 것을 특징으로 하는 이파장 광원 모듈 제조방법.
- 광디스크의 종류에 따라 파장이 다른 광빔들을 발생하는 이파장 광원 모듈;상기 이파장 광원 모듈로부터 발생된 광빔을 상기 광디스크의 표면에 집속하는 집속부;상기 광디스크에 의해 반사된 광빔을 전기적 신호로 변환하는 광검출부;상기 이파장 광원 모듈 및 집속부 사이에 위치하여 상기 이파장 광원 모듈로부터 발생된 광빔을 상기 집속부로 전달하고 상기 광디스크에 의해 반사되어 상기 집속부를 경유한 광빔을 상기 광검출부로 전달하는 광분리부를 구비하는 것을 특징으로 하는 이파장 광원 모듈을 이용한 광픽업 장치.
- 제 11 항에 있어서, 상기 집속부와 광분리부 사이에 위치하여 입사되는 광빔을 반사하는 반사경을 더 포함하는 것을 특징으로 하는 이파장 광원 모듈을 이용한 광픽업 장치.
- 제 12 항에 있어서, 상기 반사경은 이파장 광원 모듈에서 발생하는 광빔들을 전반사하거나 또는 이파장 광원 모듈에서 발생하는 광빔들 중 특정 파장의 광빔만을 전반사하 는 것을 특징으로 하는 이파장 광원 모듈을 이용한 광픽업 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980012275A KR100293464B1 (ko) | 1998-04-07 | 1998-04-07 | 이파장광원모듈및그의제조방법과그를이용한광픽업장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019980012275A KR100293464B1 (ko) | 1998-04-07 | 1998-04-07 | 이파장광원모듈및그의제조방법과그를이용한광픽업장치 |
Publications (2)
Publication Number | Publication Date |
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KR19990079602A KR19990079602A (ko) | 1999-11-05 |
KR100293464B1 true KR100293464B1 (ko) | 2001-07-12 |
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KR1019980012275A Expired - Fee Related KR100293464B1 (ko) | 1998-04-07 | 1998-04-07 | 이파장광원모듈및그의제조방법과그를이용한광픽업장치 |
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KR (1) | KR100293464B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100467588B1 (ko) * | 2002-06-14 | 2005-01-24 | 삼성전자주식회사 | 광검출기 구조 및 레이저의 장축과 피트의 사잇각 조절 방법 |
KR100438723B1 (ko) * | 2002-06-14 | 2004-07-05 | 삼성전자주식회사 | 레이저 광모듈 구조 및 레이저의 장축과 피트의 사잇각조절방법 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR960025413A (ko) * | 1994-12-27 | 1996-07-20 | 배순훈 | 다층 디스크용 광 픽업 |
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1998
- 1998-04-07 KR KR1019980012275A patent/KR100293464B1/ko not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR960025413A (ko) * | 1994-12-27 | 1996-07-20 | 배순훈 | 다층 디스크용 광 픽업 |
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