KR100759808B1 - Iii-v 족 반도체 다층구조의 식각 방법 및 이를이용한 수직공진형 표면방출 레이저 제조 방법 - Google Patents
Iii-v 족 반도체 다층구조의 식각 방법 및 이를이용한 수직공진형 표면방출 레이저 제조 방법 Download PDFInfo
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- KR100759808B1 KR100759808B1 KR1020060027972A KR20060027972A KR100759808B1 KR 100759808 B1 KR100759808 B1 KR 100759808B1 KR 1020060027972 A KR1020060027972 A KR 1020060027972A KR 20060027972 A KR20060027972 A KR 20060027972A KR 100759808 B1 KR100759808 B1 KR 100759808B1
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- 238000005530 etching Methods 0.000 title claims abstract description 81
- 239000004065 semiconductor Substances 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 title description 15
- 230000003287 optical effect Effects 0.000 claims abstract description 14
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 11
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 8
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 34
- 238000011156 evaluation Methods 0.000 description 5
- 238000001312 dry etching Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30604—Chemical etching
- H01L21/30612—Etching of AIIIBV compounds
- H01L21/30621—Vapour phase etching
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- 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]
-
- 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
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/2054—Methods of obtaining the confinement
- H01S5/2081—Methods of obtaining the confinement using special etching techniques
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- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (14)
- III-V족 반도체로 구성되는 제1 반도체층과, 상기 제1 반도체층과는 다른 성분의 III-V족 반도체로 구성되는 제2 반도체층을 포함하는 적층 구조를 Cl2, Ar, CH4 및 H2 로 이루어지는 혼합 가스의 플라즈마에 노출시켜 식각하는 단계를 포함하고,상기 혼합 가스중 Cl2와 Ar의 부피비는 1:1이고, CH4와 H2의 부피비는 5:2인 것을 특징으로 하는 III-V족 반도체 다층구조의 식각 방법.
- 제1항에 있어서,상기 제1 반도체층 및 제2 반도체층은 각각 GaAs, AlAs, AlGaAs, InAlAs, InAlGaAs, InGaAs, InGaAsP, InAlGaP, InGaP 및 InP로 이루어지는 군에서 선택되는 어느 하나로 구성되는 것을 특징으로 하는 III-V족 반도체 다층구조의 식각 방법.
- 삭제
- 삭제
- 제1항에 있어서,상기 혼합 가스중 Cl2 및 Ar의 총량과, CH4 및 H2의 총량은 동일한 것을 특징으로 하는 III-V족 반도체 다층구조의 식각 방법.
- 제1항에 있어서,상기 식각 단계는 1 ∼ 100 mTorr의 압력하에 행해지는 것을 특징으로 하는 III-V족 반도체 다층구조의 식각 방법.
- 제1항에 있어서,상기 식각 단계는 0.1 ∼ 5 Watt/cm2의 플라즈마 파워 밀도로 행해지는 것을 특징으로 하는 III-V족 반도체 다층구조의 식각 방법.
- 제1항에 있어서,상기 식각 단계는 0 ∼ 150 ℃의 온도하에서 행해지는 것을 특징으로 하는 III-V족 반도체 다층구조의 식각 방법.
- 기판상에 서로 다른 조성을 가지는 복수의 III-V족 반도체층으로 이루어지는 적층 구조를 형성하는 단계와,상기 적층 구조 위에 상기 적층 구조의 일부를 노출시키는 마스크 패턴을 형성하는 단계와,상기 마스크 패턴을 식각 마스크로 하여 상기 노출된 적층 구조를 Cl2, Ar, CH4 및 H2 로 이루어지는 혼합 가스의 플라즈마에 노출시켜 소정 두께 만큼 식각하는 단계를 포함하고,상기 노출된 적층 구조를 식각하는 단계에서 상기 혼합 가스중 Cl2와 Ar의 부피비는 1:1이고, CH4와 H2의 부피비는 5:2인 것을 특징으로 하는 수직공진형 표면방출 레이저 제조 방법.
- 제9항에 있어서,상기 복수의 III-V족 반도체층은 각각 GaAs, AlAs, AlGaAs, InAlAs, InAlGaAs, InGaAs, InGaAsP, InAlGaP, InGaP 및 InP로 이루어지는 군에서 선택되는 어느 하나로 구성되는 것을 특징으로 하는 수직공진형 표면방출 레이저 제조 방법.
- 제9항에 있어서,상기 복수의 III-V족 반도체층은 상기 기판상에 차례로 형성된 하부 거울층, 하부 전극층, 광학 이득층, 상부 전극층 및 상부 거울층을 포함하고,상기 노출된 적층 구조를 식각하는 단계에서는 상기 하부 거울층, 하부 전극층, 광학 이득층, 상부 전극층 및 상부 거울층중 적어도 일부가 식각되는 것을 특징으로 하는 수직공진형 표면방출 레이저 제조 방법.
- 제11항에 있어서,상기 하부 거울층 및 상부 거울층은 각각 InP막 및 InAlGaAs막이 교대로 복수회 적층된 적층 구조로 이루어지는 것을 특징으로 하는 수직공진형 표면방출 레이저 제조 방법.
- 제11항에 있어서,상기 하부 전극층 및 상부 전극층은 각각 InP로 이루어진 것을 특징으로 하는 수직공진형 표면방출 레이저 제조 방법.
- 제11항에 있어서, 상기 광학 이득층은 InP/InAlGaAs로 이루어진 것을 특징으로 하는 수직공진형 표면방출 레이저 제조 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020060027972A KR100759808B1 (ko) | 2005-12-08 | 2006-03-28 | Iii-v 족 반도체 다층구조의 식각 방법 및 이를이용한 수직공진형 표면방출 레이저 제조 방법 |
US11/635,223 US7776752B2 (en) | 2005-12-08 | 2006-12-07 | Method of etching for multi-layered structure of semiconductors in group III-V and method for manufacturing vertical cavity surface emitting laser device |
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KR1020050120081 | 2005-12-08 | ||
KR20050120081 | 2005-12-08 | ||
KR1020060027972A KR100759808B1 (ko) | 2005-12-08 | 2006-03-28 | Iii-v 족 반도체 다층구조의 식각 방법 및 이를이용한 수직공진형 표면방출 레이저 제조 방법 |
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KR20070061003A KR20070061003A (ko) | 2007-06-13 |
KR100759808B1 true KR100759808B1 (ko) | 2007-09-20 |
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KR1020060027972A Expired - Fee Related KR100759808B1 (ko) | 2005-12-08 | 2006-03-28 | Iii-v 족 반도체 다층구조의 식각 방법 및 이를이용한 수직공진형 표면방출 레이저 제조 방법 |
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US (1) | US7776752B2 (ko) |
KR (1) | KR100759808B1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105742174A (zh) * | 2014-12-11 | 2016-07-06 | 北京北方微电子基地设备工艺研究中心有限责任公司 | 一种AlGaInP基多层结构的深槽刻蚀方法 |
CN108666390A (zh) * | 2017-03-30 | 2018-10-16 | 中国空空导弹研究院 | 一种InAlSb芯片的制备方法及InAlSb芯片 |
US11056347B2 (en) | 2019-05-28 | 2021-07-06 | Tokyo Electron Limited | Method for dry etching compound materials |
KR102500369B1 (ko) * | 2020-09-10 | 2023-02-14 | 한양대학교 에리카산학협력단 | Iii-v족 반도체 물질의 평탄화 슬러리, 및 iii-v족 반도체 채널의 제조 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100274557B1 (ko) | 1991-03-12 | 2001-02-01 | 윌리엄 비. 켐플러 | InP에 정합된 InAlAs 및 InGaAs 격자의 건식 에칭 방법 |
KR20020041333A (ko) * | 1999-06-21 | 2002-06-01 | 바르드와야 자이 | 플라즈마 에칭에 관한 개선 |
KR20040035729A (ko) * | 2001-08-09 | 2004-04-29 | 컴라세 에이비 | GaAs계 레이저에 대한 방법 및 GaAs계 레이저 |
JP2004281815A (ja) | 2003-03-17 | 2004-10-07 | Sumitomo Electric Ind Ltd | エッチング方法 |
Family Cites Families (8)
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FR2598256B1 (fr) * | 1986-04-30 | 1988-07-08 | Thomson Csf | Procede de gravure seche selective de couches de materiaux semi-conducteurs iii-v, et transistor obtenu par ce procede. |
FR2633451B1 (fr) * | 1988-06-24 | 1990-10-05 | Labo Electronique Physique | Procede de realisation de dispositifs semiconducteurs incluant au moins une etape de gravure ionique reactive |
JPH03229426A (ja) * | 1989-11-29 | 1991-10-11 | Texas Instr Inc <Ti> | 集積回路及びその製造方法 |
EP0457049A3 (en) * | 1990-04-19 | 1992-01-22 | Kabushiki Kaisha Toshiba | Dry etching method |
US5624529A (en) * | 1995-05-10 | 1997-04-29 | Sandia Corporation | Dry etching method for compound semiconductors |
US20010025826A1 (en) * | 2000-02-28 | 2001-10-04 | Pierson Thomas E. | Dense-plasma etching of InP-based materials using chlorine and nitrogen |
CA2456662A1 (en) * | 2001-08-07 | 2003-02-20 | Jan Kuzmik | High electron mobility devices |
KR100726324B1 (ko) * | 2005-12-05 | 2007-06-11 | 주식회사 레이칸 | 산화막 구경을 갖는 장파장 표면방출 레이저 소자 및 그제조방법 |
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- 2006-03-28 KR KR1020060027972A patent/KR100759808B1/ko not_active Expired - Fee Related
- 2006-12-07 US US11/635,223 patent/US7776752B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100274557B1 (ko) | 1991-03-12 | 2001-02-01 | 윌리엄 비. 켐플러 | InP에 정합된 InAlAs 및 InGaAs 격자의 건식 에칭 방법 |
KR20020041333A (ko) * | 1999-06-21 | 2002-06-01 | 바르드와야 자이 | 플라즈마 에칭에 관한 개선 |
KR20040035729A (ko) * | 2001-08-09 | 2004-04-29 | 컴라세 에이비 | GaAs계 레이저에 대한 방법 및 GaAs계 레이저 |
JP2004281815A (ja) | 2003-03-17 | 2004-10-07 | Sumitomo Electric Ind Ltd | エッチング方法 |
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US7776752B2 (en) | 2010-08-17 |
KR20070061003A (ko) | 2007-06-13 |
US20070134926A1 (en) | 2007-06-14 |
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