KR100277946B1 - 레이저 다이오드의 미러 제조방법 - Google Patents
레이저 다이오드의 미러 제조방법 Download PDFInfo
- Publication number
- KR100277946B1 KR100277946B1 KR1019980026663A KR19980026663A KR100277946B1 KR 100277946 B1 KR100277946 B1 KR 100277946B1 KR 1019980026663 A KR1019980026663 A KR 1019980026663A KR 19980026663 A KR19980026663 A KR 19980026663A KR 100277946 B1 KR100277946 B1 KR 100277946B1
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- KR
- South Korea
- Prior art keywords
- groove
- mirror
- wafer
- chip
- laser diode
- 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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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 39
- 239000011248 coating agent Substances 0.000 claims abstract description 30
- 238000000576 coating method Methods 0.000 claims abstract description 30
- 238000005530 etching Methods 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 5
- 238000003776 cleavage reaction Methods 0.000 abstract description 6
- 230000007017 scission Effects 0.000 abstract description 6
- 229910000679 solder Inorganic materials 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000010408 film Substances 0.000 description 14
- 239000010409 thin film Substances 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Classifications
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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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0235—Method for mounting laser chips
-
- 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
-
- 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
- H01S5/0233—Mounting configuration of laser chips
-
- 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
- H01S5/22—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 having a ridge or stripe structure
- H01S5/2205—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 having a ridge or stripe structure comprising special burying or current confinement layers
-
- 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
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (8)
- 에피택셜층 및 상/하부 전극이 형성된 웨이퍼를 포함하는 레이저 다이오드의 미러 제조방법에 있어서,상기 웨이퍼의 벽개면과 평행한 방향으로 웨이퍼를 에칭하여 홈을 형성하는 단계;상기 홈을 따라 칩 바 형태로 클리빙(cleaving)하는 단계;상기 칩 바를 적층하여 상기 벽개면에 미러 코팅을 하는 단계를 포함하여 이루어지는 것을 특징으로 하는 레이저 다이오드의 미러 제조방법.
- 제 1 항에 있어서, 상기 홈은 벽개면과 평행한 방향으로 상기 웨이퍼 상/하부에 형성되거나 또는 상기 웨이퍼 상부에만 형성되는 것을 특징으로 하는 레이저 다이오드의 미러 제조방법.
- 제 1 항에 있어서, 상기 홈은 전극과 전극 사이에 형성되는 것을 특징으로 하는 레이저 다이오드의 미러 제조방법.
- 제 1 항에 있어서, 상기 클리빙은 브레이킹(breaking) 공정만으로 수행하는 것을 특징으로 하는 레이저 다이오드의 미러 제조방법.
- 에피택셜층 및 상/하부 전극이 형성된 웨이퍼를 포함하는 레이저 다이오드의 미러 제조방법에 있어서,상기 웨이퍼의 벽개면과 평행한 방향으로 웨이퍼를 에칭하여 제 1 홈을 형성하고, 상기 웨이퍼의 벽개면과 수직한 방향으로 웨이퍼를 에칭하여 제 2 홈을 형성하는 단계;상기 제 1 홈을 따라 칩 바 형태로 클리빙하는 단계;상기 칩 바를 적층하여 상기 벽개면에 미러 코팅을 하는 단계를 포함하여 이루어지는 것을 특징으로 하는 레이저 다이오드의 미러 제조방법.
- 제 5 항에 있어서, 상기 제 1 홈 및 제 2 홈은 상기 웨이퍼 상/하부에 형성되거나 또는 상기 웨이퍼 상부에만 형성되는 것을 특징으로 하는 레이저 다이오드의 미러 제조방법.
- 제 5 항에 있어서, 상기 제 1 홈 및 제 2 홈은 전극 표면이 돌출되도록 전극을 중심으로 전극 주변에 형성되는 것을 특징으로 하는 레이저 다이오드의 미러 제조방법.
- 제 5 항에 있어서, 상기 클리빙은 브레이킹 공정만으로 수행하는 것을 특징으로 하는 레이저 다이오드의 미러 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980026663A KR100277946B1 (ko) | 1998-07-02 | 1998-07-02 | 레이저 다이오드의 미러 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980026663A KR100277946B1 (ko) | 1998-07-02 | 1998-07-02 | 레이저 다이오드의 미러 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000007372A KR20000007372A (ko) | 2000-02-07 |
KR100277946B1 true KR100277946B1 (ko) | 2001-02-01 |
Family
ID=19542889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980026663A Expired - Fee Related KR100277946B1 (ko) | 1998-07-02 | 1998-07-02 | 레이저 다이오드의 미러 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100277946B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101019790B1 (ko) | 2005-02-18 | 2011-03-04 | 엘지전자 주식회사 | 반도체 레이저 다이오드의 거울면 형성방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114665375B (zh) * | 2022-05-24 | 2022-09-23 | 度亘激光技术(苏州)有限公司 | 半导体芯片制造方法 |
-
1998
- 1998-07-02 KR KR1019980026663A patent/KR100277946B1/ko not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101019790B1 (ko) | 2005-02-18 | 2011-03-04 | 엘지전자 주식회사 | 반도체 레이저 다이오드의 거울면 형성방법 |
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Publication number | Publication date |
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KR20000007372A (ko) | 2000-02-07 |
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