JP6748233B2 - 半導体レーザダイオード - Google Patents
半導体レーザダイオード Download PDFInfo
- Publication number
- JP6748233B2 JP6748233B2 JP2018565031A JP2018565031A JP6748233B2 JP 6748233 B2 JP6748233 B2 JP 6748233B2 JP 2018565031 A JP2018565031 A JP 2018565031A JP 2018565031 A JP2018565031 A JP 2018565031A JP 6748233 B2 JP6748233 B2 JP 6748233B2
- Authority
- JP
- Japan
- Prior art keywords
- laser diode
- region
- semiconductor laser
- semiconductor body
- semiconductor
- 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.)
- Active
Links
- 239000004065 semiconductor Substances 0.000 title claims description 211
- 230000005855 radiation Effects 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 238000005530 etching Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000005670 electromagnetic radiation Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000012777 electrically insulating material Substances 0.000 description 3
- 239000013067 intermediate product Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 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
- 238000009826 distribution Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
-
- 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
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
- H01S5/0425—Electrodes, e.g. characterised by the structure
- H01S5/04254—Electrodes, e.g. characterised by the structure characterised by the shape
-
- 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
- H01S5/02355—Fixing laser chips on mounts
- H01S5/0237—Fixing laser chips on mounts by soldering
-
- 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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0233—Mounting configuration of laser chips
- H01S5/0234—Up-side down mountings, e.g. Flip-chip, epi-side down mountings or junction down mountings
-
- 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
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/065—Mode locking; Mode suppression; Mode selection ; Self pulsating
- H01S5/0651—Mode control
- H01S5/0653—Mode suppression, e.g. specific multimode
-
- 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
- H01S2301/00—Functional characteristics
- H01S2301/17—Semiconductor lasers comprising special layers
- H01S2301/176—Specific passivation layers on surfaces other than the emission facet
-
- 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
- H01S5/024—Arrangements for thermal management
- H01S5/02461—Structure or details of the laser chip to manipulate the heat flow, e.g. passive layers in the chip with a low heat conductivity
-
- 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
- H01S5/024—Arrangements for thermal management
- H01S5/02469—Passive cooling, e.g. where heat is removed by the housing as a whole or by a heat pipe without any active cooling element like a TEC
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Description
放出領域を有する半導体ボディと、
当該半導体ボディを放出領域において電気的にコンタクトさせる第1の接続要素と
を備えた半導体レーザダイオードであって、
半導体ボディは放出領域において、第1の接続要素とコンタクトし、
半導体ボディは放出領域に、当該半導体ボディと第1の接続要素との間のコンタクト面を拡大する構造部を、少なくとも局所的に有する
半導体レーザダイオードを開示する。
2 半導体ボディ
21 n型領域
22 p型領域
23 活性領域
24 接続領域
26 構造部
26a 構造体
27 他の構造部
27a 他の構造体
28 コンタクト面
3 第1の接続要素
4 第2の接続要素
41 コンタクト箇所
42 コンタクトワイヤ
5 放出領域
6 隣接領域
7 放射出射面
8 絶縁要素
T1,T2,T3 温度
d 距離
D 直径
Claims (12)
- 放出領域(5)を有する半導体ボディ(2)と、
前記半導体ボディ(2)を前記放出領域(5)において電気的にコンタクトさせる第1の接続要素(3)と、
を備えた半導体レーザダイオードであって、
前記半導体ボディ(2)は前記放出領域(5)において、前記第1の接続要素(3)とコンタクトし、
前記半導体ボディ(2)は前記放出領域(5)に、当該半導体ボディ(2)と前記第1の接続要素(3)との間のコンタクト面(28)を拡大する構造部(26)を、少なくとも局所的に有し、
前記構造部(26)は、放射出射面(7)に向かう方向に増加していく密度の複数の構造体(26a)を有する、
半導体レーザダイオード。 - 前記構造部(26)は、放射出射面(7)に向かう方向に増加していく密度の複数の構造体(26a)を有し、
前記半導体ボディ(2)は、横方向において前記放出領域(5)の隣に配置された隣接領域(6)を有し、
前記半導体ボディ(2)は前記隣接領域(6)に、他の構造体(27a)を有する他の構造部(27)を少なくとも局所的に有し、当該他の構造部(27)は隣接モードを減衰するように構成されており、
前記構造部(26)の前記構造体(26a)は、前記他の構造部(27)の前記他の構造体(27a)の平均高さ(h)より小さい平均高さ(h)を有する、
請求項1記載の半導体レーザダイオード。 - 前記構造体(26a)の配置が前記放射出射面(7)に近いほど、隣り合った前記構造体(26a)間の距離(d)が小さい、
請求項1または2記載の半導体レーザダイオード。 - 少なくとも一部領域において前記構造部(26)を有する、前記半導体ボディ(2)と前記第1の接続要素(3)との間の前記コンタクト面(28)は、いかなる構造部も有しない前記半導体ボディ(2)と前記第1の接続要素(3)との間のコンタクト面の少なくとも1.5倍の大きさである、
請求項1から3までのいずれか1項記載の半導体レーザダイオード。 - 前記第1の接続要素(3)は、前記半導体ボディ(2)を前記放出領域(5)において完全に覆う金属層を有する、
請求項1から4までのいずれか1項記載の半導体レーザダイオード。 - 前記構造部(26)は少なくとも局所的に、円錐台、逆円錐台、角錐台、逆角錐台、円錐、逆円錐、角錐、逆角錐、円形浅皿形、逆円形浅皿形のうち少なくとも1つの構造体(26a)を有する、
請求項1から5までのいずれか1項記載の半導体レーザダイオード。 - 前記構造体(26a)の最大横方向延在長さは少なくとも400nmである、
請求項1から6までのいずれか1項記載の半導体レーザダイオード。 - 前記半導体ボディ(2)は前記放出領域(5)に、前記コンタクト面(28)において前記第1の接続要素(3)に直接接する接続領域(24)を有し、
前記接続領域(24)はいかなる場所においても完全に貫通されていない、
請求項1から7までのいずれか1項記載の半導体レーザダイオード。 - 前記半導体ボディ(2)は、横方向において前記放出領域(5)の隣に配置された隣接領域(6)を有し、
前記半導体ボディ(2)は前記隣接領域(6)に、他の構造体(27a)を有する他の構造部(27)を少なくとも局所的に有し、当該他の構造部(27)は隣接モードを減衰するように構成されている、
請求項1から8までのいずれか1項記載の半導体レーザダイオード。 - 前記隣接領域(6)と前記第1の接続要素(3)との間に電気絶縁性の絶縁要素(8)が配置されており、
前記絶縁要素(8)は、前記半導体ボディを前記隣接領域(6)の前記第1の接続要素(3)側において完全に覆う、
請求項9記載の半導体レーザダイオード。 - 前記構造部(26)の前記構造体(26a)は、前記他の構造部(27)の前記他の構造体(27a)の平均高さ(h)より小さい平均高さ(h)を有する、
請求項9または10記載の半導体レーザダイオード。 - 前記構造体(26a)および/または前記他の構造体(27a)はエッチングによって形成されている、
請求項1から11までのいずれか1項記載の半導体レーザダイオード。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016110790.5 | 2016-06-13 | ||
DE102016110790.5A DE102016110790B4 (de) | 2016-06-13 | 2016-06-13 | Halbleiterlaserdiode |
PCT/EP2017/063208 WO2017215919A1 (de) | 2016-06-13 | 2017-05-31 | Halbleiterlaserdiode |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019518336A JP2019518336A (ja) | 2019-06-27 |
JP6748233B2 true JP6748233B2 (ja) | 2020-08-26 |
Family
ID=59021480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018565031A Active JP6748233B2 (ja) | 2016-06-13 | 2017-05-31 | 半導体レーザダイオード |
Country Status (5)
Country | Link |
---|---|
US (2) | US11245246B2 (ja) |
JP (1) | JP6748233B2 (ja) |
CN (1) | CN109314369B (ja) |
DE (1) | DE102016110790B4 (ja) |
WO (1) | WO2017215919A1 (ja) |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2929939A1 (de) * | 1979-07-24 | 1981-02-19 | Licentia Gmbh | Halbleiteranordnung und verfahren zu ihrer herstellung |
JPH04101482A (ja) * | 1990-08-20 | 1992-04-02 | Nec Corp | 2重チャネル型プレーナ埋込み構造半導体レーザ |
JPH06188385A (ja) | 1992-10-22 | 1994-07-08 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
EP0814547B1 (en) | 1995-12-28 | 2005-11-09 | Matsushita Electric Industrial Co., Ltd. | Semiconductor laser and process for producing the same |
JP2002169312A (ja) * | 2000-11-30 | 2002-06-14 | Mitsubishi Chemicals Corp | 電子写真感光体、電荷輸送層用塗布液及び電子写真感光体の製造方法 |
JP3812356B2 (ja) * | 2001-03-30 | 2006-08-23 | 松下電器産業株式会社 | 半導体発光素子およびその製造方法 |
JP4779255B2 (ja) * | 2001-07-16 | 2011-09-28 | パナソニック株式会社 | レーザ光源 |
GB2378311A (en) * | 2001-08-03 | 2003-02-05 | Marconi Caswell Ltd | Tunable Laser |
JP2003179295A (ja) | 2001-12-11 | 2003-06-27 | Denso Corp | 半導体レーザ装置 |
EP1642331B1 (de) | 2003-07-08 | 2013-04-03 | Infineon Technologies AG | Herstellungsverfahren einer integrierten schaltungsanordnung mit niederohmigen kontakten |
US20050201437A1 (en) * | 2004-03-15 | 2005-09-15 | Benoit Reid | Semiconductor laser |
KR100610950B1 (ko) | 2005-02-25 | 2006-08-09 | 엘에스전선 주식회사 | 열방출 구조가 개선된 레이저 다이오드 및 그 제조방법 |
JP5082278B2 (ja) * | 2005-05-16 | 2012-11-28 | ソニー株式会社 | 発光ダイオードの製造方法、集積型発光ダイオードの製造方法および窒化物系iii−v族化合物半導体の成長方法 |
WO2006123580A1 (ja) * | 2005-05-19 | 2006-11-23 | Matsushita Electric Industrial Co., Ltd. | 窒化物半導体装置及びその製造方法 |
US7606276B2 (en) | 2005-05-19 | 2009-10-20 | Panasonic Corporation | Nitride semiconductor device and method for fabricating the same |
JP4721924B2 (ja) * | 2005-12-09 | 2011-07-13 | 富士通株式会社 | 光導波路を伝搬する光と回折格子とを結合させた光素子 |
JP2008071945A (ja) | 2006-09-14 | 2008-03-27 | Sharp Corp | 化合物半導体素子およびその製造方法 |
JP2008182069A (ja) * | 2007-01-25 | 2008-08-07 | Toshiba Corp | 半導体発光素子 |
DE102007061458A1 (de) | 2007-11-30 | 2009-06-04 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines strahlungsemittierenden Bauelements und strahlungsemittierendes Bauelement |
DE102008014093B4 (de) | 2007-12-27 | 2020-02-06 | Osram Opto Semiconductors Gmbh | Kantenemittierender Halbleiterlaserchip mit zumindest einer Strombarriere |
DE102008019268A1 (de) * | 2008-02-29 | 2009-09-03 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauelement und Verfahren zur Herstellung eines optoelektronischen Bauelements |
DE102008058436B4 (de) * | 2008-11-21 | 2019-03-07 | Osram Opto Semiconductors Gmbh | Kantenemittierender Halbleiterlaserchip |
JP5110395B2 (ja) * | 2009-01-22 | 2012-12-26 | ソニー株式会社 | 半導体レーザ装置 |
KR101660733B1 (ko) | 2010-02-24 | 2016-09-28 | 엘지전자 주식회사 | 질화물 반도체 소자 및 그 제조방법 |
US9558954B2 (en) * | 2010-04-22 | 2017-01-31 | Luminus Devices, Inc. | Selective wet etching and textured surface planarization processes |
DE102011055891B9 (de) * | 2011-11-30 | 2017-09-14 | Osram Opto Semiconductors Gmbh | Halbleiterlaserdiode |
US8737445B2 (en) * | 2012-04-04 | 2014-05-27 | Osram Opto Semiconductors Gmbh | Laser diode assembly |
DE102012103160A1 (de) * | 2012-04-12 | 2013-10-17 | Osram Opto Semiconductors Gmbh | Laserdiodenvorrichtung |
US9008138B2 (en) | 2012-04-12 | 2015-04-14 | Osram Opto Semiconductors Gmbh | Laser diode device |
DE102012106364B4 (de) | 2012-07-16 | 2021-09-09 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Optoelektronischer Halbleiterchip und Verfahren zur Herstellung eines optoelektronischen Halbleiterchips |
JP2014072495A (ja) | 2012-10-01 | 2014-04-21 | Sharp Corp | 半導体レーザ素子 |
JP2015041688A (ja) | 2013-08-21 | 2015-03-02 | ウシオ電機株式会社 | 半導体レーザ装置 |
DE102013114226B4 (de) | 2013-12-17 | 2019-03-07 | Osram Opto Semiconductors Gmbh | Halbleiterlaserdiode, Verfahren zur Herstellung einer Halbleiterlaserdiode und Halbleiterlaserdiodenanordnung |
DE102015119226A1 (de) | 2015-11-09 | 2017-05-11 | Osram Opto Semiconductors Gmbh | Halbleiterlaserdiode |
-
2016
- 2016-06-13 DE DE102016110790.5A patent/DE102016110790B4/de active Active
-
2017
- 2017-05-31 US US16/308,985 patent/US11245246B2/en active Active
- 2017-05-31 JP JP2018565031A patent/JP6748233B2/ja active Active
- 2017-05-31 CN CN201780036897.5A patent/CN109314369B/zh active Active
- 2017-05-31 WO PCT/EP2017/063208 patent/WO2017215919A1/de active Application Filing
-
2022
- 2022-01-12 US US17/573,701 patent/US20220140566A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CN109314369B (zh) | 2021-01-15 |
DE102016110790A1 (de) | 2017-12-14 |
JP2019518336A (ja) | 2019-06-27 |
US11245246B2 (en) | 2022-02-08 |
WO2017215919A1 (de) | 2017-12-21 |
DE102016110790B4 (de) | 2022-01-13 |
CN109314369A (zh) | 2019-02-05 |
US20220140566A1 (en) | 2022-05-05 |
US20190312406A1 (en) | 2019-10-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6337036B2 (ja) | 半導体レーザダイオード | |
TWI518938B (zh) | 光電半導體晶片及其製造方法 | |
US10784653B2 (en) | Laser bars having trenches | |
CN102934300B (zh) | 激光光源 | |
JP7191167B2 (ja) | 半導体レーザーダイオード | |
JP5528465B2 (ja) | エッジ発光型半導体レーザチップ | |
US20090323750A1 (en) | Semiconductor laser device and method of manufacturing the same as well as optical pickup | |
CN111133640B (zh) | 半导体激光二极管和半导体器件 | |
KR100634538B1 (ko) | 효율적인 냉각 구조를 갖는 반도체 발광 소자 및 그 제조방법 | |
JP6676578B2 (ja) | 半導体チップの製造方法 | |
JP2008515177A (ja) | オプトエレクトロニクス薄膜チップ | |
JP2013530543A (ja) | 発光ダイオードチップおよび発光ダイオードチップの製造方法 | |
JP2006313907A (ja) | 放熱構造体及びこれを具備した発光素子組立体 | |
JP2019071457A (ja) | 半導体チップ、および半導体チップの製造方法 | |
JP2021170673A (ja) | 端面発光型のレーザバー | |
JP2018530924A (ja) | 半導体素子、半導体素子パッケージ、およびこれを含む照明システム | |
JP2014183120A (ja) | 半導体装置およびその製造方法並びに半導体ウェハ | |
JP6748233B2 (ja) | 半導体レーザダイオード | |
JP2006515109A (ja) | 半導体レーザー | |
TW201618327A (zh) | 光電半導體晶片及其製造方法 | |
US20160181488A1 (en) | Semiconductor light emitting device | |
JPWO2021260849A5 (ja) | ||
KR20070092030A (ko) | 레이저 다이오드 및 그 제조방법 | |
KR100565049B1 (ko) | 표면광 레이저 | |
TW565953B (en) | Electro-luminescent body |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20181212 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20191119 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20191211 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200311 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20200708 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200806 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6748233 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |