JP4489747B2 - 垂直構造の窒化物半導体素子の製造方法 - Google Patents
垂直構造の窒化物半導体素子の製造方法 Download PDFInfo
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- JP4489747B2 JP4489747B2 JP2006296429A JP2006296429A JP4489747B2 JP 4489747 B2 JP4489747 B2 JP 4489747B2 JP 2006296429 A JP2006296429 A JP 2006296429A JP 2006296429 A JP2006296429 A JP 2006296429A JP 4489747 B2 JP4489747 B2 JP 4489747B2
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- light emitting
- substrate
- nitride
- emitting structure
- conductive
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- 150000004767 nitrides Chemical class 0.000 title claims description 63
- 238000000034 method Methods 0.000 title claims description 30
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 239000004065 semiconductor Substances 0.000 title 1
- 239000000758 substrate Substances 0.000 claims description 94
- 229910052594 sapphire Inorganic materials 0.000 claims description 36
- 239000010980 sapphire Substances 0.000 claims description 36
- 239000010410 layer Substances 0.000 claims description 27
- 238000005520 cutting process Methods 0.000 claims description 14
- 239000012790 adhesive layer Substances 0.000 claims description 10
- 229910052738 indium Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 5
- 229910017944 Ag—Cu Inorganic materials 0.000 claims description 3
- 229910017942 Ag—Ge Inorganic materials 0.000 claims description 3
- 229910015363 Au—Sn Inorganic materials 0.000 claims description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 3
- 229910020220 Pb—Sn Inorganic materials 0.000 claims description 3
- 229910052732 germanium Inorganic materials 0.000 claims description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910010093 LiAlO Inorganic materials 0.000 claims description 2
- 229910020068 MgAl Inorganic materials 0.000 claims description 2
- 229910003465 moissanite Inorganic materials 0.000 claims 2
- 239000013078 crystal Substances 0.000 description 9
- 238000000926 separation method Methods 0.000 description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008646 thermal stress Effects 0.000 description 3
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0093—Wafer bonding; Removal of the growth substrate
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Led Devices (AREA)
- Semiconductor Lasers (AREA)
Description
124 導電性接着層
125a、125a’ n型窒化物層
125b、125b’ 活性層
125c、125c’ p型窒化物層
125、125’ 窒化物発光構造物
137 p型コンタクト
139 n型コンタクト
131 導電性永久基板
Claims (10)
- 成長用予備基板上に、第1導電型窒化物層、活性層、及び、第2導電型窒化物層を順次に成長させることで発光構造物を形成する段階と、
前記予備基板上に前記第1導電型窒化物層の一部が残存するように、所望の最終発光素子の大きさに応じて前記発光構造物を分離する段階と、
前記発光構造物の上面に電気的伝導性を有する導電性永久基板を提供する段階と、
前記予備基板が複数単位に分離されるように前記予備基板を切断する段階と、
前記発光構造物から前記予備基板が分離されるように前記予備基板の下部にレーザービームを照射する段階と、
を含むことを特徴とする窒化物発光素子の製造方法。 - 前記予備基板の下部にレーザービームを照射する段階において、前記第1導電型窒化物層の残存する部分は除去され、前記発光構造物は前記発光素子単位に完全に分離され、
前記第1導電型窒化物層の一面であって前記予備基板が除去された面と前記導電性永久基板の露出された面とに対して第1及び第2コンタクトを各々形成する段階と、
前記分離した発光構造物に応じて前記導電永久性基板を切断する段階と、
をさらに含むことを特徴とする請求項1に記載の窒化物発光素子の製造方法。 - 前記発光構造物を分離する段階において残存する前記第1導電型窒化物の残存厚さは0.01〜5μmであることを特徴とする、請求項1又は2に記載の窒化物発光素子の製造方法。
- 前記導電性永久基板を提供する段階は、メッキ工程を利用して前記発光構造物の上面に前記導電性永久基板を形成する段階であることを特徴とする、請求項1から3のいずれか1項に記載の窒化物発光素子の製造方法。
- 前記導電性永久基板を提供する段階は、前記発光構造物の上面に前記導電性永久基板を接合させる段階であることを特徴とする、請求項1から3のいずれか1項に記載の窒化物発光素子の製造方法。
- 前記導電性永久基板は、シリコン、ゲルマニウム、SiC、ZnO、及びGaAsで構成された群から選択された物質から成ることを特徴とする、請求項1から5のいずれか1項に記載の窒化物発光素子の製造方法。
- 前記発光構造物の上面に前記導電性永久基板を接合する段階は、導電性接着層を利用して前記導電性永久基板の下面と前記発光構造物の露出された上面を接合させる段階を含むことを特徴とする、請求項5に記載の窒化物発光素子の製造方法。
- 前記導電性接着層は、Au−Sn、Sn、In、Au−Ag、Ag−In、Ag−Ge、Ag−Cu及びPb−Snで構成された群から選択された物質から成ることを特徴とする、請求項7に記載の窒化物発光素子の製造方法。
- 前記予備基板を切断する段階は、前記素子単位に分離した領域に沿って前記予備基板を切断する段階であることを特徴とする請求項1から8のいずれか1項に記載の窒化物発光素子の製造方法。
- 前記予備基板は、サファイア、SiC、MgAl2O4、MgO、LiAlO2及びLiGaO2で構成された群から選択された物質から成る基板であることを特徴とする、請求項1から9のいずれか1項に記載の窒化物発光素子の製造方法。
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KR1020050120435A KR100649763B1 (ko) | 2005-12-09 | 2005-12-09 | 수직구조 질화물 발광소자의 제조방법 |
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JP2007165858A JP2007165858A (ja) | 2007-06-28 |
JP4489747B2 true JP4489747B2 (ja) | 2010-06-23 |
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US (1) | US7553682B2 (ja) |
JP (1) | JP4489747B2 (ja) |
KR (1) | KR100649763B1 (ja) |
Families Citing this family (11)
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SG153673A1 (en) * | 2007-12-10 | 2009-07-29 | Tinggi Tech Private Ltd | Fabrication of semiconductor devices |
WO2010015878A2 (en) * | 2008-08-06 | 2010-02-11 | S.O.I. Tec Silicon On Insulator Technologies | Process for modifying a substrate |
KR101018244B1 (ko) * | 2008-11-05 | 2011-03-03 | 삼성엘이디 주식회사 | 질화물계 반도체 발광소자의 제조방법 |
KR101198758B1 (ko) * | 2009-11-25 | 2012-11-12 | 엘지이노텍 주식회사 | 수직구조 반도체 발광소자 및 그 제조방법 |
WO2011069242A1 (en) * | 2009-12-09 | 2011-06-16 | Cooledge Lighting Inc. | Semiconductor dice transfer-enabling apparatus and method for manufacturing transfer-enabling apparatus |
US20110151588A1 (en) * | 2009-12-17 | 2011-06-23 | Cooledge Lighting, Inc. | Method and magnetic transfer stamp for transferring semiconductor dice using magnetic transfer printing techniques |
US8334152B2 (en) * | 2009-12-18 | 2012-12-18 | Cooledge Lighting, Inc. | Method of manufacturing transferable elements incorporating radiation enabled lift off for allowing transfer from host substrate |
WO2012014448A1 (ja) * | 2010-07-30 | 2012-02-02 | Dowaエレクトロニクス株式会社 | 半導体素子と半導体素子の製造方法 |
JP5185344B2 (ja) | 2010-09-06 | 2013-04-17 | 株式会社東芝 | 半導体発光素子の製造方法および半導体発光素子 |
JP5878292B2 (ja) * | 2010-12-24 | 2016-03-08 | 株式会社ディスコ | 光デバイスウエーハの加工方法 |
JP7258414B2 (ja) * | 2018-08-28 | 2023-04-17 | 株式会社ディスコ | 光デバイスウェーハの加工方法 |
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TW564471B (en) * | 2001-07-16 | 2003-12-01 | Semiconductor Energy Lab | Semiconductor device and peeling off method and method of manufacturing semiconductor device |
US7084045B2 (en) * | 2003-12-12 | 2006-08-01 | Seminconductor Energy Laboratory Co., Ltd. | Method for manufacturing semiconductor device |
JP2005223165A (ja) * | 2004-02-06 | 2005-08-18 | Sanyo Electric Co Ltd | 窒化物系発光素子 |
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Publication number | Publication date |
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US20070134826A1 (en) | 2007-06-14 |
JP2007165858A (ja) | 2007-06-28 |
US7553682B2 (en) | 2009-06-30 |
KR100649763B1 (ko) | 2006-11-27 |
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