JP2016004951A - 半導体発光素子の製造方法 - Google Patents
半導体発光素子の製造方法 Download PDFInfo
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- JP2016004951A JP2016004951A JP2014125673A JP2014125673A JP2016004951A JP 2016004951 A JP2016004951 A JP 2016004951A JP 2014125673 A JP2014125673 A JP 2014125673A JP 2014125673 A JP2014125673 A JP 2014125673A JP 2016004951 A JP2016004951 A JP 2016004951A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 91
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 123
- 238000000034 method Methods 0.000 claims abstract description 31
- 230000001678 irradiating effect Effects 0.000 claims abstract description 12
- 230000003287 optical effect Effects 0.000 claims description 3
- 229910052594 sapphire Inorganic materials 0.000 abstract description 53
- 239000010980 sapphire Substances 0.000 abstract description 53
- 238000005520 cutting process Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 29
- 238000011156 evaluation Methods 0.000 description 5
- 150000004767 nitrides Chemical class 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- 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
- H01L33/0095—Post-treatment of devices, e.g. annealing, recrystallisation or short-circuit elimination
-
- 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
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0066—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound
- H01L33/007—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound comprising nitride compounds
-
- 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
- H01L33/02—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 characterised by the semiconductor bodies
- H01L33/20—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 characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Laser Beam Processing (AREA)
- Led Devices (AREA)
- Dicing (AREA)
Abstract
Description
以下、本発明の実施の形態1について説明する。
(半導体発光素子10)
(半導体発光素子の製造方法)
(ウエハ準備工程)
(割断工程)
(レーザ光LB)
(実施の形態2)
(実験例)
5…基板
5a…第一主面
5b…第二主面
6…第1半導体層
7…第2半導体層
8…活性層
10…半導体発光素子
11…半導体構造
13…透光性導電層
14…保護膜
18…光取り出し面
20…改質領域
20’…第一改質領域
22…第二改質領域
31…第一集光位置
32…第二集光位置
33…第三集光位置
40…窪み
LB…レーザ光
LB1、LB’1…第1走査目のレーザ光
LB2、LB’2…第2走査目のレーザ光
LB’3…第3走査目のレーザ光
CP…チップ
CR…クラック
OF…オリエンテーションフラット面
Claims (5)
- 半導体発光素子の製造方法であって、
基板の第一主面上に半導体構造が設けられたウエハを準備する工程と、
前記基板の第一主面と反対側の第二主面側から、該基板内の厚さ方向における第一集光位置にレーザ光を照射することで改質領域を形成する第一レーザ照射工程と、
前記改質領域内であって、前記基板の厚さ方向において前記第一集光位置と異なる第二集光位置にレーザ光を照射する第二レーザ照射工程と、
前記ウエハを割断して、半導体発光素子毎に個片化する工程と
を含むことを特徴とする半導体発光素子の製造方法。 - 請求項1に記載の半導体発光素子の製造方法であって、
前記第二集光位置が、前記第一集光位置よりも第二主面側にあることを特徴とする半導体発光素子の製造方法。 - 請求項1又は2に記載の半導体発光素子の製造方法であって、
前記第二集光位置を、前記第一集光位置から5μm以上離間させてなることを特徴とする半導体発光素子の製造方法。 - 請求項1〜3のいずれか一に記載の半導体発光素子の製造方法であって、
前記第一レーザ照射工程及び前記第二レーザ照射工程における前記レーザ光の照射が、フェムト秒レーザによって行われてなることを特徴とする半導体発光素子の製造方法。 - 請求項1〜4のいずれか一に記載の半導体発光素子の製造方法であって、さらに
前記第一レーザ照射工程の前に、前記第一集光位置よりも第一主面側の第三集光位置に、レーザ光を照射する第三レーザ照射工程を含むことを特徴とする半導体発光素子の製造方法。
Priority Applications (3)
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JP2014125673A JP6318900B2 (ja) | 2014-06-18 | 2014-06-18 | 半導体発光素子の製造方法 |
US14/742,716 US9583674B2 (en) | 2014-06-18 | 2015-06-18 | Method for producing semiconductor light emitting element |
US15/409,546 US10340413B2 (en) | 2014-06-18 | 2017-01-19 | Semiconductor light emitting element |
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JP2014125673A JP6318900B2 (ja) | 2014-06-18 | 2014-06-18 | 半導体発光素子の製造方法 |
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JP2016004951A true JP2016004951A (ja) | 2016-01-12 |
JP6318900B2 JP6318900B2 (ja) | 2018-05-09 |
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JP (1) | JP6318900B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018037470A (ja) * | 2016-08-29 | 2018-03-08 | 日亜化学工業株式会社 | 発光素子の製造方法 |
JP2018142702A (ja) * | 2017-02-27 | 2018-09-13 | 日亜化学工業株式会社 | 半導体素子の製造方法 |
US10639747B2 (en) | 2017-01-26 | 2020-05-05 | Nichia Corporation | Method of manufacturing light emitting element |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6260601B2 (ja) * | 2015-10-02 | 2018-01-17 | 日亜化学工業株式会社 | 半導体素子の製造方法 |
CN109314049A (zh) * | 2016-06-13 | 2019-02-05 | 三菱电机株式会社 | 半导体装置的制造方法 |
DE102019201438B4 (de) * | 2019-02-05 | 2024-05-02 | Disco Corporation | Verfahren zum Herstellen eines Substrats und System zum Herstellen eines Substrats |
Citations (3)
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JP2007254185A (ja) * | 2006-03-22 | 2007-10-04 | Seiko Epson Corp | レーザスクライブ方法、表示装置の製造方法、基板、表示装置、電子機器 |
JP2008098465A (ja) * | 2006-10-13 | 2008-04-24 | Aisin Seiki Co Ltd | 半導体発光素子の分離方法 |
JP2014036062A (ja) * | 2012-08-07 | 2014-02-24 | Nichia Chem Ind Ltd | 半導体発光素子及びその製造方法 |
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JP3449201B2 (ja) | 1997-11-28 | 2003-09-22 | 日亜化学工業株式会社 | 窒化物半導体素子の製造方法 |
JP3604550B2 (ja) | 1997-12-16 | 2004-12-22 | 日亜化学工業株式会社 | 窒化物半導体素子の製造方法 |
EP1775059B1 (en) * | 2004-08-06 | 2015-01-07 | Hamamatsu Photonics K.K. | Laser processing method and semiconductor device |
JP2006245043A (ja) | 2005-02-28 | 2006-09-14 | Toyoda Gosei Co Ltd | Iii族窒化物系化合物半導体素子の製造方法及び発光素子 |
JP5221007B2 (ja) | 2006-05-31 | 2013-06-26 | アイシン精機株式会社 | 発光ダイオードチップ及びウェハ分割加工方法 |
US20070298529A1 (en) | 2006-05-31 | 2007-12-27 | Toyoda Gosei, Co., Ltd. | Semiconductor light-emitting device and method for separating semiconductor light-emitting devices |
KR101509834B1 (ko) | 2007-08-03 | 2015-04-14 | 니치아 카가쿠 고교 가부시키가이샤 | 반도체 발광 소자 및 그 제조 방법 |
JP2010024068A (ja) | 2008-07-16 | 2010-02-04 | Seiko Epson Corp | 基板分割方法及び表示装置の製造方法 |
KR101697383B1 (ko) | 2009-02-25 | 2017-01-17 | 니치아 카가쿠 고교 가부시키가이샤 | 반도체 소자의 제조 방법 |
DE102010030358B4 (de) * | 2010-06-22 | 2014-05-22 | Osram Opto Semiconductors Gmbh | Verfahren zum Abtrennen einer Substratscheibe |
CN103069586B (zh) | 2010-08-06 | 2016-03-30 | 日亚化学工业株式会社 | 发光元件的制造方法 |
JP5716524B2 (ja) | 2011-05-06 | 2015-05-13 | 日亜化学工業株式会社 | 発光素子の製造方法 |
JP2013004741A (ja) | 2011-06-16 | 2013-01-07 | Toshiba Corp | 半導体発光素子 |
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-
2014
- 2014-06-18 JP JP2014125673A patent/JP6318900B2/ja active Active
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2015
- 2015-06-18 US US14/742,716 patent/US9583674B2/en active Active
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- 2017-01-19 US US15/409,546 patent/US10340413B2/en active Active
Patent Citations (3)
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JP2007254185A (ja) * | 2006-03-22 | 2007-10-04 | Seiko Epson Corp | レーザスクライブ方法、表示装置の製造方法、基板、表示装置、電子機器 |
JP2008098465A (ja) * | 2006-10-13 | 2008-04-24 | Aisin Seiki Co Ltd | 半導体発光素子の分離方法 |
JP2014036062A (ja) * | 2012-08-07 | 2014-02-24 | Nichia Chem Ind Ltd | 半導体発光素子及びその製造方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2018037470A (ja) * | 2016-08-29 | 2018-03-08 | 日亜化学工業株式会社 | 発光素子の製造方法 |
US10639747B2 (en) | 2017-01-26 | 2020-05-05 | Nichia Corporation | Method of manufacturing light emitting element |
JP2018142702A (ja) * | 2017-02-27 | 2018-09-13 | 日亜化学工業株式会社 | 半導体素子の製造方法 |
US10672660B2 (en) | 2017-02-27 | 2020-06-02 | Nichia Corporation | Method of manufacturing semiconductor element |
Also Published As
Publication number | Publication date |
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US9583674B2 (en) | 2017-02-28 |
US10340413B2 (en) | 2019-07-02 |
JP6318900B2 (ja) | 2018-05-09 |
US20150372188A1 (en) | 2015-12-24 |
US20170133551A1 (en) | 2017-05-11 |
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