JP2013070111A - 半導体発光素子 - Google Patents
半導体発光素子 Download PDFInfo
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- JP2013070111A JP2013070111A JP2013011303A JP2013011303A JP2013070111A JP 2013070111 A JP2013070111 A JP 2013070111A JP 2013011303 A JP2013011303 A JP 2013011303A JP 2013011303 A JP2013011303 A JP 2013011303A JP 2013070111 A JP2013070111 A JP 2013070111A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 338
- 239000000758 substrate Substances 0.000 claims description 315
- 239000000956 alloy Substances 0.000 claims description 45
- 239000013078 crystal Substances 0.000 claims description 42
- 229910052751 metal Inorganic materials 0.000 claims description 42
- 239000002184 metal Substances 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 38
- 229910045601 alloy Inorganic materials 0.000 claims description 37
- 229910052759 nickel Inorganic materials 0.000 claims description 34
- 229910052782 aluminium Inorganic materials 0.000 claims description 33
- 229910052802 copper Inorganic materials 0.000 claims description 31
- 229910052737 gold Inorganic materials 0.000 claims description 30
- 229910052710 silicon Inorganic materials 0.000 claims description 30
- 229910052804 chromium Inorganic materials 0.000 claims description 22
- 229910052719 titanium Inorganic materials 0.000 claims description 22
- 229910052763 palladium Inorganic materials 0.000 claims description 21
- 229910052732 germanium Inorganic materials 0.000 claims description 19
- 229910052709 silver Inorganic materials 0.000 claims description 19
- 229910052697 platinum Inorganic materials 0.000 claims description 17
- 239000004020 conductor Substances 0.000 claims description 16
- 239000006104 solid solution Substances 0.000 claims description 16
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 15
- 229910001120 nichrome Inorganic materials 0.000 claims description 15
- 229910052758 niobium Inorganic materials 0.000 claims description 15
- 229910052715 tantalum Inorganic materials 0.000 claims description 15
- 238000001039 wet etching Methods 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 13
- 229910052721 tungsten Inorganic materials 0.000 claims description 11
- 229910002704 AlGaN Inorganic materials 0.000 claims description 10
- 229910016525 CuMo Inorganic materials 0.000 claims description 8
- 229910002601 GaN Inorganic materials 0.000 claims description 8
- 229910000577 Silicon-germanium Inorganic materials 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 7
- 239000011888 foil Substances 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
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- 238000004519 manufacturing process Methods 0.000 description 197
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- 150000004767 nitrides Chemical class 0.000 description 64
- 230000008569 process Effects 0.000 description 59
- 229910052738 indium Inorganic materials 0.000 description 18
- 229910004298 SiO 2 Inorganic materials 0.000 description 17
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- 239000011777 magnesium Substances 0.000 description 14
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- -1 BN Inorganic materials 0.000 description 11
- 238000009713 electroplating Methods 0.000 description 11
- 229910021332 silicide Inorganic materials 0.000 description 11
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical group [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 10
- 238000005219 brazing Methods 0.000 description 10
- 229910052749 magnesium Inorganic materials 0.000 description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 9
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- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 9
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- 229910000962 AlSiC Inorganic materials 0.000 description 8
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- 238000005253 cladding Methods 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 229910052745 lead Inorganic materials 0.000 description 8
- 238000000926 separation method Methods 0.000 description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 8
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 7
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 7
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 description 7
- 239000011521 glass Substances 0.000 description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- WUPRCGRRQUZFAB-DEGKJRJSSA-N corrin Chemical compound N1C2CC\C1=C\C(CC/1)=N\C\1=C/C(CC\1)=N/C/1=C\C1=NC2CC1 WUPRCGRRQUZFAB-DEGKJRJSSA-N 0.000 description 6
- 238000005336 cracking Methods 0.000 description 6
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- 239000007772 electrode material Substances 0.000 description 6
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- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 5
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- 238000001451 molecular beam epitaxy Methods 0.000 description 5
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- 229910019912 CrN Inorganic materials 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 101100442776 Mus musculus Decr2 gene Proteins 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
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- 238000002161 passivation Methods 0.000 description 4
- 238000005240 physical vapour deposition Methods 0.000 description 4
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- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 229910008599 TiW Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
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- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000002144 chemical decomposition reaction Methods 0.000 description 2
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
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- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- 238000004943 liquid phase epitaxy Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
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- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
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- 239000012212 insulator Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000002356 single layer Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
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- 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
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- H01L33/005—Processes
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- H01L33/0093—Wafer bonding; Removal of the growth substrate
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- H01L33/36—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 electrodes
- H01L33/40—Materials therefor
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- H01L33/42—Transparent materials
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- H01L33/58—Optical field-shaping elements
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Abstract
【解決手段】上記垂直構造の半導体発光素子は、第1導電型半導体層、活性層、第2導電型半導体層を含む多層発光構造体と、前記多層発光構造体の下部に配置される第1ボンディング層と、前記第1ボンディング層の下部に配置される第2ボンディング層と、前記第2ボンディング層の下部に配置されるヒートシンク層と、を含む。
【選択図】図7
Description
結局、犠牲層は選択支持基板の特性、分離方法及び最終的に製作しようとする垂直構造を有する発光素子の構造に合わせて適当な組成物質を選択することができる。
(半導体発光素子製造用支持基板の第1製造例)
以下、図5を参照して本発明の好ましい実施例による半導体発光素子製造用支持基板の構造及び製造過程について順次説明する。
以下、本発明の他の実施例による半導体発光素子製造用支持基板について説明する。
(半導体発光素子の第1製造例)
以下、図9及び図10を参照して半導体発光素子製造用支持基板の第1製造例による半導体発光素子製造用支持基板を用いた半導体発光素子及びその製造方法について説明する。
以下、図11及び図12を参照して本発明による半導体発光素子製造用支持基板を用いた半導体発光素子の第1実施例の構造及び製造過程について具体的に説明する。
図12の(a)を参照すると、上記a段階である第1ウェハを準備する段階は、グループ3−5族窒化物系半導体からなる多層発光構造体薄膜を、LLO工程を用いて成長基板から分離(lift−off)するために、良質の半導体単結晶多層薄膜を必ず透明なサファイア成長基板に積層成長させる。一般的にグループ3−5族窒化物系半導体薄膜成長装備であるMOCVD及びMBEシステムを用いて、サファイアからなる最初成長基板1200の上部に発光素子の基本的な多層発光構造体薄膜である低温及び高温バッファ層1210、n型半導体クラッド層1220、発光活性層1230、及びp型半導体クラッド層1240を順次積層成長させる。
以下、図13及び図14を参照して本発明による半導体発光素子製造用支持基板を用いた半導体発光素子の第2実施例の構造及び製造過程について具体的に説明する。
以下、図15及び図16を参照して本発明による半導体発光素子製造用支持基板を用いた半導体発光素子の第3実施例の構造及び製造過程について具体的に説明する。
50、52、54、56、58 半導体発光素子製造用支持基板
60: 62: 64: 66: 68 半導体発光素子製造用支持基板
70、90、1100、1300、1500 半導体発光素子
871、1271、1471 トレンチ
881、1281、1481、1681 半導体発光素子製造用支持基板
Claims (10)
- 第1導電型半導体層、活性層、第2導電型半導体層を含む多層発光構造体と、
前記多層発光構造体の下部に配置される第1ボンディング層と、
前記第1ボンディング層の下部に配置される第2ボンディング層と、
前記第2ボンディング層の下部に配置されるヒートシンク層と、を含む、垂直構造の半導体発光素子。 - 前記ヒートシンク層の下部に配置される第3ボンディング層と、
前記第3ボンディング層の下部に配置される支持部と、を含む、請求項1に記載の垂直構造の半導体発光素子。 - 前記支持部は、熱及び電気伝導体であるSi、Ge、SiGe、ZnO、GaN、AlGaNまたはGaAsの中から選択された単結晶または多結晶ウェハからなるか、Mo、Cu、Ni、Nb、Ta、Ti、Au、Ag、Cr、NiCr、CuW、CuMoまたはNiWの中から選択された金属ホイル(foil)からなることを特徴とする、請求項2に記載の垂直構造の半導体発光素子。
- 前記ヒートシンク層は、80μm〜500μmの厚さを有する、請求項1〜3のいずれか一項に記載の垂直構造の半導体発光素子。
- 前記多層発光構造体の第1導電型半導体層上に配置される第1オーミック接触電極と、
前記多層発光構造体の第2導電型半導体層と第1ボンディング層との間に配置される第2オーミック接触電極と、をさらに含む、請求項1〜4のいずれか一項に記載の垂直構造の半導体発光素子。 - 前記ヒートシンク層は、Cu、Ni、Ag、Mo、Al、Au、Nb、W、Ti、Cr、Ta、Al、Pd、PtまたはSiのうちの少なくとも1成分を含む合金または固溶体からなる、請求項1〜5のいずれか一項に記載の垂直構造の半導体発光素子。
- 前記ヒートシンク層の下部に配置される犠牲層と、
前記犠牲層の下部に配置される選択支持基板と、を含む、請求項1〜6のいずれか一項に記載の垂直構造の半導体発光素子。 - 前記選択支持基板は、電気伝導体であって、Mo、Cu、Ni、Nb、Ta、Ti、Au、Ag、Cr、NiCr、CuW、CuMoまたはNiWの中から選択された金属からなる、請求項7に記載の垂直構造の半導体発光素子。
- 前記犠牲層は、熱及び電気伝導体である金属、合金、または固溶体からなる、請求項7又は8に記載の垂直構造の半導体発光素子。
- 前記犠牲層は、湿式エッチング溶液によって溶解可能な物質からなる、請求項7〜9のいずれか一項に記載の垂直構造の半導体発光素子。
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- 2009-06-02 CN CN201410682299.3A patent/CN104538507B/zh active Active
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Also Published As
Publication number | Publication date |
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US20140065746A1 (en) | 2014-03-06 |
JP5189681B2 (ja) | 2013-04-24 |
US8877530B2 (en) | 2014-11-04 |
US20140377895A1 (en) | 2014-12-25 |
US20110127567A1 (en) | 2011-06-02 |
EP2302705B1 (en) | 2018-03-14 |
CN104538507B (zh) | 2017-08-15 |
EP2302705A2 (en) | 2011-03-30 |
CN102106006A (zh) | 2011-06-22 |
WO2009148253A3 (ko) | 2010-03-18 |
CN104538507A (zh) | 2015-04-22 |
JP2011522436A (ja) | 2011-07-28 |
CN102106006B (zh) | 2014-12-10 |
EP2302705A4 (en) | 2014-10-08 |
WO2009148253A2 (ko) | 2009-12-10 |
US9224910B2 (en) | 2015-12-29 |
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