JP5802835B2 - 発光装置の製造方法 - Google Patents
発光装置の製造方法 Download PDFInfo
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- JP5802835B2 JP5802835B2 JP2014527363A JP2014527363A JP5802835B2 JP 5802835 B2 JP5802835 B2 JP 5802835B2 JP 2014527363 A JP2014527363 A JP 2014527363A JP 2014527363 A JP2014527363 A JP 2014527363A JP 5802835 B2 JP5802835 B2 JP 5802835B2
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- 238000000034 method Methods 0.000 title claims description 63
- 238000004519 manufacturing process Methods 0.000 title claims description 46
- 239000010410 layer Substances 0.000 claims description 519
- 229910002601 GaN Inorganic materials 0.000 claims description 151
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 142
- 229910052710 silicon Inorganic materials 0.000 claims description 98
- 239000010703 silicon Substances 0.000 claims description 98
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 97
- 239000000758 substrate Substances 0.000 claims description 86
- SKJCKYVIQGBWTN-UHFFFAOYSA-N (4-hydroxyphenyl) methanesulfonate Chemical compound CS(=O)(=O)OC1=CC=C(O)C=C1 SKJCKYVIQGBWTN-UHFFFAOYSA-N 0.000 claims description 33
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 33
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000002356 single layer Substances 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 6
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052733 gallium Inorganic materials 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 235000012431 wafers Nutrition 0.000 description 120
- 229910052751 metal Inorganic materials 0.000 description 85
- 239000002184 metal Substances 0.000 description 85
- 239000010931 gold Substances 0.000 description 46
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 42
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 42
- 229910052737 gold Inorganic materials 0.000 description 42
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 42
- 230000008569 process Effects 0.000 description 42
- 230000004888 barrier function Effects 0.000 description 35
- 229910052984 zinc sulfide Inorganic materials 0.000 description 33
- 239000005083 Zinc sulfide Substances 0.000 description 31
- 229910052709 silver Inorganic materials 0.000 description 24
- 239000004332 silver Substances 0.000 description 24
- 229910052697 platinum Inorganic materials 0.000 description 23
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 22
- 239000010936 titanium Substances 0.000 description 21
- 229910052719 titanium Inorganic materials 0.000 description 20
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 19
- 239000000463 material Substances 0.000 description 16
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 description 15
- 230000008018 melting Effects 0.000 description 15
- 238000002844 melting Methods 0.000 description 15
- 230000005496 eutectics Effects 0.000 description 14
- 230000007547 defect Effects 0.000 description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 12
- 238000010586 diagram Methods 0.000 description 12
- 230000000903 blocking effect Effects 0.000 description 10
- 238000005538 encapsulation Methods 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 8
- 229910052738 indium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 5
- 238000003892 spreading Methods 0.000 description 5
- 230000007480 spreading Effects 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 239000010937 tungsten Substances 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- AXAZMDOAUQTMOW-UHFFFAOYSA-N dimethylzinc Chemical compound C[Zn]C AXAZMDOAUQTMOW-UHFFFAOYSA-N 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 150000003057 platinum Chemical class 0.000 description 4
- 238000007788 roughening Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- MVXIJRBBCDLNLX-UHFFFAOYSA-N 1,3-dichloro-2-(2-chlorophenyl)benzene Chemical compound ClC1=CC=CC=C1C1=C(Cl)C=CC=C1Cl MVXIJRBBCDLNLX-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000969 carrier Substances 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- NYOZTOCADHXMEV-UHFFFAOYSA-N 2-propan-2-yltellanylpropane Chemical compound CC(C)[Te]C(C)C NYOZTOCADHXMEV-UHFFFAOYSA-N 0.000 description 2
- 229910001020 Au alloy Inorganic materials 0.000 description 2
- 229910000661 Mercury cadmium telluride Inorganic materials 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 229910001128 Sn alloy Inorganic materials 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- MCMSPRNYOJJPIZ-UHFFFAOYSA-N cadmium;mercury;tellurium Chemical compound [Cd]=[Te]=[Hg] MCMSPRNYOJJPIZ-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
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- 150000002343 gold Chemical class 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 150000003378 silver Chemical class 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- MAKDTFFYCIMFQP-UHFFFAOYSA-N titanium tungsten Chemical compound [Ti].[W] MAKDTFFYCIMFQP-UHFFFAOYSA-N 0.000 description 1
- 230000005533 two-dimensional electron gas Effects 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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Description
図26は、図3の青色LED装置の別の実施例の、エピタキシャルPAN構造の層の断面図である。図26の実施例の構造は、図6に示す構造と同一であるが、ただし、図6の実施例の層65は、図26の実施例では、テルル化亜鉛(ZnTe)又は二酸化チタン(TiO2)の層65Aである。層65Aは、厚さ100nm未満である。
Claims (8)
- シリコン基板上に、窒化アルミニウム(AlN)層と、前記シリコン基板と前記AlN層との間に配置されるテルル化亜鉛(ZnTe)層と、を含むバッファ層を直接形成する工程と、
前記バッファ層上に窒化ガリウム(GaN)テンプレート層を形成する工程と、
前記GaNテンプレート層の上に、p型層と、n型層と、前記p型層と前記n型層の間に配置されガリウム及び窒素を有する活性層と、を含む発光構造を形成する工程と、
前記発光構造上に導電キャリアをボンディングする工程と、
前記シリコン基板及び前記バッファ層を除去する工程と、
を備え、
前記ZnTe層は、厚さ100ナノメートル未満のテルル化亜鉛の単層である発光装置の製造方法。 - シリコン基板上に、窒化アルミニウム(AlN)層と、前記シリコン基板と前記AlN層との間に配置されるテルル化亜鉛(ZnTe)層と、を含むバッファ層を直接形成する工程と、
前記バッファ層上に窒化ガリウム(GaN)テンプレート層を形成する工程と、
前記GaNテンプレート層の上に、p型層と、n型層と、前記p型層と前記n型層の間に配置されガリウム及び窒素を有する活性層と、を含む発光構造を形成する工程と、
前記発光構造上に導電キャリアをボンディングする工程と、
前記シリコン基板及び前記バッファ層を除去する工程と、
を備えた発光装置の製造方法。 - 前記ZnTe層は、テルル化亜鉛の単層である請求項2記載の発光装置の製造方法。
- 前記ZnTe層は、厚さ100ナノメートル未満である請求項2または3記載の発光装置の製造方法。
- シリコン基板上に、窒化アルミニウム(AlN)層と、前記シリコン基板と前記AlN層との間に配置される二酸化チタン(TiO2)層と、を含むバッファ層を直接形成する工程と、
前記バッファ層上に窒化ガリウム(GaN)テンプレート層を形成する工程と、
前記GaNテンプレート層の上に、p型層と、n型層と、前記p型層と前記n型層の間に配置されガリウム及び窒素を有する活性層と、を含む発光構造を形成する工程と、
前記発光構造上に導電キャリアをボンディングする工程と、
前記シリコン基板及び前記バッファ層を除去する工程と、
を備えた発光装置の製造方法。 - 前記TiO2層は、二酸化チタンの単層である請求項5記載の発光装置の製造方法。
- 前記TiO2層は、厚さ100ナノメートル未満である請求項5または6記載の発光装置の製造方法。
- 前記発光構造の前記n型層は、少なくとも2000ナノメートルの厚さを有する請求項2〜7のいずれか1つに記載の発光装置の製造方法。
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US13/227,406 US8686430B2 (en) | 2011-09-07 | 2011-09-07 | Buffer layer for GaN-on-Si LED |
PCT/US2012/052821 WO2013036416A1 (en) | 2011-09-07 | 2012-08-29 | Buffer layer for gan-on-si led |
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US20130056745A1 (en) | 2013-03-07 |
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