JP5827826B2 - 半導体紫外線受光素子及びその製造方法 - Google Patents
半導体紫外線受光素子及びその製造方法 Download PDFInfo
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- JP5827826B2 JP5827826B2 JP2011135611A JP2011135611A JP5827826B2 JP 5827826 B2 JP5827826 B2 JP 5827826B2 JP 2011135611 A JP2011135611 A JP 2011135611A JP 2011135611 A JP2011135611 A JP 2011135611A JP 5827826 B2 JP5827826 B2 JP 5827826B2
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- 239000004065 semiconductor Substances 0.000 title claims description 55
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000000758 substrate Substances 0.000 claims description 65
- 239000013078 crystal Substances 0.000 claims description 34
- 239000000203 mixture Substances 0.000 description 45
- 230000004907 flux Effects 0.000 description 29
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 19
- 239000002184 metal Substances 0.000 description 18
- 229910052751 metal Inorganic materials 0.000 description 18
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 12
- 229920000144 PEDOT:PSS Polymers 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 229910052594 sapphire Inorganic materials 0.000 description 9
- 239000010980 sapphire Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 6
- 101000610557 Homo sapiens U4/U6 small nuclear ribonucleoprotein Prp31 Proteins 0.000 description 5
- 101001109965 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) 60S ribosomal protein L7-A Proteins 0.000 description 5
- 101001109960 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) 60S ribosomal protein L7-B Proteins 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 102100040118 U4/U6 small nuclear ribonucleoprotein Prp31 Human genes 0.000 description 5
- 239000003929 acidic solution Substances 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 5
- 239000012670 alkaline solution Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 229910052984 zinc sulfide Inorganic materials 0.000 description 5
- 101000643078 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) 40S ribosomal protein S9-A Proteins 0.000 description 4
- 101000729607 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) 40S ribosomal protein S9-B Proteins 0.000 description 4
- 229920000172 poly(styrenesulfonic acid) Polymers 0.000 description 4
- 229940005642 polystyrene sulfonic acid Drugs 0.000 description 4
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 229920000123 polythiophene Polymers 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 238000004528 spin coating Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 229920001940 conductive polymer Polymers 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- -1 for example Inorganic materials 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 1
- 101000726148 Homo sapiens Protein crumbs homolog 1 Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 102100027331 Protein crumbs homolog 1 Human genes 0.000 description 1
- 101000825534 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) 40S ribosomal protein S2 Proteins 0.000 description 1
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- 239000004020 conductor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 239000003586 protic polar solvent Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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Description
2 MgO(100)層
3 ZnOバッファー層
4、24 MgyZn1-yO(0≦y<0.3)層
6 絶縁層
7 オーミック電極
8 有機物電極
9 ワイヤーボンディング用金属電極
12 MgO(111)層
14、34 MgxZn1-xO(0.3≦x≦0.6)層
21 サファイア基板
RP11、RP12 レジストパターン
LSA、LSB 受光素子部分
Claims (6)
- 単結晶基板と、
前記単結晶基板上方に形成された−c極性MgxZn1−xO(0.3≦x≦0.6)層と、
前記−c極性MgxZn1−xO(0.3≦x≦0.6)層と同一平面上に形成された+c極性MgyZn1−yO(0≦y<0.3)層と、
前記−c極性MgxZn1−xO(0.3≦x≦0.6)層上及び前記+c極性MgyZn1−yO(0≦y<0.3)層上に形成されたショットキー電極と、
前記ショットキー電極と対をなすオーミック電極と
を有する半導体紫外線受光素子。 - 前記単結晶基板は、+c面単結晶基板であり、
前記単結晶基板と前記−c極性MgxZn1−xO(0.3≦x≦0.6)層との間に、極性反転層を有する請求項1記載の半導体紫外線受光素子。 - 前記単結晶基板は、無極性単結晶基板であり、
前記単結晶基板と前記+c極性MgyZn1−yO(0≦y<0.3)層との間に、極性反転層を有する請求項1記載の半導体紫外線受光素子。 - 単結晶基板を準備する工程と、
前記単結晶基板上の一部領域に極性反転層を形成する工程と、
前記基板上及び前記極性反転層上に、−c極性MgxZn1−xO(0.3≦x≦0.6)層と+c極性MgyZn1−yO(0≦y<0.3)層とを、同時にエピタキシャル成長させる工程と、
前記−c極性MgxZn1−xO(0.3≦x≦0.6)層上及び前記+c極性MgyZn1−yO(0≦y<0.3)層上にショットキー電極を形成する工程と、
前記ショットキー電極と対をなすオーミック電極を形成する工程と
を有する半導体紫外線受光素子の製造方法。 - 前記単結晶基板は、+c面単結晶基板であり、
前記単結晶基板上には前記+c極性MgyZn1−yO(0≦y<0.3)層が成長し、
前記極性反転層上には前記−c極性MgxZn1−xO(0.3≦x≦0.6)層が成長する請求項4記載の半導体紫外線受光素子の製造方法。 - 前記基板は、無極性単結晶基板であり、
前記単結晶基板上には前記−c極性MgxZn1−xO(0.3≦x≦0.6)層が成長し、
前記極性反転層上には前記+c極性MgyZn1−yO(0≦y<0.3)層が成長する請求項4記載の半導体紫外線受光素子の製造方法。
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JP2013004809A JP2013004809A (ja) | 2013-01-07 |
JP5827826B2 true JP5827826B2 (ja) | 2015-12-02 |
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JP4455890B2 (ja) * | 2004-01-06 | 2010-04-21 | スタンレー電気株式会社 | 半導体装置の製造方法 |
JP2010050432A (ja) * | 2008-07-24 | 2010-03-04 | Rohm Co Ltd | 紫外検出装置 |
JP2010056504A (ja) * | 2008-07-31 | 2010-03-11 | Rohm Co Ltd | 半導体素子 |
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