KR102244553B1 - 용량 소자 및 반도체 장치 - Google Patents
용량 소자 및 반도체 장치 Download PDFInfo
- Publication number
- KR102244553B1 KR102244553B1 KR1020140105443A KR20140105443A KR102244553B1 KR 102244553 B1 KR102244553 B1 KR 102244553B1 KR 1020140105443 A KR1020140105443 A KR 1020140105443A KR 20140105443 A KR20140105443 A KR 20140105443A KR 102244553 B1 KR102244553 B1 KR 102244553B1
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- South Korea
- Prior art keywords
- film
- oxide
- oxide semiconductor
- insulating film
- semiconductor film
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 658
- 239000003990 capacitor Substances 0.000 title claims abstract description 60
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 151
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 150
- 238000000034 method Methods 0.000 claims description 119
- 150000004767 nitrides Chemical class 0.000 claims description 117
- 229910052751 metal Inorganic materials 0.000 claims description 104
- 239000002184 metal Substances 0.000 claims description 102
- 229910052739 hydrogen Inorganic materials 0.000 claims description 66
- 239000001257 hydrogen Substances 0.000 claims description 66
- 229910052782 aluminium Inorganic materials 0.000 claims description 47
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 44
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 33
- -1 aluminum oxide nitride Chemical class 0.000 claims description 26
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 20
- 229910052727 yttrium Inorganic materials 0.000 claims description 18
- 229910052733 gallium Inorganic materials 0.000 claims description 17
- 229910052726 zirconium Inorganic materials 0.000 claims description 17
- 229910052684 Cerium Inorganic materials 0.000 claims description 15
- 229910052746 lanthanum Inorganic materials 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 229910001195 gallium oxide Inorganic materials 0.000 claims description 8
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 7
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 7
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 claims description 6
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 6
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052738 indium Inorganic materials 0.000 claims description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 4
- 229910001936 tantalum oxide Inorganic materials 0.000 claims description 4
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 4
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052779 Neodymium Inorganic materials 0.000 claims description 2
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims 1
- 239000010408 film Substances 0.000 description 1824
- 239000001301 oxygen Substances 0.000 description 252
- 229910052760 oxygen Inorganic materials 0.000 description 252
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 247
- 239000000523 sample Substances 0.000 description 118
- 239000000758 substrate Substances 0.000 description 92
- 239000007789 gas Substances 0.000 description 68
- 239000011701 zinc Substances 0.000 description 63
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 52
- 239000013078 crystal Substances 0.000 description 52
- 238000010438 heat treatment Methods 0.000 description 50
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 44
- 230000006870 function Effects 0.000 description 44
- 238000012545 processing Methods 0.000 description 44
- 229910052710 silicon Inorganic materials 0.000 description 44
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- 238000004544 sputter deposition Methods 0.000 description 41
- 239000004973 liquid crystal related substance Substances 0.000 description 38
- 239000010410 layer Substances 0.000 description 37
- 229910052581 Si3N4 Inorganic materials 0.000 description 35
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 35
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 35
- 125000004429 atom Chemical group 0.000 description 34
- 239000012535 impurity Substances 0.000 description 34
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- 239000000203 mixture Substances 0.000 description 31
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- 238000000206 photolithography Methods 0.000 description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- 229910052757 nitrogen Inorganic materials 0.000 description 26
- 229910001868 water Inorganic materials 0.000 description 25
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 24
- 239000004020 conductor Substances 0.000 description 23
- 238000005530 etching Methods 0.000 description 22
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- 238000005259 measurement Methods 0.000 description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 21
- 150000002431 hydrogen Chemical class 0.000 description 20
- 229910052721 tungsten Inorganic materials 0.000 description 20
- 239000010937 tungsten Substances 0.000 description 20
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 19
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 18
- 229910052719 titanium Inorganic materials 0.000 description 18
- 239000010936 titanium Substances 0.000 description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 17
- 229910052802 copper Inorganic materials 0.000 description 17
- 239000010949 copper Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 16
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 15
- 239000012298 atmosphere Substances 0.000 description 15
- 229910000077 silane Inorganic materials 0.000 description 15
- 238000005477 sputtering target Methods 0.000 description 14
- 230000008859 change Effects 0.000 description 12
- 229960001730 nitrous oxide Drugs 0.000 description 12
- 235000013842 nitrous oxide Nutrition 0.000 description 12
- 238000012360 testing method Methods 0.000 description 12
- 239000000969 carrier Substances 0.000 description 11
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 10
- 238000002834 transmittance Methods 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 9
- 229910004298 SiO 2 Inorganic materials 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 9
- 230000001590 oxidative effect Effects 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 230000035699 permeability Effects 0.000 description 8
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000003989 dielectric material Substances 0.000 description 7
- 230000005684 electric field Effects 0.000 description 7
- 230000005669 field effect Effects 0.000 description 7
- 229910052750 molybdenum Inorganic materials 0.000 description 7
- 239000011733 molybdenum Substances 0.000 description 7
- 229910052715 tantalum Inorganic materials 0.000 description 7
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 7
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 6
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 238000000151 deposition Methods 0.000 description 6
- 230000008021 deposition Effects 0.000 description 6
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 6
- 239000012299 nitrogen atmosphere Substances 0.000 description 6
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 6
- 238000009832 plasma treatment Methods 0.000 description 6
- 239000002356 single layer Substances 0.000 description 6
- 229910052783 alkali metal Inorganic materials 0.000 description 5
- 150000001340 alkali metals Chemical class 0.000 description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 5
- 150000001342 alkaline earth metals Chemical class 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 238000004891 communication Methods 0.000 description 5
- 238000010894 electron beam technology Methods 0.000 description 5
- 229910003437 indium oxide Inorganic materials 0.000 description 5
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000007740 vapor deposition Methods 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 238000000231 atomic layer deposition Methods 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001312 dry etching Methods 0.000 description 4
- 238000002003 electron diffraction Methods 0.000 description 4
- 229910052735 hafnium Inorganic materials 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 229910001930 tungsten oxide Inorganic materials 0.000 description 4
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- GPBUGPUPKAGMDK-UHFFFAOYSA-N azanylidynemolybdenum Chemical compound [Mo]#N GPBUGPUPKAGMDK-UHFFFAOYSA-N 0.000 description 3
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- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 3
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- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 3
- VEDJZFSRVVQBIL-UHFFFAOYSA-N trisilane Chemical compound [SiH3][SiH2][SiH3] VEDJZFSRVVQBIL-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
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- 229910006404 SnO 2 Inorganic materials 0.000 description 2
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- 229910052709 silver Inorganic materials 0.000 description 1
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- 238000004611 spectroscopical analysis Methods 0.000 description 1
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- 229910052718 tin Inorganic materials 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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Abstract
절연 표면 위에 트랜지스터 및 용량 소자를 갖는 반도체 장치로서, 트랜지스터는 게이트 전극과, 게이트 전극과 중첩되는 산화물 반도체막과, 게이트 전극 및 산화물 반도체막 사이의 게이트 절연막과, 산화물 반도체막에 접촉하는 한쌍의 전극으로서 기능하는 제 1 도전막을 갖고, 산화물 반도체막과 접촉하는 산화물 절연막과, 산화물 절연막 위에 금속 산화물막과, 금속 산화물막의 개구부에서 형성되고, 제 1 도전막에 접촉하는, 화소 전극으로서 기능하는 제 2 도전막이 형성된다. 또한, 용량 소자는 게이트 절연막 위의 도전성을 갖는 막과, 제 2 도전막과, 도전성을 갖는 막과 제 2 도전막의 사이에 제공된 금속 산화물막을 가진다.
Description
도 2는 반도체 장치의 일 형태를 설명하는 상면도이다.
도 3은 반도체 장치의 일 형태를 설명하는 단면도이다.
도 4는 반도체 장치의 제작 방법의 일 형태를 설명하는 단면도이다.
도 5는 반도체 장치의 제작 방법의 일 형태를 설명하는 단면도이다.
도 6은 반도체 장치의 제작 방법의 일 형태를 설명하는 단면도이다.
도 7은 반도체 장치의 제작 방법의 일 형태를 설명하는 단면도이다.
도 8은 반도체 장치의 일 형태를 설명하는 상면도이다.
도 9는 반도체 장치의 제작 방법의 일 형태를 설명하는 단면도이다.
도 10은 반도체 장치의 제작 방법의 일 형태를 설명하는 단면도이다.
도 11은 반도체 장치의 제작 방법의 일 형태를 설명하는 단면도이다.
도 12는 반도체 장치의 일 형태를 설명하는 단면도이다.
도 13은 트랜지스터의 밴드 구조를 설명하는 도면이다.
도 14는 반도체 장치의 제작 방법의 일 형태를 설명하는 단면도이다.
도 15는 반도체 장치의 제작 방법의 일 형태를 설명하는 상면도이다.
도 16은 반도체 장치의 일 형태를 설명하는 단면도이다.
도 17은 반도체 장치의 제작 방법의 일 형태를 설명하는 단면도이다.
도 18은 시료의 투과율을 설명하는 도면이다.
도 19는 시료의 시트 저항을 설명하는 도면이다.
도 20은 시료의 구조를 설명하는 도면이다.
도 21은 시료의 시트 저항을 설명하는 도면이다.
도 22는 시료의 시트 저항을 설명하는 도면이다.
도 23은 시료의 구조를 설명하는 도면이다.
도 24는 산화물 반도체막에 포함되는 수소의 농도를 설명하는 도면이다.
도 25는 Vg-Id 특성을 설명하는 도면이다.
도 26은 채널 길이와 문턱 전압의 관계를 설명하는 도면이다.
도 27은 실시형태에 따른 전자기기의 외관도를 설명하는 도면이다.
도 28은 표시 모듈을 설명하는 도면이다.
도 29는 반도체 장치의 일 형태를 설명하는 단면도이다.
도 30은 반도체 장치의 일 형태를 설명하는 상면도이다.
도 31은 저항율의 온도 의존성을 설명하는 도면이다.
12:도전막
13:도전막
15:질화물 절연막
16:산화물 절연막
16c:산화물 반도체막
17:산화물 절연막
18:산화물 반도체막
19a:산화물 반도체막
19b:막
19c:산화물 반도체막
20:도전막
21a:도전막
21b:도전막
21c:도전막
22:산화물 절연막
23:산화물 절연막
24:산화물 절연막
25:산화물 절연막
26:금속막
26a:금속 산화물막
27:금속 산화물막
27a:금속 산화물막
27b:금속 산화물막
28:질화물 절연막
29:질화물 절연막
30:도전막
31:도전막
31a:도전막
31b:슬릿
32:산화물 반도체막
37a:다층막
37b:다층막
38a:다층막
38b:다층막
39a:산화물 반도체막
39b:막
41:개구부
41a:개구부
49a:산화물 반도체막
49b:막
101:화소부
102:트랜지스터
102a:트랜지스터
102b:트랜지스터
102c:트랜지스터
103:화소
104:주사선 구동 회로
105:용량 소자
105a:용량 소자
105b:용량 소자
105c:용량 소자
106:신호선 구동 회로
107:주사선
109:신호선
113:금속 산화물막
115:용량선
121:액정 소자
131:발광 소자
133:트랜지스터
135:트랜지스터
137:배선
139:배선
141:배선
801:유리 기판
803:산화물 반도체막
805:금속막
811:유리 기판
813:산화물 반도체막
815:금속 산화물막
821:유리 기판
823:산화물 반도체막
825:금속 산화물막
827:질화물 절연막
831:유리 기판
833:산화물 반도체막
835:질화물 절연막
1001:본체
1002:하우징
1003a:표시부
1003b:표시부
1004:키보드 버튼
1021:본체
1022:고정부
1023:표시부
1024:조작 버튼
1025:외부 메모리 슬롯
1030:하우징
1031:하우징
1032:표시 패널
1033:스피커
1034:마이크로폰
1035:조작 키
1036:포인팅 디바이스
1037:카메라 렌즈
1038:외부 접속 단자
1040:태양전지
1041:외부 메모리 슬롯
1050:텔레비전 장치
1051:하우징
1052:기억 매체 재생 녹화부
1053:표시부
1054:외부 접속 단자
1055:스탠드
1056:외부 메모리
1901:유리 기판
1903:절연막
1904:절연막
1905:산화물 반도체막
1907:도전막
1909:도전막
1910:절연막
1911:절연막
1912:금속 산화물막
1913:개구부
1914:개구부
1915:개구부
8000:표시 모듈
8001:상부 커버
8002:하부 커버
8003:FPC
8004:터치 패널
8005:FPC
8006:표시 패널
8007:백 라이트 유닛
8008:광원
8009:프레임
8010:프린트 기판
8011:배터리
Claims (20)
- 반도체 장치에 있어서:
트랜지스터로서:
절연 표면상에 채널 영역을 포함하는 산화물 반도체막; 및
상기 산화물 반도체막에 전기적으로 접속된 소스 전극 및 드레인 전극을 포함하는, 상기 트랜지스터;
상기 채널 영역, 상기 소스 전극, 및 상기 드레인 전극 위에 있고 상기 채널 영역, 상기 소스 전극, 및 상기 드레인 전극과 접촉하는 산화물 절연막;
상기 산화물 절연막 위의 금속 산화물막;
상기 금속 산화물막 위의 투광성을 갖는 도전막; 및
용량 소자로서:
상기 절연 표면상의 제 1 전극;
상기 제 1 전극 위에 있고 상기 제 1 전극과 접촉하는 상기 금속 산화물막; 및
상기 금속 산화물막 위의 제 2 전극으로서 상기 투광성을 갖는 도전막을 포함하는, 상기 용량 소자를 포함하고,
상기 산화물 반도체막과 상기 제 1 전극은 같은 재료를 함유하고,
상기 용량 소자에서, 상기 산화물 절연막이 상기 제 1 전극과 상기 금속 산화물막 사이에 제공되지 않는, 반도체 장치. - 반도체 장치에 있어서:
트랜지스터로서:
절연 표면상에 채널 영역을 포함하는 산화물 반도체막; 및
상기 산화물 반도체막에 전기적으로 접속된 소스 전극 및 드레인 전극을 포함하는, 상기 트랜지스터;
상기 채널 영역, 상기 소스 전극, 및 상기 드레인 전극 위에 있고 상기 채널 영역, 상기 소스 전극, 및 상기 드레인 전극과 접촉하는 산화물 절연막;
상기 산화물 절연막 위의 금속 산화물막;
상기 금속 산화물막 위의 질화물 절연막;
상기 질화물 절연막 위의 투광성을 갖는 도전막; 및
용량 소자로서:
상기 절연 표면상의 제 1 전극;
상기 제 1 전극 위에 있고 상기 제 1 전극과 접촉하는 상기 금속 산화물막;
상기 금속 산화물막 위의 상기 질화물 절연막; 및
상기 질화물 절연막 위의 제 2 전극으로서 상기 투광성을 갖는 도전막을 포함하는, 상기 용량 소자를 포함하고,
상기 산화물 반도체막과 상기 제 1 전극은 같은 재료를 함유하고,
상기 용량 소자에서, 상기 산화물 절연막이 상기 제 1 전극과 상기 금속 산화물막 사이에 제공되지 않는, 반도체 장치. - 삭제
- 삭제
- 삭제
- 제 1 항 또는 제 2 항에 있어서,
상기 산화물 반도체막과 상기 제 1 전극은 각각 인듐과, 알루미늄, 갈륨, 이트륨, 지르코늄, 란타넘, 세륨, 및 네오디뮴으로부터 선택된 금속 원소를 함유하는, 반도체 장치. - 제 1 항 또는 제 2 항에 있어서,
상기 금속 산화물막은 산화 알루미늄, 산화 질화 알루미늄, 산화 갈륨, 산화 질화 갈륨, 산화 이트륨, 산화 질화 이트륨, 산화 하프늄, 산화 질화 하프늄, 산화 티탄, 산화 탄탈, 또는 산화 질화 탄탈을 함유하는, 반도체 장치. - 제 1 항 또는 제 2 항에 있어서,
상기 산화물 반도체막과 상기 제 1 전극은 각각 다층 구조를 가지는, 반도체 장치. - 삭제
- 제 1 항 또는 제 2 항에 있어서,
상기 투광성을 갖는 도전막은 상기 소스 전극 및 상기 드레인 전극 중 하나에 전기적으로 접속된 화소 전극인, 반도체 장치. - 제 1 항 또는 제 2 항에 있어서,
상기 제 1 전극은 상기 산화물 반도체막보다 높은 수소 농도를 가지는, 반도체 장치. - 제 1 항 또는 제 2 항에 있어서,
상기 제 1 전극은 상기 산화물 반도체막보다 낮은 저항율을 가지는, 반도체 장치. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
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JP7038777B2 (ja) | 2022-03-18 |
JP7364721B2 (ja) | 2023-10-18 |
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JP2024150485A (ja) | 2024-10-23 |
JP6426942B2 (ja) | 2018-11-21 |
JP2019057713A (ja) | 2019-04-11 |
JP7516641B2 (ja) | 2024-07-16 |
JP2024001176A (ja) | 2024-01-09 |
JP2015179810A (ja) | 2015-10-08 |
JP2022095623A (ja) | 2022-06-28 |
US10134781B2 (en) | 2018-11-20 |
KR20150022676A (ko) | 2015-03-04 |
JP7689232B2 (ja) | 2025-06-05 |
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