KR102358482B1 - 반도체 장치 - Google Patents
반도체 장치 Download PDFInfo
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- KR102358482B1 KR102358482B1 KR1020210012299A KR20210012299A KR102358482B1 KR 102358482 B1 KR102358482 B1 KR 102358482B1 KR 1020210012299 A KR1020210012299 A KR 1020210012299A KR 20210012299 A KR20210012299 A KR 20210012299A KR 102358482 B1 KR102358482 B1 KR 102358482B1
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- KR
- South Korea
- Prior art keywords
- film
- oxide
- oxide semiconductor
- insulating film
- semiconductor film
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 424
- 238000000034 method Methods 0.000 claims abstract description 122
- 239000010949 copper Substances 0.000 claims abstract description 98
- 239000013078 crystal Substances 0.000 claims abstract description 77
- 229910052802 copper Inorganic materials 0.000 claims abstract description 53
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000000758 substrate Substances 0.000 claims description 112
- 150000004767 nitrides Chemical class 0.000 claims description 57
- 239000004973 liquid crystal related substance Substances 0.000 claims description 48
- 229910052725 zinc Inorganic materials 0.000 claims description 29
- 229910052733 gallium Inorganic materials 0.000 claims description 27
- 229910052738 indium Inorganic materials 0.000 claims description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 239000012535 impurity Substances 0.000 abstract description 74
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- 239000010931 gold Substances 0.000 abstract description 29
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- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 230000001629 suppression Effects 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
- 230000007704 transition Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- RGGPNXQUMRMPRA-UHFFFAOYSA-N triethylgallium Chemical compound CC[Ga](CC)CC RGGPNXQUMRMPRA-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
도 2는 트랜지스터의 제작 방법의 일 형태를 설명하는 단면도.
도 3은 트랜지스터의 밴드 구조를 설명하는 도면.
도 4는 IGZO(111)의 계산 모델을 설명하는 도면.
도 5는 Cu의 확산 경로 및 활성 장벽을 설명하는 도면.
도 6은 Cu의 확산 경로 및 활성 장벽을 설명하는 도면.
도 7은 Cu의 확산 경로 및 활성 장벽을 설명하는 도면.
도 8은 Cu의 확산 경로 및 활성 장벽을 설명하는 도면.
도 9는 Cu의 활성 장벽을 설명하는 도면.
도 10은 ZnO의 계산 모델을 설명하는 도면.
도 11은 Cu의 확산 경로 및 활성 장벽을 설명하는 도면.
도 12는 Cu의 확산 경로 및 활성 장벽을 설명하는 도면.
도 13은 Cu의 활성 장벽을 설명하는 도면.
도 14는 트랜지스터의 일 형태를 설명하는 단면도.
도 15는 트랜지스터의 일 형태를 설명하는 단면도.
도 16은 트랜지스터의 일 형태를 설명하는 상면도 및 단면도.
도 17은 트랜지스터의 제작 방법의 일 형태를 설명하는 단면도.
도 18은 반도체 장치의 일 형태를 설명하는 블록도 및 회로도.
도 19는 반도체 장치의 일 형태를 설명하는 상면도.
도 20은 반도체 장치의 일 형태를 설명하는 단면도.
도 21은 반도체 장치의 제작 방법의 일 형태를 설명하는 단면도.
도 22는 반도체 장치의 제작 방법의 일 형태를 설명하는 단면도.
도 23은 반도체 장치의 제작 방법의 일 형태를 설명하는 단면도.
도 24는 반도체 장치의 제작 방법의 일 형태를 설명하는 단면도.
도 25는 반도체 장치의 제작 방법의 일 형태를 설명하는 단면도.
도 26은 반도체 장치의 제작 방법의 일 형태를 설명하는 단면도.
도 27은 산화물 반도체의 극미 전자선 회절 패턴을 도시하는 도면.
도 28은 산화물 반도체의 불순물 분석 결과 및 XRD 분석 결과를 도시하는 도면.
도 29는 산화물 반도체의 불순물 분석 결과 및 XRD 분석 결과를 도시하는 도면.
도 30은 산화물 반도체의 불순물 분석 결과 및 XRD 분석 결과를 도시하는 도면.
도 31은 산화물 반도체의 불순물 분석 결과 및 XRD 분석 결과를 도시하는 도면.
도 32는 트랜지스터의 일 형태를 설명하는 단면도.
도 33은 트랜지스터의 일 형태를 설명하는 단면도.
15 : 게이트 전극
15a : 게이트 전극
17 : 게이트 절연막
17a : 질화물 절연막
17b : 산화물 절연막
17c : 산화물 절연막
18 : 산화물 반도체막
18a : 산화물 반도체막
18b : 산화물 반도체막
19 : 산화물막
19a : 산화물막
19b : 산화물막
20 : 다층막
21 : 전극
22 : 전극
23 : 산화물 절연막
24 : 산화물 절연막
25 : 질화물 절연막
26 : 보호막
26a : 보호막
27 : 게이트 절연막
30 : 절연막
41 : 도전막
42 : 보호막
43 : 보호막
44 : 보호막
60 : 트랜지스터
62 : 트랜지스터
64 : 트랜지스터
70 : 트랜지스터
72 : 트랜지스터
74 : 트랜지스터
101 : 화소부
102 : 트랜지스터
103 : 트랜지스터
104 : 주사선 구동 회로
105 : 용량 소자
106 : 신호선 구동 회로
107 : 주사선
109 : 신호선
111 : 화소
115 : 용량선
120 : 대각
131_1 : 트랜지스터
131_2 : 트랜지스터
132 : 액정 소자
133_1 : 용량 소자
133_2 : 용량 소자
134 : 트랜지스터
135 : 발광 소자
301 : 화소
302 : 기판
304a : 도전막
304b : 도전막
304c : 도전막
305 : 절연막
306 : 절연막
306a : 절연막
306b : 절연막
306c : 절연막
307 : 다층막
308 : 막
308a : 다층막
308b : 다층막
308c : 막
308d : 다층막
309 : 도전막
310a : 도전막
310b : 도전막
310c : 도전막
310d : 도전막
310e : 도전막
310f : 도전막
311 : 절연막
312 : 절연막
313 : 절연막
314 : 절연막
315 : 도전막
316a : 도전막
316b : 도전막
316c : 도전막
318 : 배향막
320 : 액정층
322 : 액정 소자
330 : 보호막
332a : 보호막
332b : 보호막
332c : 보호막
332d : 보호막
332e : 보호막
342 : 기판
344 : 차광막
346 : 유색막
348 : 절연막
350 : 도전막
352 : 배향막
362 : 개구부
362c : 개구부
364a : 개구부
364b : 개구부
364c : 개구부
Claims (8)
- 반도체 장치로서,
기판 위의 게이트 전극;
상기 게이트 전극 위의 게이트 절연막;
상기 게이트 절연막 위에서 접하는 산화물 반도체막으로서, 상기 산화물 반도체막은 In, Ga, 및 Zn을 포함하는, 상기 산화물 반도체막;
상기 산화물 반도체막 위에서 접하는 산화물막으로서, 상기 산화물막은 In, Ga, 및 Zn을 포함하는, 상기 산화물막;
상기 산화물막 위에서 접하는 한 쌍의 전극으로서, 상기 한 쌍의 전극은 구리를 포함하는, 상기 한 쌍의 전극;
상기 한 쌍의 전극 중 하나에 전기적으로 접속되는 화소 전극; 및
상기 화소 전극 위의 액정층을 포함하고,
상기 산화물막은 복수의 결정부를 포함하며, 상기 복수의 결정부에서 c축 배향성을 갖고,
c축들은 상기 산화물 반도체막 또는 상기 산화물막의 상면의 법선 벡터에 평행한 방향으로 배향되고,
상기 산화물막 내의 Ga 원자들의 비율은 상기 산화물 반도체막 내의 Ga 원자들의 비율보다 높고,
상기 산화물막의 원자수비에서, Ga는 In보다 크고, Zn은 Ga보다 큰, 반도체 장치. - 제1항에 있어서,
상기 한 쌍의 전극은 상기 게이트 절연막의 상면에 접하는, 반도체 장치. - 반도체 장치로서,
기판 위의 게이트 전극;
상기 게이트 전극 위의 게이트 절연막;
상기 게이트 절연막 위의 산화물 반도체막으로서, 상기 산화물 반도체막은 In, Ga, 및 Zn을 포함하는, 상기 산화물 반도체막;
상기 산화물 반도체막 위의 한 쌍의 전극으로서, 상기 한 쌍의 전극은 구리를 포함하는, 상기 한 쌍의 전극;
상기 산화물 반도체막과 상기 한 쌍의 전극 사이에 제공되는 산화물막으로서, 상기 산화물막은 In, Ga, 및 Zn을 포함하는, 상기 산화물막;
상기 한 쌍의 전극 중 하나에 전기적으로 접속되는 화소 전극; 및
상기 화소 전극 위의 액정층을 포함하고,
상기 산화물 반도체막은 채널 형성 영역을 갖고,
상기 한 쌍의 전극은 상기 산화물막 및 상기 산화물 반도체막에 전기적으로 접속되고,
상기 산화물막 내의 Ga 원자들의 비율은 상기 산화물 반도체막 내의 Ga 원자들의 비율보다 높고,
상기 산화물막의 원자수비에서, Ga는 In보다 크고, Zn은 Ga보다 큰, 반도체 장치. - 반도체 장치로서,
게이트 전극;
상기 게이트 전극 위의 게이트 절연막;
상기 게이트 절연막 위의 산화물 반도체막으로서, 상기 산화물 반도체막은 In, Ga, 및 Zn을 포함하는, 상기 산화물 반도체막;
상기 산화물 반도체막 위의 한 쌍의 전극으로서, 상기 한 쌍의 전극은 구리를 포함하는, 상기 한 쌍의 전극;
상기 산화물 반도체막과 상기 한 쌍의 전극 사이에 제공되는 산화물막으로서, 상기 산화물막은 In, Ga, 및 Zn을 포함하는, 상기 산화물막;
상기 한 쌍의 전극 중 하나에 전기적으로 접속되는 화소 전극; 및
상기 화소 전극 위의 액정층을 포함하고,
상기 산화물 반도체막은 채널 형성 영역을 갖고,
상기 한 쌍의 전극은 상기 산화물막 및 상기 산화물 반도체막에 전기적으로 접속되고,
상기 산화물막 내의 Ga 원자들의 비율은 상기 산화물 반도체막 내의 Ga 원자들의 비율보다 높고,
상기 산화물막의 원자수비에서, Ga는 In보다 크고, Zn은 Ga보다 크고,
상기 액정층은 FFS 모드에 의해 구동되는, 반도체 장치. - 제3항 또는 제4항에 있어서,
상기 산화물막은 복수의 결정부를 포함하며, 상기 복수의 결정부에서 c축 배향성을 갖는, 반도체 장치. - 제1항, 제3항, 및 제4항 중 어느 한 항에 있어서,
상기 게이트 절연막은 제1 절연막 및 상기 제1 절연막 위에 제공되는 제2 절연막을 포함하는, 반도체 장치. - 제6항에 있어서,
상기 제1 절연막은 질화물 절연막인, 반도체 장치. - 제6항에 있어서,
상기 제2 절연막은 산화물 절연막인, 반도체 장치.
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