KR102428373B1 - 반도체 장치 - Google Patents
반도체 장치 Download PDFInfo
- Publication number
- KR102428373B1 KR102428373B1 KR1020220012360A KR20220012360A KR102428373B1 KR 102428373 B1 KR102428373 B1 KR 102428373B1 KR 1020220012360 A KR1020220012360 A KR 1020220012360A KR 20220012360 A KR20220012360 A KR 20220012360A KR 102428373 B1 KR102428373 B1 KR 102428373B1
- Authority
- KR
- South Korea
- Prior art keywords
- film
- oxide
- insulating film
- oxide semiconductor
- transistor
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 405
- 238000000034 method Methods 0.000 claims abstract description 122
- 239000010949 copper Substances 0.000 claims abstract description 99
- 239000013078 crystal Substances 0.000 claims abstract description 79
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 30
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- 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
- 230000036962 time dependent 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,
게이트 전극;
상기 게이트 전극 위의 게이트 절연막;
상기 게이트 절연막 위의 제1 In-Ga-Zn 산화물막;
상기 제1 In-Ga-Zn 산화물막 위의 제2 In-Ga-Zn 산화물막; 및
상기 제2 In-Ga-Zn 산화물막 위의 한 쌍의 전극을 포함하고,
상기 한 쌍의 전극은 구리를 포함하고,
상기 제1 In-Ga-Zn 산화물막은 In, Ga, 및 Zn을 1:1:1의 원자수비로 포함하는 제1 금속 산화물 타깃을 사용하여 형성되고,
상기 제2 In-Ga-Zn 산화물막은 In, Ga, 및 Zn을 1:3:6의 원자수비로 포함하는 제2 금속 산화물 타깃을 사용하여 형성되고,
상기 제2 In-Ga-Zn 산화물막은 비단결정 구조를 갖고 c축 배향된 결정들을 포함하는, 반도체 장치. - 반도체 장치로서,
게이트 전극;
상기 게이트 전극 위의 게이트 절연막;
상기 게이트 절연막 위의 제1 In-Ga-Zn 산화물막;
상기 제1 In-Ga-Zn 산화물막 위의 제2 In-Ga-Zn 산화물막;
상기 제2 In-Ga-Zn 산화물막 위의 한 쌍의 전극으로서, 상기 한 쌍의 전극은 구리를 포함하는, 상기 한 쌍의 전극; 및
상기 한 쌍의 전극 위의 제1 산화물 절연막을 포함하고.
상기 제1 산화물 절연막은 상기 제2 In-Ga-Zn 산화물막과 접하는 영역을 갖고,
상기 제1 In-Ga-Zn 산화물막은 In, Ga, 및 Zn을 1:1:1의 원자수비로 포함하는 제1 금속 산화물 타깃을 사용하여 형성되고,
상기 제2 In-Ga-Zn 산화물막은 In, Ga, 및 Zn을 1:3:6의 원자수비로 포함하는 제2 금속 산화물 타깃을 사용하여 형성되고,
상기 제2 In-Ga-Zn 산화물막은 비단결정 구조를 갖고 c축 배향된 결정들을 포함하는, 반도체 장치. - 제1항 또는 제2항에 있어서,
상기 한 쌍의 전극 각각은 상기 게이트 절연막의 상면과 접하는 영역을 갖는, 반도체 장치. - 반도체 장치로서,
게이트 전극;
상기 게이트 전극 위의 게이트 절연막;
상기 게이트 절연막 위의 제1 In-Ga-Zn 산화물막;
상기 제1 In-Ga-Zn 산화물막 위에서 접하는 제2 In-Ga-Zn 산화물막; 및
상기 제2 In-Ga-Zn 산화물막 위에서 접하는 한 쌍의 전극을 포함하고,
상기 한 쌍의 전극은 구리를 포함하고,
상기 게이트 절연막은 질화물 절연막 및 상기 질화물 절연막 위에 제공되는 산화물 절연막을 포함하고,
상기 제1 In-Ga-Zn 산화물막은 In, Ga, 및 Zn을 1:1:1의 원자수비로 포함하는 제1 금속 산화물 타깃을 사용하여 형성되고,
상기 제2 In-Ga-Zn 산화물막은 In, Ga, 및 Zn을 1:3:6의 원자수비로 포함하는 제2 금속 산화물 타깃을 사용하여 형성되고,
상기 제2 In-Ga-Zn 산화물막은 비단결정 구조를 갖고 c축 배향된 결정들을 포함하는, 반도체 장치. - 제4항에 있어서,
상기 한 쌍의 전극 각각은 상기 산화물 절연막의 상면과 접하는 영역을 갖는, 반도체 장치. - 제1항, 제2항, 및 제4항 중 어느 한 항에 있어서,
상기 제1 In-Ga-Zn 산화물막은 미결정 구조를 갖는, 반도체 장치. - 제1항, 제2항, 및 제4항 중 어느 한 항에 있어서,
상기 게이트 전극은 크롬, 구리, 알루미늄, 금, 은, 몰리브덴, 탄탈륨, 티타늄, 텅스텐으로부터 선택된 금속 원소들을 포함하는 2층 이상의 적층 구조를 갖는, 반도체 장치. - 제1항, 제2항, 및 제4항 중 어느 한 항에 있어서,
상기 한 쌍의 전극 중 하나에 전기적으로 접속되는 화소 전극; 및
상기 화소 전극 위의 액정층을 더 포함하는, 반도체 장치.
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