KR20220057504A - 반도체 장치의 제조 방법 - Google Patents
반도체 장치의 제조 방법 Download PDFInfo
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Abstract
기판 위에 제 1 도전막을 형성하고, 제 1 도전막 위에 제 1 절연막을 형성하고, 제 1 절연막 위에 반도체막을 형성하고, 반도체막의 적어도 일부를 에칭하여 채널 영역을 포함한 반도체막을 형성하고, 채널 영역을 포함한 반도체막 위에 제 2 절연막을 형성하고, 제 2 절연막 위에 마스크를 형성하고, 제 2 절연막 중 채널 영역을 포함한 반도체막과 중첩되며 마스크와 중첩되지 않는 제 1 부분을 제거함과 동시에, 제 1 절연막 및 제 2 절연막 중 마스크 및 채널 영역을 포함한 반도체막과 중첩되지 않는 제 2 부분을 제거하는 제 1 공정을 수행하고, 제 1 공정 후에 마스크를 제거하고, 제 2 절연막의 적어도 일부 위에 채널 영역을 포함한 반도체막에 전기적으로 접속되는 제 2 도전막을 형성한다.
Description
도 2는 본 발명의 일 형태인 반도체 장치의 제조 방법을 설명한 단면도.
도 3은 본 발명의 일 형태인 반도체 장치의 제조 방법을 설명한 단면도.
도 4는 본 발명의 일 형태인 반도체 장치의 제조 방법을 설명한 단면도.
도 5는 본 발명의 일 형태인 반도체 장치의 제조 방법을 설명한 단면도.
도 6은 본 발명의 일 형태인 반도체 장치의 제조 방법을 설명한 단면도.
도 7은 본 발명의 일 형태인 반도체 장치의 제조 방법을 설명한 단면도.
도 8은 본 발명의 일 형태인 반도체 장치의 제조 방법을 설명한 단면도.
도 9는 본 발명의 일 형태인 반도체 장치의 제조 방법을 설명한 단면도.
도 10은 본 발명의 일 형태인 반도체 장치의 제조 방법을 설명한 단면도.
도 11은 본 발명의 일 형태인 반도체 장치의 제조 방법을 설명한 단면도.
도 12는 본 발명의 일 형태인 반도체 장치의 제조 방법을 설명한 단면도.
도 13은 액정 표시 장치를 설명한 도면.
도 14는 전자 기기를 설명한 도면.
도 15는 본 발명의 일 형태인 반도체 장치의 제조 방법을 설명한 단면도.
102a: 도전막
102b: 도전막
104: 절연막
106: 반도체막
106a: 반도체막
106b: 반도체막
108: 절연막
110: 레지스트 마스크
111a: 개구
111b: 개구
111c: 개구
111d: 개구
114a: 도전막
114b: 도전막
114c: 도전막
114d: 도전막
150: 트랜지스터
160: 접속부
210: 레지스트 마스크
210a: 영역
210b: 영역
211a: 개구
211b: 개구
211c: 개구
211d: 개구
212: 레지스트 마스크
307: 레지스트 마스크
307a: 영역
307b: 영역
308b: 개구
309: 레지스트 마스크
311a: 개구
311b: 개구
311c: 개구
311d: 개구
312b: 개구
411a: 개구
411b: 개구
411c: 개구
411d: 개구
412: 레지스트 마스크
500: 절연막
502: 절연막
504: 도전막
504a: 도전막
506: 레지스트 마스크
506a: 영역
506b: 영역
507a: 개구
507c: 개구
508: 레지스트 마스크
510: 절연막
511a: 개구
511b: 개구
511c: 개구
512a: 도전막
512b: 도전막
550: 접속부
560: 접속부
610: 절연막
612a: 도전막
612b: 도전막
650: 접속부
660: 접속부
1000: 액정 표시 장치
1100: 터치 패널부
1111: 기판
1113: 도전막
1114: 컬러 필터
1115: 액정층
1121: 기판
1122: 전극
1123: 전극
1131: 기판
1155: 배향막
1156: 배향막
1161: 편광판
1162: 편광판
1163: 접착층
1165: 스페이서
1200: 드라이버
1201: 화소부
1202: 드라이버
1235: 도전막
1421: 실링 부재
1422: 도전막
1423: 도전막
1424: FPC
1431: 도전막
1432: 도전막
1433: FPC
7100: 텔레비전 장치
7101: 하우징
7102: 표시부
7103: 스탠드
7111: 리모트 컨트롤러
7200: 컴퓨터
7201: 본체
7202: 하우징
7203: 표시부
7204: 키보드
7205: 외부 접속 포트
7206: 포인팅 디바이스
7300: 휴대형 게임기
7301a: 하우징
7301b: 하우징
7302: 연결부
7303a: 표시부
7303b: 표시부
7304: 스피커부
7305: 기록 매체 삽입부
7306: 조작 키
7307: 접속 단자
7308: 센서
7400: 휴대 전화기
7401: 하우징
7402: 표시부
7403: 조작 버튼
7404: 외부 접속 포트
7405: 스피커
7406: 마이크
7500: 태블릿형 단말
7501a: 하우징
7501b: 하우징
7502a: 표시부
7502b: 표시부
7503: 축부
7504: 전원
7505: 조작 키
7506: 스피커
Claims (4)
- 반도체 장치에 있어서,
제 1 도전막;
상기 제 1 도전막의 상면 및 측면과 접촉하는 제 1 절연막;
상기 제 1 절연막의 상면과 접촉하고, 인듐, 갈륨 및 아연을 포함하는 제 1 산화물 반도체막;
상기 제 1 절연막의 상기 상면과 접촉하고, 인듐, 갈륨 및 아연을 포함하는 제 2 산화물 반도체막;
상기 제 1 산화물 반도체막의 상면 및 측면과 접촉하고, 상기 제 2 산화물 반도체막의 상면 및 측면과 접촉하는 제 2 절연막;
상기 제 2 절연막의 상면과 각각 접촉하는 제 2 도전막 및 제 3 도전막;
상기 제 2 도전막의 상면 및 상기 제 3 도전막의 상면과 접촉하는 제 3 절연막;
상기 제 3 절연막의 상면과 접촉하고, 평탄화막으로서의 기능을 갖는 제 4 절연막; 및
상기 제 4 절연막의 상면과 접촉하고, 투광성을 갖는 도전성 재료를 포함하는 제 4 도전막을 포함하고,
상기 제 2 도전막은 상기 제 2 절연막에 제공된 제 1 개구에서의 상기 제 1 산화물 반도체막의 상면과 접촉하는 제 1 영역을 가지고,
상기 제 1 영역은 상기 제 1 산화물 반도체막 및 상기 제 1 절연막을 통하여 상기 제 1 도전막과 중첩하고,
상기 제 2 도전막은 상기 제 1 절연막 및 상기 제 2 절연막에 제공된 제 2 개구에서의 상기 제 1 도전막의 상면과 접촉하는 제 2 영역을 가지고,
상기 제 2 절연막은 상기 제 3 도전막과 상기 제 2 산화물 반도체막을 잇기 위한 제 3 개구를 가지고,
상기 제 4 도전막은 상기 제 1 도전막, 상기 제 1 산화물 반도체막 및 상기 제 2 산화물 반도체막과 각각 중첩하는 영역을 가지고,
상기 제 1 도전막의 면적은 상기 제 1 산화물 반도체막의 면적 및 상기 제 2 도전막의 면적보다 큰, 반도체 장치. - 반도체 장치에 있어서,
제 1 도전막;
상기 제 1 도전막의 상면 및 측면과 접촉하는 제 1 절연막;
상기 제 1 절연막의 상면과 접촉하고, 인듐, 갈륨 및 아연을 포함하는 제 1 산화물 반도체막;
상기 제 1 절연막의 상기 상면과 접촉하고, 인듐, 갈륨 및 아연을 포함하는 제 2 산화물 반도체막;
상기 제 1 산화물 반도체막의 상면 및 측면과 접촉하고, 상기 제 2 산화물 반도체막의 상면 및 측면과 접촉하는 제 2 절연막;
상기 제 2 절연막의 상면과 각각 접촉하는 제 2 도전막 및 제 3 도전막;
상기 제 2 도전막의 상면 및 상기 제 3 도전막의 상면과 접촉하는 제 3 절연막;
상기 제 3 절연막의 상면과 접촉하고, 평탄화막으로서의 기능을 갖는 제 4 절연막; 및
상기 제 4 절연막의 상면과 접촉하고, 투광성을 갖는 도전성 재료를 포함하는 제 4 도전막을 포함하고,
상기 제 2 도전막은 상기 제 2 절연막에 제공된 제 1 개구에서의 상기 제 1 산화물 반도체막의 상면과 접촉하는 제 1 영역을 가지고,
상기 제 1 영역은 상기 제 1 산화물 반도체막 및 상기 제 1 절연막을 통하여 상기 제 1 도전막과 중첩하고,
상기 제 2 도전막은 상기 제 1 절연막 및 상기 제 2 절연막에 제공된 제 2 개구에서의 상기 제 1 도전막의 상면과 접촉하는 제 2 영역을 가지고,
상기 제 2 개구의 측면은 단면이 계단식이고,
상기 제 2 절연막은 상기 제 3 도전막과 상기 제 2 산화물 반도체막을 잇기 위한 제 3 개구를 가지고,
상기 제 4 도전막은 상기 제 1 도전막, 상기 제 1 산화물 반도체막 및 상기 제 2 산화물 반도체막과 각각 중첩하는 영역을 가지고,
상기 제 1 도전막의 면적은 상기 제 1 산화물 반도체막의 면적 및 상기 제 2 도전막의 면적보다 큰, 반도체 장치. - 제 1 항 또는 제 2 항에 있어서,
상기 제 1 절연막, 상기 제 2 절연막 및 상기 제 3 절연막 각각은 같은 재료를 갖는, 반도체 장치. - 제 1 항 또는 제 2 항에 있어서,
상기 제 2 개구의 상면은 상기 제 2 개구의 하면보다 넓은, 반도체 장치.
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