KR101945171B1 - 반도체 장치 - Google Patents
반도체 장치 Download PDFInfo
- Publication number
- KR101945171B1 KR101945171B1 KR1020187004930A KR20187004930A KR101945171B1 KR 101945171 B1 KR101945171 B1 KR 101945171B1 KR 1020187004930 A KR1020187004930 A KR 1020187004930A KR 20187004930 A KR20187004930 A KR 20187004930A KR 101945171 B1 KR101945171 B1 KR 101945171B1
- Authority
- KR
- South Korea
- Prior art keywords
- oxide semiconductor
- layer
- semiconductor layer
- transistor
- oxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000001720 vestibular Effects 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- OYQCBJZGELKKPM-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O-2].[Zn+2].[O-2].[In+3] OYQCBJZGELKKPM-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
도 2a 내지 도 2e는 본 발명의 일 실시예를 도시하는 단면 공정도.
도 3a 내지 도 3d는 본 발명의 일 실시예를 도시하는 단면 공정도.
도 4a 내지 도 4e는 본 발명의 일 실시예를 도시하는 단면 공정도.
도 5a 및 도 5b는 본 발명의 일 실시예를 도시하는 단면 공정도.
도 6은 본 발명의 일 실시예를 도시하는 단면도.
도 7은 본 발명의 일 실시예를 도시하는 단면도.
도 8은 본 발명의 일 실시예를 도시하는 등가 회로도.
도 9a 및 도 9b는 본 발명의 일 실시예를 도시하는 상면도 및 단면도.
도 10a 및 도 10b는 본 발명의 일 실시예를 도시하는 상면도 및 단면도.
도 11은 본 발명의 일 실시예를 도시하는 단면도.
도 12a 내지 도 12e는 전자 기기의 예들을 도시하는 도면.
도 13은 전자 기기의 예를 도시하는 도면.
104 : 제 1 산화물 반도체층 104a : 섬형의 제 1 산화물 반도체층
105 : 제 2 산화물 반도체층 106 : 제 2 산화물 반도체층
106a : 섬형의 제 2 산화물 반도체층 108 : 도전층
108a : 소스 전극층 108b : 드레인 전극층
112 : 게이트 절연층 114 : 게이트 전극층
116 : 층간 절연층 118 : 층간 절연층
150 : 트랜지스터 200 : 기판
206 : 소자 분리 절연층 208a : 게이트 절연층
210a : 게이트 전극층 214 : 불순물 영역
216 : 채널 형성 영역 218 : 사이드월 절연층
220 : 고농도 불순물 영역 224 : 금속 화합물 영역
226 : 층간 절연층 228 : 층간 절연층
230a : 소스 또는 드레인 전극층 230b : 소스 또는 드레인 전극층
230c : 전극 234 : 절연층
236a : 전극 236b : 전극
236c : 전극 250 : 트랜지스터
254a : 전극 254b : 전극
254c : 전극 254d : 전극
254e : 전극 256 : 절연층
258a : 전극 258b : 전극
258c : 전극 258d : 전극
300 : 트랜지스터 302 : 트랜지스터
400 : 기판 401 : 게이트 전극층
402 : 게이트 절연층 404 : 제 1 산화물 반도체층
404a : 섬형의 제 1 산화물 반도체층
406 : 제 2 산화물 반도체층 404a : 섬형의 제 2 산화물 반도체층
408a : 소스 전극층 408b : 드레인 전극층
412 : 산화물 절연층 414 : 전극층
416 : 층간 절연층 418 : 층간 절연층
450 : 트랜지스터 451 : 트랜지스터
500 : 기판 501 : 게이트 전극층
502 : 게이트 절연층 504a : 섬형의 제 1 산화물 반도체층
506a : 섬형의 제 2 산화물 반도체층
508a : 소스 전극층 508b : 드레인 전극층
516 : 층간 절연층 518 : 층간 절연층
520 : 섬형의 산화물 절연층 550 : 트랜지스터
580 : 제 1 기판 581 : 트랜지스터
583 : 절연층 584 : 절연층
585 : 절연층 587 : 제 1 전극층
588 : 제 2 전극층 590a : 흑색 영역
590b : 백색 영역 594 : 캐비티
595 : 충전재 596 : 제 2 기판
2700 : 전자 서적 2701 : 하우징
2703 : 하우징 2705 : 표시부
2707 : 표시부 2711 : 축부
2721 : 전원 2723 : 조작 키
2725 : 스피커 2800 : 하우징
2801 : 하우징 2802 : 표시 패널
2803 : 스피커 2804 : 마이크로폰
2805 : 조작 키 2806 : 포인팅 디바이스
2807 : 카메라용 렌즈 2808 : 외부 접속 단자
2810 : 태양 전지 셀 2811 : 외부 메모리 슬롯
3001 : 본체 3002 : 하우징
3003 : 표시부 3004 : 키보드
3021 : 본체 3022 : 스타일러스
3023 : 표시부 3024 : 조작 버튼
3025 : 외부 인터페이스 3051 : 본체
3053 : 접안부 3054 : 조작 스위치
3055 : 표시부(B) 3056 : 배터리
3057 : 표시부(A) 4001 : 제 1 기판
4002 : 화소부 4003 : 신호선 구동 회로
4004 : 주사선 구동 회로 4005 : 씰재
4006 : 제 2 기판 4008 : 액정층
4010 : 트랜지스터 4011 : 트랜지스터
4013 : 액정 소자 4014 : 절연층
4015 : 접속 단자 전극 4016 : 단자 전극
4018 : FPC 4019 : 이방성 도전층
4020 : 절연층 4021 : 절연층
4030 : 화소 전극층 4031 : 대향 전극층
4032 : 절연층 4033 : 절연층
4035 : 스페이서 4040 : 도전층
4501 : 제 1 기판 4502 : 화소부
4503a : 신호선 구동 회로 4503b : 신호선 구동 회로
4504a : 주사선 구동 회로 4504b : 주사선 구동 회로
4505 : 씰재 4506 : 제 2 기판
4507 : 충전재 4509 : 트랜지스터
4510 : 트랜지스터 4511 : 발광 소자
4512 : 전계 발광층 4513 : 제 2 전극층
4514 : 보호 절연층 4515 : 접속 단자 전극
4516 : 단자 전극 4517 : 제 1 전극층
4518a : FPC 4518b : FPC
4519 : 이방성 전극층 4520 : 격벽
4540 : 도전층 4541 : 절연층
4544 : 절연층 9600 : 텔레비전 셋
9601 : 하우징 9603 : 표시부
9605 : 스탠드 9607 : 표시부
9609 : 조작 키 9610 : 리모콘 조작기
Claims (13)
- 반도체 장치에 있어서,
채널 형성 영역을 포함하는 산화물 반도체층을 포함하는 트랜지스터를 포함하고,
상기 산화물 반도체층은 인듐을 포함하고,
상기 산화물 반도체층은 결정성을 갖는 비단결정층이고,
상기 트랜지스터의 드레인 전압이 1V인 경우, 상기 트랜지스터의 오프-상태 전류는 1×10-13A 이하인, 반도체 장치. - 반도체 장치에 있어서,
채널 형성 영역을 포함하는 산화물 반도체층을 포함하는 트랜지스터를 포함하고,
상기 산화물 반도체층은 인듐을 포함하고,
상기 산화물 반도체층은 결정성을 갖는 비단결정층이고,
상기 트랜지스터의 드레인 전압이 1V인 경우, 상기 트랜지스터의 오프-상태 전류를 상기 트랜지스터의 채널 폭으로 나누어 획득된 값은 100 aA/㎛ 이하인, 반도체 장치. - 반도체 장치에 있어서,
채널 형성 영역을 포함하는 산화물 반도체층을 포함하는 트랜지스터를 포함하고,
상기 산화물 반도체층은 인듐을 포함하고,
상기 산화물 반도체층은 결정성을 갖는 비단결정층이고,
상기 트랜지스터의 드레인 전압이 1V인 경우, 상기 트랜지스터의 오프-상태 전류는 1×10-13A 이하이고,
상기 산화물 반도체층은 제 1 산화물 반도체층 및 제 2 산화물 반도체층의 적층을 포함하는, 반도체 장치. - 반도체 장치에 있어서,
채널 형성 영역을 포함하는 산화물 반도체층을 포함하는 트랜지스터를 포함하고,
상기 산화물 반도체층은 인듐을 포함하고,
상기 산화물 반도체층은 결정성을 갖는 비단결정층이고,
상기 트랜지스터의 드레인 전압이 1V인 경우, 상기 트랜지스터의 오프-상태 전류를 상기 트랜지스터의 채널 폭으로 나누어 획득된 값은 100 aA/㎛ 이하이고,
상기 산화물 반도체층은 제 1 산화물 반도체층 및 제 2 산화물 반도체층의 적층을 포함하는, 반도체 장치. - 반도체 장치에 있어서,
채널 형성 영역을 포함하는 산화물 반도체층을 포함하는 트랜지스터를 포함하고,
상기 산화물 반도체층은 인듐을 포함하고,
상기 산화물 반도체층은 결정성을 갖는 비단결정층이고,
상기 트랜지스터의 드레인 전압이 1V인 경우, 상기 트랜지스터의 오프-상태 전류는 1×10-13A 이하이고,
상기 채널 형성 영역의 표면의 높이의 차는 1 ㎚ 이하인, 반도체 장치. - 반도체 장치에 있어서,
채널 형성 영역을 포함하는 산화물 반도체층을 포함하는 트랜지스터를 포함하고,
상기 산화물 반도체층은 인듐을 포함하고,
상기 산화물 반도체층은 결정성을 갖는 비단결정층이고,
상기 트랜지스터의 드레인 전압이 1V인 경우, 상기 트랜지스터의 오프-상태 전류를 상기 트랜지스터의 채널 폭으로 나누어 획득된 값은 100 aA/㎛ 이하이고,
상기 채널 형성 영역의 표면의 높이의 차는 1 ㎚ 이하인, 반도체 장치. - 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 트랜지스터는 상기 산화물 반도체층 위의 게이트 전극을 포함하는, 반도체 장치. - 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 트랜지스터는 상기 산화물 반도체층 아래의 게이트 전극을 포함하는, 반도체 장치. - 반도체 장치에 있어서,
채널 형성 영역을 포함하는 산화물 반도체층을 포함하는 제 1 트랜지스터, 및
제 2 트랜지스터를 포함하고,
상기 산화물 반도체층은 인듐을 포함하고,
상기 산화물 반도체층은 결정성을 갖는 비단결정층이고,
상기 제 1 트랜지스터의 드레인 전압이 1V인 경우, 상기 제 1 트랜지스터의 오프-상태 전류는 1×10-13A 이하이고,
상기 제 1 트랜지스터의 소스 전극 및 드레인 전극 중 하나는 상기 제 2 트랜지스터의 게이트 전극에 전기적으로 접속되는, 반도체 장치. - 제 9 항에 있어서,
상기 제 1 트랜지스터의 상기 소스 전극 및 상기 드레인 전극 중 상기 하나가 상기 제 2 트랜지스터의 상기 게이트 전극에 전기적으로 접속되는 부분에 전하가 저장되는, 반도체 장치. - 반도체 장치에 있어서,
채널 형성 영역을 포함하는 산화물 반도체층을 포함하는 제 1 트랜지스터, 및
제 2 트랜지스터를 포함하고,
상기 산화물 반도체층은 인듐을 포함하고,
상기 산화물 반도체층은 결정성을 갖는 비단결정층이고,
상기 제 1 트랜지스터의 드레인 전압이 1V인 경우, 상기 제 1 트랜지스터의 오프-상태 전류를 상기 제 1 트랜지스터의 채널 폭으로 나누어 획득된 값은 100 aA/㎛ 이하이고,
상기 제 1 트랜지스터의 소스 전극 및 드레인 전극 중 하나는 상기 제 2 트랜지스터의 게이트 전극에 전기적으로 접속되는, 반도체 장치. - 제 11 항에 있어서,
상기 제 1 트랜지스터의 상기 소스 전극 및 상기 드레인 전극 중 상기 하나가 상기 제 2 트랜지스터의 상기 게이트 전극에 전기적으로 접속되는 부분에 전하가 저장되는, 반도체 장치. - 제 1 항 내지 제 6 항 및 제 9 항 내지 제 12 항 중 어느 한 항에 있어서,
상기 산화물 반도체층은 갈륨 및 아연을 포함하는, 반도체 장치.
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