KR20230053723A - 반도체 장치 - Google Patents
반도체 장치 Download PDFInfo
- Publication number
- KR20230053723A KR20230053723A KR1020237012375A KR20237012375A KR20230053723A KR 20230053723 A KR20230053723 A KR 20230053723A KR 1020237012375 A KR1020237012375 A KR 1020237012375A KR 20237012375 A KR20237012375 A KR 20237012375A KR 20230053723 A KR20230053723 A KR 20230053723A
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- South Korea
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- electrode
- transistor
- gate electrode
- film
- semiconductor layer
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- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/6755—Oxide semiconductors, e.g. zinc oxide, copper aluminium oxide or cadmium stannate
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- H10D30/67—Thin-film transistors [TFT]
- H10D30/6704—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
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- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/673—Thin-film transistors [TFT] characterised by the electrodes characterised by the shapes, relative sizes or dispositions of the gate electrodes
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- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/673—Thin-film transistors [TFT] characterised by the electrodes characterised by the shapes, relative sizes or dispositions of the gate electrodes
- H10D30/6733—Multi-gate TFTs
- H10D30/6734—Multi-gate TFTs having gate electrodes arranged on both top and bottom sides of the channel, e.g. dual-gate TFTs
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- H10D30/6755—Oxide semiconductors, e.g. zinc oxide, copper aluminium oxide or cadmium stannate
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- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
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- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/517—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers
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Abstract
Description
도 2의 (a) 및 (b) 각각은 실시 형태의 반도체 장치의 구성예를 도시하고;
도 3의 (a) 내지 (d) 각각은 실시 형태의 계산에 사용한 구조 모델을 도시하고;
도 4의 (a) 및 (b) 각각은 실시 형태의 트랜지스터 특성의 계산 결과를 도시하고;
도 5의 (a) 및 (b) 각각은 실시 형태의 트랜지스터 특성의 계산 결과를 도시하고;
도 6의 (a) 내지 (c) 각각은 실시 형태의 트랜지스터 특성의 계산 결과를 도시하고;
도 7은 실시 형태의 밴드 구조의 계산 결과를 도시하고;
도 8의 (a) 및 (b) 각각은 실시 형태의 트랜지스터 특성의 계산 결과를 도시하고;
도 9의 (a) 내지 (d) 각각은 실시 형태의 계산에 사용한 구조 모델을 도시하고;
도 10의 (a) 및 (b) 각각은 실시 형태의 트랜지스터 특성의 계산 결과를 도시하고;
도 11의 (a) 및 (b) 각각은 실시 형태의 트랜지스터 특성의 계산 결과를 도시하고;
도 12의 (a) 내지 (d) 각각은 실시 형태의 트랜지스터 특성의 계산 결과를 도시하고;
도 13의 (a) 내지 (d) 각각은 실시 형태의 트랜지스터 특성의 계산 결과를 도시하고;
도 14의 (a) 내지 (d) 각각은 실시 형태의 트랜지스터 특성의 계산 결과를 도시하고;
도 15의 (a) 내지 (c)는 실시 형태의 반도체 장치의 구성예를 도시하고;
도 16의 (a) 내지 (c) 각각은 실시 형태의 반도체 장치의 구성예를 도시하고;
도 17의 (a) 내지 (e)는 실시 형태의 반도체 장치의 제조 방법의 예를 도시하고;
도 18의 (a) 및 (b)는 실시 형태의 반도체 장치의 구성예를 도시하고;
도 19의 (a) 및 (b)는 실시 형태의 반도체 장치의 구성예를 도시하고;
도 20의 (a) 및 (b)는 실시 형태의 반도체 장치의 구성예를 도시하고;
도 21의 (a) 및 (b)는 실시 형태의 반도체 장치의 구성예를 도시하고;
도 22의 (a) 및 (b)는 실시 형태의 반도체 장치의 구성예를 도시하고;
도 23의 (a) 및 (b)는 실시 형태의 반도체 장치의 구성예를 도시하고;
도 24의 (a) 및 (b)는 실시 형태의 반도체 장치의 구성예를 도시하고;
도 25의 (a) 및 (b) 각각은 실시 형태의 전력 변환 회로의 구성예를 도시하고;
도 26은 실시 형태의 전력 변환 회로의 구성예를 도시하고;
도 27은 실시 형태의 전원 회로의 구성예를 도시하고;
도 28은 실시 형태의 전원 회로의 구성예를 도시하고;
도 29의 (a) 및 (b) 각각은 실시 형태의 버퍼 회로의 구성예를 도시하고;
도 30은 실시 형태의 메모리 장치의 회로도이고;
도 31의 (a) 내지 (c)는 실시 형태의 표시 패널의 구성을 도시하고;
도 32의 (a) 내지 (d) 각각은 실시 형태의 전자 기기를 도시하고;
도 33의 (a) 내지 (d) 각각은 실시 형태의 전자 기기의 외관도이고;
도 34의 (a) 내지 (c)는 산화물 반도체의 고분해능 단면 TEM 상 및 국소적인 푸리에 변환 상이다.
도 35의 (a) 및 (b)는 산화물 반도체 막의 나노 빔 전자 회절 패턴을 도시하고 도 35의 (c) 및 (d)는 투과 전자 회절 측정 장치의 일례를 도시하고;
도 36은 전자 빔 조사에 의한 결정부의 변화를 도시하고;
도 37의 (a)는 투과 전자 회절 측정에 의한 구조 해석의 일례를 도시하고 도 37의 (b) 및 (c)는 고분해능 평면 TEM 상을 도시한다.
구조적 파라미터 | 채널 길이(L) 채널 폭(W) |
0.5 ㎛ 1.0 ㎛ |
게이트 절연층(GI1, GI2) | 비유전율 두께 | 4.1 20 nm |
산화물 반도체층(OS) | 전자 친화도 Eg 비유전율 도너 밀도 도너 밀도(SD 아래) 전자 이동도 홀 이동도 Nc Nv 두께 |
4.6 eV 3.2 eV 15 6.6E-09 cm-3 5.0E+18 cm-3 15.0 cm2/Vs 0.01 cm2/Vs 5.0E+18 cm-3 5.0E+18 cm-3 15.0 nm |
게이트 전극(GE1) | 일 함수 인가 전압 |
5.0 eV -3.0 ~ 3.0 V |
게이트 전극(GE2, GE3) | 일 함수 두께 인가 전압 |
5.0 eV 100 nm -1.0 V |
소스, 드레인 | 일 함수 인가 전압(Source) 인가 전압(Drain) |
4.6 eV 0.0 V 0.1, 3.0 V |
구조적 파라미터 | 채널 길이(L) 채널 폭(W) |
1.0, 2.0, 5.0, 10.0 ㎛ 1.0 ㎛ |
게이트 절연층(GI1) | 비유전율 두께 | 4.1 20 nm |
게이트 절연층(GI2) | 비유전율 두께 | 4.1 300 nm |
산화물 반도체층(OS) | 전자 친화도 Eg 비유전율 도너 밀도 도너 밀도(SD 아래) 전자 이동도 홀 이동도 Nc Nv 두께 |
4.6 eV 3.2 eV 15 6.6E-09 cm-3 5.0E+18 cm-3 15.0 cm2/Vs 0.01 cm2/Vs 5.0E+18 cm-3 5.0E+18 cm-3 15.0 nm |
게이트 전극(GE1) | 일 함수 인가 전압 |
5.0 eV -3.0 ~ 3.0 V |
게이트 전극(GE2) | 일 함수 두께 인가 전압 |
5.0 eV 100 nm -15.0 V |
소스, 드레인 | 일 함수 인가 전압(Source) 인가 전압(Drain) |
4.6 eV 0.0 V 0.1, 3.0 V |
101: 기판
102: 반도체층
103: 전극
103a: 전극
103b: 전극
104: 절연층
105: 게이트 전극
105a: 게이트 전극
105b: 게이트 전극
105c: 게이트 전극
106: 절연층
107: 절연층
108: 절연층
109: 절연층
111a: 배선
111b: 배선
112b: 배선
112c: 배선
200: 트랜지스터
210: 트랜지스터
220: 트랜지스터
230: 트랜지스터
240: 트랜지스터
400: 전원 회로
401: 파워 스위치
402: 파워 스위치
403: 전압 조정기
404: 축전 장치
405: 보조 전원
406: 전압 발생 회로
407: 트랜지스터
408: 트랜지스터
409: 트랜지스터
410: 트랜지스터
411: 무선 신호 입력 회로
413: 제어 회로
414: 용량 소자
415: 용량 소자
416: 전원
417: 부하
501: DC-DC 컨버터
502: 용량 소자
503: 트랜지스터
504: 제어 회로
505: 다이오드
506: 코일
507: 용량 소자
508: 부하
511: DC-DC 컨버터
512: 용량 소자
513: 트랜지스터
514: 제어 회로
515: 변압기
516: 다이오드
517: 용량 소자
518: 부하
601: 인버터
602: 트랜지스터
603: 트랜지스터
604: 트랜지스터
605: 트랜지스터
606: 제어 회로
701: 버퍼 회로
702: 구동 회로
711: 트랜지스터
712: 트랜지스터
713: 인버터
715: 전원
716: 전원
721: 파워 스위치
722: IGBT
900: 기판
901: 화소부
902: 주사선 구동 회로
903: 주사선 구동 회로
904: 신호선 구동 회로
910: 용량 배선
912: 게이트 배선
913: 게이트 배선
914: 드레인 전극층
916: 트랜지스터
917: 트랜지스터
918: 액정 소자
919: 액정 소자
920: 화소
921: 스위칭용 트랜지스터
922: 구동용 트랜지스터
923: 용량 소자
924: 발광 소자
925: 신호선
926: 주사선
927: 전원선
928: 공통 전극
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: 마이크
1035: 조작 키
1036: 포인팅 디바이스
1037: 카메라용 렌즈
1038: 외부 접속 단자
1040: 태양 전지 셀
1041: 외부 메모리 슬롯
1050: 텔레비전 장치
1051: 하우징
1052: 저장 매체 기록 재생부
1053: 표시부
1054: 외부 접속 단자
1055: 스탠드
1056: 외부 메모리
1400: 전자레인지
1401: 하우징
1402: 처리실
1403: 표시부
1404: 입력 장치
1405: 조사부
1410: 세탁기
1411: 하우징
1412: 개폐부
1413: 입력 장치
1414: 급수구
1451: 하우징
1452: 냉장실용 도어
1453: 냉동실용 도어
1460: 실내기
1461: 하우징
1462: 송풍구
1464: 실외기
3001: 배선
3002: 배선
3003: 배선
3004: 배선
3005: 배선
3200: 트랜지스터
3300: 트랜지스터
3400: 용량 소자
Claims (4)
- 반도체 장치로서,
기판 위의 제2 게이트 전극;
상기 제2 게이트 전극 위의 반도체층;
각각이 상기 반도체층 위에서 상기 반도체층과 접하는 소스 전극 및 드레인 전극; 및
상기 소스 전극 및 상기 드레인 전극 위의 제1 게이트 전극을 포함하고,
상기 제1 게이트 전극은 상기 소스 전극 및 상기 드레인 전극 모두와 중첩되고,
채널 길이 방향에서, 상기 반도체층의 양쪽 끝들은 상기 제1 게이트 전극의 양쪽 끝들을 넘어 연장되고,
상기 채널 길이 방향에서, 상기 제2 게이트 전극의 한쪽 끝은 상기 반도체층의 상기 양쪽 끝들 중 하나를 넘어 연장되는, 반도체 장치. - 반도체 장치로서,
기판 위의 제2 게이트 전극;
상기 제2 게이트 전극 위의 반도체층;
각각이 상기 반도체층 위에서 상기 반도체층과 접하는 소스 전극 및 드레인 전극; 및
상기 소스 전극 및 상기 드레인 전극 위의 제1 게이트 전극을 포함하고,
상기 제1 게이트 전극은 상기 소스 전극 및 상기 드레인 전극 모두와 중첩되고,
채널 길이 방향에서, 상기 반도체층의 양쪽 끝들은 상기 제1 게이트 전극의 양쪽 끝들을 넘어 연장되고,
상기 채널 길이 방향에서, 상기 제2 게이트 전극의 한쪽 끝은 상기 반도체층의 상기 양쪽 끝들 중 하나를 넘어 연장되고,
상기 제1 게이트 전극, 상기 제2 게이트 전극, 상기 소스 전극 및 상기 드레인 전극 각각은 채널 폭 방향으로 연장되는, 반도체 장치. - 제1항 또는 제2항에 있어서,
상기 제2 게이트 전극과 상기 반도체층 사이, 및 상기 반도체층과 상기 제1 게이트 전극 사이에 게이트 절연층이 제공되는, 반도체 장치. - 제1항 또는 제2항에 있어서,
상기 반도체층은 산화물 반도체층인, 반도체 장치.
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US20200127137A1 (en) | 2020-04-23 |
KR102522133B1 (ko) | 2023-04-17 |
WO2014208476A1 (en) | 2014-12-31 |
TW201511282A (zh) | 2015-03-16 |
US11581439B2 (en) | 2023-02-14 |
US20150001532A1 (en) | 2015-01-01 |
KR102269460B1 (ko) | 2021-06-28 |
JP2022140459A (ja) | 2022-09-26 |
KR20160026900A (ko) | 2016-03-09 |
JP6689358B2 (ja) | 2020-04-28 |
JP2019057732A (ja) | 2019-04-11 |
US20230178656A1 (en) | 2023-06-08 |
JP2020141139A (ja) | 2020-09-03 |
KR20220020423A (ko) | 2022-02-18 |
KR20210079411A (ko) | 2021-06-29 |
JP6461497B2 (ja) | 2019-01-30 |
TWI661558B (zh) | 2019-06-01 |
JP2015046576A (ja) | 2015-03-12 |
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