KR102135306B1 - 최대화된 컴플라이언스 및 자유 표면 완화를 갖는 Ge 및 III-V족 채널 반도체 소자들 - Google Patents
최대화된 컴플라이언스 및 자유 표면 완화를 갖는 Ge 및 III-V족 채널 반도체 소자들 Download PDFInfo
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- KR102135306B1 KR102135306B1 KR1020167004101A KR20167004101A KR102135306B1 KR 102135306 B1 KR102135306 B1 KR 102135306B1 KR 1020167004101 A KR1020167004101 A KR 1020167004101A KR 20167004101 A KR20167004101 A KR 20167004101A KR 102135306 B1 KR102135306 B1 KR 102135306B1
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- H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
- H10D84/82—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components
- H10D84/83—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components of only insulated-gate FETs [IGFET]
- H10D84/834—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components of only insulated-gate FETs [IGFET] comprising FinFETs
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- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/102—Material of the semiconductor or solid state bodies
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- H01L2924/10251—Elemental semiconductors, i.e. Group IV
- H01L2924/10252—Germanium [Ge]
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Abstract
Description
도 1b는 그 상의 게이트 라인과 소스/드레인 콘택트들을 갖는, 도 1a의 Ge/III-V-on Si 비평면 소자의 평면도를 도해한다.
도 1c는 본 발명의 실시예에 따라서, 다양한 소자 아키텍처들에 대한 상대적 클래딩 층 파라미터들을 보여주는 플롯이다.
도 2a-2c는 본 발명의 실시예에 따라서, 유지된 2 x 게이트 피치 조절을 가진 짧은 핀 소자를 제조하는 방법에서의 다양한 공정들의 단면도들을 도해하는데, 여기서:
도 2a는 2 x 게이트 피치의 전체 길이를 갖지만, 외곽 세그먼트들로부터 격리되는 중앙 세그먼트를 갖는 반도체 핀을 묘사하는 평면도와 단면도를 도해하고;
도 2b는 도 2a의 구조상에서의 클래딩 층의 성장을 묘사하는 단면도를 도해하고; 및
도 2c는 도 2b의 구조상에서의 게이트 라인과 소스/드레인 콘택트들의 형성을 묘사하는 단면도를 도해한다.
도 3a-3d는 본 발명의 실시예에 따라서, 축을 이룬 채널 성장과 유지된 2 x 게이트 피치 조절에 의해 핀 소자를 제조하는 방법에서의 다양한 공정들의 단면도들을 도해하며, 여기서:
도 3a는 2 x 게이트 피치의 전체 길이를 갖지만, 외곽 세그먼트들로부터 격리되는 중앙 세그먼트를 갖는 반도체 핀을 묘사하는 평면도와 단면도를 도해하고;
도 3b는 도 3a의 핀의 중앙 세그먼트의 리세싱을 묘사하는 단면도를 도해하고;
도 3c는 도 3b의 구조상에서의 클래딩 층의 성장을 묘사하는 단면도를 도해하고; 및
도 3d는 도 3c의 구조상에서의 게이트 라인과 소스/드레인 콘택트들의 형성을 묘사하는 단면도를 도해한다.
도 4는 본 발명의 실시예에 따라서, 클래딩 층 조성의 함수로서의 시뮬레이팅된 에피택셜 층 응력(GPa 단위)의 플롯이다.
도 5a는 본 발명의 실시예에 따라서, 최대화된 컴플라이언스와 자유 표면 완화를 갖는 Ge 또는 III-V족 채널 반도체 소자의 단면도를 도해한다.
도 5b는 본 발명의 실시예에 따라서, 도 5a의 반도체 소자의 a-a' 축을 따라 취한 평면도를 도해한다.
도 6은 본 발명의 한 구현에 따른 컴퓨팅 디바이스를 도해한다.
Claims (21)
- 반도체 소자로서:
반도체 기판 위에 배치되는 반도체 핀 - 상기 반도체 핀은 격리 층에 의해 상기 반도체 핀의 길이를 따라 돌출 외곽 세그먼트들의 쌍과 이격되는 중앙 돌출 세그먼트를 갖는 3개의 세그먼트로 절단됨 -;
상기 반도체 핀의 중앙 돌출 세그먼트 상에 형성되는 제1 클래딩 층 영역;
상기 돌출 외곽 세그먼트들의 쌍 중 하나의 세그먼트 상에 형성되는 제2 클래딩 층 영역;
상기 돌출 외곽 세그먼트들의 쌍 중 다른 세그먼트 상에 형성되는 제3 클래딩 층 영역 - 상기 제2 클래딩 영역 및 제3 클래딩 영역은, 상기 반도체 핀의 상기 중앙 돌출 세그먼트 상에 배치되는 클래딩 층 영역과 분리(discrete)되어 있지만 클래딩 층 영역에 근접해 있음 -;
상기 클래딩 층 영역 상에 배치되는 게이트 스택; 및
상기 반도체 핀의 상기 돌출 외곽 세그먼트들의 쌍 내에 배치되는 소스/드레인 영역들
을 포함하는 반도체 소자. - 삭제
- 제1항에 있어서, 상기 반도체 핀 및 상기 클래딩 층 영역은 함께 컴플라이언트 기판(compliant substrate)을 제공하는 반도체 소자.
- 제1항에 있어서, 상기 중앙 돌출 세그먼트는 격리 층에 의해 상기 돌출 외곽 세그먼트들의 쌍과 이격되는 반도체 소자.
- 제1항에 있어서, 상기 반도체 핀은 본질적으로 실리콘으로 구성되고, 상기 클래딩 층 영역은 본질적으로 게르마늄으로 구성되는 반도체 소자.
- 제4항에 있어서, 상기 반도체 소자는 PMOS 소자인 반도체 소자.
- 제1항에 있어서, 상기 반도체 핀은 본질적으로 실리콘으로 구성되고, 상기 클래딩 층 영역은 본질적으로 III-V족 물질로 구성되는 반도체 소자.
- 제7항에 있어서, 상기 반도체 소자는 NMOS 소자인 반도체 소자.
- 반도체 소자로서:
반도체 기판 위에 배치되는 반도체 핀 - 상기 반도체 핀은 격리 층에 의해 상기 반도체 핀의 길이를 따라 돌출 외곽 세그먼트들의 쌍과 이격되는 중앙의 리세싱된 세그먼트를 갖는 3개의 세그먼트로 절단됨 -;
상기 반도체 핀의 중앙의 리세싱된 세그먼트 상에 형성되는 제1 클래딩 층 영역;
상기 돌출 외곽 세그먼트들의 쌍 중 하나의 세그먼트 상에 형성되는 제2 클래딩 층 영역;
상기 돌출 외곽 세그먼트들의 쌍 중 다른 세그먼트 상에 형성되는 제3 클래딩 층 영역 - 상기 제2 클래딩 영역 및 제3 클래딩 영역은, 상기 반도체 핀의 중앙의 리세싱된 세그먼트 상에 배치되는 클래딩 층 영역과 분리되어 있지만 클래딩 층 영역에 근접해 있음 -;
상기 클래딩 층 영역 상에 배치되는 게이트 스택; 및
상기 반도체 핀의 상기 돌출 외곽 세그먼트들의 쌍 내에 배치되는 소스/드레인 영역들
을 포함하는 반도체 소자. - 삭제
- 제9항에 있어서, 상기 반도체 핀 및 상기 클래딩 층 영역은 함께 컴플라이언트 기판을 제공하는 반도체 소자.
- 제9항에 있어서, 상기 중앙의 리세싱된 세그먼트는 격리 층에 의해 상기 돌출 외곽 세그먼트들의 쌍과 이격되는 반도체 소자.
- 제9항에 있어서, 상기 반도체 핀은 본질적으로 실리콘으로 구성되고, 상기 클래딩 층 영역은 본질적으로 게르마늄으로 구성되는 반도체 소자.
- 제13항에 있어서, 상기 반도체 소자는 PMOS 소자인 반도체 소자.
- 제14항에 있어서, 상기 반도체 핀은 본질적으로 실리콘으로 구성되고, 상기 클래딩 층 영역은 본질적으로 III-V족 물질로 구성되는 반도체 소자.
- 제15항에 있어서, 상기 반도체 소자는 NMOS 소자인 반도체 소자.
- 반도체 소자를 제조하는 방법으로서:
기판 위에 반도체 핀을 형성하는 단계;
상기 반도체 핀의 길이를 따라 돌출 외곽 세그먼트들의 쌍과 이격되는 중앙 돌출 세그먼트를 제공하기 위해 상기 반도체 핀을 에칭하는 단계;
상기 중앙 돌출 세그먼트와 상기 돌출 외곽 세그먼트들의 쌍의 각각의 세그먼트 사이에 격리 층을 형성하는 단계 - 상기 격리 층은 상기 중앙 돌출 세그먼트의 상부 면 아래에 상부 면을 가짐 -;
상기 격리 층을 형성하는 단계 이후에, 상기 반도체 핀의 노출 면들 상에 클래딩 층을 형성하는 단계;
상기 클래딩 층 상에 게이트 스택을 형성하는 단계; 및
상기 반도체 핀의 상기 돌출 외곽 세그먼트들의 쌍 내에 소스/드레인 영역들을 형성하는 단계
를 포함하고,
상기 클래딩 층 영역을 형성하는 단계는 상기 중앙 돌출 세그먼트 상에 제1 클래딩 층 영역을 형성하는 단계, 상기 돌출 외곽 세그먼트들의 쌍 중 하나의 세그먼트 상에 제2 클래딩 층 영역을 형성하는 단계, 및 상기 돌출 외곽 세그먼트들의 쌍 중 다른 세그먼트 상에 제3 클래딩 층 영역을 형성하는 단계를 포함하고, 상기 제2 클래딩 영역 및 제3 클래딩 영역은 상기 제1 클래딩 층 영역과 분리되어 있지만 제1 클래딩 층 영역과 근접해 있는 방법. - 제17항에 있어서,
상기 격리 층을 형성하는 단계 이후에 그리고 상기 클래딩 층을 형성하는 단계 전에, 상기 격리 층의 상부 면까지 상기 중앙 돌출 세그먼트를 리세싱하는 단계
를 더 포함하는 방법. - 삭제
- 삭제
- 제17항에 있어서, 상기 반도체 핀의 노출 면들 상에 클래딩 층을 형성하는 단계는 컴플라이언트 기판을 제공하는 방법.
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2013
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- 2013-09-27 US US14/914,102 patent/US9570614B2/en active Active
- 2013-09-27 WO PCT/US2013/062447 patent/WO2015047342A1/en active Application Filing
- 2013-09-27 CN CN201380079044.1A patent/CN105793967B/zh active Active
- 2013-09-27 KR KR1020167004101A patent/KR102135306B1/ko active Active
- 2013-09-27 EP EP13894881.5A patent/EP3050091B1/en not_active Not-in-force
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2014
- 2014-09-18 TW TW105117201A patent/TWI600152B/zh active
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TW201519439A (zh) | 2015-05-16 |
TWI600152B (zh) | 2017-09-21 |
EP3050091A4 (en) | 2017-05-10 |
US9905651B2 (en) | 2018-02-27 |
TW201701466A (zh) | 2017-01-01 |
CN110071168B (zh) | 2022-08-16 |
US20160204246A1 (en) | 2016-07-14 |
SG11201601319QA (en) | 2016-03-30 |
CN110071168A (zh) | 2019-07-30 |
CN105793967A (zh) | 2016-07-20 |
US9570614B2 (en) | 2017-02-14 |
EP3050091B1 (en) | 2019-04-10 |
TWI544624B (zh) | 2016-08-01 |
WO2015047342A1 (en) | 2015-04-02 |
KR20160061976A (ko) | 2016-06-01 |
CN105793967B (zh) | 2019-03-12 |
US20170125524A1 (en) | 2017-05-04 |
EP3050091A1 (en) | 2016-08-03 |
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