KR102495587B1 - 관통 비아 구조체를 갖는 반도체 소자 - Google Patents
관통 비아 구조체를 갖는 반도체 소자 Download PDFInfo
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- KR102495587B1 KR102495587B1 KR1020160003482A KR20160003482A KR102495587B1 KR 102495587 B1 KR102495587 B1 KR 102495587B1 KR 1020160003482 A KR1020160003482 A KR 1020160003482A KR 20160003482 A KR20160003482 A KR 20160003482A KR 102495587 B1 KR102495587 B1 KR 102495587B1
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- insulating layer
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- semiconductor substrate
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 195
- 239000000758 substrate Substances 0.000 claims abstract description 130
- 230000000149 penetrating effect Effects 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims description 82
- 238000000034 method Methods 0.000 claims description 49
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 30
- 238000009413 insulation Methods 0.000 claims description 21
- 229910052710 silicon Inorganic materials 0.000 claims description 19
- 239000010703 silicon Substances 0.000 claims description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims description 15
- 239000010410 layer Substances 0.000 description 558
- 230000004888 barrier function Effects 0.000 description 118
- 229910052814 silicon oxide Inorganic materials 0.000 description 45
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 37
- 239000010949 copper Substances 0.000 description 30
- 239000011810 insulating material Substances 0.000 description 27
- 239000004020 conductor Substances 0.000 description 26
- 229910052802 copper Inorganic materials 0.000 description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 23
- 239000011241 protective layer Substances 0.000 description 22
- 239000007769 metal material Substances 0.000 description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 18
- 229910052751 metal Inorganic materials 0.000 description 18
- 239000002184 metal Substances 0.000 description 18
- 229910052760 oxygen Inorganic materials 0.000 description 17
- 229910052581 Si3N4 Inorganic materials 0.000 description 16
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 16
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 15
- 239000001301 oxygen Substances 0.000 description 15
- 238000009832 plasma treatment Methods 0.000 description 14
- 150000004767 nitrides Chemical class 0.000 description 12
- 229910052721 tungsten Inorganic materials 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 7
- 230000009977 dual effect Effects 0.000 description 7
- 238000005530 etching Methods 0.000 description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 7
- 239000010937 tungsten Substances 0.000 description 7
- 238000002955 isolation Methods 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- 239000004642 Polyimide Substances 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
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Abstract
Description
도 2는 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자의 일부를 나타낸 부분 확대도이다.
도 3은 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자의 일부를 나타낸 탑 뷰이다.
도 4는 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자의 다른 예를 나타낸 단면도이다.
도 5는 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자의 또 다른 예를 나타낸 단면도이다.
도 6은 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자의 또 다른 예를 나타낸 단면도이다.
도 7은 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자의 또 다른 예를 나타낸 단면도이다.
도 8은 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자의 또 다른 예를 나타낸 단면도이다.
도 9는 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자의 또 다른 예를 나타낸 단면도이다.
도 10은 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자의 또 다른 예를 나타낸 단면도이다.
도 11은 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자의 또 다른 예를 나타낸 단면도이다.
도 12는 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자의 일부를 나타낸 탑뷰이다.
도 13은 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자의 또 다른 예를 나타낸 단면도이다.
도 14는 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자의 또 다른 예를 나타낸 단면도이다.
도 15는 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자의 또 다른 예를 나타낸 단면도이다.
도 16a 내지 도 16k는 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자 형성 방법의 일 예를 나타낸 단면도들이다.
도 17a 내지 도 17j는 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자 형성 방법의 다른 예를 나타낸 단면도들이다.
도 18a 내지 도 18d는 본 발명의 기술적 사상의 일 실시 예에 따른 반도체 소자 형성 방법의 또 다른 예를 나타낸 단면도들이다.
9a, 9b, 109 : 제2 콘택 영역 12, 112 : 전면 하부 절연 층
12a : 도우프트 영역 18a, 18b, 19, 20 : 콘택 구조체
21 : 중간 절연 층 27 : 비아 홀
30 : 비아 절연 층 33 : 비아 배리어 패턴
36 : 비아 씨드 패턴 39 : 비아 도전성 패턴
40 : 제1 영역
45a, 145a : 도우프트 영역(=제2 영역)
45, 145 : 관통 비아 구조체 47 : 제1 금속간 절연 층
56 : 비아 패드 58, 59, 60 : 배선 구조체들
64 : 제2 금속간 절연 층 62, 70 : 절연성 배리어 층
72 : 전면 상부 절연 층 81 : 전면 도전성 패턴
84 : 후면 절연 층 96 : 후면 도전성 패턴
Claims (20)
- 서로 대향하는 제1 면 및 제2 면을 갖는 반도체 기판;
상기 반도체 기판의 상기 제1 면 상의 전면 하부 절연 층;
상기 반도체 기판의 상기 제2 면 상의 후면 절연 층;
상기 후면 절연 층, 상기 반도체 기판 및 상기 전면 하부 절연 층을 관통하는 관통 비아 구조체, 상기 관통 비아 구조체는 제1 영역 및 상기 제1 영역 상의 제2 영역을 포함하고, 상기 제2 영역은 상기 제1 영역 보다 제1 원소를 더 포함하고;
상기 관통 비아 구조체의 측면 상의 비아 절연 층; 및
상기 전면 하부 절연 층을 관통하는 콘택 구조체를 포함하고,
상기 관통 비아 구조체의 상기 제2 영역은 상기 제1 영역과 상기 전면 하부 절연층 사이에 개재되고, 상기 관통 비아 구조체의 상기 제2 영역은 상기 전면 하부 절연층과 이격된 반도체 소자. - 제 1 항에 있어서,
상기 전면 하부 절연 층 상의 금속간 절연 층;
상기 금속간 절연 층을 관통하며 상기 관통 비아 구조체와 전기적으로 연결되는 비아 패드; 및
상기 금속간 절연 층을 관통하며 상기 콘택 구조체와 전기적으로 연결되는 배선 구조체를 더 포함하는 반도체 소자. - 제 2 항에 있어서,
상기 비아 패드 및 상기 배선 구조체는 동일한 물질로 형성되고,
상기 비아 패드 및 상기 배선 구조체의 상부면들은 서로 동일 평면에 배치되는 반도체 소자. - 제 2 항에 있어서,
상기 비아 패드는 상기 관통 비아 구조체와 수직적으로 중첩하는 부분과 상기 관통 비아 구조체와 수직적으로 중첩하지 않는 부분을 포함하고,
상기 관통 비아 구조체와 중첩하지 않는 부분의 하부면은 상기 전면 하부 절연 층의 상부면 보다 낮은 레벨에 배치되고,
상기 비아 패드는 상기 관통 비아 구조체의 상부면 전체를 덮는 반도체 소자. - 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 반도체 기판;
상기 반도체 기판의 제1 면 상의 전면 하부 절연 층;
상기 반도체 기판 및 상기 전면 하부 절연 층을 관통하는 관통 비아 구조체, 상기 관통 비아 구조체는 제1 영역 및 상기 제1 영역 상의 제2 영역을 포함하고, 상기 관통 비아 구조체의 상기 제2 영역은 상기 반도체 기판의 상기 제1 면 보다 높은 레벨에 배치되면서 상기 제1 영역 보다 제1 원소를 더 포함하고; 및
상기 관통 비아 구조체의 측면 상의 비아 절연 층을 포함하고,
상기 전면 하부 절연층은:
상기 제1 원소를 포함하지 않는 하부; 및
상기 반도체 기판 및 상기 하부 사이에 제공되고, 상기 제1 원소를 포함하는 상부를 포함하는 반도체 소자.
- 제 12 항에 있어서,
상기 제2 영역은 상기 제1 영역 보다 제2 원소 및 제3 원소를 더 포함하되,
상기 제1 원소는 "Si(silicon)" 원소이고, 상기 제2 원소는 "N(nitrogen)" 원소이고, 상기 제3 원소는 "O(oxgen)" 원소인 반도체 소자. - 제 13 항에 있어서,
상기 제2 영역에서 상기 "O" 원소의 함량은 상기 "N" 원소의 함량 보다 높은 반도체 소자. - 삭제
- 서로 대향하는 제1 면 및 제2 면을 갖는 반도체 기판;
상기 반도체 기판의 상기 제1 면 상의 전면 하부 절연 층;
상기 반도체 기판의 상기 제2 면 상의 후면 절연 층;
상기 반도체 기판, 상기 전면 하부 절연 층 및 상기 후면 절연 층을 관통하는 관통 비아 구조체, 상기 관통 비아 구조체는 제1 영역 및 상기 제1 영역 상의 제2 영역을 갖고, 상기 관통 비아 구조체의 상기 제2 영역은 상기 제1 영역 보다 제1 원소를 더 포함하고;
상기 관통 비아 구조체의 측면 상의 비아 절연 층;
상기 반도체 기판의 상기 제1 면 상에 배치되며 상기 전면 하부 절연 층 내에 배치되는 콘택 구조체;
상기 전면 하부 절연 층 상의 금속간 절연 층;
상기 금속간 절연 층을 관통하며 상기 관통 비아 구조체와 전기적으로 연결되는 비아 패드; 및
상기 금속간 절연 층을 관통하며 상기 콘택 구조체와 전기적으로 연결되는 배선 구조체를 포함하고,
상기 전면 하부 절연층은 상기 반도체 기판 및 상기 금속간 절연층 사이에 개재되고,
상기 비아 패드는 상기 관통 비아 구조체의 상기 제2 영역과 접촉하는 반도체 소자. - 삭제
- 제 16 항에 있어서,
상기 비아 패드는 상기 관통 비아 구조체의 상부면 및 상기 관통 비아 구조체의 상부 영역의 측면과 접촉하는 반도체 소자. - 제 16 항에 있어서,
상기 관통 비아 구조체는 상기 제1 영역 하부의 제3 영역을 더 포함하되, 상기 관통 비아 구조체의 상기 제3 영역은 상기 제1 영역을 구성하는 원소들과 다른 원소를 더 포함하는 반도체 소자. - 삭제
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US10763168B2 (en) | 2017-11-17 | 2020-09-01 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor structure with doped via plug and method for forming the same |
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US12322679B2 (en) * | 2021-03-18 | 2025-06-03 | Taiwan Semiconductor Manufacturing Company Limited | Semiconductor die including through substrate via barrier structure and methods for forming the same |
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