KR102632497B1 - 저항 구조물을 구비하는 반도체 소자 - Google Patents
저항 구조물을 구비하는 반도체 소자 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 55
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 87
- 239000000758 substrate Substances 0.000 claims abstract description 64
- 239000011810 insulating material Substances 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 claims description 58
- 239000011229 interlayer Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 20
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 44
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 28
- 229920005591 polysilicon Polymers 0.000 description 28
- 229910052751 metal Inorganic materials 0.000 description 16
- 239000002184 metal Substances 0.000 description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 229910052814 silicon oxide Inorganic materials 0.000 description 13
- 150000004767 nitrides Chemical class 0.000 description 10
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 10
- 229910021342 tungsten silicide Inorganic materials 0.000 description 10
- 229910052581 Si3N4 Inorganic materials 0.000 description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 8
- 238000005530 etching Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910021332 silicide Inorganic materials 0.000 description 5
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
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- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
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- 239000004020 conductor Substances 0.000 description 1
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- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
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- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910021341 titanium silicide Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- -1 tungsten nitride Chemical class 0.000 description 1
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
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Abstract
Description
도 2 내지 4는 본 발명의 일실시예에 의한 반도체 소자의 저항 구조물을 나타내는 단면도들이다.
도 5 내지 도 12는 본 발명의 일실시예에 의한 반도체 소자의 저항 구조물의 형성 방법을 나타내는 단면도들이다.
도 13은 본 발명의 일 실시예에 의한 반도체 소지의 저항 구조물을 나타내는 단면도이다.
도 14는 본 발명의 일실시예에 의한 반도체 소자의 저항 구조물을 나타내는 단면도이다.
도 15는 본 발명의 일실시예에 의한 반도체 소자의 저항 구조물의 형성 방법을 나타내는 단면도이다.
도 16은 본 발명의 일실시예에 의한 반도체 소자를 나타내는 단면도이다.
도 17 내지 도 25는 본 발명의 일실시예에 의한 반도체 소자의 제조 방법을 나타내는 단면도들이다.
상기 저항 라인 패턴들(116), 하부 패턴들(106), 소자 분리 패턴(104) 및 상기 마스크 패턴(114)을 덮는 층간 절연막(120)이 구비될 수 있다. 상기 층간 절연막(120) 및 상기 마스크 패턴(114)을 관통하여 각각의 상기 저항 라인 패턴들(116)과 전기적으로 연결되는 콘택 플러그(124)가 구비될 수 있다.
112, 234 : 저항막 116, 244 : 저항 라인 패턴
118 : 가드링 120, 250 : 층간 절연막
124, 252 : 콘택 플러그 226 : 셀 패턴용 절연막
226a : 셀 패턴 240 : 제1 게이트 구조물
242 : 제2 게이트 구조물
Claims (10)
- 절연 물질을 포함하고 평탄한 상부면을 가지는 저항 형성 영역을 포함하는 기판;
상기 저항 형성 영역 상에 구비되고, 절연 물질을 포함하고, 상기 기판과 평행한 제1 방향으로 연장되는 라인 형상을 갖고, 상기 제1 방향과 수직한 제2 방향으로 서로 이격되면서 배치되는 복수의 하부 패턴들; 및
상기 하부 패턴들 및 저항 형성 영역의 표면 상에 컨포멀하게 구비되고, 하부면이 절연 물질과 접촉하고, 상기 제2 방향으로 연장되고, 상기 하부 패턴들의 상부면과 접하는 부위에서는 상기 기판 표면과 수직한 제3 방향으로 돌출된 상부면 및 하부면을 갖는 저항 라인 패턴을 포함하는 반도체 소자. - 제1항에 있어서, 상기 저항 형성 영역은 기판의 트렌치 내에 형성되는 소자 분리 패턴 부위 또는 층간 절연막 부위를 포함하는 반도체 소자.
- 제1항에 있어서, 각각의 상기 하부 패턴들은 복수의 절연 물질이 적층되는 구조를 갖는 반도체 소자.
- 제1항에 있어서, 각각의 상기 하부 패턴들의 상부면은 평탄하고, 상기 각각의 하부 패턴들의 제2 방향의 측벽은 경사를 갖는 반도체 소자.
- 제1항에 있어서, 상기 저항 라인 패턴은 복수개가 구비되고, 상기 저항 라인 패턴들은 상기 제1 방향으로 이격되게 배치되는 반도체 소자.
- 제1항에 있어서, 상기 저항 라인 패턴은 상부면 및 하부면의 높이가 낮은 제1 부분과 상부면 및 하부면의 높이가 높은 제3 부분과, 상기 제1 및 제3 부분 사이에서 상기 제1 및 제3 부분을 연결하고 상, 하부면이 경사를 갖는 제2 부분을 포함하는 반도체 소자.
- 제6항에 있어서,
상기 저항 라인 패턴을 덮는 층간 절연막 및
상기 층간 절연막을 관통하여 상기 저항 라인 패턴의 제2 부분의 상부면과 접촉하는 콘택 플러그를 포함하는 반도체 소자. - 제1항에 있어서, 상기 하부 패턴들의 각각의 형상은 상기 저항 형성 영역 내에서 각 위치에 따라 동일하거나 또는 다른 반도체 소자.
- 제1항에 있어서, 상기 하부 패턴들 각각은 상기 저항 형성 영역의 적어도 일부 영역에 구비되는 반도체 소자.
- 제1항에 있어서, 상기 기판에는 셀 영역이 더 포함되고, 상기 셀 영역 상에 상기 하부 패턴과 동일한 물질을 포함하고 상기 하부 패턴과 동일한 적층 구조를 갖는 셀 패턴이 형성되는 반도체 소자.
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KR1020180092292A KR102632497B1 (ko) | 2018-08-08 | 2018-08-08 | 저항 구조물을 구비하는 반도체 소자 |
US16/277,597 US10825768B2 (en) | 2018-08-08 | 2019-02-15 | Semiconductor device including resistor structure |
CN201910312015.4A CN110828427B (zh) | 2018-08-08 | 2019-04-18 | 包括电阻器结构的半导体器件 |
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US9786680B2 (en) | 2015-09-10 | 2017-10-10 | Toshiba Memory Corporation | Semiconductor device |
KR102589301B1 (ko) | 2016-04-29 | 2023-10-13 | 삼성전자주식회사 | 비휘발성 메모리 장치 |
KR102667878B1 (ko) * | 2016-09-06 | 2024-05-23 | 삼성전자주식회사 | 반도체 메모리 소자 및 이의 제조 방법 |
US9876031B1 (en) | 2016-11-30 | 2018-01-23 | Sandisk Technologies Llc | Three-dimensional memory device having passive devices at a buried source line level and method of making thereof |
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2018
- 2018-08-08 KR KR1020180092292A patent/KR102632497B1/ko active Active
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2019
- 2019-02-15 US US16/277,597 patent/US10825768B2/en active Active
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KR20200017100A (ko) | 2020-02-18 |
US10825768B2 (en) | 2020-11-03 |
CN110828427A (zh) | 2020-02-21 |
CN110828427B (zh) | 2025-03-04 |
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