KR101062889B1 - 측벽접합을 구비한 반도체장치 및 그 제조 방법 - Google Patents
측벽접합을 구비한 반도체장치 및 그 제조 방법 Download PDFInfo
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- KR101062889B1 KR101062889B1 KR1020100065264A KR20100065264A KR101062889B1 KR 101062889 B1 KR101062889 B1 KR 101062889B1 KR 1020100065264 A KR1020100065264 A KR 1020100065264A KR 20100065264 A KR20100065264 A KR 20100065264A KR 101062889 B1 KR101062889 B1 KR 101062889B1
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- 238000000034 method Methods 0.000 title claims abstract description 47
- 239000004065 semiconductor Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000009792 diffusion process Methods 0.000 claims abstract description 62
- 230000004888 barrier function Effects 0.000 claims abstract description 61
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 238000005530 etching Methods 0.000 claims abstract description 16
- 238000005468 ion implantation Methods 0.000 claims abstract description 12
- 238000000137 annealing Methods 0.000 claims abstract description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 34
- 229920005591 polysilicon Polymers 0.000 claims description 34
- 239000012535 impurity Substances 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 239000011574 phosphorus Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 29
- 239000002019 doping agent Substances 0.000 description 26
- 150000004767 nitrides Chemical class 0.000 description 21
- 125000006850 spacer group Chemical group 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 238000001039 wet etching Methods 0.000 description 7
- 239000011229 interlayer Substances 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000005360 phosphosilicate glass Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 229910001423 beryllium ion Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910021341 titanium silicide Inorganic materials 0.000 description 1
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/74—Making of localized buried regions, e.g. buried collector layers, internal connections substrate contacts
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Abstract
Description
도 2는 본 발명의 실시예에 따른 반도체장치를 도시한 구조 단면도이다.
도 3a 내지 도 3g는 도 2에 도시된 반도체장치의 제조 방법을 도시한 공정 단면도이다.
도 4a 내지 도 4k는 본발명의 실시예에 따른 측벽콘택의 형성 방법의 일예를 도시한 도면이다.
도 5a 내지 도 5e는 매립비트라인 이후의 제조 방법을 도시한 공정단면도이다.
24 : 하드마스크막패턴 27A : 라이너산화막패턴
29A : 라이너질화막패턴 38 : 측벽접합
39 : 매립비트라인
201 : 바디
Claims (19)
- 트렌치에 의해 분리되고 양측벽이 노출된 확산방지영역을 포함하는 복수의 바디를 형성하는 단계;
상기 트렌치를 갭필하는 도우프드막을 형성하는 단계;
상기 도우프드막을 어닐하여 상기 확산방지영역 내에 측벽접합을 형성하는 단계; 및
상기 측벽접합과 연결되며 상기 트렌치를 부분 매립하는 도전성라인을 형성하는 단계
를 포함하는 반도체장치 제조 방법.
- 제1항에 있어서,
상기 복수의 바디를 형성하는 단계는,
기판 내에 이온주입을 통해 상기 확산방지영역을 형성하는 단계; 및
상기 확산방지영역이 분리되는 깊이까지 상기 기판을 식각하여 상기 트렌치를 형성하는 단계
를 포함하는 반도체장치 제조 방법.
- 제1항에 있어서,
상기 확산방지영역은, 침입형 불순물을 포함하는 반도체장치 제조 방법.
- 제3항에 있어서,
상기 침입형 불순물은 탄소를 포함하는 반도체장치 제조 방법.
- 제1항에 있어서,
상기 도우프드막은 도우프드 폴리실리콘막을 포함하는 반도체장치 제조 방법.
- 제1항에 있어서,
상기 도우프드막은 인(Ph)이 도핑된 폴리실리콘막을 포함하는 반도체장치 제조 방법.
- 제1항에 있어서,
상기 복수의 바디를 형성하는 단계 이후에,
상기 확산방지영역의 어느 하나의 측벽을 노출시킨 측벽콘택을 갖는 절연막을 형성하는 단계를 더 포함하는 반도체장치 제조 방법.
- 제1항에 있어서,
상기 바디는 실리콘바디를 포함하고, 상기 도전성라인은 금속비트라인을 포함하는 반도체장치 제조 방법.
- 기판 내에 이온주입을 통해 확산방지영역을 형성하는 단계;
상기 확산방지영역이 분리되는 깊이까지 상기 기판을 식각하여 트렌치에 의해 분리되고 양측벽이 노출된 상기 확산방지영역을 포함하는 복수의 바디를 형성하는 단계;
상기 확산방지영역의 어느 하나의 측벽을 노출시킨 측벽콘택을 갖는 절연막을 형성하는 단계;
상기 트렌치를 갭필하는 도우프드막을 형성하는 단계;
상기 도우프드막을 어닐하여 상기 확산방지영역 내에 측벽접합을 형성하는 단계; 및
상기 측벽접합과 연결되며 상기 트렌치를 부분 매립하는 매립비트라인을 형성하는 단계
를 포함하는 반도체장치 제조 방법.
- 제9항에 있어서,
상기 매립비트라인을 형성하는 단계 이후에,
상기 바디의 상부를 식각하여 복수의 필라를 형성하는 단계; 및
상기 필라의 측벽에 인접하여 상기 매립비트라인과 교차하는 방향으로 연장된 수직워드라인을 형성하는 단계
를 더 포함하는 반도체장치 제조 방법.
- 제9항에 있어서,
상기 확산방지영역을 형성하는 단계는,
상기 기판 내에 침입형 불순물을 이온주입하는 반도체장치 제조 방법.
- 제11항에 있어서,
상기 침입형 불순물은 탄소를 포함하는 반도체장치 제조 방법.
- 제9항에 있어서,
상기 도우프드막은 도우프드 폴리실리콘막을 포함하는 반도체장치 제조 방법.
- 제9항에 있어서,
상기 도우프드막은 인(Ph)이 도핑된 폴리실리콘막을 포함하는 반도체장치 제조 방법.
- 제9항에 있어서,
상기 바디는 실리콘바디를 포함하는 반도체장치 제조 방법.
- 트렌치에 의해 분리되고 양측벽이 노출된 확산방지영역을 포함하는 복수의 바디;
상기 확산방지영역의 어느 하나의 측벽 일부를 노출시킨 측벽콘택을 갖고 상기 바디를 덮는 절연막;
상기 확산방지영역 내에 형성된 측벽접합;
상기 트렌치를 매립하며 상기 측벽접합과 연결된 매립비트라인;
상기 바디 상에 형성된 필라; 및
상기 필라의 측벽에 인접하여 상기 매립비트라인과 교차하는 방향으로 연장된 수직워드라인
을 포함하는 반도체장치.
- 제16항에 있어서,
상기 확산방지영역은 침입형 불순물을 포함하는 반도체장치.
- 제16항에 있어서,
상기 확산방지영역은 탄소가 도핑되어 있는 반도체장치.
- 제16항에 있어서,
상기 측벽접합은 인(Ph)이 도핑되어 있는 반도체장치.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100065264A KR101062889B1 (ko) | 2010-07-07 | 2010-07-07 | 측벽접합을 구비한 반도체장치 및 그 제조 방법 |
US12/939,677 US8354342B2 (en) | 2010-07-07 | 2010-11-04 | Semiconductor device with side-junction and method for fabricating the same |
TW100100061A TWI524468B (zh) | 2010-07-07 | 2011-01-03 | 具側邊接面之半導體裝置及其製造方法 |
CN201110038958.6A CN102315162B (zh) | 2010-07-07 | 2011-02-16 | 具有侧结的半导体器件及其制造方法 |
US13/725,498 US20130134508A1 (en) | 2010-07-07 | 2012-12-21 | Semiconductor device with side-junction and method for fabricating the same |
Applications Claiming Priority (1)
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KR1020100065264A KR101062889B1 (ko) | 2010-07-07 | 2010-07-07 | 측벽접합을 구비한 반도체장치 및 그 제조 방법 |
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US (2) | US8354342B2 (ko) |
KR (1) | KR101062889B1 (ko) |
CN (1) | CN102315162B (ko) |
TW (1) | TWI524468B (ko) |
Families Citing this family (20)
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KR20120063820A (ko) * | 2010-12-08 | 2012-06-18 | 에스케이하이닉스 주식회사 | 반도체장치의 측벽콘택 형성 방법 |
KR20120063756A (ko) * | 2010-12-08 | 2012-06-18 | 에스케이하이닉스 주식회사 | 측벽콘택을 구비한 반도체장치 제조 방법 |
KR101202690B1 (ko) * | 2010-12-09 | 2012-11-19 | 에스케이하이닉스 주식회사 | 반도체장치의 측벽콘택 형성 방법 |
KR101213931B1 (ko) * | 2010-12-14 | 2012-12-18 | 에스케이하이닉스 주식회사 | 수직형 반도체 소자 및 그 제조 방법 |
KR101185994B1 (ko) * | 2011-02-15 | 2012-09-25 | 에스케이하이닉스 주식회사 | 수직형 트랜지스터의 원사이드 컨택영역 오픈 방법 및 이를 이용한 원사이드 접합영역 형성방법 |
KR20120097663A (ko) * | 2011-02-25 | 2012-09-05 | 에스케이하이닉스 주식회사 | 반도체 장치의 매립 비트라인 제조 방법 |
US9401363B2 (en) * | 2011-08-23 | 2016-07-26 | Micron Technology, Inc. | Vertical transistor devices, memory arrays, and methods of forming vertical transistor devices |
KR20130047410A (ko) * | 2011-10-31 | 2013-05-08 | 에스케이하이닉스 주식회사 | 반도체 소자 및 그 형성방법 |
US8901631B2 (en) * | 2013-03-11 | 2014-12-02 | Nanya Technology Corporation | Vertical transistor in semiconductor device and method for fabricating the same |
US9166001B2 (en) | 2014-02-11 | 2015-10-20 | Taiwan Semiconductor Manufacturing Company Limited | Vertical structure and method of forming semiconductor device |
US9793407B2 (en) * | 2015-12-15 | 2017-10-17 | Taiwan Semiconductor Manufacturing Co., Ltd. | Fin field effect transistor |
KR102563924B1 (ko) * | 2016-08-05 | 2023-08-04 | 삼성전자 주식회사 | 수직형 메모리 소자 |
CN110391299B (zh) * | 2018-04-23 | 2023-07-14 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构及其形成方法 |
US10580888B1 (en) * | 2018-08-08 | 2020-03-03 | Infineon Technologies Austria Ag | Oxygen inserted Si-layers for reduced contact implant outdiffusion in vertical power devices |
US11164791B2 (en) | 2019-02-25 | 2021-11-02 | International Business Machines Corporation | Contact formation for stacked vertical transport field-effect transistors |
US11069679B2 (en) | 2019-04-26 | 2021-07-20 | International Business Machines Corporation | Reducing gate resistance in stacked vertical transport field effect transistors |
US11018138B2 (en) | 2019-10-25 | 2021-05-25 | Applied Materials, Inc. | Methods for forming dynamic random-access devices by implanting a drain through a spacer opening at the bottom of angled structures |
CN114068545B (zh) * | 2020-08-05 | 2024-09-20 | 长鑫存储技术有限公司 | 半导体结构及其制作方法 |
CN113035868B (zh) * | 2021-02-25 | 2022-05-31 | 长鑫存储技术有限公司 | 半导体结构的形成方法及半导体结构 |
US11848360B2 (en) * | 2021-06-17 | 2023-12-19 | Micron Technology, Inc. | Integrated assemblies and methods of forming integrated assemblies |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020066925A1 (en) | 2000-12-05 | 2002-06-06 | Ulrike Gruening | Structure and method for forming a body contact for vertical transistor cells |
US20030034512A1 (en) | 1999-03-12 | 2003-02-20 | Annalisa Cappelani | Integrated circuit configuration and method of fabricating a dram structure with buried bit lines or trench capacitors |
US6605504B1 (en) | 2002-06-28 | 2003-08-12 | Infineon Technologies Ag | Method of manufacturing circuit with buried strap including a liner |
US20040029346A1 (en) | 2000-12-06 | 2004-02-12 | Jaiprakash Venkatachalam C. | DRAM with vertical transistor and trench capacitor memory cells and method of fabrication |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7355230B2 (en) * | 2004-11-30 | 2008-04-08 | Infineon Technologies Ag | Transistor array for semiconductor memory devices and method for fabricating a vertical channel transistor array |
US7965540B2 (en) * | 2008-03-26 | 2011-06-21 | International Business Machines Corporation | Structure and method for improving storage latch susceptibility to single event upsets |
-
2010
- 2010-07-07 KR KR1020100065264A patent/KR101062889B1/ko active IP Right Grant
- 2010-11-04 US US12/939,677 patent/US8354342B2/en active Active
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2011
- 2011-01-03 TW TW100100061A patent/TWI524468B/zh active
- 2011-02-16 CN CN201110038958.6A patent/CN102315162B/zh active Active
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2012
- 2012-12-21 US US13/725,498 patent/US20130134508A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030034512A1 (en) | 1999-03-12 | 2003-02-20 | Annalisa Cappelani | Integrated circuit configuration and method of fabricating a dram structure with buried bit lines or trench capacitors |
US20020066925A1 (en) | 2000-12-05 | 2002-06-06 | Ulrike Gruening | Structure and method for forming a body contact for vertical transistor cells |
US20040029346A1 (en) | 2000-12-06 | 2004-02-12 | Jaiprakash Venkatachalam C. | DRAM with vertical transistor and trench capacitor memory cells and method of fabrication |
US6605504B1 (en) | 2002-06-28 | 2003-08-12 | Infineon Technologies Ag | Method of manufacturing circuit with buried strap including a liner |
Also Published As
Publication number | Publication date |
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US20130134508A1 (en) | 2013-05-30 |
CN102315162B (zh) | 2015-04-29 |
US20120007258A1 (en) | 2012-01-12 |
TW201203457A (en) | 2012-01-16 |
US8354342B2 (en) | 2013-01-15 |
CN102315162A (zh) | 2012-01-11 |
TWI524468B (zh) | 2016-03-01 |
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