KR101566925B1 - 반도체소자의 제조방법 - Google Patents
반도체소자의 제조방법 Download PDFInfo
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- KR101566925B1 KR101566925B1 KR1020100008756A KR20100008756A KR101566925B1 KR 101566925 B1 KR101566925 B1 KR 101566925B1 KR 1020100008756 A KR1020100008756 A KR 1020100008756A KR 20100008756 A KR20100008756 A KR 20100008756A KR 101566925 B1 KR101566925 B1 KR 101566925B1
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- 239000004065 semiconductor Substances 0.000 title abstract description 49
- 238000004519 manufacturing process Methods 0.000 title abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 46
- 238000005530 etching Methods 0.000 claims abstract description 35
- 238000003860 storage Methods 0.000 claims description 67
- 230000015654 memory Effects 0.000 claims description 47
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- 239000004020 conductor Substances 0.000 claims description 18
- 125000006850 spacer group Chemical group 0.000 claims description 16
- 229910044991 metal oxide Inorganic materials 0.000 claims description 14
- 150000004706 metal oxides Chemical class 0.000 claims description 14
- 230000001590 oxidative effect Effects 0.000 claims description 10
- 238000000059 patterning Methods 0.000 claims description 10
- 239000010410 layer Substances 0.000 description 98
- 239000011229 interlayer Substances 0.000 description 18
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 17
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- 239000010937 tungsten Substances 0.000 description 17
- 239000000463 material Substances 0.000 description 16
- 239000011232 storage material Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 238000013500 data storage Methods 0.000 description 7
- 229910052814 silicon oxide Inorganic materials 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
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- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 6
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- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
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- 229920005591 polysilicon Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910000314 transition metal oxide Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910010037 TiAlN Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910000457 iridium oxide Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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
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- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
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- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
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Abstract
Description
도 5a 내지 도 5g는 본 발명의 일 실시예들에 따른 반도체소자의 제조방법을설명하기 위한 단면도들이다.
도 6은 본 발명의 다른 실시예에 따른 반도체소자의 제조방법을 설명하기 위한 단면도이다.
도 7a 및 도 7b는 본 발명의 또 다른 실시예에 따른 반도체소자의 제조방법을 설명하기 위한 단면도들이다.
도 8a 내지 도 8c는 본 발명의 또 다른 실시예에 따른 반도체소자의 제조방법을 설명하기 위한 단면도들이다.
도 9a 내지 도 9c는 본 발명의 또 다른 실시예에 따른 반도체소자의 제조방법을 설명하기 위한 단면도들이다.
도 10a 내지 도 10c는 본 발명의 또 다른 실시예에 따른 반도체소자의 제조방법을 설명하기 위한 단면도들이다.
도 11은 본 발명의 실시예들에 따른 반도체소자의 정보 저장 패턴을 설명하기 위한 단면도이다.
도 12는 본 발명의 일 실시예에 따른 반도체소자를 설명하기 위한 단면도이다.
도 13은 본 발명의 다른 실시예에 따른 반도체소자를 설명하기 위한 단면도이다.
도 14는 본 발명의 또 다른 실시예에 따른 반도체소자를 설명하기 위한 단면도이다.
도 15는 본 발명의 또 다른 실시예에 따른 반도체소자를 설명하기 위한 단면도이다.
도 16 내지 도 23은 본 발명의 실시예들에 따른 반도체소자를 포함하는 장치 및 시스템을 나타낸 도면들이다.
Claims (10)
- 기판을 준비하고,
상기 기판 상에 하지 막을 형성하고,
상기 하지 막 상에 희생 막을 형성하고,
상기 희생 막을 패터닝하여 상기 하지 막의 소정 영역을 노출시키는 개구부를 형성하고,
상기 개구부 내에 마스크 막을 형성하고,
상기 마스크 막의 일부 또는 전부를 산화시키어 산화물 마스크를 형성하고,
상기 산화물 마스크를 식각 마스크로 이용하여 상기 희생 막을 식각하여 제거하고,
상기 희생 막을 제거한 후에 상기 산화물 마스크를 식각 마스크로 이용하여 상기 하지 막을 식각하여 하지막 패턴을 형성하는 것을 포함하는 반도체소자의 제조방법. - 제 1 항에 있어서,
상기 마스크 막은 금속 막으로 형성하는 반도체소자의 제조방법. - 제 1 항에 있어서,
상기 산화물 마스크는 도전성의 금속 산화물로 형성하는 반도체소자의 제조방법. - 제 1 항에 있어서,
상기 산화물 마스크의 두께를 감소시키는 공정을 진행하는 것을 더 포함하는 반도체소자의 제조방법. - 제 1 항에 있어서,
상기 산화물 마스크는 상기 희생 막으로부터 돌출된 부분을 갖도록 형성되는 반도체소자의 제조방법. - 제 1 항에 있어서,
상기 산화물 마스크는 제1 폭을 갖는 제1 부분과 상기 제1 폭보다 큰 제2 폭을 갖는 제2 부분을 포함하는 반도체소자의 제조방법. - 제 6 항에 있어서,
상기 산화물 마스크의 상기 제2 부분은 상기 제1 부분과의 경계면에서부터 상부로 갈수록 폭이 점점 넓어지는 부분을 포함하는 반도체소자의 제조 방법. - 제 1 항에 있어서,
상기 마스크 막은 상기 개구부를 부분적으로 채우도록 형성되는 반도체소자의 제조방법. - 제 1 항에 있어서,
상기 마스크 막을 형성하기 전에, 상기 개구부의 측벽 상에 스페이서를 형성하고,
상기 하지막 패턴을 형성하기 전에, 상기 스페이서를 제거하는 것을 더 포함하되, 상기 스페이서는 상기 희생 막과 같이 제거되는 반도체소자의 제조방법. - 스위칭 소자를 갖는 기판을 준비하고,
상기 기판 상에 차례로 적층된 도전성의 하부 막, 정보 저장 막 및 도전성의상부 막을 포함하는 하지 막을 형성하되, 상기 하부 막은 상기 스위칭 소자와 전기적으로 연결되고,
상기 하지 막 상에 희생 막을 형성하고,
상기 희생 막을 패터닝하여 상기 하지 막의 소정 영역을 노출시키는 개구부를 형성하고,
상기 개구부 내에 금속 막을 형성하되, 상기 금속 막을 형성하는 것은 상기 개구부를 갖는 기판 상에 도전성 물질 막을 형성하고, 상기 희생 막의 상부면이 노출될 때까지 상기 도전성 물질 막을 평탄화하는 것을 포함하고,
상기 금속 막의 일부 또는 전부를 산화시키어 도전성의 금속 산화물로 이루어진 산화물 마스크를 형성하고,
상기 산화물 마스크를 식각 마스크로 이용하여 상기 희생 막을 식각하여 제거하고,
상기 희생 막을 제거한 후에 상기 산화물 마스크를 식각 마스크로 이용하여 상기 하지 막을 식각하여 하지막 패턴을 형성하되, 상기 하지막 패턴은 차례로 적층된 하부 패턴, 정보 저장 패턴 및 상부 패턴을 포함하고, 상기 정보 저장 패턴은 비휘발성 메모리 소자의 정보 저장 요소이고,
상기 하지막 패턴을 갖는 기판 상에 금속간 절연막을 형성하고,
상기 금속간 절연막 상에 상기 산화물 마스크와 전기적으로 연결된 도전성 라인을 형성하는 것을 포함하는 반도체소자의 제조방법.
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KR1020100008756A KR101566925B1 (ko) | 2010-01-29 | 2010-01-29 | 반도체소자의 제조방법 |
JP2010293521A JP5695415B2 (ja) | 2010-01-29 | 2010-12-28 | 半導体素子の製造方法 |
TW100103161A TWI594293B (zh) | 2010-01-29 | 2011-01-27 | 製造半導體裝置之方法 |
US13/016,228 US8288289B2 (en) | 2010-01-29 | 2011-01-28 | Method of fabricating semiconductor device |
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KR1020100008756A KR101566925B1 (ko) | 2010-01-29 | 2010-01-29 | 반도체소자의 제조방법 |
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JP (1) | JP5695415B2 (ko) |
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US8962493B2 (en) * | 2010-12-13 | 2015-02-24 | Crocus Technology Inc. | Magnetic random access memory cells having improved size and shape characteristics |
KR101870873B1 (ko) * | 2011-08-04 | 2018-07-20 | 에스케이하이닉스 주식회사 | 반도체 소자의 제조방법 |
US9245788B2 (en) | 2012-04-11 | 2016-01-26 | International Business Machines Corporation | Non-bridging contact via structures in proximity |
US8901687B2 (en) | 2012-11-27 | 2014-12-02 | Industrial Technology Research Institute | Magnetic device with a substrate, a sensing block and a repair layer |
US8889433B2 (en) * | 2013-03-15 | 2014-11-18 | International Business Machines Corporation | Spin hall effect assisted spin transfer torque magnetic random access memory |
KR20140122824A (ko) * | 2013-04-11 | 2014-10-21 | 삼성전자주식회사 | 반도체 소자 및 이의 제조 방법 |
KR102102783B1 (ko) | 2014-01-06 | 2020-04-22 | 삼성전자주식회사 | 반도체 소자, 자기 기억 소자 및 이들의 제조 방법 |
KR102191217B1 (ko) * | 2014-04-28 | 2020-12-16 | 삼성전자주식회사 | 반도체 소자, 자기 기억 소자 및 이들의 제조 방법 |
TWI680496B (zh) * | 2016-09-13 | 2019-12-21 | 美商應用材料股份有限公司 | 高壓縮/拉伸的翹曲晶圓上的厚鎢硬遮罩膜沉積 |
JP2019530242A (ja) * | 2016-09-30 | 2019-10-17 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | 自己整合ビアの形成方法 |
JP7229929B2 (ja) | 2017-02-01 | 2023-02-28 | アプライド マテリアルズ インコーポレイテッド | ハードマスク応用向けのホウ素がドープされた炭化タングステン |
TWI713961B (zh) | 2018-01-15 | 2020-12-21 | 美商應用材料股份有限公司 | 針對碳化鎢膜改善附著及缺陷之技術 |
US11563010B2 (en) | 2019-10-29 | 2023-01-24 | Micron Technology, Inc. | Integrated assemblies, and methods of forming integrated assemblies |
CN113517182A (zh) * | 2021-06-29 | 2021-10-19 | 上海华力集成电路制造有限公司 | 硬掩膜层的图形结构的形成方法 |
US20230114191A1 (en) * | 2021-10-12 | 2023-04-13 | Taiwan Semiconductor Manufacturing Co., Ltd. | Forming Seams with Desirable Dimensions in Isolation Regions |
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US8288289B2 (en) | 2012-10-16 |
KR20110088984A (ko) | 2011-08-04 |
JP2011159963A (ja) | 2011-08-18 |
TW201140652A (en) | 2011-11-16 |
US20110189851A1 (en) | 2011-08-04 |
JP5695415B2 (ja) | 2015-04-08 |
TWI594293B (zh) | 2017-08-01 |
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