KR20090027162A - 제어된 결정 구조를 갖는 다층 실리콘막들 및 도펀트들의 이용을 통한 다결정성 폴리실리콘 막들 및 주변층들의 변형 - Google Patents
제어된 결정 구조를 갖는 다층 실리콘막들 및 도펀트들의 이용을 통한 다결정성 폴리실리콘 막들 및 주변층들의 변형 Download PDFInfo
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- KR20090027162A KR20090027162A KR1020080089164A KR20080089164A KR20090027162A KR 20090027162 A KR20090027162 A KR 20090027162A KR 1020080089164 A KR1020080089164 A KR 1020080089164A KR 20080089164 A KR20080089164 A KR 20080089164A KR 20090027162 A KR20090027162 A KR 20090027162A
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 86
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 85
- 239000010703 silicon Substances 0.000 title claims abstract description 85
- 229920005591 polysilicon Polymers 0.000 title claims abstract description 36
- 239000013078 crystal Substances 0.000 title claims abstract description 16
- 239000002019 doping agent Substances 0.000 title description 25
- 230000002093 peripheral effect Effects 0.000 title 1
- 239000007789 gas Substances 0.000 claims abstract description 143
- 238000000034 method Methods 0.000 claims abstract description 99
- 239000000758 substrate Substances 0.000 claims abstract description 76
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 29
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 239000003085 diluting agent Substances 0.000 claims abstract description 20
- 239000011261 inert gas Substances 0.000 claims abstract description 15
- 230000008021 deposition Effects 0.000 claims abstract description 14
- 229910052732 germanium Inorganic materials 0.000 claims description 6
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 6
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 8
- 238000012545 processing Methods 0.000 description 23
- 238000000137 annealing Methods 0.000 description 20
- 238000012546 transfer Methods 0.000 description 16
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 14
- 238000005468 ion implantation Methods 0.000 description 12
- 238000009826 distribution Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 239000004065 semiconductor Substances 0.000 description 10
- 238000005229 chemical vapour deposition Methods 0.000 description 9
- 125000004429 atom Chemical group 0.000 description 8
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 7
- 238000000151 deposition Methods 0.000 description 7
- 229910000077 silane Inorganic materials 0.000 description 7
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 5
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 5
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 235000012431 wafers Nutrition 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 4
- 238000004151 rapid thermal annealing Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical compound [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 3
- 230000005669 field effect Effects 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 210000002381 plasma Anatomy 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- ZOCHARZZJNPSEU-UHFFFAOYSA-N diboron Chemical compound B#B ZOCHARZZJNPSEU-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001298 alcohols Chemical class 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
- 150000001412 amines Chemical class 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- -1 carbon Chemical compound 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 239000012707 chemical precursor Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 229910000078 germane Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical class [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- WXRGABKACDFXMG-UHFFFAOYSA-N trimethylborane Chemical compound CB(C)C WXRGABKACDFXMG-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H10D64/661—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation
- H10D64/662—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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Abstract
Description
Claims (15)
- 다층 실리콘막을 형성하는 방법으로서,증착 챔버에 기판을 위치시키는 단계;실리콘 소스 가스를 포함하는 제 1 프로세스 가스를 증착 챔버 속으로 흘려보냄으로써 기판 상에 비정질 실리콘막을 형성하는 단계;제 1 온도에서 비활성 가스 및 H2를 포함하는 제 1 희석 가스 혼합물과 실리콘 소스 가스를 포함하는 제 1 프로세스 가스를 상기 증착 챔버 속으로 흘려보냄으로써 상기 비정질 실리콘막 위에 폴리실리콘막을 형성하는 단계를 포함하는, 다층 실리콘막 형성 방법.
- 제 1 항에 있어서,상기 폴리실리콘막은 <220> 방향 또는 배향으로 지정되는 결정 배향을 갖는 것을 특징으로 하는 다층 실리콘막 형성 방법.
- 제 1 항에 있어서,상기 실리콘막은 <111> 방향 또는 배향에 의해 지정되는 결정 배향을 갖는 것을 특징으로 하는 다층 실리콘막 형성 방법.
- 제 1 항에 있어서,상기 제 1 폴리실리콘막 위에 제 2 폴리실리콘막을 형성하는 단계를 더 포함하며, 상기 제 2 폴리실리콘막은 제 2 소스 가스 및 제 2 희석 가스 혼합물을 포함하는 제 2 프로세스 가스 혼합물을 상기 증착 챔버로 흘려보냄으로써 형성되며, 상기 제 2 희석 가스 혼합물은 제 2 온도에서 H2 및 비활성 가스를 포함하며, 상기 제 2 온도는 상기 제 1 온도보다 높은 것을 특징으로 하는 다층 실리콘막 형성 방법.
- 제 1 항에 있어서,상기 제 1 폴리실리콘막 위에 제 2 폴리실리콘막을 형성하는 단계를 더 포함하며, 상기 제 2 폴리실리콘막은 실리콘 소스 가스 및 제 2 희석 가스 혼합물을 포함하는 제 2 프로세스 가스 혼합물을 상기 증착 챔버로 흘려보냄으로써 형성되며, 상기 제 2 희석 가스 혼합물은 제 2 온도에서 H2 및 비활성 가스를 포함하며, 상기 제 1 온도는 상기 제 2 온도보다 높은 것을 특징으로 하는 다층 실리콘막 형성 방법.
- 제 1 항에 있어서,상기 비정질 실리콘막을 형성하는 단계는 상기 증착 챔버 속으로 게르마늄 소스 가스를 흘려보내는 단계를 더 포함하는 것을 특징으로 하는 다층 실리콘막 형성 방법.
- 제 1 항에 있어서,상기 비정질 실리콘막 상에 폴리실리콘막을 형성하는 단계는 상기 증착 챔버 속으로 게르마늄 소스 가스를 흘려보내는 단계를 포함하는 것을 특징으로 하는 다층 실리콘막 형성 방법.
- 게이트 전극으로서,하부 비정질 실리콘막; 및랜덤한 그레인 또는 원주형 그레인 구조를 갖는 상부 폴리실리콘막을 포함하는, 게이트 전극.
- 제 8 항에 있어서,상기 상부 폴리실리콘막은 <111> 방향 또는 배향에 의해 지정되는 결정 배향을 갖는 것을 특징으로 하는 게이트 전극.
- 제 8 항에 있어서,상기 상부 폴리실리콘막은 상기 그레인의 수직 치수가 수평 치수보다 상당히 큰 그레인 크기를 갖는 것을 특징으로 하는 게이트 전극.
- 제 8 항에 있어서,상기 상부 폴리실리콘막은 적어도 2:1의 수직 치수 대 수평 치수를 갖는 그레인 경계들을 포함하는 것을 특징으로 하는 게이트 전극.
- 제 8 항에 있어서,상기 상부 폴리실리콘막은 적어도 4:1의 수직 치수 대 수평 치수를 갖는 그레인 경계들을 포함하는 것을 특징으로 하는 게이트 전극.
- 제 8 항에 있어서,상기 상부 폴리실리콘막은 <220> 방향 또는 배향에 의해 지정되는 결정 배향을 갖는 것을 특징으로 하는 게이트 전극.
- 제 8 항에 있어서,상기 제 1 폴리실리콘막 상에 증착된 제 2 폴리실리콘막을 더 포함하는 것을 특징으로 하는 게이트 전극.
- 제 14 항에 있어서,상기 제 2 폴리실리콘막은 <220> 방향 또는 배향에 의해 지정되는 결정 배향을 갖는 것을 특징으로 하는 게이트 전극.
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WO2011004474A1 (ja) * | 2009-07-08 | 2011-01-13 | 株式会社 東芝 | 半導体装置及びその製造方法 |
CN102315266B (zh) * | 2010-06-30 | 2013-08-28 | 中国科学院微电子研究所 | 半导体结构及其制造方法 |
US8461034B2 (en) * | 2010-10-20 | 2013-06-11 | International Business Machines Corporation | Localized implant into active region for enhanced stress |
CN102593001B (zh) * | 2011-01-14 | 2015-01-14 | 中国科学院微电子研究所 | 向沟道中引入应变的方法和使用该方法制作的器件 |
FR2999801B1 (fr) * | 2012-12-14 | 2014-12-26 | Soitec Silicon On Insulator | Procede de fabrication d'une structure |
KR101489306B1 (ko) * | 2013-10-21 | 2015-02-11 | 주식회사 유진테크 | 어모퍼스 실리콘막의 증착 방법 및 증착 장치 |
CN105826238A (zh) * | 2015-01-06 | 2016-08-03 | 中芯国际集成电路制造(上海)有限公司 | 电可编程熔丝结构及其形成方法 |
DE102017209173A1 (de) * | 2017-05-31 | 2018-12-06 | Robert Bosch Gmbh | Polykristallines Material mit geringer mechanischer Verspannung; Verfahren zum Erzeugen eines polykristallinen Materials |
JP6804398B2 (ja) * | 2017-06-28 | 2020-12-23 | 株式会社Screenホールディングス | 熱処理装置および熱処理方法 |
JP2019054143A (ja) * | 2017-09-15 | 2019-04-04 | 株式会社東芝 | 接続構造およびその製造方法ならびにセンサ |
CN110875171A (zh) * | 2018-08-31 | 2020-03-10 | 北京北方华创微电子装备有限公司 | 多晶硅功能层的制备方法 |
JP7213726B2 (ja) * | 2019-03-13 | 2023-01-27 | 東京エレクトロン株式会社 | 成膜方法及び熱処理装置 |
KR20200140976A (ko) * | 2019-06-07 | 2020-12-17 | 삼성전자주식회사 | 반도체 소자 |
US20230245891A1 (en) * | 2022-01-31 | 2023-08-03 | Texas Instruments Incorporated | Small grain size polysilicon engineering for threshold voltage mismatch improvement |
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JPH0722130B2 (ja) * | 1985-11-25 | 1995-03-08 | 松下電器産業株式会社 | シリコン薄膜およびその作成方法 |
CN1274009C (zh) * | 1994-06-15 | 2006-09-06 | 精工爱普生株式会社 | 薄膜半导体器件的制造方法 |
US6726955B1 (en) * | 2000-06-27 | 2004-04-27 | Applied Materials, Inc. | Method of controlling the crystal structure of polycrystalline silicon |
DE10034005A1 (de) * | 2000-07-07 | 2002-01-24 | Infineon Technologies Ag | Verfahren zum Erzeugen von Mikro-Rauhigkeiten auf einer Oberfläche |
JP2003031806A (ja) * | 2001-05-09 | 2003-01-31 | Hitachi Ltd | Mosトランジスタ及びその製造方法 |
US6559039B2 (en) * | 2001-05-15 | 2003-05-06 | Applied Materials, Inc. | Doped silicon deposition process in resistively heated single wafer chamber |
US6991999B2 (en) * | 2001-09-07 | 2006-01-31 | Applied Materials, Inc. | Bi-layer silicon film and method of fabrication |
US20030124818A1 (en) * | 2001-12-28 | 2003-07-03 | Applied Materials, Inc. | Method and apparatus for forming silicon containing films |
US6982214B2 (en) * | 2002-10-01 | 2006-01-03 | Applied Materials, Inc. | Method of forming a controlled and uniform lightly phosphorous doped silicon film |
US7045408B2 (en) * | 2003-05-21 | 2006-05-16 | Intel Corporation | Integrated circuit with improved channel stress properties and a method for making it |
US7078300B2 (en) * | 2003-09-27 | 2006-07-18 | International Business Machines Corporation | Thin germanium oxynitride gate dielectric for germanium-based devices |
JP4655495B2 (ja) * | 2004-03-31 | 2011-03-23 | 東京エレクトロン株式会社 | 成膜方法 |
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- 2008-09-10 KR KR1020080089164A patent/KR20090027162A/ko not_active Application Discontinuation
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TW200919553A (en) | 2009-05-01 |
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