KR100320796B1 - 게이트 유전체막이 적용되는 반도체 소자의 제조 방법 - Google Patents
게이트 유전체막이 적용되는 반도체 소자의 제조 방법 Download PDFInfo
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- KR100320796B1 KR100320796B1 KR1019990065030A KR19990065030A KR100320796B1 KR 100320796 B1 KR100320796 B1 KR 100320796B1 KR 1019990065030 A KR1019990065030 A KR 1019990065030A KR 19990065030 A KR19990065030 A KR 19990065030A KR 100320796 B1 KR100320796 B1 KR 100320796B1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000010408 film Substances 0.000 claims abstract description 39
- 239000010409 thin film Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 230000008021 deposition Effects 0.000 claims abstract description 9
- 150000002500 ions Chemical class 0.000 claims abstract description 9
- 238000000137 annealing Methods 0.000 claims abstract description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 229910003902 SiCl 4 Inorganic materials 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 12
- 238000000151 deposition Methods 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 238000005229 chemical vapour deposition Methods 0.000 claims description 3
- 239000002019 doping agent Substances 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 239000005416 organic matter Substances 0.000 claims description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 2
- 229920005591 polysilicon Polymers 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000003989 dielectric material Substances 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract description 4
- 230000005527 interface trap Effects 0.000 abstract description 2
- 238000003949 trap density measurement Methods 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229960003903 oxygen Drugs 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000427 thin-film deposition Methods 0.000 description 1
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Abstract
Description
Claims (7)
- 반도체 기판 상에 A1203박막을 증착하는 단계;상기 A1203박막에 Si 플라즈마 도핑을 실시하는 단계;상기 도핑된 A1203박막을 어닐링하여 A1203게이트 유전체막을 형성하는 단계; 및상기 A1203게이트 유전체막 상에 게이트 전극을 형성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 A1203박막은 화학기상증착법이나 단원자 증착법으로 Al(CH4)3, Al(CH3)2Cl, AlCl3중 어느 하나의 알루미늄 소오스 가스와, H2O, O2중 어느 하나의 옥시겐 소오스 가스를 사용하여, 150 내지 700℃의 증착 온도에서 형성하는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 A1203박막을 증착하기 전에 상기 반도체 기판과 상기 A1203박막의 계면 특성을 향상시키기 위하여 상기 반도체 기판을 세정한 후, Si02막을 3 내지 20Å의 두께로 형성하는 단계를 추가 하는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 3 항에 있어서,상기 SiO2막은 650 내지 900℃의 온도에서 습식 또는 건식방법으로 형성하거나, O2분위기 또는 N2O 분위기하의 상압 또는 0.1 내지 100Torr의 감압 상태에서 챔버의 온도를 700 내지 950℃로 한 급속 열 공정으로 형성하는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 Si 플라즈마 도핑은 Si Rf coil, SiH4, Si2H6, SiCl4중 어느 하나의 실리콘 소오스 가스를 이용하며, 캐소드에 음극 바이어스를 100 내지 2000 V 인가하여 100 eV 내지 2 kV의 에너지로 주입하고, 이온 유량을 1E14 내지 5E15 ions/cm2으로 조절하고, 전력을 0.1 내지 3 W/cm2를 사용하며, 가스 흐름비를 조절하여 이온화된 Si 도판트가 상기 A1203박막에 주입되도록 하는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 어닐링은 300 내지 550℃의 온도에서 UV/O3를 이용하여 3 내지 30분 처리하여 상기 A1203박막 내의 유기물을 제거하고, O2, N2, N2+H2, N2+D2, N2O 중 어느 하나의 분위기에서 650 내지 850℃의 온도로 10 내지 60분 동안 실시하는 것을 특징으로 하는 반도체 소자의 제조 방법.
- 제 1 항에 있어서,상기 게이트 전극은 폴리실리콘 구조, 텅스텐 폴리사이드, 티타늄 폴리사이드, 몰리브덴 폴리사이드, 코발트 폴리사이드 와과 같은 폴리사이드 구조, 텅스텐과 같은 금속 구조로 형성하는 것을 특징으로 하는 반도체 소자의 제조 방법.
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KR1019990065030A KR100320796B1 (ko) | 1999-12-29 | 1999-12-29 | 게이트 유전체막이 적용되는 반도체 소자의 제조 방법 |
US09/739,292 US6524918B2 (en) | 1999-12-29 | 2000-12-19 | Method for manufacturing a gate structure incorporating therein aluminum oxide as a gate dielectric |
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US7112543B2 (en) | 2001-01-04 | 2006-09-26 | Micron Technology, Inc. | Methods of forming assemblies comprising silicon-doped aluminum oxide |
JP3944367B2 (ja) * | 2001-02-06 | 2007-07-11 | 松下電器産業株式会社 | 絶縁膜の形成方法及び半導体装置の製造方法 |
US6858865B2 (en) * | 2001-02-23 | 2005-02-22 | Micron Technology, Inc. | Doped aluminum oxide dielectrics |
JP4091265B2 (ja) * | 2001-03-30 | 2008-05-28 | 株式会社東芝 | 半導体装置及びその製造方法 |
KR100755054B1 (ko) * | 2001-12-14 | 2007-09-06 | 주식회사 하이닉스반도체 | 반도체 소자의 게이트전극 형성방법 |
KR100467369B1 (ko) * | 2002-05-18 | 2005-01-24 | 주식회사 하이닉스반도체 | 수소배리어막 및 그를 구비한 반도체장치의 제조 방법 |
US20040029321A1 (en) * | 2002-08-07 | 2004-02-12 | Chartered Semiconductor Manufacturing Ltd. | Method for forming gate insulating layer having multiple dielectric constants and multiple equivalent oxide thicknesses |
US6833575B2 (en) * | 2002-08-29 | 2004-12-21 | Micron Technology, Inc. | Dopant barrier for doped glass in memory devices |
DE10240106A1 (de) * | 2002-08-30 | 2004-03-11 | Infineon Technologies Ag | Ausbildung einer elektrischen Verbindung zwischen Strkturen in einem Halbleitersubstrat |
US7258895B2 (en) | 2003-08-06 | 2007-08-21 | Micron Technology, Inc. | Methods of forming material on a substrate, and a method of forming a field effect transistor gate oxide on a substrate |
US7838871B2 (en) * | 2004-03-24 | 2010-11-23 | Samsung Mobile Display Co., Ltd. | Organic field-effect transistor, flat panel display device including the same, and a method of manufacturing the organic field-effect transistor |
US6933218B1 (en) * | 2004-06-10 | 2005-08-23 | Mosel Vitelic, Inc. | Low temperature nitridation of amorphous high-K metal-oxide in inter-gates insulator stack |
US7132337B2 (en) * | 2004-12-20 | 2006-11-07 | Infineon Technologies Ag | Charge-trapping memory device and method of production |
CN100408185C (zh) * | 2006-08-08 | 2008-08-06 | 南开大学 | 可见光区高活性氮掺杂纳米二氧化钛催化剂的制备方法 |
US8288222B2 (en) | 2009-10-20 | 2012-10-16 | International Business Machines Corporation | Application of cluster beam implantation for fabricating threshold voltage adjusted FETs |
US8441093B2 (en) | 2011-04-15 | 2013-05-14 | Excelitas Technologies Singapore Pte. Ltd. | Shared membrane thermopile sensor array |
US8778448B2 (en) | 2011-07-21 | 2014-07-15 | International Business Machines Corporation | Method of stabilizing hydrogenated amorphous silicon and amorphous hydrogenated silicon alloys |
US8962078B2 (en) | 2012-06-22 | 2015-02-24 | Tokyo Electron Limited | Method for depositing dielectric films |
US8653516B1 (en) * | 2012-08-31 | 2014-02-18 | Eastman Kodak Company | High performance thin film transistor |
US20140361407A1 (en) * | 2013-06-05 | 2014-12-11 | SCHMID Group | Silicon material substrate doping method, structure and applications |
RU2634326C2 (ru) * | 2015-12-01 | 2017-10-25 | Федеральное государственное бюджетное учреждение высшего образования "Воронежский государственный университет" (ФГБУ ВО ВГУ) | Способ получения нанопрофилированной ультратонкой пленки Al2O3 на поверхности пористого кремния |
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US3853496A (en) * | 1973-01-02 | 1974-12-10 | Gen Electric | Method of making a metal insulator silicon field effect transistor (mis-fet) memory device and the product |
US3900352A (en) * | 1973-11-01 | 1975-08-19 | Ibm | Isolated fixed and variable threshold field effect transistor fabrication technique |
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US6287965B1 (en) * | 1997-07-28 | 2001-09-11 | Samsung Electronics Co, Ltd. | Method of forming metal layer using atomic layer deposition and semiconductor device having the metal layer as barrier metal layer or upper or lower electrode of capacitor |
JP2000012796A (ja) * | 1998-06-19 | 2000-01-14 | Hitachi Ltd | 半導体装置ならびにその製造方法および製造装置 |
US6159874A (en) * | 1999-10-27 | 2000-12-12 | Infineon Technologies North America Corp. | Method of forming a hemispherical grained capacitor |
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KR20010065161A (ko) | 2001-07-11 |
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