KR100796915B1 - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
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- KR100796915B1 KR100796915B1 KR1020020086672A KR20020086672A KR100796915B1 KR 100796915 B1 KR100796915 B1 KR 100796915B1 KR 1020020086672 A KR1020020086672 A KR 1020020086672A KR 20020086672 A KR20020086672 A KR 20020086672A KR 100796915 B1 KR100796915 B1 KR 100796915B1
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- Prior art keywords
- insulating film
- film
- capacitor
- protective insulating
- forming
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 82
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 43
- 239000003990 capacitor Substances 0.000 claims abstract description 273
- 230000001681 protective effect Effects 0.000 claims abstract description 164
- 238000000034 method Methods 0.000 claims abstract description 95
- 239000000758 substrate Substances 0.000 claims abstract description 64
- 238000005229 chemical vapour deposition Methods 0.000 claims abstract description 26
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 23
- 238000000059 patterning Methods 0.000 claims description 16
- 238000005498 polishing Methods 0.000 claims description 16
- 239000012495 reaction gas Substances 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910003902 SiCl 4 Inorganic materials 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 41
- 229910052710 silicon Inorganic materials 0.000 abstract description 41
- 239000010703 silicon Substances 0.000 abstract description 41
- 230000006866 deterioration Effects 0.000 abstract description 13
- 239000011229 interlayer Substances 0.000 description 73
- 239000012535 impurity Substances 0.000 description 36
- 239000001257 hydrogen Substances 0.000 description 32
- 229910052739 hydrogen Inorganic materials 0.000 description 32
- 239000007789 gas Substances 0.000 description 25
- 230000015572 biosynthetic process Effects 0.000 description 23
- 238000009792 diffusion process Methods 0.000 description 22
- 239000010936 titanium Substances 0.000 description 22
- 238000004544 sputter deposition Methods 0.000 description 21
- 150000002500 ions Chemical class 0.000 description 20
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 20
- 238000005530 etching Methods 0.000 description 19
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 17
- 239000012298 atmosphere Substances 0.000 description 17
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 16
- 239000010410 layer Substances 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 16
- 239000002184 metal Substances 0.000 description 16
- 229910004298 SiO 2 Inorganic materials 0.000 description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 229910052814 silicon oxide Inorganic materials 0.000 description 15
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 13
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 13
- 229910052721 tungsten Inorganic materials 0.000 description 13
- 239000010937 tungsten Substances 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 239000001301 oxygen Substances 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 12
- -1 hydrogen ions Chemical class 0.000 description 11
- 238000000137 annealing Methods 0.000 description 10
- 238000000206 photolithography Methods 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 208000005156 Dehydration Diseases 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 8
- 230000018044 dehydration Effects 0.000 description 8
- 238000006297 dehydration reaction Methods 0.000 description 8
- 239000003292 glue Substances 0.000 description 8
- 238000002955 isolation Methods 0.000 description 8
- 229910052581 Si3N4 Inorganic materials 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 230000003064 anti-oxidating effect Effects 0.000 description 6
- 230000002542 deteriorative effect Effects 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 150000002431 hydrogen Chemical class 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 229910000077 silane Inorganic materials 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 229910052797 bismuth Inorganic materials 0.000 description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 3
- 239000012159 carrier gas Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 3
- 229910052741 iridium Inorganic materials 0.000 description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 3
- 229910052746 lanthanum Inorganic materials 0.000 description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 3
- 238000009832 plasma treatment Methods 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910000457 iridium oxide Inorganic materials 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910021332 silicide Inorganic materials 0.000 description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 2
- ANIPLPVHLCEBLF-UHFFFAOYSA-N strontium oxygen(2-) ruthenium(3+) Chemical compound [Ru+3].[O-2].[Sr+2] ANIPLPVHLCEBLF-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 2
- 229910021342 tungsten silicide Inorganic materials 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 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
- 229910004121 SrRuO Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Inorganic materials [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- NXHILIPIEUBEPD-UHFFFAOYSA-H tungsten hexafluoride Chemical compound F[W](F)(F)(F)(F)F NXHILIPIEUBEPD-UHFFFAOYSA-H 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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- H10B—ELECTRONIC MEMORY DEVICES
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02126—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
- H01L21/0214—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC the material being a silicon oxynitride, e.g. SiON or SiON:H
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- H01L21/02107—Forming insulating materials on a substrate
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- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02164—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon oxide, e.g. SiO2
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- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/0217—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
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- H01L21/02186—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing titanium, e.g. TiO2
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- H01L21/02104—Forming layers
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- H01L21/022—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being a laminate, i.e. composed of sublayers, e.g. stacks of alternating high-k metal oxides
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- H01L21/02104—Forming layers
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Abstract
Description
Claims (10)
- 반도체 기판의 상방에 형성된 제1 절연막과,하부 전극, 유전체막, 및 상부 전극을 상기 제1 절연막 위에 순서대로 형성하여 이루어지는 캐패시터와,상기 유전체막과 상기 상부 전극을 피복하는 제1 캐패시터 보호 절연막과,상기 제1 캐패시터 보호 절연막 위에 형성된 제2 캐패시터 보호 절연막과,상기 제2 캐패시터 보호 절연막 위에 형성된 제2 절연막을 포함하고,상기 제2 캐패시터 보호 절연막의 탄소 함유량이, 상기 제2 절연막의 탄소 함유량보다도 많은 것을 특징으로 하는 반도체 장치.
- 반도체 기판의 상방에 제1 절연막을 형성하는 공정과,상기 제1 절연막 위에, 순서대로 제1 도전막, 강유전체막, 및 제2 도전막을 형성하는 공정과,상기 제2 도전막을 패터닝하여 캐패시터의 상부 전극을 형성하는 공정과,상기 강유전체막을 패터닝하여 캐패시터의 유전체막을 형성하는 공정과,상기 제1 도전막을 패터닝하여 캐패시터의 하부 전극을 형성하는 공정과,상기 유전체막과 상기 상부 전극을 피복하는 제1 캐패시터 보호 절연막을 형성하는 공정과,상기 제1 캐패시터 보호 절연막을 피복하는 제2 캐패시터 보호 절연막을, 상기 반도체 기판에 바이어스 전압을 인가하지 않은 상태에서 화학적 기상 성장법에 의해 형성하는 공정과,상기 제2 캐패시터 보호 절연막 위에, 상기 반도체 기판에 바이어스 전압을 인가한 상태에서 화학적 기상 성장법에 의해 제2 절연막을 형성하는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제2항에 있어서,상기 제1 캐패시터 보호 절연막을 형성하는 공정은, 상기 반도체 기판에 바이어스 전압이 인가되지 않은 상태에서 행해지는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제2항 또는 제3항에 있어서,상기 제2 캐패시터 보호 절연막을 형성하는 공정은, 상기 제2 절연막을 형성하는 공정보다도 높은 압력 속에서 행해지는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제2항 또는 제3항에 있어서,상기 제2 캐패시터 보호 절연막을 형성하는 공정에서의 플라즈마 밀도는, 상기 제2 절연막을 형성하는 공정에서의 플라즈마 밀도보다도 낮은 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제2항 또는 제3항에 있어서,상기 제2 캐패시터 보호 절연막을 형성하는 공정은, TEOS를 포함하는 반응 가스를 사용하는 화학적 기상 성장법에 의해 행해지는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제2항 또는 제3항에 있어서,상기 제2 절연막을 형성하는 공정은, SiH4, Si2H6, Si3H8 및 SiCl4 중 어느 하나를 포함하는 반응 가스를 사용하는 화학적 기상 성장법에 의해 행해지는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제2항 또는 제3항에 있어서,상기 제1 캐패시터 보호 절연막을 형성하는 공정은,상기 유전체막과 상기 상부 전극을 피복하는 하층 보호 절연막을 상기 제1 도전막 위에 형성하는 공정과,상기 하층 보호 절연막을 패터닝하여 적어도 상기 유전체막 위와 상기 상부 전극 위에 남기는 공정과,상기 제1 절연막 위와 상기 하층 보호 절연막 위에 상층 보호 절연막을 형성하여, 상기 상층 보호막과 상기 하층 보호막을 상기 제1 캐패시터 보호 절연막으로서 적용하는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제2항 또는 제3항에 있어서,상기 캐패시터가 복수 형성되고,상기 제1 캐패시터 보호 절연막과 제2 캐패시터 보호 절연막과의 합계 막 두께는, 복수의 상기 상부 전극의 최소 간격의 반 이하인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제2항 또는 제3항에 있어서,상기 제2 절연막을 형성하는 공정은,상기 제2 절연막 위에 제3 절연막을 형성하는 공정과,상기 제2 절연막과 상기 제3 절연막을 연마하여 표면을 평탄화하는 공정을 더 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
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JP4887802B2 (ja) * | 2006-01-26 | 2012-02-29 | 富士通セミコンダクター株式会社 | 半導体装置とその製造方法 |
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EP1347499A2 (en) | 2003-09-24 |
TWI234201B (en) | 2005-06-11 |
JP2003273332A (ja) | 2003-09-26 |
JP4090766B2 (ja) | 2008-05-28 |
EP1347499A3 (en) | 2006-05-10 |
EP1975978A2 (en) | 2008-10-01 |
US20040089894A1 (en) | 2004-05-13 |
US20030178663A1 (en) | 2003-09-25 |
TW200304677A (en) | 2003-10-01 |
EP1975978B1 (en) | 2014-12-17 |
KR20030076216A (ko) | 2003-09-26 |
US6673672B2 (en) | 2004-01-06 |
US7528432B2 (en) | 2009-05-05 |
EP1975978A3 (en) | 2013-08-14 |
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