KR100282709B1 - 반구형 실리콘을 이용한 캐패시터의 제조 방법 - Google Patents
반구형 실리콘을 이용한 캐패시터의 제조 방법 Download PDFInfo
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- KR100282709B1 KR100282709B1 KR1019980035279A KR19980035279A KR100282709B1 KR 100282709 B1 KR100282709 B1 KR 100282709B1 KR 1019980035279 A KR1019980035279 A KR 1019980035279A KR 19980035279 A KR19980035279 A KR 19980035279A KR 100282709 B1 KR100282709 B1 KR 100282709B1
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- South Korea
- Prior art keywords
- hsg
- film
- insulating film
- storage node
- forming
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- 239000003990 capacitor Substances 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 229910052710 silicon Inorganic materials 0.000 title description 39
- 239000010703 silicon Substances 0.000 title description 39
- 238000000034 method Methods 0.000 claims abstract description 152
- 230000008569 process Effects 0.000 claims abstract description 88
- 238000003860 storage Methods 0.000 claims abstract description 52
- 238000000137 annealing Methods 0.000 claims abstract description 43
- 239000002344 surface layer Substances 0.000 claims abstract description 25
- 239000010410 layer Substances 0.000 claims abstract description 24
- 238000002425 crystallisation Methods 0.000 claims abstract description 15
- 230000008025 crystallization Effects 0.000 claims abstract description 15
- 239000013078 crystal Substances 0.000 claims abstract description 11
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 20
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- 239000011229 interlayer Substances 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 13
- 238000005530 etching Methods 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 12
- 239000004065 semiconductor Substances 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 150000004767 nitrides Chemical class 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims 3
- 238000011105 stabilization Methods 0.000 claims 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims 2
- 238000000059 patterning Methods 0.000 claims 2
- 239000002245 particle Substances 0.000 abstract description 54
- 238000004140 cleaning Methods 0.000 abstract description 28
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 52
- 229910021417 amorphous silicon Inorganic materials 0.000 description 25
- 238000010899 nucleation Methods 0.000 description 21
- 230000006911 nucleation Effects 0.000 description 20
- 210000003739 neck Anatomy 0.000 description 19
- 239000012535 impurity Substances 0.000 description 16
- 238000000151 deposition Methods 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 12
- 230000008021 deposition Effects 0.000 description 10
- 230000012010 growth Effects 0.000 description 10
- 239000000243 solution Substances 0.000 description 7
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 238000005468 ion implantation Methods 0.000 description 3
- 239000013081 microcrystal Substances 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 229910021419 crystalline silicon Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910017855 NH 4 F Inorganic materials 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 1
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000001552 radio frequency sputter deposition Methods 0.000 description 1
- 230000034655 secondary growth Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B99/00—Subject matter not provided for in other groups of this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
- H10D1/692—Electrodes
- H10D1/711—Electrodes having non-planar surfaces, e.g. formed by texturisation
- H10D1/712—Electrodes having non-planar surfaces, e.g. formed by texturisation being rough surfaces, e.g. using hemispherical grains
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/964—Roughened surface
Landscapes
- Semiconductor Memories (AREA)
Abstract
Description
Claims (14)
- 반도체 기판 상에 층간 절연막을 형성하는 단계;상기 층간 절연막을 부분적으로 식각하여 콘택홀을 형성하는 단계;상기 콘택홀을 완전히 채우면서 층간절연막 상에 도전층을 형성하는 단계;상기 도전층을 패터닝하여 스토리지 노드를 형성하는 단계;상기 층간 절연막 상부에 노출된 스토리지 노드의 표면상에 HSG막을 형성하는 단계; 및상기 스토리지 노드의 표면층과 상기 HSG막의 목부분의 결정 상태를 안정화시키는 단계를 포함하는 디램 셀 캐패시터의 제조 방법.
- 제 1 항에 있어서,상기 결정 상태 안정화 공정은 산소분위기의 어닐링에 의해 수행되는 디램 셀 캐패시터의 제조 방법.
- 제 2 항에 있어서,상기 어닐링 공정은 600℃이상의 온도에서 수행되는 디램 셀 캐패시터의 제조 방법.
- 제 1 항에 있어서,상기 어닐링 공정을 수행하기 전에 상기 HSG막 및 스토리지 노드 표면상에 절연막을 형성하는 단계를 더 포함하는 디램 셀 캐패시터의 제조 방법.
- 제 4 항에 있어서,상기 절연막은 진공 브레이크(vacuum brake)방법으로 형성되는 자연 산화막인 디램 셀 캐패시터의 제조 방법.
- 제 4 항에 있어서,상기 절연막은 산화막, 질화막, Ta2O5, TiO2으로 이루어진 그룹중에서 선택된 하나인 디램 셀 캐패시터의 제조 방법.
- 제 4 항에 있어서,상기 절연막은 진공 브레이크 방법으로 형성된 자연 산화막이고, 그리고 상기 자연 산화막 형성후 실행되는 상기 결정화 상태 안정화 공정은 아르곤 가스 및 질소 가스로 이루어진 그룹중에서 선택된 하나인 디램 셀 캐패시터의 제조 방법.
- 반도체 기판 상에 층간 절연막을 형성하는 단계;상기 층간 절연막을 부분적으로 식각하여 콘택홀을 형성하는 단계;상기 콘택홀을 완전히 채우면서 층간절연막 상에 도전층을 형성하는 단계;상기 도전층을 패터닝하여 스토리지 노드를 형성하는 단계;상기 스토리지 노드의 표면에 HSG막을 형성하되, 이 HSG막과 스토리지 노드는 비정질 영역의 벌크와, 비정질 영역 천이영역을 포함하는 표면층 및, 결정 영역으로 이루어지게 하는 단계; 그리고상기 비정질 영역의 천이영역을 포함하는 표면층을 결정화하는 단계를 포함하는 디램 셀 캐패시터의 제조 방법.
- 제 8 항에 있어서,상기 결정화 공정은 산소분위기의 어닐링 공정에 의해 수행되는 디램 셀 캐패시터의 제조 방법.
- 제 8 항에 있어서,상기 어닐링 공정은 600℃이상의 온도에서 수행되는 디램 셀 캐패시터의 제조 방법.
- 제 8 항에 있어서,상기 어닐링 공정을 수행하기 전에 상기 HSG막 및 스토리지 노드 표면상에 절연막을 형성하는 단계를 더 포함하는 디램 셀 캐패시터의 제조 방법.
- 제 11 항에 있어서,상기 절연막은 진공 브레이크(vacuum brake)방법으로 형성되는 자연 산화막인 디램 셀 캐패시터의 제조 방법.
- 제 11 항에 있어서,상기 절연막은 산화막, 질화막, Ta2O5, TiO2으로 이루어진 그룹중에서 선택된 하나인 디램 셀 캐패시터의 제조 방법.
- 제 11 항에 있어서,상기 절연막은 진공 브레이크 방법으로 형성된 자연 산화막이고, 그리고 상기 자연 산화막 형성후 실행되는 상기 결정화 상태 안정화 공정은 아르곤 가스 및 질소 가스로 이루어진 그룹중에서 선택된 하나인 디램 셀 캐패시터의 제조 방법.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980035279A KR100282709B1 (ko) | 1998-08-28 | 1998-08-28 | 반구형 실리콘을 이용한 캐패시터의 제조 방법 |
TW088105919A TW418528B (en) | 1998-08-28 | 1999-04-14 | Method for fabricating a capacitor utilizing hemispherical grain silicon |
GB9909306A GB2341725B (en) | 1998-08-28 | 1999-04-22 | Method for fabricating a capacitor utilizing hemispherical grain silicon |
DE19929605A DE19929605B4 (de) | 1998-08-28 | 1999-06-28 | Verfahren zur Herstellung eines Kondensators unter Verwendung von Silizium mit halbkugelförmigen Körnchen |
CNB991095480A CN1148799C (zh) | 1998-08-28 | 1999-07-08 | 形成dram单元电容器的方法 |
NL1012544A NL1012544C2 (nl) | 1998-08-28 | 1999-07-08 | Werkwijze ter vervaardiging van een condensator onder toepassing van halfbolvormig korrelvormig silicium. |
FR9909235A FR2782844B1 (fr) | 1998-08-28 | 1999-07-16 | Procede de fabrication d'un condensateur en utilisant du silicium sous forme de grains hemispheriques |
US09/378,682 US6333227B1 (en) | 1998-08-28 | 1999-08-20 | Methods of forming hemispherical grain silicon electrodes by crystallizing the necks thereof |
JP23845599A JP3750976B2 (ja) | 1998-08-28 | 1999-08-25 | Dramセルキャパシタの製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1019980035279A KR100282709B1 (ko) | 1998-08-28 | 1998-08-28 | 반구형 실리콘을 이용한 캐패시터의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000015401A KR20000015401A (ko) | 2000-03-15 |
KR100282709B1 true KR100282709B1 (ko) | 2001-03-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019980035279A KR100282709B1 (ko) | 1998-08-28 | 1998-08-28 | 반구형 실리콘을 이용한 캐패시터의 제조 방법 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6333227B1 (ko) |
JP (1) | JP3750976B2 (ko) |
KR (1) | KR100282709B1 (ko) |
CN (1) | CN1148799C (ko) |
DE (1) | DE19929605B4 (ko) |
FR (1) | FR2782844B1 (ko) |
GB (1) | GB2341725B (ko) |
NL (1) | NL1012544C2 (ko) |
TW (1) | TW418528B (ko) |
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KR100360399B1 (ko) * | 2000-03-07 | 2002-11-13 | 삼성전자 주식회사 | 반구형입자(hsg)막을 구비한 반도체소자의 제조방법 |
JP2002124650A (ja) * | 2000-10-17 | 2002-04-26 | Hitachi Ltd | 半導体集積回路装置の製造方法 |
KR20020058295A (ko) * | 2000-12-29 | 2002-07-12 | 박종섭 | 반도체소자의 제조방법 |
JP4282245B2 (ja) * | 2001-01-31 | 2009-06-17 | 富士通株式会社 | 容量素子及びその製造方法並びに半導体装置 |
KR100434489B1 (ko) | 2001-03-22 | 2004-06-05 | 삼성전자주식회사 | 루테늄 산화막 씨딩층을 포함하는 루테늄막 증착 방법 |
US7700454B2 (en) * | 2001-07-24 | 2010-04-20 | Samsung Electronics Co., Ltd. | Methods of forming integrated circuit electrodes and capacitors by wrinkling a layer that includes a high percentage of impurities |
US20030020122A1 (en) * | 2001-07-24 | 2003-01-30 | Joo Jae Hyun | Methods of forming integrated circuit electrodes and capacitors by wrinkling a layer that includes a noble metal oxide, and integrated circuit electrodes and capacitors fabricated thereby |
KR100464648B1 (ko) * | 2002-03-13 | 2005-01-03 | 주식회사 하이닉스반도체 | 캐패시터 형성 방법 |
US6881622B2 (en) * | 2002-05-30 | 2005-04-19 | Taiwan Semiconductor Manufacturing Co., Ltd | Aqueous ammonium hydroxide amorphous silicon etch method for forming microelectronic capacitor structure |
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1998
- 1998-08-28 KR KR1019980035279A patent/KR100282709B1/ko not_active IP Right Cessation
-
1999
- 1999-04-14 TW TW088105919A patent/TW418528B/zh not_active IP Right Cessation
- 1999-04-22 GB GB9909306A patent/GB2341725B/en not_active Expired - Fee Related
- 1999-06-28 DE DE19929605A patent/DE19929605B4/de not_active Expired - Fee Related
- 1999-07-08 CN CNB991095480A patent/CN1148799C/zh not_active Expired - Fee Related
- 1999-07-08 NL NL1012544A patent/NL1012544C2/nl not_active IP Right Cessation
- 1999-07-16 FR FR9909235A patent/FR2782844B1/fr not_active Expired - Fee Related
- 1999-08-20 US US09/378,682 patent/US6333227B1/en not_active Expired - Fee Related
- 1999-08-25 JP JP23845599A patent/JP3750976B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2341725B (en) | 2003-07-23 |
FR2782844B1 (fr) | 2005-04-15 |
NL1012544C2 (nl) | 2004-05-26 |
GB2341725A (en) | 2000-03-22 |
DE19929605A1 (de) | 2000-03-09 |
JP3750976B2 (ja) | 2006-03-01 |
US6333227B1 (en) | 2001-12-25 |
NL1012544A1 (nl) | 2000-02-29 |
DE19929605B4 (de) | 2006-08-10 |
GB9909306D0 (en) | 1999-06-16 |
JP2000091542A (ja) | 2000-03-31 |
FR2782844A1 (fr) | 2000-03-03 |
TW418528B (en) | 2001-01-11 |
CN1246726A (zh) | 2000-03-08 |
CN1148799C (zh) | 2004-05-05 |
KR20000015401A (ko) | 2000-03-15 |
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