KR100745987B1 - 반도체 소자의 트렌치 소자 분리 영역 제조 방법 - Google Patents
반도체 소자의 트렌치 소자 분리 영역 제조 방법 Download PDFInfo
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- KR100745987B1 KR100745987B1 KR1020050072792A KR20050072792A KR100745987B1 KR 100745987 B1 KR100745987 B1 KR 100745987B1 KR 1020050072792 A KR1020050072792 A KR 1020050072792A KR 20050072792 A KR20050072792 A KR 20050072792A KR 100745987 B1 KR100745987 B1 KR 100745987B1
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- 238000002955 isolation Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 53
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000004065 semiconductor Substances 0.000 title abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 54
- 238000011049 filling Methods 0.000 claims abstract description 25
- 238000005229 chemical vapour deposition Methods 0.000 claims abstract description 20
- 238000011068 loading method Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 150000004767 nitrides Chemical class 0.000 claims description 29
- 238000004544 sputter deposition Methods 0.000 claims description 10
- 230000007547 defect Effects 0.000 abstract description 18
- 239000010408 film Substances 0.000 description 81
- 239000007789 gas Substances 0.000 description 56
- 238000000151 deposition Methods 0.000 description 16
- 230000008021 deposition Effects 0.000 description 14
- 238000005429 filling process Methods 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 150000002500 ions Chemical group 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 238000004626 scanning electron microscopy Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- HSFWRNGVRCDJHI-UHFFFAOYSA-N Acetylene Chemical compound C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000000231 atomic layer deposition Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000004627 transmission electron microscopy Methods 0.000 description 2
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 1
- 229910017855 NH 4 F Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000005498 polishing Methods 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
- 238000003892 spreading Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
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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
- C23C16/04—Coating on selected surface areas, e.g. using masks
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Abstract
Description
제1히트업 | HDP 산화물라이너 | 제2 히트업 (시간/온도) | HDP 산화막 | |
실험예 1 | ○ | ○ | ○ (60-80초/400-450℃) | ○ |
실험예 2 | ○ | ○ | ○ (80-120초/450-550℃) | ○ |
비교예 1 | ○ | ○ | × | ○ |
Claims (40)
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- 트렌치가 형성된 기판을 고밀도 플라즈마(HDP) 화학기상증착 장치에 로딩하는 단계;상기 기판을 제1 히트 업하는 단계;상기 트렌치의 내벽과 바닥에 He HDP 산화막 라이너를 형성하는 단계;상기 기판을 제2 히트 업하는 단계;상기 트렌치 내부 갭을 충전하는 H2 HDP 산화막을 형성하는 단계; 및상기 기판을 상기 장치로부터 언로딩하는 단계를 포함하는 반도체 소자의 트 렌치 소자 분리 영역 제조 방법.
- 제15 항에 있어서, 상기 He HDP 산화막 라이너를 형성하는 단계시 제1 바이어스 파워가 인가되고 상기 H2 HDP 산화막을 형성하는 단계시 상기 제1 바이어스 파워보다 큰 제2 바이어스 파워가 인가되는 트렌치 소자 분리 영역 제조 방법.
- 제16 항에 있어서, 상기 제1 바이어스 파워는 500 내지 2000W인 트렌치 소자 분리 영역 제조 방법.
- 제16 항에 있어서, 상기 제2 바이어스 파워는 3000 내지 6000W인 트렌치 소자 분리 영역 제조 방법.
- 제15 항에 있어서, 상기 제1 히트 업 단계시 상기 기판의 온도는 300 내지 400℃로 히트 업되는 트렌치 소자 분리 영역 제조 방법.
- 제15 항에 있어서, 상기 He HDP 산화막 라이너를 형성하는 단계시 상기 기판의 온도는 300 내지 450℃인 트렌치 소자 분리 영역 제조 방법.
- 제15 항에 있어서, 상기 He HDP 산화막 라이너를 형성하는 시간은 상기 H2 HDP 산화막을 형성하는 시간의1/200 내지 1/10 시간인 트렌치 소자 분리 영역 제조 방법.
- 제15 항에 있어서, 상기 He HDP 산화물 라이너를 형성하는 단계는 1 내지 5초간 진행되는 트렌치 소자 분리 영역 제조 방법.
- 제15 항에 있어서, 상기 제2 히트 업 단계시 상기 기판의 온도는 400 내지 600℃로 히트 업되는 트렌치 소자 분리 영역 제조 방법.
- 제15 항에 있어서, 상기 제2 히트 업 단계는 50 내지 150초간 진행되는 트렌치 소자 분리 영역 제조 방법.
- 제15 항에 있어서, 상기 HDP 산화막을 형성하는 단계시 상기 기판의 온도는 600 내지 800℃인 트렌치 소자 분리 영역 제조 방법.
- 제15 항에 있어서, 상기 HDP 산화막을 형성하는 단계는 50 내지 200초간 진행되는 트렌치 소자 분리 영역 제조 방법.
- 제15 항에 있어서, 상기 트렌치 측벽에는 산화막과 질화물 라이너가 차례로 형성되어 있는 트렌치 소자 분리 영역 제조 방법.
- 트렌치가 형성된 기판을 고밀도 플라즈마(HDP) 화학기상증착 장치에 로딩하는 단계;상기 기판을 제1 히트 업하는 단계;상기 장치에 제1 바이어스 파워를 인가하여 상기 트렌치의 내벽과 바닥에 HDP 산화막 라이너를 형성하는 단계;상기 제1 바이어스 파워를 오프하고 상기 기판을 제2 히트 업하는 단계;H2을 스퍼터링 가스로 사용하며, 상기 제1 바이어스 파워보다 큰 제2 바이어스 파워를 인가하여 상기 트렌치 내부 갭을 충전하는 HDP 산화막을 형성하는 단계; 및상기 기판을 상기 장치로부터 언로딩하는 단계를 포함하는 반도체 소자의 트렌치 소자 분리 영역 제조 방법.
- 제28 항에 있어서, 상기 제1 히트 업 단계시 상기 기판의 온도는 300 내지 400℃로 히트 업되는 트렌치 소자 분리 영역 제조 방법.
- 제28 항에 있어서, 상기 HDP 산화막 라이너를 형성하는 단계시 상기 기판의 온도는 300 내지 450℃인 트렌치 소자 분리 영역 제조 방법.
- 제28 항에 있어서, 상기 제1 바이어스 파워는 500 내지 2000W인 트렌치 소자 분리 영역 제조 방법.
- 제28 항에 있어서, 상기 HDP 산화막 라이너를 형성하는 단계는 상기 HDP 산화막을 형성하는 단계의 1/200 내지 1/10 시간 동안 진행되는 트렌치 소자 분리 영역 제조 방법.
- 제28 항에 있어서, 상기 HDP 산화막 라이너를 형성하는 단계는 1 내지 5초간 진행되는 트렌치 소자 분리 영역 제조 방법.
- 제28 항에 있어서, 상기 HDP 산화막 라이너를 형성하는 단계는 He을 스퍼터링 가스로 사용하는 트렌치 소자 분리 영역 제조 방법.
- 제28 항에 있어서, 상기 제2 히트 업 단계시 상기 기판의 온도는 400 내지 600℃로 히트 업되는 트렌치 소자 분리 영역 제조 방법.
- 제28 항에 있어서, 상기 제2 히트 업 단계는 50 내지 150초간 진행되는 트렌치 소자 분리 영역 제조 방법.
- 제28 항에 있어서, 상기 HDP 산화막을 형성하는 단계시 상기 기판의 온도는 600 내지 800℃인 트렌치 소자 분리 영역 제조 방법.
- 제28 항에 있어서, 상기 제2 바이어스 파워는 3000 내지 6000W인 트렌치 소자 분리 영역 제조 방법.
- 제28 항에 있어서, 상기 HDP 산화막을 형성하는 단계는 50 내지 200초간 진행하는 트렌치 소자 분리 영역 제조 방법.
- 제28 항에 있어서, 상기 트렌치 측벽에는 산화막과 질화물 라이너가 차례로 형성되어 있는 트렌치 소자 분리 영역 제조 방법.
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US11/498,667 US7608519B2 (en) | 2005-08-09 | 2006-08-03 | Method of fabricating trench isolation of semiconductor device |
DE102006037710.9A DE102006037710B4 (de) | 2005-08-09 | 2006-08-08 | Verfahren zur Herstellung einer Grabenisolation eines Halbleiterbauelements |
TW095129175A TWI323496B (en) | 2005-08-09 | 2006-08-09 | Method of fabricating trench isolation of semiconductor device |
JP2006217339A JP2007049162A (ja) | 2005-08-09 | 2006-08-09 | 半導体素子のトレンチ素子分離領域製造方法 |
CN2006101515689A CN1913123B (zh) | 2005-08-09 | 2006-08-09 | 制造半导体器件的沟槽隔离的方法 |
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US8936995B2 (en) * | 2006-03-01 | 2015-01-20 | Infineon Technologies Ag | Methods of fabricating isolation regions of semiconductor devices and structures thereof |
KR101046376B1 (ko) * | 2007-08-31 | 2011-07-05 | 주식회사 하이닉스반도체 | 반도체 소자의 소자분리막 형성방법 |
KR20090050899A (ko) * | 2007-11-16 | 2009-05-20 | 주식회사 동부하이텍 | 반도체 소자의 제조 방법 |
US20090184402A1 (en) * | 2008-01-22 | 2009-07-23 | United Microelectronics Corp. | Method of fabricating a shallow trench isolation structure including forming a second liner covering the corner of the trench and first liner. |
US8034691B2 (en) | 2008-08-18 | 2011-10-11 | Macronix International Co., Ltd. | HDP-CVD process, filling-in process utilizing HDP-CVD, and HDP-CVD system |
CN102314099B (zh) * | 2010-07-08 | 2013-07-31 | 中芯国际集成电路制造(上海)有限公司 | 去除晶片上的光刻胶层的方法 |
CN102509711B (zh) * | 2011-11-10 | 2013-11-13 | 上海华力微电子有限公司 | 一种检测浅沟槽隔离缺陷的方法 |
CN104835775B (zh) * | 2014-02-08 | 2018-01-30 | 中芯国际集成电路制造(上海)有限公司 | 一种浅沟道隔离结构的制备方法 |
US9828672B2 (en) | 2015-03-26 | 2017-11-28 | Lam Research Corporation | Minimizing radical recombination using ALD silicon oxide surface coating with intermittent restoration plasma |
US10023956B2 (en) * | 2015-04-09 | 2018-07-17 | Lam Research Corporation | Eliminating first wafer metal contamination effect in high density plasma chemical vapor deposition systems |
CN106098584B (zh) * | 2016-08-22 | 2018-08-10 | 上海华力微电子有限公司 | 一种检测浅沟槽隔离区空洞缺陷的方法 |
CN113436961A (zh) * | 2021-06-24 | 2021-09-24 | 西安奕斯伟硅片技术有限公司 | 氧化膜生成方法 |
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CN1913123B (zh) | 2010-12-01 |
KR20070018281A (ko) | 2007-02-14 |
US20070037348A1 (en) | 2007-02-15 |
DE102006037710A1 (de) | 2007-04-05 |
TW200707636A (en) | 2007-02-16 |
TWI323496B (en) | 2010-04-11 |
DE102006037710B4 (de) | 2017-04-06 |
JP2007049162A (ja) | 2007-02-22 |
CN1913123A (zh) | 2007-02-14 |
US7608519B2 (en) | 2009-10-27 |
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