KR100791197B1 - 유전체막의 형성 방법, 반도체 장치의 제조 방법 및 반도체 장치 - Google Patents
유전체막의 형성 방법, 반도체 장치의 제조 방법 및 반도체 장치 Download PDFInfo
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- 150000004760 silicates Chemical class 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 11
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- 229910001882 dioxygen Inorganic materials 0.000 description 3
- -1 oxygen radicals Chemical class 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 229910018557 Si O Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
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- 230000007704 transition Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910004129 HfSiO Inorganic materials 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229910007991 Si-N Inorganic materials 0.000 description 1
- 229910006294 Si—N Inorganic materials 0.000 description 1
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Abstract
Description
Claims (23)
- 기판 표면에 고K 유전체막을 형성하는 형성방법으로서,상기 기판 표면에 상기 고K 유전체막을 복수회로 나누어 형성하는 공정, 및상기 복수회로 나누어 행하는 상기 고K 유전체막의 각각의 형성 공정에 있어서, 형성된 상기 고K 유전체막을 질소 분위기 중에서 개질시키는 처리 공정을 포함하는 것을 특징으로 하는 고K 유전체막의 형성 방법.
- 삭제
- 제1항에 있어서, 상기 분위기가 Si 화합물의 기상 분자를 더 포함하는 것을 특징으로 하는 고K 유전체막의 형성 방법.
- 제1항에 있어서, 상기 처리 공정에 있어서 상기 분위기에 산소, NO, O3, SiH4, Si2H6, NH3, H2 및 He로 이루어지는 군으로부터 선택되는 하나 또는 복수의 가스가 추가로 첨가되는 것을 특징으로 하는 고K 유전체막의 형성 방법.
- 제1항에 있어서, 상기 처리 공정이 열처리 공정을 포함하는 것을 특징으로 하는 고K 유전체막의 형성 방법.
- 삭제
- 삭제
- 제1항에 있어서, 상기 처리 공정이 플라즈마 처리 공정을 포함하는 것을 특징으로 하는 고K 유전체막의 형성 방법.
- 제8항에 있어서, 상기 플라즈마 처리 공정은, 상기 고K 유전체막을 질소 라디칼에 노출시키는 공정을 포함하는 것을 특징으로 하는 고K 유전체막의 형성 방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 기판, 상기 기판 상에 형성된 고K 유전체 게이트 절연막, 상기 고K 유전체 게이트 절연막 상에 형성된 게이트 전극, 및 상기 기판 중 상기 게이트 전극의 양측에 형성된 한쌍의 확산 영역을 구비하는 반도체 장치의 제조 방법이며,상기 기판 상에 고K 유전체 게이트 절연막을 복수회로 나누어 형성하는 공정, 및상기 복수회로 나누어 행하는 각각의 고K 유전체막의 형성 공정에 있어서, 형성된 고K 유전체막을 질소 분위기 중에서 개질시키는 처리 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 삭제
- 삭제
- 기판,상기 기판 상에 형성된 고K 유전체 게이트 절연막,상기 고K 유전체 게이트 절연막 상에 형성된 게이트 전극, 및상기 기판 중 상기 게이트 전극의 양측에 형성된 한쌍의 확산 영역을 구비한 반도체 장치로서,상기 고K 유전체 게이트 절연막은 고K 유전체 분자층과 SiON 분자층을 반복적으로 적층한 구조를 갖는 것을 특징으로 하는 반도체 장치.
- 제19항에 있어서, 상기 고K 유전체 분자층은, 금속 산화물, 전이 금속 산화물, 희토류 산화물, 전이 금속 또는 희토류 금속의 실리케이트 및 전이 금속 또는 희토류 금속의 알루미네이트 중 어느 것으로부터 선택되는 것을 특징으로 하는 반도체 장치.
- 제1항에 있어서, 상기 고K 유전체막은, 금속 산화물, 전이 금속 산화물, 희토류 산화물, 전이 금속 또는 희토류 금속의 실리케이트 및 전이 금속 또는 희토류 금속의 알루미네이트 중 어느 것으로부터 선택되는 것을 특징으로 하는 고K 유전체막의 형성 방법.
- 제1항에 있어서, 상기 복수회로 나누어 행하는 상기 고K 유전체막의 각각의 형성 공정에 있어서, 상기 고K 유전체막은 2-3원자층의 막 두께로 형성되는 것을 특징으로 하는 고K 유전체막의 형성 방법.
- 제1항에 있어서, 상기 개질시키는 처리 공정은, 상기 고K 유전체막을 결정화시키는 공정인 것을 특징으로 하는 고K 유전체막의 형성 방법.
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WO1997040533A1 (en) * | 1996-04-23 | 1997-10-30 | Kabushiki Kaisha Toshiba | Insulating film for use in semiconductor device |
US6348420B1 (en) | 1999-12-23 | 2002-02-19 | Asm America, Inc. | Situ dielectric stacks |
US20020105048A1 (en) * | 2001-02-06 | 2002-08-08 | Sanyo Electric Co., Ltd. | Dielectric element including oxide dielectric film and method of manufacturing the same |
US20020106536A1 (en) * | 2001-02-02 | 2002-08-08 | Jongho Lee | Dielectric layer for semiconductor device and method of manufacturing the same |
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WO1997040533A1 (en) * | 1996-04-23 | 1997-10-30 | Kabushiki Kaisha Toshiba | Insulating film for use in semiconductor device |
US6348420B1 (en) | 1999-12-23 | 2002-02-19 | Asm America, Inc. | Situ dielectric stacks |
US20020106536A1 (en) * | 2001-02-02 | 2002-08-08 | Jongho Lee | Dielectric layer for semiconductor device and method of manufacturing the same |
US20020105048A1 (en) * | 2001-02-06 | 2002-08-08 | Sanyo Electric Co., Ltd. | Dielectric element including oxide dielectric film and method of manufacturing the same |
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