KR100769136B1 - 반도체 장치의 게이트 유전막 형성 방법 - Google Patents
반도체 장치의 게이트 유전막 형성 방법 Download PDFInfo
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- KR100769136B1 KR100769136B1 KR1020050080733A KR20050080733A KR100769136B1 KR 100769136 B1 KR100769136 B1 KR 100769136B1 KR 1020050080733 A KR1020050080733 A KR 1020050080733A KR 20050080733 A KR20050080733 A KR 20050080733A KR 100769136 B1 KR100769136 B1 KR 100769136B1
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- Prior art keywords
- film
- insulating film
- transition metal
- semiconductor substrate
- forming
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 150000004767 nitrides Chemical class 0.000 claims abstract description 17
- 229910000314 transition metal oxide Inorganic materials 0.000 claims abstract description 11
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 10
- 150000003624 transition metals Chemical class 0.000 claims abstract description 10
- 238000004544 sputter deposition Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims 2
- 230000001590 oxidative effect Effects 0.000 claims 1
- 230000001172 regenerating effect Effects 0.000 claims 1
- 239000002019 doping agent Substances 0.000 abstract description 12
- 239000007789 gas Substances 0.000 abstract description 11
- 239000003990 capacitor Substances 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 18
- 229920002120 photoresistant polymer Polymers 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000003949 trap density measurement Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28035—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities
- H01L21/28044—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer
- H01L21/28061—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer the conductor comprising a metal or metal silicide formed by deposition, e.g. sputter deposition, i.e. without a silicidation reaction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28194—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation by deposition, e.g. evaporation, ALD, CVD, sputtering, laser deposition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28568—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table the conductive layers comprising transition metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Semiconductor Memories (AREA)
- Formation Of Insulating Films (AREA)
Abstract
Description
Claims (7)
- 단위 소자의 동작 전압에 따라 저전압 영역, 중간전압 영역 및 고전압 영역으로 구분된 반도체 기판상에 제 1 절연막을 증착하는 단계;상기 반도체 기판의 소정 영역이 노출되도록 상기 제 1 절연막의 일부분을 제거하여 상기 고전압 영역의 상부 면에 제 1 절연막을 형성하는 단계;상기 노출된 반도체 기판에 제 2 절연막을 증착하는 단계;상기 반도체 기판의 소정 영역이 노출되도록 상기 제 2 절연막의 일부분을 제거하여 상기 중간전압 영역의 상부 면에 제 2 절연막을 형성하는 단계;포밍가스를 이용하여 300℃ 내지 500℃에서 상기 노출된 반도체 기판, 상기 제 1 절연막 및 상기 제 2 절연막 상에 질화막을 형성하는 단계;상기 질화막 상에 전이금속층을 형성하는 단계; 및상기 전이금속층을 재산화하여 전이금속계 산화막을 형성하는 단계를 포함하는 게이트 유전막 형성 방법.
- 제 1 항에 있어서,상기 전이금속층은 스퍼터링 방법을 이용하여 증착하는 것을 특징으로 하는 게이트 유전막 형성 방법.
- 삭제
- 삭제
- 제 1 항에 있어서,상기 제 1 절연막 및 제 2 절연막은 반도체 기판을 열산화하여 형성하는 것을 특징으로 하는 게이트 유전막 형성 방법.
- 삭제
- 제 1 항에 있어서,상기 전이금속계 산화막을 형성하는 단계는 급속열산화 방법을 이용하여 상기 전이금속을 재산화하는 것을 특징으로 하는 게이트 유전막 형성 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050080733A KR100769136B1 (ko) | 2005-08-31 | 2005-08-31 | 반도체 장치의 게이트 유전막 형성 방법 |
US11/498,431 US7550346B2 (en) | 2005-08-03 | 2006-08-02 | Method for forming a gate dielectric of a semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020050080733A KR100769136B1 (ko) | 2005-08-31 | 2005-08-31 | 반도체 장치의 게이트 유전막 형성 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20070025014A KR20070025014A (ko) | 2007-03-08 |
KR100769136B1 true KR100769136B1 (ko) | 2007-10-22 |
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KR1020050080733A KR100769136B1 (ko) | 2005-08-03 | 2005-08-31 | 반도체 장치의 게이트 유전막 형성 방법 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5723355A (en) | 1997-01-17 | 1998-03-03 | Programmable Microelectronics Corp. | Method to incorporate non-volatile memory and logic components into a single sub-0.3 micron fabrication process for embedded non-volatile memory |
KR20030006993A (ko) * | 2001-06-12 | 2003-01-23 | 닛본 덴기 가부시끼가이샤 | 반도체장치와 그 제조방법 |
KR20030013763A (ko) * | 2001-08-09 | 2003-02-15 | 삼성전자주식회사 | 부유 트랩형 비휘발성 메모리 장치 형성 방법 |
KR20030060514A (ko) * | 2002-01-09 | 2003-07-16 | 삼성전자주식회사 | 삼중 게이트를 갖는 반도체 장치의 제조방법 및 그에 의해제조된 삼중게이트를 가진 반도체 장치 |
KR20050019304A (ko) * | 2003-08-18 | 2005-03-03 | 동부전자 주식회사 | 반도체 소자의 캐패시터 및 그 제조 방법 |
-
2005
- 2005-08-31 KR KR1020050080733A patent/KR100769136B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5723355A (en) | 1997-01-17 | 1998-03-03 | Programmable Microelectronics Corp. | Method to incorporate non-volatile memory and logic components into a single sub-0.3 micron fabrication process for embedded non-volatile memory |
KR20030006993A (ko) * | 2001-06-12 | 2003-01-23 | 닛본 덴기 가부시끼가이샤 | 반도체장치와 그 제조방법 |
KR20030013763A (ko) * | 2001-08-09 | 2003-02-15 | 삼성전자주식회사 | 부유 트랩형 비휘발성 메모리 장치 형성 방법 |
KR20030060514A (ko) * | 2002-01-09 | 2003-07-16 | 삼성전자주식회사 | 삼중 게이트를 갖는 반도체 장치의 제조방법 및 그에 의해제조된 삼중게이트를 가진 반도체 장치 |
KR20050019304A (ko) * | 2003-08-18 | 2005-03-03 | 동부전자 주식회사 | 반도체 소자의 캐패시터 및 그 제조 방법 |
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