KR100451768B1 - 반도체 소자의 게이트 절연막 형성 방법 - Google Patents
반도체 소자의 게이트 절연막 형성 방법 Download PDFInfo
- Publication number
- KR100451768B1 KR100451768B1 KR10-2001-0087282A KR20010087282A KR100451768B1 KR 100451768 B1 KR100451768 B1 KR 100451768B1 KR 20010087282 A KR20010087282 A KR 20010087282A KR 100451768 B1 KR100451768 B1 KR 100451768B1
- Authority
- KR
- South Korea
- Prior art keywords
- nitride film
- gate insulating
- region
- concentration
- insulating film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
- H01L21/2822—Making the insulator with substrate doping, e.g. N, Ge, C implantation, before formation of the insulator
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
- H01L21/02255—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by thermal treatment
-
- 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
- H01L21/28202—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation in a nitrogen-containing ambient, e.g. nitride deposition, growth, oxynitridation, NH3 nitridation, N2O oxidation, thermal nitridation, RTN, plasma nitridation, RPN
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (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)
- Formation Of Insulating Films (AREA)
Abstract
Description
Claims (4)
- 반도체 기판상에 질화막을 형성하는 단계;상기 질화막을 상부 표면에서 하부 바닥면까지를 상부부터 차례로 제 1,2,3 영역으로 구분하여 질화막내의 어느 한 영역에서 질소 이온의 농도가 다른 영역보다 높아지도록 하기 위하여,상기 질화막내의 제 1 영역에서 질소 이온 농도를 높이기 위하여 NH3가스를 사용하는 열처리 공정,상기 질화막내의 제 2 영역에서 질소 이온 농도를 높이기 위하여 N2O 분위기에서 열처리하는 공정,상기 질화막내의 제 3 영역에서 질소 이온 농도를 높이기 위하여 NH3+ N2O 분위기에서 열처리하는 공정의 어느 하나를 진행하는 단계;상기 제 1,2,3 어느 한 영역에서 질소 이온 농도가 다른 영역보다 높은 질화막상에 게이트 전극을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 게이트 절연막 형성 방법.
- 삭제
- 삭제
- 제 1 항에 있어서, NH3가스를 사용하는 어닐링 공정의 경우에는 680 ~ 720℃의 온도에서 1 ~ 20min 동안 진행하고,N2O 가스를 사용한 어닐링 공정의 경우에는 800 ~ 1000℃의 온도에서 1 ~ 5min 동안 진행하고,NH3+ N2O 가스를 사용하는 경우에는 상기한 각각의 조건으로 순차적으로 공정을 진행하는 것을 특징으로 하는 반도체 소자의 게이트 절연막 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0087282A KR100451768B1 (ko) | 2001-12-28 | 2001-12-28 | 반도체 소자의 게이트 절연막 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0087282A KR100451768B1 (ko) | 2001-12-28 | 2001-12-28 | 반도체 소자의 게이트 절연막 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030056938A KR20030056938A (ko) | 2003-07-04 |
KR100451768B1 true KR100451768B1 (ko) | 2004-10-08 |
Family
ID=32215085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0087282A Expired - Fee Related KR100451768B1 (ko) | 2001-12-28 | 2001-12-28 | 반도체 소자의 게이트 절연막 형성 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100451768B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100831570B1 (ko) * | 2006-12-27 | 2008-05-21 | 동부일렉트로닉스 주식회사 | 플래시 메모리소자 및 그 제조방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980028829A (ko) * | 1996-10-24 | 1998-07-15 | 문정환 | 아산화질소 가스를 이용한 박막 형성 방법 |
US5885870A (en) * | 1995-11-03 | 1999-03-23 | Motorola, Inc. | Method for forming a semiconductor device having a nitrided oxide dielectric layer |
KR19990059167A (ko) * | 1997-12-30 | 1999-07-26 | 김영환 | 반도체장치의 게이트산화막 형성방법 |
US6309932B1 (en) * | 1999-01-14 | 2001-10-30 | Agere Systems Guardian Corp | Process for forming a plasma nitride film suitable for gate dielectric application in sub-0.25 μm technologies |
-
2001
- 2001-12-28 KR KR10-2001-0087282A patent/KR100451768B1/ko not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5885870A (en) * | 1995-11-03 | 1999-03-23 | Motorola, Inc. | Method for forming a semiconductor device having a nitrided oxide dielectric layer |
KR19980028829A (ko) * | 1996-10-24 | 1998-07-15 | 문정환 | 아산화질소 가스를 이용한 박막 형성 방법 |
KR19990059167A (ko) * | 1997-12-30 | 1999-07-26 | 김영환 | 반도체장치의 게이트산화막 형성방법 |
US6309932B1 (en) * | 1999-01-14 | 2001-10-30 | Agere Systems Guardian Corp | Process for forming a plasma nitride film suitable for gate dielectric application in sub-0.25 μm technologies |
Also Published As
Publication number | Publication date |
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KR20030056938A (ko) | 2003-07-04 |
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