KR950011989B1 - 게이트 산화막 형성방법 - Google Patents
게이트 산화막 형성방법 Download PDFInfo
- Publication number
- KR950011989B1 KR950011989B1 KR1019920022795A KR920022795A KR950011989B1 KR 950011989 B1 KR950011989 B1 KR 950011989B1 KR 1019920022795 A KR1019920022795 A KR 1019920022795A KR 920022795 A KR920022795 A KR 920022795A KR 950011989 B1 KR950011989 B1 KR 950011989B1
- Authority
- KR
- South Korea
- Prior art keywords
- oxide film
- gate oxide
- gas
- annealing
- temperature
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 22
- 230000015572 biosynthetic process Effects 0.000 title description 5
- 238000000137 annealing Methods 0.000 claims description 19
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Formation Of Insulating Films (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (2)
- 웨이퍼를 소정의 튜브내에 장착하고, 산화공정과 어닐링 공정으로 이루어지는 게이트 산화막 형성방법에 있어서, 상기 어닐링 공정에서 800℃에서 900℃로 온도를 상승시킬때 20 : 0.5(SLPM)의 비율의 N2: LO2개스를 사용하고, 900℃에서 25 : 0.5(SLPM)의 비율의 N2: LO2개스를 사용하여 어닐링한 다음, 900℃에서 800℃로 온도를 하강시킬때 30(SLPM)의 N2개스를 사용하는 것을 특징으로 하는 게이트 산화막 형성방법.
- 제1항에 있어서, 상기 어닐링 단계에서 어닐링 시간은 30분으로 하는 것을 특징으로 하는 게이트 산화막 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920022795A KR950011989B1 (ko) | 1992-11-30 | 1992-11-30 | 게이트 산화막 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920022795A KR950011989B1 (ko) | 1992-11-30 | 1992-11-30 | 게이트 산화막 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940012538A KR940012538A (ko) | 1994-06-23 |
KR950011989B1 true KR950011989B1 (ko) | 1995-10-13 |
Family
ID=19344265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920022795A KR950011989B1 (ko) | 1992-11-30 | 1992-11-30 | 게이트 산화막 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR950011989B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100671629B1 (ko) * | 2004-03-17 | 2007-01-18 | 주식회사 하이닉스반도체 | 반도체 소자의 산화막 형성 방법 |
-
1992
- 1992-11-30 KR KR1019920022795A patent/KR950011989B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR940012538A (ko) | 1994-06-23 |
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