KR950034632A - 반도체 소자의 층간 절연막 형성방법 - Google Patents
반도체 소자의 층간 절연막 형성방법 Download PDFInfo
- Publication number
- KR950034632A KR950034632A KR1019940009996A KR19940009996A KR950034632A KR 950034632 A KR950034632 A KR 950034632A KR 1019940009996 A KR1019940009996 A KR 1019940009996A KR 19940009996 A KR19940009996 A KR 19940009996A KR 950034632 A KR950034632 A KR 950034632A
- Authority
- KR
- South Korea
- Prior art keywords
- film
- bpsg
- interlayer insulating
- insulating film
- forming
- Prior art date
Links
- 239000011229 interlayer Substances 0.000 title claims abstract description 14
- 239000004065 semiconductor Substances 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract 15
- 229910052796 boron Inorganic materials 0.000 claims abstract 7
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract 7
- 239000005380 borophosphosilicate glass Substances 0.000 claims description 12
- 238000005229 chemical vapour deposition Methods 0.000 claims 1
- 210000000813 small intestine Anatomy 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- GDFCWFBWQUEQIJ-UHFFFAOYSA-N [B].[P] Chemical compound [B].[P] GDFCWFBWQUEQIJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000002019 doping agent Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000011574 phosphorus Substances 0.000 abstract 1
- 239000005368 silicate glass Substances 0.000 abstract 1
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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02126—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
- H01L21/02129—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC the material being boron or phosphorus doped silicon oxides, e.g. BPSG, BSG or PSG
-
- 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
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Formation Of Insulating Films (AREA)
Abstract
Description
Claims (6)
- 반도체 소자의 층간 절연막 형성방법에 있어서, 소정의 공정을 거친 기판(1)상에 다량의 B2H6/PH3개스로 소정두께의 BPSG막(12A)을 형성하는 단계와, 상기 단계로부터 상기 제1 BPSG막(12A) 형성시의 B2H2/PH3개스의 양보다 적게한 상태로 상기제1BPSG막(12A)상에 소정두께의 제2BPSG막(12B)을 형성하는 단계와, 상기 단계로부터 극소량의 B2H2/PH3개스로 얇은 두께의 제3BPSG막(12C)을 형성하여 상기 제1 내지 3 BPSG막(12A,12B,12C)으로 된 층간 절연막(12)을 완성하는 단계로 이루어지는 것을 특징으로 하는반도체 소장의 층간 절연막 형성방법.
- 제1항에 있어서, 상기 제1 내지 3 BPSG막(12A, 12B, 12C)은 동일한 반응로에서 화학적 기상 증착방법으로 형성되는 것을 특징으로 하는 반도체 소자의 층간 절연막 형성방법.
- 제1항에 있어서, 상기 제1 BPSG막(12A)은 유동특성을 극대화하기 위하여, B2H6개스를 35±10 mole%로 하고, PH3개스를 50±10 mole%로 하여 형성되는 것을 특징으로 하는 반도체 소자의 층간 절연막 형성방법.
- 제1항에 있어서, 상기 제2 BPSG막(12B)은 B2H6개스를 20±5 mole%로 하고, PH3개스를 30±5 mole%로 하여 형성되는 것을 특징으로 하는 반도체 소자의 층간절연막 형성방법.
- 제1항에 있어서, 상기 제3BPSG막(12B)은 대기중의 H2O와 B, P가 반응하여 B, P 산화물이 표면에 형성되는 것을 방지하기 위하여, B2H65±3mole%로 하고, PH3개스를 10±3 mole%로 하여 형성되는 것을 특징으로 하는 반도체 소자의 층간 절연막 형성방법.
- 제1항에 있어서, 상기 제1BPSG막(12A)의 두께는 상기 층간 절연막(12)의 두께에 대하여 “3/5” 정도로 두껍게 형성하고, 상기 제2BPSG막(12B)의 두께는 상기 제1 BPSG막(12A)의 두께에 대하여 “2/3” 이하의 두께로 형성하고, 상기 제3BPSG막(12C)두께는 상기 층간 절연막(12)의 두께에 대하여 “1/100”을 초과하지 않는 얇은 두께로 형성하는 것을 특징으로 하는 반도체 소자의 층간 절연막 형성방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940009996A KR970007968B1 (ko) | 1994-05-07 | 1994-05-07 | 반도체 소자의 층간 절연막 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940009996A KR970007968B1 (ko) | 1994-05-07 | 1994-05-07 | 반도체 소자의 층간 절연막 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950034632A true KR950034632A (ko) | 1995-12-28 |
KR970007968B1 KR970007968B1 (ko) | 1997-05-19 |
Family
ID=19382642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940009996A KR970007968B1 (ko) | 1994-05-07 | 1994-05-07 | 반도체 소자의 층간 절연막 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR970007968B1 (ko) |
-
1994
- 1994-05-07 KR KR1019940009996A patent/KR970007968B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR970007968B1 (ko) | 1997-05-19 |
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