KR19980036987A - 반도체장치의 다층배선 형성방법 - Google Patents
반도체장치의 다층배선 형성방법 Download PDFInfo
- Publication number
- KR19980036987A KR19980036987A KR1019960055669A KR19960055669A KR19980036987A KR 19980036987 A KR19980036987 A KR 19980036987A KR 1019960055669 A KR1019960055669 A KR 1019960055669A KR 19960055669 A KR19960055669 A KR 19960055669A KR 19980036987 A KR19980036987 A KR 19980036987A
- Authority
- KR
- South Korea
- Prior art keywords
- insulating layer
- forming
- layer
- semiconductor substrate
- sog
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 59
- 239000004065 semiconductor Substances 0.000 title claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims description 12
- 238000005530 etching Methods 0.000 claims description 11
- 238000005229 chemical vapour deposition Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims description 6
- 238000005468 ion implantation Methods 0.000 claims description 5
- 150000004767 nitrides Chemical class 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims description 3
- 238000001505 atmospheric-pressure chemical vapour deposition Methods 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 239000005368 silicate glass Substances 0.000 claims 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims 1
- GDFCWFBWQUEQIJ-UHFFFAOYSA-N [B].[P] Chemical compound [B].[P] GDFCWFBWQUEQIJ-UHFFFAOYSA-N 0.000 claims 1
- 229910052796 boron Inorganic materials 0.000 claims 1
- 229910001873 dinitrogen Inorganic materials 0.000 claims 1
- 239000010408 film Substances 0.000 description 11
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- -1 FTEOS Chemical compound 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000005380 borophosphosilicate glass Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
- H01L21/76832—Multiple layers
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
- H01L21/76834—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers formation of thin insulating films on the sidewalls or on top of conductors
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- 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)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (17)
- 반도체기판상에 복수개의 1차 배선라인들을 형성하고 상기 1차 배선라인들을 포함한 반도체기판상에 제 1 절연층을 형성하는 공정과,상기 제 1 절연층의 측벽을 제외한 전면에 제 2 절연층을 선택적으로 형성하는 공정과,상기 제 2 절연층을 포함한 반도체기판 전면에 유기성분의 SOG층을 형성하고 상기 제 2 절연층의 소정깊이까지 식각되도록 평탄화하는 공정과,노출된 제 2 절연층을 포함한 기판전면에 제 3 절연층을 형성하고 상기 1차 배선라인이 노출되도록 제 3 절연층과 SOG층을 선택적으로 제거하여 접속홀을 형성하는 공정과,상기 접속홀을 포함한 반도체기판 전면에 2차 배선라인을 형성하는 공정을 포함하여 이루어지는 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
- 제1항에 있어서,상기 제 2 절연층은 옥시나이트라이드(Oxinitride), 나이트라이드 또는 PSG인 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
- 제1항에 있어서,상기 제 2 절연층은 상기 제 1 절연층이 형성된 상태에서 질소(N2)가스를 이용한 이온주입방식으로 형성하는 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
- 제1항에 있어서,상기 제 2 절연층은 N2/NH3가스를 이용한 고밀도 플라즈마에 바이어스(Bias)를 추가하여 형성하는 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
- 제1항에 있어서,상기 제 2 절연층은 PH3가스를 이용한 이온주입방식 또는 고밀도 플라즈마에 바이어스를 추가하여 형성하는 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
- 제3항에 있어서,상기 제 1 절연층은 산화막인 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
- 제1항에 있어서,상기 제 3 절연층의 물질은 SOG(Spin on Glass)인 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
- 제1항에 있어서,상기 제 1 절연층의 측벽에는 질소가스 또는 PH3가스가 포함되지 않는 것을 특징으로 하는 반도체장치의 다층배선 형성방법/
- 제1항에 있어서,상기 평탄화공정은 상기 제 3 절연층을 에치백하여 이루어지는 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
- 제1항에 있어서,상기 제 1 절연층의 두께는 500~5000Å인 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
- 제1항에 있어서,상기 제 4 절연층의 두께는 1000~5000Å인 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
- 제2항에 있어서,상기 PSG 대신에 BPSG(Boron Phosphorus silicate glass), BSG(Boron silicate glass)중 어느 하나인 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
- 제9항에 있어서,상기 에치백공정시 사용되는 가스는 CF4또는 CHF3가스를 포함하는 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
- 제1항에 있어서,상기 제 3 절연층을 형성하지 않고 이후의 공정을 수행하는 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
- 제1항에 있어서,상기 제 1 절연층과 제 2 절연층의 두께를 합한 값은 초기 제 1 절연층의 두께와 동일한 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
- 제1항에 있어서,상기 제 1 절연층과 제 3 절연층은 ECR(Electro Cycro Resonance)을 이용한 화학기상증착법(CVD)이나 PECVD(Plasma Enhanced CVD), 상압 CVD법 또는 저압 CVD법등을 이용하여 형성하는 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
- 제1항에 있어서,상기 제 1 절연층의 두께는 500~5000Å로 하고 상기 제 3 절연층의 두께는 1000~5000Å로 하는 것을 특징으로 하는 반도체장치의 다층배선 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960055669A KR100236052B1 (ko) | 1996-11-20 | 1996-11-20 | 반도체장치의 다층배선 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960055669A KR100236052B1 (ko) | 1996-11-20 | 1996-11-20 | 반도체장치의 다층배선 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980036987A true KR19980036987A (ko) | 1998-08-05 |
KR100236052B1 KR100236052B1 (ko) | 1999-12-15 |
Family
ID=19482655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960055669A Expired - Fee Related KR100236052B1 (ko) | 1996-11-20 | 1996-11-20 | 반도체장치의 다층배선 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100236052B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100346294B1 (ko) * | 1998-03-11 | 2002-07-26 | 닛뽕덴끼 가부시끼가이샤 | 반도체 장치의 제조 방법 |
KR100604587B1 (ko) * | 1999-12-24 | 2006-07-25 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05267283A (ja) * | 1992-03-19 | 1993-10-15 | Fujitsu Ltd | 半導体装置の製造方法 |
JPH0684900A (ja) * | 1992-08-31 | 1994-03-25 | Fujitsu Ltd | 半導体装置の製造方法 |
-
1996
- 1996-11-20 KR KR1019960055669A patent/KR100236052B1/ko not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100346294B1 (ko) * | 1998-03-11 | 2002-07-26 | 닛뽕덴끼 가부시끼가이샤 | 반도체 장치의 제조 방법 |
KR100604587B1 (ko) * | 1999-12-24 | 2006-07-25 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR100236052B1 (ko) | 1999-12-15 |
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