KR100801724B1 - 반도체 소자의 소자 분리막 형성 방법 - Google Patents
반도체 소자의 소자 분리막 형성 방법 Download PDFInfo
- Publication number
- KR100801724B1 KR100801724B1 KR1020010080865A KR20010080865A KR100801724B1 KR 100801724 B1 KR100801724 B1 KR 100801724B1 KR 1020010080865 A KR1020010080865 A KR 1020010080865A KR 20010080865 A KR20010080865 A KR 20010080865A KR 100801724 B1 KR100801724 B1 KR 100801724B1
- Authority
- KR
- South Korea
- Prior art keywords
- film
- liner nitride
- pad
- nitride film
- forming
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000004065 semiconductor Substances 0.000 title claims description 11
- 230000015572 biosynthetic process Effects 0.000 title 1
- 150000004767 nitrides Chemical class 0.000 claims abstract description 59
- 238000002955 isolation Methods 0.000 claims abstract description 22
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims description 16
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 11
- 238000000151 deposition Methods 0.000 claims description 2
- 238000000059 patterning Methods 0.000 claims description 2
- 238000000137 annealing Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 10
- 229910052710 silicon Inorganic materials 0.000 description 10
- 239000010703 silicon Substances 0.000 description 10
- 238000005530 etching Methods 0.000 description 8
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
-
- 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
- H01L21/0214—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 a silicon oxynitride, e.g. SiON or SiON:H
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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)
- Element Separation (AREA)
Abstract
Description
상기 라이너 나이트라이드 내의 SiON 성분은 상기 라이너 나이트라이드 두께의 20 ~ 100% 범위가 되도록 하는 것이 바람직하다.
Claims (3)
- 삭제
- 반도체기판 상에 패드 산화막 및 패드 질화막을 형성하는 단계;상기 패드 질화막 및 패드 산화막을 패터닝하여 소자분리영역의 반도체기판을 노출시키는 단계;상기 반도체기판에 트렌치를 형성하는 단계;상기 트렌치의 내벽에 희생산화막을 형성한 후, Si3N4를 증착하여 라이너 나이트라이드를 형성하는 단계;O2/H2를 이용하여 700 ~ 1000℃의 온도에서 상기 라이너 나이트라이드를 열처리함으로써, 상기 라이너 나이트라이드의 막질을 Si3N4+SiON로 변화시키는 단계;상기 트렌치를 절연막으로 매립한 후 평탄화하는 단계; 및인산을 이용하여 상기 패드 질화막을 제거하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 소자분리막 형성방법.
- 제2항에 있어서, 상기 라이너 나이트라이드 내의 SiON의 두께가 상기 라이너 나이트라이드 두께의 20 ~ 100% 범위가 되도록 하는 것을 특징으로 하는 반도체 소자의 소자분리막 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010080865A KR100801724B1 (ko) | 2001-12-18 | 2001-12-18 | 반도체 소자의 소자 분리막 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010080865A KR100801724B1 (ko) | 2001-12-18 | 2001-12-18 | 반도체 소자의 소자 분리막 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030050435A KR20030050435A (ko) | 2003-06-25 |
KR100801724B1 true KR100801724B1 (ko) | 2008-02-11 |
Family
ID=29576164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010080865A Expired - Fee Related KR100801724B1 (ko) | 2001-12-18 | 2001-12-18 | 반도체 소자의 소자 분리막 형성 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100801724B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100702125B1 (ko) * | 2005-05-18 | 2007-03-30 | 주식회사 하이닉스반도체 | 반도체 소자의 트렌치 소자분리막 형성방법 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990057708A (ko) * | 1997-12-30 | 1999-07-15 | 윤종용 | 트렌치 소자분리방법 |
-
2001
- 2001-12-18 KR KR1020010080865A patent/KR100801724B1/ko not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990057708A (ko) * | 1997-12-30 | 1999-07-15 | 윤종용 | 트렌치 소자분리방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20030050435A (ko) | 2003-06-25 |
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