KR20000003574A - 반도체소자의 소자분리절연막 형성방법 - Google Patents
반도체소자의 소자분리절연막 형성방법 Download PDFInfo
- Publication number
- KR20000003574A KR20000003574A KR1019980024834A KR19980024834A KR20000003574A KR 20000003574 A KR20000003574 A KR 20000003574A KR 1019980024834 A KR1019980024834 A KR 1019980024834A KR 19980024834 A KR19980024834 A KR 19980024834A KR 20000003574 A KR20000003574 A KR 20000003574A
- Authority
- KR
- South Korea
- Prior art keywords
- insulating film
- forming
- pad
- semiconductor substrate
- trench
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000004065 semiconductor Substances 0.000 title claims abstract description 38
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 125000006850 spacer group Chemical group 0.000 claims abstract description 18
- 239000012535 impurity Substances 0.000 claims abstract description 12
- 238000005530 etching Methods 0.000 claims abstract description 9
- 150000004767 nitrides Chemical class 0.000 claims description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 238000002513 implantation Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005468 ion implantation Methods 0.000 claims description 2
- 239000007943 implant Substances 0.000 abstract description 7
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 description 30
- 230000000694 effects Effects 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000000137 annealing Methods 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000009271 trench method Methods 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
- H01L21/76—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
- H01L21/76237—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials introducing impurities in trench side or bottom walls, e.g. for forming channel stoppers or alter isolation behavior
-
- 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
-
- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/31051—Planarisation of the insulating layers
- H01L21/31053—Planarisation of the insulating layers involving a dielectric removal step
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)
- Element Separation (AREA)
Abstract
Description
Claims (3)
- 패드산화막과 패드질화막 적층구조로 패터닝된 패드절연막을 반도체기판 상부에 형성하는 공정과,상기 패드절연막 측벽에 절연막 스페이서를 형성하는 공정과,상기 절연막 스페이서와 패드절연막을 마스크로하여 상기 반도체기판을 식각하여 트렌치를 형성하는 공정과,상기 절연막 스페이서를 제거하는 공정과,상기 절연막 스페이서가 제거된 부분의 반도체기판에 불순물 접합영역을 형성하는 공정과,상기 트렌치를 매립하는 CVD 절연막을 형성하는 공정과,상기 CVD 절연막을 평탄화식각하는 공정을 포함하는 반도체소자의 소자분리절연막 형성방법.
- 제 1 항에 있어서,상기 절연막 스페이서는 산화막으로 형성하는 것을 특징으로하는 반도체소자의 소자분리절연막 형성방법.
- 제 1 항에 있어서,상기 불순물 주입영역은 패드절연막을 마스크로하여 실시하되, 피-웰과 같은 붕소나 BF2등의 불순물을 15 ∼ 100 KeV 정도의 에너지로 이온주입하여 실시하는 것을 특징으로하는 반도체소자의 소자분리절연막 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980024834A KR20000003574A (ko) | 1998-06-29 | 1998-06-29 | 반도체소자의 소자분리절연막 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980024834A KR20000003574A (ko) | 1998-06-29 | 1998-06-29 | 반도체소자의 소자분리절연막 형성방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20000003574A true KR20000003574A (ko) | 2000-01-15 |
Family
ID=19541353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980024834A Ceased KR20000003574A (ko) | 1998-06-29 | 1998-06-29 | 반도체소자의 소자분리절연막 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20000003574A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030043597A (ko) * | 2001-11-26 | 2003-06-02 | 미쓰비시덴키 가부시키가이샤 | 트렌치 분리를 갖는 반도체 장치 및 그 제조 방법 |
KR100811438B1 (ko) * | 2001-12-29 | 2008-03-07 | 주식회사 하이닉스반도체 | 반도체 소자의 제조 방법 |
-
1998
- 1998-06-29 KR KR1019980024834A patent/KR20000003574A/ko not_active Ceased
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030043597A (ko) * | 2001-11-26 | 2003-06-02 | 미쓰비시덴키 가부시키가이샤 | 트렌치 분리를 갖는 반도체 장치 및 그 제조 방법 |
KR100811438B1 (ko) * | 2001-12-29 | 2008-03-07 | 주식회사 하이닉스반도체 | 반도체 소자의 제조 방법 |
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