KR0150998B1 - 이중 스토퍼를 이용한 소이 웨이퍼 제조방법 - Google Patents
이중 스토퍼를 이용한 소이 웨이퍼 제조방법 Download PDFInfo
- Publication number
- KR0150998B1 KR0150998B1 KR1019940027703A KR19940027703A KR0150998B1 KR 0150998 B1 KR0150998 B1 KR 0150998B1 KR 1019940027703 A KR1019940027703 A KR 1019940027703A KR 19940027703 A KR19940027703 A KR 19940027703A KR 0150998 B1 KR0150998 B1 KR 0150998B1
- Authority
- KR
- South Korea
- Prior art keywords
- stopper
- trench
- forming
- semiconductor substrate
- material layer
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 41
- 239000004065 semiconductor Substances 0.000 claims abstract description 31
- 238000005498 polishing Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 12
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 10
- 229920005591 polysilicon Polymers 0.000 claims description 10
- 238000005530 etching Methods 0.000 claims description 6
- 150000004767 nitrides Chemical class 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 claims 1
- 239000010409 thin film Substances 0.000 abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 32
- 229910052581 Si3N4 Inorganic materials 0.000 description 22
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 22
- 230000008569 process Effects 0.000 description 20
- 235000012431 wafers Nutrition 0.000 description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 13
- 229910052710 silicon Inorganic materials 0.000 description 13
- 239000010703 silicon Substances 0.000 description 13
- 230000008859 change Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- -1 oxygen ions Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001039 wet etching 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
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76264—SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
-
- 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
- H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
- H01L21/02255—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by thermal treatment
-
- 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
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30625—With simultaneous mechanical treatment, e.g. mechanico-chemical polishing
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 (7)
- 제1반도체기판 표면에 칩이 형성될 영역을 둘러싸도록 제1트랜치를 형성하는 단계; 제1트랜치가 형성된 상기 결과를 전면에, 제1반도체기판에 대한 화학-기계적 폴리싱(CMP) 율이 낮은 물질로된 제1물질층을 형성하는 단계; 상기 제1물질층 상에, 제1반도체기판에 대한 CMP율이 높은 물질로 된 제2물질층으로 상기 제1트랜치를 매립하는 단계; 상기 제2물질층과 제1물질층을 에치백하여 상기 제1트랜치를 매립하는 제1스토퍼를 형성하는 단계; 제1스토퍼가 형성된 상기 기판표면 중 소자가 형성될 부분을 제외한 영역에 상기 제1스토퍼보다 작은 두께의 제2스토퍼를 형성하는 단계; 제2스토퍼가 형성된 상기 기판 전면에 절연층을 형성하는 단계; 상기 절연층 상에 제2반도체기판을 접착시키는 단계; 상기 제1반도체기판의 배면에 대한 제1화학-기계적 폴리싱(CMP)을 수행하여 상기 제1트랜치 바닥면에 형성된 제1물질층을 노출시키는 단계; 상기 제1물질층을 선택적으로 제거하는 단계; 및 상기 제1반도체기판의 배면에 대한 제2화학-기계적 폴리싱(CMP)을 수행하여 상기 제2스토퍼의 표면을 노출시키는 단계를 구비하는 것을 특징으로 하는 소이(SOI) 웨이퍼 제조방법.
- 제1항에 있어서, 상기 제1스토퍼를 형성하기 위한 상기 제1트랜치는 상기 제2스토퍼보다 깊이 형성하는 것을 특징으로 하는 소이(SOI) 웨이퍼 제조방법.
- 제1항에 있어서, 상기 제1물질층은 산화막/질화막으로 형성하는 것을 특징으로 하는 소이(SOI) 웨이퍼 제조방법.
- 제1항에 있어서, 상기 제2물질층은 폴리실리콘층으로 형성하는 것을 특징으로 하는 소이(SOI) 웨이퍼 제조방법.
- 제1항에 있어서, 상기 제2스토퍼를 형성하는 상기단계는, 소자가 형성될 부분을 제외한 영역을 선택적으로 열산화하여 필드산화막을 형성하는 단계를 구비하는 것을 특징으로 하는 소이(SOI) 웨이퍼 제조방법.
- 제1항에 있어서, 상기 제2스토퍼를 형성하는 상기 단계는, 소자가 형성될 부분을 제외한 영역을 선택적으로 식각하여 제2트랜치를 형성하는 단계; 및 상기 제2트랜치를 매립하는 산화막을 형성하는 단계를 구비하는 것을 특징으로 하는 소이(SOI) 웨이퍼 제조방법.
- 제1항에 있어서, 상기 절연층은 CVD 산화막으로 형성하는 것을 특징으로 하는 소이(SOI) 웨이퍼 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940027703A KR0150998B1 (ko) | 1994-10-27 | 1994-10-27 | 이중 스토퍼를 이용한 소이 웨이퍼 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940027703A KR0150998B1 (ko) | 1994-10-27 | 1994-10-27 | 이중 스토퍼를 이용한 소이 웨이퍼 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960015711A KR960015711A (ko) | 1996-05-22 |
KR0150998B1 true KR0150998B1 (ko) | 1998-12-01 |
Family
ID=19396170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940027703A KR0150998B1 (ko) | 1994-10-27 | 1994-10-27 | 이중 스토퍼를 이용한 소이 웨이퍼 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR0150998B1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0826234B1 (en) * | 1996-03-12 | 2007-05-23 | Koninklijke Philips Electronics N.V. | Method of manufacturing a hybrid integrated circuit |
KR19990040791A (ko) * | 1997-11-19 | 1999-06-05 | 정몽규 | 에이비에스 제어시 에포트가 증대되는 파워 스티어링 |
JP3560888B2 (ja) * | 1999-02-09 | 2004-09-02 | シャープ株式会社 | 半導体装置の製造方法 |
KR100333057B1 (ko) * | 2000-07-11 | 2002-04-22 | 윤종용 | 서로 다른 두께를 갖는 2가지 이상의 터널 절연막을 갖는비휘발성 메모리 소자의 제조방법 |
-
1994
- 1994-10-27 KR KR1019940027703A patent/KR0150998B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR960015711A (ko) | 1996-05-22 |
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