KR20060079542A - 고전압 소자 영역의 게이트 산화막 질 개선방법 - Google Patents
고전압 소자 영역의 게이트 산화막 질 개선방법 Download PDFInfo
- Publication number
- KR20060079542A KR20060079542A KR1020040118288A KR20040118288A KR20060079542A KR 20060079542 A KR20060079542 A KR 20060079542A KR 1020040118288 A KR1020040118288 A KR 1020040118288A KR 20040118288 A KR20040118288 A KR 20040118288A KR 20060079542 A KR20060079542 A KR 20060079542A
- Authority
- KR
- South Korea
- Prior art keywords
- oxide film
- sti
- high voltage
- region
- gate oxide
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 61
- 230000003647 oxidation Effects 0.000 title description 8
- 238000007254 oxidation reaction Methods 0.000 title description 8
- 239000004065 semiconductor Substances 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 14
- 238000005530 etching Methods 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 11
- 150000004767 nitrides Chemical class 0.000 claims description 6
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 abstract description 12
- 238000005229 chemical vapour deposition Methods 0.000 abstract description 11
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 67
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 238000005468 ion implantation Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 5
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000009279 wet oxidation reaction Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000005641 tunneling Effects 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
- H01L21/02—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
-
- 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
- H01L21/76232—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials of trenches having a shape other than rectangular or V-shape, e.g. rounded corners, oblique or rounded trench walls
-
- 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
-
- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823462—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate insulating layers, e.g. different gate insulating layer thicknesses, particular gate insulator materials or particular gate insulator implants
-
- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823481—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type isolation region manufacturing related aspects, e.g. to avoid interaction of isolation region with adjacent structure
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)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Element Separation (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (4)
- 소정의 공정을 통해 STI 트렌치가 형성된 반도체 기판상에 STI 희생산화막을 형성하는 단계; 및상기 STI 희생산화막 상부에 STI 라이너 산화막을 형성하는 단계를 포함하여 이루어짐을 특징으로 하는 고전압 소자 영역의 게이트 산화막 질 개선방법.
- 소정의 공정을 통해 STI 트렌치가 형성된 반도체 기판상에, 700 내지 800℃ 온도 범위에서 염산(HCl) 가스 및 수소(H) 가스의 혼합 가스를 사용하여 상기 트렌치 상부의 가장자리 영역으로부터 트렌치 하부 영역까지 점차적으로 식각율을 높여 식각하는 단계; 및상기 식각공정 후 STI 라이너 산화막을 형성하는 단계를 포함하여 이루어짐을 특징으로 하는 고전압 소자 영역의 게이트 산화막 질 개선방법.
- 소정의 공정을 통해 STI 트렌치가 형성되고 상기 트렌치 상부 가장자리 영역에 인접한 질화막이 형성된 반도체 기판상에, 상기 질화막을 네가티브(-) 경사를 갖도록 식각하는 단계;STI 라이너 산화막을 형성하는 단계; 및STI 갭필 산화막을 형성하고 상기 STI 가장자리 영역에서 포지티브(+) 경사를 갖도록 형성하는 단계를 포함하여 이루어짐을 특징으로 하는 고전압 소자 영역의 게이트 산화막 질 개선방법.
- 소정의 공정을 통해 STI 트렌치, 라이너 산화막, STI 갭필 산화막이 형성되고 CMP 공정을 통해 평탄화된 반도체 기판 상에, 산화막을 300Å 내지 700Å 범위로 형성하는 단계; 및고전압 영역에 게이트 산화막을 형성하는 단계를 포함하여 이루어짐을 특징으로 하는 고전압 소자 영역의 게이트 산화막 질 개선방법.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040118288A KR100629606B1 (ko) | 2004-12-31 | 2004-12-31 | 고전압 소자 영역의 게이트 산화막 질 개선방법 |
CNB2005101376164A CN100533736C (zh) | 2004-12-31 | 2005-12-26 | 半导体装置及其制造方法 |
JP2005379290A JP2006191105A (ja) | 2004-12-31 | 2005-12-28 | 半導体素子及びその製造方法 |
DE102005062937A DE102005062937A1 (de) | 2004-12-31 | 2005-12-29 | Halbleitereinrichtung und Verfahren zu deren Herstellung |
US11/320,910 US7427553B2 (en) | 2004-12-31 | 2005-12-30 | Fabricating method of semiconductor device |
US12/222,794 US20080308895A1 (en) | 2004-12-31 | 2008-08-15 | Semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040118288A KR100629606B1 (ko) | 2004-12-31 | 2004-12-31 | 고전압 소자 영역의 게이트 산화막 질 개선방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060079542A true KR20060079542A (ko) | 2006-07-06 |
KR100629606B1 KR100629606B1 (ko) | 2006-09-27 |
Family
ID=36599604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040118288A KR100629606B1 (ko) | 2004-12-31 | 2004-12-31 | 고전압 소자 영역의 게이트 산화막 질 개선방법 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7427553B2 (ko) |
JP (1) | JP2006191105A (ko) |
KR (1) | KR100629606B1 (ko) |
CN (1) | CN100533736C (ko) |
DE (1) | DE102005062937A1 (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010027904A (ja) * | 2008-07-22 | 2010-02-04 | Elpida Memory Inc | 半導体装置の製造方法 |
US8624358B2 (en) * | 2009-06-04 | 2014-01-07 | Mitsumi Electric Co., Ltd. | Semiconductor substrate and semiconductor device |
CN103839812A (zh) * | 2012-11-21 | 2014-06-04 | 中芯国际集成电路制造(上海)有限公司 | 一种半导体器件及其制备方法 |
CN103871855B (zh) * | 2012-12-17 | 2016-08-03 | 北大方正集团有限公司 | 一种集成电路双栅氧的制备方法 |
CN104425592B (zh) * | 2013-08-20 | 2017-12-29 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件及其形成方法、静态随机存储器及其形成方法 |
CN105789038B (zh) * | 2016-04-15 | 2019-03-12 | 上海华虹宏力半导体制造有限公司 | 半导体结构及其形成方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05226298A (ja) * | 1992-02-12 | 1993-09-03 | Seiko Epson Corp | 半導体装置の製造方法 |
US6566224B1 (en) * | 1997-07-31 | 2003-05-20 | Agere Systems, Inc. | Process for device fabrication |
JP2000150631A (ja) * | 1998-11-13 | 2000-05-30 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
JP2000164691A (ja) * | 1998-11-25 | 2000-06-16 | Oki Electric Ind Co Ltd | 半導体装置及びその製造方法 |
US6417070B1 (en) * | 2000-12-13 | 2002-07-09 | International Business Machines Corporation | Method for forming a liner in a trench |
KR100416795B1 (ko) * | 2001-04-27 | 2004-01-31 | 삼성전자주식회사 | 소자분리막 형성방법 및 이를 이용한 반도체 장치의제조방법 |
KR100387531B1 (ko) * | 2001-07-30 | 2003-06-18 | 삼성전자주식회사 | 반도체소자 제조방법 |
KR100406180B1 (ko) * | 2001-12-22 | 2003-11-17 | 주식회사 하이닉스반도체 | 플래쉬 메모리 셀의 제조 방법 |
JP2003324146A (ja) * | 2002-05-07 | 2003-11-14 | Matsushita Electric Ind Co Ltd | 半導体装置及びその製造方法 |
JP2004039734A (ja) * | 2002-07-01 | 2004-02-05 | Fujitsu Ltd | 素子分離膜の形成方法 |
KR100464852B1 (ko) | 2002-08-07 | 2005-01-05 | 삼성전자주식회사 | 반도체 장치의 게이트 산화막 형성방법 |
TW559878B (en) * | 2002-08-12 | 2003-11-01 | Nanya Technology Corp | Method and structure to prevent defocus of wafer edge |
KR100476934B1 (ko) * | 2002-10-10 | 2005-03-16 | 삼성전자주식회사 | 트렌치 소자분리막을 갖는 반도체소자 형성방법 |
US7091104B2 (en) * | 2003-01-23 | 2006-08-15 | Silterra Malaysia Sdn. Bhd. | Shallow trench isolation |
KR20050048114A (ko) * | 2003-11-19 | 2005-05-24 | 주식회사 하이닉스반도체 | 플래쉬 메모리 소자의 제조 방법 |
KR100650846B1 (ko) * | 2004-10-06 | 2006-11-27 | 에스티마이크로일렉트로닉스 엔.브이. | 플래시 메모리 소자의 소자 분리막 형성방법 |
-
2004
- 2004-12-31 KR KR1020040118288A patent/KR100629606B1/ko not_active IP Right Cessation
-
2005
- 2005-12-26 CN CNB2005101376164A patent/CN100533736C/zh not_active Expired - Fee Related
- 2005-12-28 JP JP2005379290A patent/JP2006191105A/ja active Pending
- 2005-12-29 DE DE102005062937A patent/DE102005062937A1/de not_active Ceased
- 2005-12-30 US US11/320,910 patent/US7427553B2/en not_active Expired - Fee Related
-
2008
- 2008-08-15 US US12/222,794 patent/US20080308895A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20060148203A1 (en) | 2006-07-06 |
KR100629606B1 (ko) | 2006-09-27 |
JP2006191105A (ja) | 2006-07-20 |
CN1819198A (zh) | 2006-08-16 |
CN100533736C (zh) | 2009-08-26 |
US7427553B2 (en) | 2008-09-23 |
US20080308895A1 (en) | 2008-12-18 |
DE102005062937A1 (de) | 2006-07-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100282452B1 (ko) | 반도체 소자 및 그의 제조 방법 | |
US10347626B2 (en) | High quality deep trench oxide | |
KR100597768B1 (ko) | 반도체 소자의 게이트 스페이서형성방법 | |
US6372606B1 (en) | Method of forming isolation trenches in a semiconductor device | |
KR100629606B1 (ko) | 고전압 소자 영역의 게이트 산화막 질 개선방법 | |
US6080627A (en) | Method for forming a trench power metal-oxide semiconductor transistor | |
KR100718248B1 (ko) | 리세스 구조의 형성 방법, 이를 이용한 리세스된 채널을갖는 트랜지스터 및 그 제조 방법 | |
KR20030057889A (ko) | 반도체 소자의 트랜지스터 제조 방법 | |
JP2007234740A (ja) | 半導体装置の製造方法 | |
KR100412194B1 (ko) | 반도체 소자의 제조 방법 | |
US6743690B2 (en) | Method of forming a metal-oxide semiconductor transistor | |
KR100564424B1 (ko) | 반도체장치의 게이트절연막 형성방법 | |
KR100617051B1 (ko) | 반도체 소자의 제조방법 | |
KR100525912B1 (ko) | 반도체 소자의 제조 방법 | |
KR100540339B1 (ko) | 반도체 제조 공정에 있어서의 게이트 구조 형성 방법 | |
US6852634B2 (en) | Low cost method of providing a semiconductor device having a high channel density | |
KR100845105B1 (ko) | 모스 트랜지스터 및 그 제조 방법 | |
KR20050009497A (ko) | 반도체 소자의 트랜지스터 제조 방법 | |
KR20060077546A (ko) | 반도체 소자의 제조 방법 | |
KR20050067822A (ko) | 반도체 소자의 제조 방법 | |
KR20010058938A (ko) | 트랜지스터의 제조 방법 | |
KR20040007950A (ko) | 반도체 소자의 제조 방법 | |
KR19990073841A (ko) | 트랜지스터의 형성 방법 | |
KR20030050785A (ko) | 반도체 소자의 제조 방법 | |
KR20050041260A (ko) | 반도체소자 제조 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120827 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20130820 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20140814 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20150812 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20160812 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20170809 Year of fee payment: 12 |
|
LAPS | Lapse due to unpaid annual fee |