KR100712985B1 - 반도체 소자의 소자분리막 형성방법 - Google Patents
반도체 소자의 소자분리막 형성방법 Download PDFInfo
- Publication number
- KR100712985B1 KR100712985B1 KR1020010006244A KR20010006244A KR100712985B1 KR 100712985 B1 KR100712985 B1 KR 100712985B1 KR 1020010006244 A KR1020010006244 A KR 1020010006244A KR 20010006244 A KR20010006244 A KR 20010006244A KR 100712985 B1 KR100712985 B1 KR 100712985B1
- Authority
- KR
- South Korea
- Prior art keywords
- trench
- oxide film
- silicon substrate
- film
- pad
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000004065 semiconductor Substances 0.000 title abstract description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 21
- 239000010703 silicon Substances 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 150000004767 nitrides Chemical class 0.000 claims abstract description 20
- 238000005530 etching Methods 0.000 claims abstract description 11
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 7
- 238000000151 deposition Methods 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 abstract description 25
- 239000000463 material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007517 polishing process Methods 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
- H01L21/04—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
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Element Separation (AREA)
- Local Oxidation Of Silicon (AREA)
Abstract
Description
상기 패드 산화막은 300∼2000Å 범위의 두께로, 패드 질화막은 1000∼3000Å 범위의 두께로 증착할 수 있다.
상기 트렌치는 실리콘 기판 표면을 기준으로 1500∼4000Å 정도의 깊이로 형성할 수 있다.
그리고, 상기 산화막은 6000∼8000Å 범위의 두께로 증착할 수 있다.
Claims (4)
- 실리콘 기판 상에 패드산화막과 패드질화막 및 감광막 패턴을 순차적으로 형성하는 단계;상기 실리콘 기판에 트렌치를 형성한 후, 산화막을 증착하여 트렌치를 매립하는 단계;상기 패드질화막의 상부까지 상기 산화막을 식각하고, 패드산화막과 패드질화막을 제거하는 단계;상기 노출된 산화막의 상부와 측면에 등방성 식각공정을 진행하는 단계; 및상기 노출된 산화막의 높이까지 실리콘 기판을 선택적으로 성장시키는 단계를 포함하여 이루어진 것을 특징으로 하는 반도체 소자의 소자분리막 형성방법.
- 제 1항에 있어서, 상기 패드 산화막은 300∼2000Å 범위의 두께로, 패드 질화막은 1000∼3000Å 범위의 두께로 증착하는 것을 특징으로 하는 반도체 소자의 소자분리막 형성방법.
- 제 1항에 있어서, 상기 트렌치는 실리콘 기판 표면을 기준으로 1500∼4000Å 정도의 깊이로 형성하는 것을 특징으로 하는 반도체 소자의 소자분리막 형성방법.
- 제 1항에 있어서, 상기 산화막은 6000∼8000Å 범위의 두께로 증착하는 것을 특징으로 하는 반도체 소자의 소자분리막 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010006244A KR100712985B1 (ko) | 2001-02-08 | 2001-02-08 | 반도체 소자의 소자분리막 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010006244A KR100712985B1 (ko) | 2001-02-08 | 2001-02-08 | 반도체 소자의 소자분리막 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020066061A KR20020066061A (ko) | 2002-08-14 |
KR100712985B1 true KR100712985B1 (ko) | 2007-05-02 |
Family
ID=27693784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010006244A KR100712985B1 (ko) | 2001-02-08 | 2001-02-08 | 반도체 소자의 소자분리막 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100712985B1 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950021367A (ko) * | 1993-12-27 | 1995-07-26 | 김주용 | 반도체 소자의 소자분리막 제조방법 |
KR970018383A (ko) * | 1995-09-27 | 1997-04-30 | 김주용 | 트랜치 소자분리막 제조방법 |
KR980006083A (ko) * | 1996-06-29 | 1998-03-30 | 김주용 | 반도체 소자의 소자분리막 형성방법 |
-
2001
- 2001-02-08 KR KR1020010006244A patent/KR100712985B1/ko not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950021367A (ko) * | 1993-12-27 | 1995-07-26 | 김주용 | 반도체 소자의 소자분리막 제조방법 |
KR970018383A (ko) * | 1995-09-27 | 1997-04-30 | 김주용 | 트랜치 소자분리막 제조방법 |
KR980006083A (ko) * | 1996-06-29 | 1998-03-30 | 김주용 | 반도체 소자의 소자분리막 형성방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20020066061A (ko) | 2002-08-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2554831B2 (ja) | 基板分離トレンチを形成するための半導体処理方法 | |
KR0155874B1 (ko) | 반도체장치의 평탄화방법 및 이를 이용한 소자분리방법 | |
KR100510232B1 (ko) | 반도체장치에서리필층두께의불균일성을줄이는방법 | |
US4887144A (en) | Topside substrate contact in a trenched semiconductor structure and method of fabrication | |
KR100538810B1 (ko) | 반도체소자의 소자분리 방법 | |
US6103581A (en) | Method for producing shallow trench isolation structure | |
KR100712985B1 (ko) | 반도체 소자의 소자분리막 형성방법 | |
KR100559590B1 (ko) | 반도체 소자의 소자 분리막 형성 방법 | |
US5910017A (en) | Increasing uniformity in a refill layer thickness for a semiconductor device | |
KR100587084B1 (ko) | 반도체소자의 제조방법 | |
KR100607762B1 (ko) | 반도체 소자의 셀로우 트렌치 분리막 형성 방법 | |
KR100971432B1 (ko) | 반도체 소자의 소자분리막 형성방법 | |
KR100455726B1 (ko) | 반도체 소자의 소자분리막 형성방법 | |
KR100829375B1 (ko) | 반도체 소자의 트렌치 형성 방법 | |
KR100605909B1 (ko) | 금속배선의 절연막 평탄화 방법 | |
KR100905163B1 (ko) | 반도체소자의 제조방법 | |
KR100570213B1 (ko) | 반도체 소자의 활성 영역 형성 방법 | |
KR19990003056A (ko) | 반도체 소자의 소자분리막 제조방법 | |
KR100338938B1 (ko) | 반도체 장치의 분리구조 제조방법 | |
KR100492776B1 (ko) | 반도체소자의 제조방법 | |
KR101006510B1 (ko) | 반도체소자의 소자분리막 형성방법 | |
KR20050117330A (ko) | 반도체소자의 소자분리막 형성방법 | |
KR20000021302A (ko) | 반도체 장치의 트렌치 소자 분리 방법 | |
KR20050119412A (ko) | 누설 전류를 방지할 수 있는 얕은 트렌치 소자 분리막 및그 제조방법 | |
KR20040064116A (ko) | 반도체 소자의 트렌치 형성 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20010208 |
|
PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20051202 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20010208 Comment text: Patent Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20061107 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20070220 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20070424 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20070425 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20100325 Start annual number: 4 End annual number: 4 |
|
FPAY | Annual fee payment |
Payment date: 20110325 Year of fee payment: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20110325 Start annual number: 5 End annual number: 5 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |