KR100200751B1 - 반도체장치의 소자분리방법 - Google Patents
반도체장치의 소자분리방법 Download PDFInfo
- Publication number
- KR100200751B1 KR100200751B1 KR1019960051494A KR19960051494A KR100200751B1 KR 100200751 B1 KR100200751 B1 KR 100200751B1 KR 1019960051494 A KR1019960051494 A KR 1019960051494A KR 19960051494 A KR19960051494 A KR 19960051494A KR 100200751 B1 KR100200751 B1 KR 100200751B1
- Authority
- KR
- South Korea
- Prior art keywords
- silicon nitride
- trench
- oxide film
- forming
- nitride film
- 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
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
- H10W10/01—Manufacture or treatment
- H10W10/011—Manufacture or treatment of isolation regions comprising dielectric materials
- H10W10/014—Manufacture or treatment of isolation regions comprising dielectric materials using trench refilling with dielectric materials, e.g. shallow trench isolations
- H10W10/0142—Manufacture or treatment of isolation regions comprising dielectric materials using trench refilling with dielectric materials, e.g. shallow trench isolations the dielectric materials being chemical transformed from non-dielectric materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/69—Inorganic materials
- H10P14/694—Inorganic materials composed of nitrides
- H10P14/6943—Inorganic materials composed of nitrides containing silicon
- H10P14/69433—Inorganic materials composed of nitrides containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/69—Etching of wafers, substrates or parts of devices using masks for semiconductor materials
- H10P50/691—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials
- H10P50/693—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials characterised by their size, orientation, disposition, behaviour or shape, in horizontal or vertical plane
- H10P50/695—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials characterised by their size, orientation, disposition, behaviour or shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks or sidewalls or to modify the mask
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
- H10W10/01—Manufacture or treatment
- H10W10/011—Manufacture or treatment of isolation regions comprising dielectric materials
- H10W10/012—Manufacture or treatment of isolation regions comprising dielectric materials using local oxidation of silicon [LOCOS]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
- H10W10/01—Manufacture or treatment
- H10W10/011—Manufacture or treatment of isolation regions comprising dielectric materials
- H10W10/014—Manufacture or treatment of isolation regions comprising dielectric materials using trench refilling with dielectric materials, e.g. shallow trench isolations
- H10W10/0145—Manufacture or treatment of isolation regions comprising dielectric materials using trench refilling with dielectric materials, e.g. shallow trench isolations of trenches having shapes other than rectangular or V-shape
Landscapes
- Element Separation (AREA)
Abstract
Description
Claims (5)
- LOCOS 방법에 의하여 필드 산화막이 형성된 반도체 기판상에 실리콘 질화막을 형성하는 단계와,상기 실리콘 질화막상에 마스크용 산화막을 형성하는 단계와,활성 영역과 소자 분리 영역을 한정하도록 포토리소그래피 공정에 의하여 상기 마스크용 산화막과 실리콘 질화막을 차례로 식각하여 마스크용 산화막 패턴과 실리콘 질화막 패턴을 형성하는 단계와,상기 마스크용 산화막 패턴과 실리콘 질화막 패턴을 마스크로하여 상기 반도체 기판을 이방성 식각하여 트렌치를 형성하는 단계와,상기 마스크용 산화막 패턴을 등방성 식각에 의하여 제거하는 단계와,상기 트렌치의 표면에 표면 손상 완화용 산화막을 형성하는 단계와,상기 트렌치의 상부로부터 소정 거리만큼 공간이 남도록 상기 트렌치의 일부만을 매립하는 매립층을 형성하는 단계와,상기 매립층의 노출된 부분을 산화시켜서 캡핑 산화막을 형성하는 단계와,상기 실리콘 질화막 패턴을 제거하는 단계를 포함하는 것을 특징으로 하는 반도체 장치의 소자 분리 방법.
- 제1항에 있어서, 상기 매립층을 형성하는 단계는상기 트렌치 표면에 표면 손상 완화용 산화막이 형성된 결과물상에 매립 물질층을 상기 트렌치를 매립하기에 충분한 두께로 적층하는 단계와,상기 매립 물질층을 이방성 식각에 의하여 에치백하여 상기 트렌치의 일부만을 매립하는 매립층을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 장치의 소자 분리 방법.
- 제2항에 있어서, 상기 매립 물질층을 적층하는 단계는 매립 물질로서 폴리실리콘을 사용하는 것을 특징으로 하는 반도체 장치의 소자 분리 방법.
- 제2항에 있어서, 상기 매립 물질층을 이방성 식각하는 단계는 RIE(Reactive Ion Etching) 방법에 의하여 He/SF6가스 플라즈마에서 행하는 것을 특징으로 하는 반도체 장치의 소자 분리 방법.
- 제2항에 있어서, 상기 매립 물질층을 이방성 식각하는 단계는 CDE(Chemical Dry Etching) 방법에 의하여 O2/CF4가스를 사용하여 행하는 것을 특징으로 하는 반도체 장치의 소자 분리 방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960051494A KR100200751B1 (ko) | 1996-10-31 | 1996-10-31 | 반도체장치의 소자분리방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960051494A KR100200751B1 (ko) | 1996-10-31 | 1996-10-31 | 반도체장치의 소자분리방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980031929A KR19980031929A (ko) | 1998-07-25 |
| KR100200751B1 true KR100200751B1 (ko) | 1999-06-15 |
Family
ID=19480530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960051494A Expired - Fee Related KR100200751B1 (ko) | 1996-10-31 | 1996-10-31 | 반도체장치의 소자분리방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100200751B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100557972B1 (ko) * | 1998-10-29 | 2006-04-28 | 주식회사 하이닉스반도체 | 반도체소자의 트렌치 형성방법_ |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7445013B2 (en) | 2003-06-17 | 2008-11-04 | Whirlpool Corporation | Multiple wash zone dishwasher |
| US9259138B2 (en) | 2010-12-07 | 2016-02-16 | Whirlpool Corporation | Dishwasher with auxiliary spray system having removable sprayers |
| US9119517B2 (en) | 2011-10-17 | 2015-09-01 | Whirlpool Corporation | Dishwasher having spray manifold and method for controlling same |
-
1996
- 1996-10-31 KR KR1019960051494A patent/KR100200751B1/ko not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100557972B1 (ko) * | 1998-10-29 | 2006-04-28 | 주식회사 하이닉스반도체 | 반도체소자의 트렌치 형성방법_ |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980031929A (ko) | 1998-07-25 |
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