KR100271399B1 - 반도체 소자 분리를 위한 얕은 트랜치 제조 방법 - Google Patents
반도체 소자 분리를 위한 얕은 트랜치 제조 방법 Download PDFInfo
- Publication number
- KR100271399B1 KR100271399B1 KR1019980013231A KR19980013231A KR100271399B1 KR 100271399 B1 KR100271399 B1 KR 100271399B1 KR 1019980013231 A KR1019980013231 A KR 1019980013231A KR 19980013231 A KR19980013231 A KR 19980013231A KR 100271399 B1 KR100271399 B1 KR 100271399B1
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- KR
- South Korea
- Prior art keywords
- oxide film
- trench
- semiconductor substrate
- 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.)
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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
-
- 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
- H10P14/63—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
- H10P14/6302—Non-deposition formation processes
- H10P14/6304—Formation by oxidation, e.g. oxidation of the substrate
- H10P14/6306—Formation by oxidation, e.g. oxidation of the substrate of the semiconductor 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
- H10P14/63—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
- H10P14/6302—Non-deposition formation processes
- H10P14/6318—Formation by simultaneous oxidation and nitridation
-
- 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
- H10P14/65—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by treatments performed before or after the formation of the materials
- H10P14/6516—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by treatments performed before or after the formation of the materials of treatments performed after formation of the materials
- H10P14/6518—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by treatments performed before or after the formation of the materials of treatments performed after formation of the materials by introduction of substances into an already-existing insulating layer
- H10P14/6524—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by treatments performed before or after the formation of the materials of treatments performed after formation of the materials by introduction of substances into an already-existing insulating layer the substance being nitrogen
- H10P14/6526—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by treatments performed before or after the formation of the materials of treatments performed after formation of the materials by introduction of substances into an already-existing insulating layer the substance being nitrogen introduced into an oxide material, e.g. changing SiO to SiON
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- Element Separation (AREA)
Abstract
Description
Claims (4)
- 반도체 기판에 패드 산화막과 질화막을 연속하여 형성한 후, 리소그래피 공정에 의해 질화막과 패드 산화막을 식각하여 반도체 기판의 소자 분리 영역을 정의하는 단계와;상기 반도체 기판의 소자 분리 영역을 일정 깊이로 식각하여 얕은 트랜치를 형성하는 단계와;상기 질화막을 레지스터로 상기 반도체 기판을 열 산화하여 상기 트랜치의 내벽에 라이너 산화막을 형성하는 단계와;상기 트랜치 내벽의 라이너 산화막에 질소를 도핑하여 상기 라이너 산화막의 표면에 질화 산화막을 형성하는 단계와;상기 라이너 산화막과 질화 산화막이 내벽에 형성된 트랜치를 매입하기 위하여 반도체 기판 전면에 화학 기상 증착법에 의해 산화막을 증착하고 어닐링한 후, 상기 트랜치의 내부에만 산화막이 남도록 하는 단계;로 이루어지는 것을 특징으로 하는 반도체 소자 분리를 위한 얕은 트랜치 제조 방법.
- 반도체 기판에 패드 산화막과 질화막을 연속하여 형성한 후, 리소그래피 공정에 의해 질화막과 패드 산화막을 식각하여 반도체 기판의 소자 분리 영역을 정의하는 단계와;상기 반도체 기판의 소자 분리 영역을 일정 깊이로 식각하여 얕은 트랜치를 형성하는 단계와;상기 트랜치 내벽의 반도체 기판에 질소를 도핑하는 단계와;상기 질화막을 레지스터로 상기 반도체 기판을 열 산화 상기 트랜치의 내벽에 반도체 기판과의 계면에 질화 산화막이 형성된 라이너 산화막을 형성하는 단계와;상기 라이너 산화막과 질화 산화막이 내벽에 형성된 트랜치를 매입하기 위하여 반도체 기판 전면에 화학 기상 증착법에 의해 산화막을 증착하고 어닐링한 후, 상기 트랜치의 내부에만 산화막이 남도록 하는 단계;로 이루어지는 것을 특징으로 하는 반도체 소자 분리를 위한 얕은 트랜치 제조 방법.
- 청구항 1 또는 2 에 있어서, 상기 라이너 산화막은 100Å 정도의 두께로 형성하는 것을 특징으로 하는 반도체 소자 분리를 위한 얕은 트랜치 제조 방법.
- 청구항 1 또는 2 에 있어서, 상기 질소 도핑은 질소 플라즈마 방법을 사용하는 것을 특징으로 하는 반도체 소자 분리를 위한 얕은 트랜치 제조 방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980013231A KR100271399B1 (ko) | 1998-04-14 | 1998-04-14 | 반도체 소자 분리를 위한 얕은 트랜치 제조 방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980013231A KR100271399B1 (ko) | 1998-04-14 | 1998-04-14 | 반도체 소자 분리를 위한 얕은 트랜치 제조 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990080168A KR19990080168A (ko) | 1999-11-05 |
| KR100271399B1 true KR100271399B1 (ko) | 2000-12-01 |
Family
ID=19536204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019980013231A Expired - Fee Related KR100271399B1 (ko) | 1998-04-14 | 1998-04-14 | 반도체 소자 분리를 위한 얕은 트랜치 제조 방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100271399B1 (ko) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100567022B1 (ko) * | 1999-12-29 | 2006-04-04 | 매그나칩 반도체 유한회사 | 반도체소자의 트렌치를 이용한 소자분리막 형성방법 |
| KR100325620B1 (ko) * | 1999-12-31 | 2002-02-25 | 황인길 | 반도체 소자 분리방법 |
| KR100639194B1 (ko) * | 2000-05-31 | 2006-10-31 | 주식회사 하이닉스반도체 | 반도체 장치의 소자 분리막 형성방법 |
| KR100403317B1 (ko) * | 2001-06-22 | 2003-10-30 | 주식회사 하이닉스반도체 | 반도체소자의 제조방법 |
| KR20030056213A (ko) * | 2001-12-27 | 2003-07-04 | 동부전자 주식회사 | 반도체 섭스트레이트의 소자 분리 방법 |
| KR100753667B1 (ko) * | 2001-12-29 | 2007-08-31 | 매그나칩 반도체 유한회사 | 반도체 제조 공정에서의 질소 플라즈마 소스를 이용한실리콘 질화막 증착 방법 |
| KR100458731B1 (ko) * | 2002-06-20 | 2004-12-03 | 동부전자 주식회사 | 반도체 소자의 제조 방법 |
-
1998
- 1998-04-14 KR KR1019980013231A patent/KR100271399B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR19990080168A (ko) | 1999-11-05 |
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