KR940004779A - 트렌치 기술을 이용한 반도체 장치의 소자분리영역 형성방법 - Google Patents
트렌치 기술을 이용한 반도체 장치의 소자분리영역 형성방법 Download PDFInfo
- Publication number
- KR940004779A KR940004779A KR1019920015697A KR920015697A KR940004779A KR 940004779 A KR940004779 A KR 940004779A KR 1019920015697 A KR1019920015697 A KR 1019920015697A KR 920015697 A KR920015697 A KR 920015697A KR 940004779 A KR940004779 A KR 940004779A
- Authority
- KR
- South Korea
- Prior art keywords
- teos
- photoresist
- polysilicon layer
- nitride film
- silicon nitride
- 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.)
- Granted
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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
-
- 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
- H10P14/692—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses
- H10P14/6921—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon
- H10P14/69215—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon the material being a silicon oxide, e.g. SiO2
-
- 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
-
- 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
- H10P50/73—Etching of wafers, substrates or parts of devices using masks for insulating 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
- H10P76/00—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography
- H10P76/20—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising organic materials
- H10P76/204—Manufacture or treatment of masks on semiconductor bodies, e.g. by lithography or photolithography of masks comprising organic materials of organic photoresist masks
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- Element Separation (AREA)
Abstract
Description
Claims (2)
- 트렌치 기술을 이용한 반도체 장치의 소자분리영역 형성방법에 있어서, 실리콘 기판(1) 상에 제1실리콘 산화막(2) 및 실리콘 질화막(3)을 형성한 후, 상기 실리콘 질화막(3) 상부에 제1포토레지스트(4)를 도포한 다음, 마스크 작업을 통해 제1포토레지스터 패턴(4′)을 형성하는 단계와, 상기 제1포토레지스트 패턴(4′)을 마스크로 하여 건식식각방식으로 실리콘 질화막(3)과 제1실리콘 산화막(2)을 식각하여 실리콘 질화막 패턴(3′)과 제1실리콘 산화막 패턴(2′)을 형성한 후, 상기 제1포토레지스트 패턴(4′), 실리콘 질화막 패턴(3′) 및 제1실리콘 산화막 패턴(2′)을 마스크로 하여 방향성 식각방식으로 실리콘 기판(1)에 일정깊이의 다수의 트렌치(5a, 5b, 5c) 내부 표면에 제2실리콘 산화막(6)을 얇게 형성하는 단계와, 상기 단계의 구조 상부에 전반적으로 TEOS(7)를 예정된 두께로 형성한 후, 상기 TEO5(7) 상부에 식각 장벽층으로서 폴리실리콘층(8)을 증착하는 단계와, 상기 폴리실리콘층(8) 상부에 제2포토레지스트(9)를 평탄하게 도포하는 단계와, 상기 제2포토레지스트(9)를 RIE방식으로 에치 백하여 TEOS(7)의 높이가 높은 셀 지역(B)의 폴리 실리콘층(8b)이 먼저 노출되면서 식각 장벽층으로 작용하여 그 하부의 TEOS(7)를 보호하고, 계속 에치 백 공정을 실시하여 주변지역(A)의 폴리실리콘층(8a) 위의 제2포토레지스트(9)가 예정된 두께로 남아 있도록 에치 백 공정을 실시하는 단계와, 상기 노출된 폴리실리콘층(8b)을 건식 또는 습식식각방식으로 제거한 후, 상기 남아있는 제2포토레지스트(9)를 제거하여 주변지역(A)의 폴리실 리콘층(8a)을 노출시키는 단계와, 상기 폴리실리콘층(8a)을 마스크로 하여 셀 지역(B)의 TEOS(7)를 에치 백하여 트렌치 마스크층인 실리콘 질화막 패턴(3′) 상부면이 노출될 때까지 에치백 공정을 실시하는 단계와, 상기 폴리실리콘층(8a)을 건식 식각방식으로 제거한 후, 실리콘 질화막 패턴(3′)과 실리콘 산화막 패턴(2′)을 식각한 다음, 남아있는 TEOS(7)를 실리콘 기판(1) 상부면과 평탄하게 되도록 식각하여 트렌치(5a, 5b, 5c) 내부에 TEOS(7)로 채워진 다수의 소자분리 영역(10a, 10b, 10c)을 형성하는 단계로 이루어진 것을 특징으로 하는 트렌치 기술을 이용한 반도체 장치의 소자분리영역 형성방법.
- 제 1항에 있어서, 상기 TEOS(7)의 두께는 트렌치 마스크층인 실리콘 산화막 패턴(2′)과 실리콘 질화막 패턴(3′)과 같거나 높게 형성하는 것을 특징으로 하는 트렌치 기술을 이용한 반도체 장치의 소자분리영역 형성방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019920015697A KR950009889B1 (ko) | 1992-08-31 | 1992-08-31 | 트렌치 기술을 이용한 반도체 장치의 소자분리영역 형성방법 |
| JP5216268A JPH06177236A (ja) | 1992-08-31 | 1993-08-31 | トレンチ構造の素子分離膜の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019920015697A KR950009889B1 (ko) | 1992-08-31 | 1992-08-31 | 트렌치 기술을 이용한 반도체 장치의 소자분리영역 형성방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR940004779A true KR940004779A (ko) | 1994-03-16 |
| KR950009889B1 KR950009889B1 (ko) | 1995-09-01 |
Family
ID=19338737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019920015697A Expired - Fee Related KR950009889B1 (ko) | 1992-08-31 | 1992-08-31 | 트렌치 기술을 이용한 반도체 장치의 소자분리영역 형성방법 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH06177236A (ko) |
| KR (1) | KR950009889B1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100318255B1 (ko) * | 1998-06-30 | 2002-04-22 | 박종섭 | 반도체장치의소자분리방법 |
| KR100389911B1 (ko) * | 1996-09-13 | 2003-09-19 | 삼성전자주식회사 | 트렌치 소자 분리 방법 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3983324B2 (ja) | 1997-01-09 | 2007-09-26 | 富士重工業株式会社 | 車両の走行レーン逸脱防止装置 |
| JP4230124B2 (ja) | 2001-04-20 | 2009-02-25 | 富士重工業株式会社 | 車両運動制御装置 |
| JP2002316633A (ja) | 2001-04-20 | 2002-10-29 | Fuji Heavy Ind Ltd | 車両運動制御装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59217339A (ja) * | 1983-05-26 | 1984-12-07 | Toshiba Corp | 半導体装置の製造方法 |
| US4836885A (en) * | 1988-05-03 | 1989-06-06 | International Business Machines Corporation | Planarization process for wide trench isolation |
-
1992
- 1992-08-31 KR KR1019920015697A patent/KR950009889B1/ko not_active Expired - Fee Related
-
1993
- 1993-08-31 JP JP5216268A patent/JPH06177236A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100389911B1 (ko) * | 1996-09-13 | 2003-09-19 | 삼성전자주식회사 | 트렌치 소자 분리 방법 |
| KR100318255B1 (ko) * | 1998-06-30 | 2002-04-22 | 박종섭 | 반도체장치의소자분리방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR950009889B1 (ko) | 1995-09-01 |
| JPH06177236A (ja) | 1994-06-24 |
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