KR100351904B1 - 반도체 소자의 격리막 형성방법 - Google Patents
반도체 소자의 격리막 형성방법 Download PDFInfo
- Publication number
- KR100351904B1 KR100351904B1 KR1020000064888A KR20000064888A KR100351904B1 KR 100351904 B1 KR100351904 B1 KR 100351904B1 KR 1020000064888 A KR1020000064888 A KR 1020000064888A KR 20000064888 A KR20000064888 A KR 20000064888A KR 100351904 B1 KR100351904 B1 KR 100351904B1
- Authority
- KR
- South Korea
- Prior art keywords
- film
- oxide film
- nitride film
- semiconductor substrate
- forming
- 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
-
- 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
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
- H10D64/013—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator
- H10D64/01302—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon
- H10D64/01332—Making the insulator
- H10D64/01336—Making the insulator on single crystalline silicon, e.g. chemical oxidation using a liquid
-
- 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
- H10P50/20—Dry etching; Plasma etching; Reactive-ion etching
- H10P50/28—Dry etching; Plasma etching; Reactive-ion etching of insulating materials
- H10P50/282—Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials
- H10P50/283—Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials by chemical means
-
- 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
Landscapes
- Element Separation (AREA)
Abstract
Description
Claims (3)
- 필드 영역과 액티브 영역으로 정의된 반도체 기판에 제 1 산화막 및 제 1 질화막을 차례로 형성하는 단계;상기 반도체 기판의 필드 영역이 노출되도록 제 1 질화막 및 제 1 산화막을 선택적으로 제거하는 단계;상기 제 1 질화막 및 제 1 산화막의 양측면에 절연막 측벽을 형성하는 단계;상기 노출된 반도체 기판의 필드 영역을 선택적으로 제거하여 트랜치를 형성하는 단계;상기 트랜치의 내부에 절연막을 매립하여 소자 격리막을 형성하는 단계;상기 절연막 측벽을 제거하는 단계;상기 소자 격리막을 포함한 전면에 제 2 질화막 및 제 2 산화막을 차례로 형성하는 단계;상기 제 1 질화막 상부의 제 2 산화막만을 선택적으로 제거하는 단계;상기 제 2 산화막을 마스크로 이용하여 노출된 제 2 질화막 및 제 1 질화막을 선택적으로 제거하는 단계;상기 반도체 기판에 게이트 산화 전세 공정을 실시하고 제 2 산화막 및 제 1 산화막을 제거하는 단계;상기 제 2 질화막을 제거하는 단계를 포함하여 형성함을 특징으로 하는 반도체 소자의 격리막 형성방법.
- 제 1 항에 있어서, 상기 절연막 측벽은 소자 격리막의 절연막보다 식각비가 빠른 것을 사용하는 것을 특징으로 하는 반도체 소자의 격리막 형성방법.
- 제 1 항에 있어서, 상기 절연막 측벽은 습식식각으로 제거하는 것을 특징으로 하는 반도체 소자의 격리막 형성방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000064888A KR100351904B1 (ko) | 2000-11-02 | 2000-11-02 | 반도체 소자의 격리막 형성방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000064888A KR100351904B1 (ko) | 2000-11-02 | 2000-11-02 | 반도체 소자의 격리막 형성방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020034507A KR20020034507A (ko) | 2002-05-09 |
| KR100351904B1 true KR100351904B1 (ko) | 2002-09-12 |
Family
ID=19696877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020000064888A Expired - Fee Related KR100351904B1 (ko) | 2000-11-02 | 2000-11-02 | 반도체 소자의 격리막 형성방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100351904B1 (ko) |
-
2000
- 2000-11-02 KR KR1020000064888A patent/KR100351904B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020034507A (ko) | 2002-05-09 |
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