KR100305026B1 - 반도체소자의 제조방법 - Google Patents
반도체소자의 제조방법 Download PDFInfo
- Publication number
- KR100305026B1 KR100305026B1 KR1019980061932A KR19980061932A KR100305026B1 KR 100305026 B1 KR100305026 B1 KR 100305026B1 KR 1019980061932 A KR1019980061932 A KR 1019980061932A KR 19980061932 A KR19980061932 A KR 19980061932A KR 100305026 B1 KR100305026 B1 KR 100305026B1
- Authority
- KR
- South Korea
- Prior art keywords
- insulating film
- trench
- semiconductor substrate
- insulating layer
- 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
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- 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
- H10P14/6326—Deposition processes
- H10P14/6328—Deposition from the gas or vapour phase
- H10P14/6334—Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H10P14/6336—Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition in the presence of a plasma [PECVD]
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- 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
- H10P95/00—Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass
- H10P95/06—Planarisation of inorganic insulating materials
- H10P95/062—Planarisation of inorganic insulating materials involving a dielectric removal step
Landscapes
- Element Separation (AREA)
Abstract
Description
Claims (5)
- 반도체기판 상부에 제1절연막을 형성하고, 상기 제1절연막 상부에 소자분리 영역으로 예정되어 있는 부분을 노출시키는 감광막 패턴을 형성하는 공정과,상기 감광막 패턴을 식각마스크로 상기 제1절연막과 반도체기판을 식각하여 트렌치를 형성한 다음, 상기 감광막 패턴을 제거하는 공정과,상기 트렌치 표면에 희생산화막을 형성하는 공정과,상기 희생산화막을 제거하고, 상기 트렌치의 표면에 제2절연막을 형성하는 공정과,상기 구조 상부에 상기 트렌치를 매립하는 제3절연막을 형성하는 공정과,상기 제3절연막을 CMP 공정으로 제거하되, 상기 제1절연막을 식각방지막으로 사용하여 제거하는 공정과,상기 제3절연막을 상기 제1절연막과의 식각선택비차이를 이용하여 소정 두께 제거하는 공정과,상기 제3절연막과 반도체기판의 산화율 차이를 이용하여 상기 제3절연막과 제1절연막 사이에 노출된 반도체기판을 산화시키는 공정과,상기 제1절연막을 제거한 다음, 전체표면 상부에 게이트 절연막을 형성하는 공정과,상기 게이트 절연막 상부에 게이트 전극을 형성하는 공정을 포함하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 제1절연막은 산화막과 질화막의 적층구조인 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 제3절연막은 HDP-CVD 산화막으로 형성하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 제3절연막을 습식식각 또는 건식식각방법으로 제거하여 단차를 줄이는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 반도체기판을 산화하는 공정은 습식 또는 건식산화방법을 사용하여 50 ∼ 100Å의 산화막이 형성되도록 실시하는 것을 특징으로 하는 반도체소자의 제조방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980061932A KR100305026B1 (ko) | 1998-12-30 | 1998-12-30 | 반도체소자의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980061932A KR100305026B1 (ko) | 1998-12-30 | 1998-12-30 | 반도체소자의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20000045374A KR20000045374A (ko) | 2000-07-15 |
| KR100305026B1 true KR100305026B1 (ko) | 2001-11-02 |
Family
ID=19568628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019980061932A Expired - Fee Related KR100305026B1 (ko) | 1998-12-30 | 1998-12-30 | 반도체소자의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100305026B1 (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100770455B1 (ko) * | 2001-06-22 | 2007-10-26 | 매그나칩 반도체 유한회사 | 반도체소자의 제조방법 |
| KR100792709B1 (ko) * | 2001-06-25 | 2008-01-08 | 매그나칩 반도체 유한회사 | 반도체소자의 제조방법 |
| KR100700284B1 (ko) * | 2005-12-28 | 2007-03-26 | 동부일렉트로닉스 주식회사 | 반도체소자의 트랜치 소자분리막 형성방법 |
-
1998
- 1998-12-30 KR KR1019980061932A patent/KR100305026B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20000045374A (ko) | 2000-07-15 |
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