KR100242523B1 - 반도체장치의 소자격리방법 - Google Patents
반도체장치의 소자격리방법 Download PDFInfo
- Publication number
- KR100242523B1 KR100242523B1 KR1019970067209A KR19970067209A KR100242523B1 KR 100242523 B1 KR100242523 B1 KR 100242523B1 KR 1019970067209 A KR1019970067209 A KR 1019970067209A KR 19970067209 A KR19970067209 A KR 19970067209A KR 100242523 B1 KR100242523 B1 KR 100242523B1
- Authority
- KR
- South Korea
- Prior art keywords
- trench
- hard mask
- mask layer
- filler
- semiconductor substrate
- 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
Links
Images
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
- 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
- H10P50/692—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 composition, e.g. multilayer masks or 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
- H10P50/69—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 (6)
- 반도체기판 상에 제 1 하드마스크층 및 제 2 하드마스크층을 순차적으로 형성하고 상기 반도체기판이 노출되도록 패터닝하여 소자격리영역과 활성영역을 한정하는 공정과,상기 반도체기판의 노출된 부분에 소정 깊이의 깊은 트렌치를 형성하고 상기 트렌치의 표면에 버퍼산화막을 형성하는 공정과,상기 제 2 하드마스크층 상에 상기 트렌치를 채우도록 제 1 및 제 2 필러를 순차적으로 형성하는 공정과,상기 제 2 필러를 상기 트렌치 내에만 잔류하도록 에치 백하고 상기 제 1 필러와 상기 제 2 하드마스크층을 건식 식각 방법으로 선택적으로 제거하는 공정과,상기 제 1 하드마스크층을 제거하는 공정을 구비하는 반도체장치의 소자격리방법.
- 청구항 1에 있어서 상기 제 1 및 제 2 하드마스크층을 질화실리콘 및 산화실리콘으로 각각 형성하는 반도체장치의 소자격리방법.
- 청구항 1에 있어서 상기 트렌치를 4∼8㎛의 깊이로 형성하는 반도체장치의 소자격리방법.
- 청구항 1에 있어서 상기 제 1 및 제 2 필러를 산화실리콘과 다결정실리콘으로 각각 형성하는 반도체장치의 소자격리방법.
- 청구항 1에 있어서 상기 제 1 필러를 2000∼4000Å의 두께로 형성하며, 상기 제 2 필러를 6000∼10000Å의 두께로 형성하는 반도체장치의 소자격리방법.
- 청구항 1에 있어서 상기 제 1 필러와 제 2 하드마스크층을 30∼250mTorr의 저압에서 CHF3가스에 CF4, C4F8, C2F6, 또는 C3F8의 가스를 혼합한 가스로 식각하는 반도체장치의 소자격리방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970067209A KR100242523B1 (ko) | 1997-12-10 | 1997-12-10 | 반도체장치의 소자격리방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970067209A KR100242523B1 (ko) | 1997-12-10 | 1997-12-10 | 반도체장치의 소자격리방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990048487A KR19990048487A (ko) | 1999-07-05 |
| KR100242523B1 true KR100242523B1 (ko) | 2000-03-02 |
Family
ID=19526858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019970067209A Expired - Fee Related KR100242523B1 (ko) | 1997-12-10 | 1997-12-10 | 반도체장치의 소자격리방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100242523B1 (ko) |
-
1997
- 1997-12-10 KR KR1019970067209A patent/KR100242523B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR19990048487A (ko) | 1999-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100249025B1 (ko) | 반도체장치의 소자분리방법 | |
| KR100312943B1 (ko) | 반도체장치 및 그의 제조방법 | |
| KR100226501B1 (ko) | 반도체장치의 소자격리방법 | |
| KR100242523B1 (ko) | 반도체장치의 소자격리방법 | |
| KR100596876B1 (ko) | 반도체 소자의 소자 분리막 형성 방법 | |
| KR100226500B1 (ko) | 반도체장치의 소자격리방법 | |
| KR100246197B1 (ko) | 반도체장치의 소자격리방법 | |
| KR100242526B1 (ko) | 반도체장치의 소자격리방법 | |
| KR19990070373A (ko) | 반도체장치의 소자격리방법 | |
| KR100271802B1 (ko) | 반도체장치의소자격리방법 | |
| KR100232522B1 (ko) | 반도체장치의 소자격리막 형성방법 | |
| KR100246198B1 (ko) | 반도체장치의 소자격리방법 | |
| KR100236720B1 (ko) | 반도체장치의 소자분리방법 | |
| KR100269623B1 (ko) | 반도체장치의 소자격리방법 | |
| KR20000015298A (ko) | 반도체장치의 소자격리방법 | |
| KR20000019068A (ko) | 반도체장치의 소자격리방법 | |
| KR100474588B1 (ko) | 반도체장치의소자격리방법 | |
| KR19990041569A (ko) | 반도체장치의 소자격리방법 | |
| KR100269603B1 (ko) | 반도체장치의 필드산화막 형성방법 | |
| KR19990081483A (ko) | 반도체장치의 소자 격리 방법 | |
| KR19990048259A (ko) | 반도체장치의 소자격리방법 | |
| KR19990000764A (ko) | 반도체장치의 소자격리방법 | |
| KR19990039742A (ko) | 반도체장치의 소자격리방법 | |
| KR19990010247A (ko) | 반도체장치의 소자격리방법 | |
| KR20000067517A (ko) | 반도체장치의 소자격리방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-3-3-R10-R13-asn-PN2301 St.27 status event code: A-3-3-R10-R11-asn-PN2301 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
| PG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-PG1601 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 4 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 5 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 6 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 7 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 8 |
|
| FPAY | Annual fee payment |
Payment date: 20071025 Year of fee payment: 9 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 9 |
|
| LAPS | Lapse due to unpaid annual fee | ||
| PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 20081111 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
| PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20081111 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |