KR20010068403A - 반도체장치의 소자격리방법 - Google Patents
반도체장치의 소자격리방법 Download PDFInfo
- Publication number
- KR20010068403A KR20010068403A KR1020000000318A KR20000000318A KR20010068403A KR 20010068403 A KR20010068403 A KR 20010068403A KR 1020000000318 A KR1020000000318 A KR 1020000000318A KR 20000000318 A KR20000000318 A KR 20000000318A KR 20010068403 A KR20010068403 A KR 20010068403A
- Authority
- KR
- South Korea
- Prior art keywords
- trench
- etching
- semiconductor substrate
- pad nitride
- etching mask
- 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.)
- Withdrawn
Links
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
- H10W10/0145—Manufacture or treatment of isolation regions comprising dielectric materials using trench refilling with dielectric materials, e.g. shallow trench isolations of trenches having shapes other than rectangular or V-shape
-
- 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
- H10P50/24—Dry etching; Plasma etching; Reactive-ion etching of semiconductor materials
- H10P50/242—Dry etching; Plasma etching; Reactive-ion etching of semiconductor materials of Group IV 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
- H10P50/60—Wet etching
- H10P50/64—Wet etching of semiconductor materials
- H10P50/642—Chemical etching
-
- 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 (5)
- 반도체기판상에 소자격리영역을 노출시키는 식각마스크를 형성하는 단계와,상기 식각마스크에 의하여 노출된 상기 반도체기판을 등방성식각으로 소정 깊이 제거하여 상기 식각마스크 하부로 언더 에치된 제 1 트렌치를 형성하는 제 1 식각단계와,상기 식각마스크를 이용한 비등방성식각을 상기 제 1 트렌치의 저부에 실시하여 상기 반도체기판을 소정 깊이로 제거하여 제 2 트렌치를 형성하는 제 2 식각단계와,상기 식각마스크를 제거하는 단계와,상기 제 1 트렌치와 제 2 트렌치를 절연물질로 충전시켜 소자격리막을 형성하는 단계로 이루어진 반도체장치의 소자격리방법.
- 청구항 1에 있어서, 상기 식각마스크를 형성하는 단계는,상기 반도체기판상에 버퍼산화막과 패드질화막을 차례로 형성하는 단계와,상기 소자격리영역 상부의 상기 패드질화막을 노출시키는 포토레지스트패턴을 상기 패드질화막상에 형성하는 단계를 더 포함하여 이루어진 것이 특징인 반도체장치의 소자격리방법.
- 청구항 1에 있어서, 상기 제 1 식각단계는 습식식각으로 실시하고 상기 제 2 식각단계는 건식식각으로 실시하는 것이 특징인 반도체장치의 소자격리방법.
- 청구항 1 및 청구항 2에 있어서, 상기 제 1 및 제 2 트렌치를 절연물질로 충전시키는 단계는,상기 포토레지스트패턴을 제거하는 단계와,상기 제 1 및 제 2 트렌치를 포함하는 상기 패드질화막상에 상기 절연물질로 절연층을 형성하는 단계와,상기 패드질화막의 표면이 노출되도록 상기 절연층을 평탄화시키는 단계와,잔류한 상기 패드질화막과 상기 버퍼산화막을 제거하는 단계를 더 포함하여 이루어진 것이 특징인 반도체장치의 소자격리방법.
- 청구항 1에 있어서, 상기 소자격리막을 형성하는 단계 이후,상기 반도체기판의 전면에 적절한 도전형의 불순물 이온으로 문턱전압 조절용 이온주입을 실시하여 활성영역의 문턱전압을 조절하는 단계를 더 포함하여 이루어진 것이 특징인 반도체장치의 소자격리방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000000318A KR20010068403A (ko) | 2000-01-05 | 2000-01-05 | 반도체장치의 소자격리방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000000318A KR20010068403A (ko) | 2000-01-05 | 2000-01-05 | 반도체장치의 소자격리방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20010068403A true KR20010068403A (ko) | 2001-07-23 |
Family
ID=19636468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020000000318A Withdrawn KR20010068403A (ko) | 2000-01-05 | 2000-01-05 | 반도체장치의 소자격리방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20010068403A (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086351A (zh) * | 2019-06-13 | 2020-12-15 | 芯恩(青岛)集成电路有限公司 | 沟槽刻蚀方法 |
| CN119480637A (zh) * | 2025-01-15 | 2025-02-18 | 合肥晶合集成电路股份有限公司 | 一种半导体结构的制备方法 |
-
2000
- 2000-01-05 KR KR1020000000318A patent/KR20010068403A/ko not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086351A (zh) * | 2019-06-13 | 2020-12-15 | 芯恩(青岛)集成电路有限公司 | 沟槽刻蚀方法 |
| CN119480637A (zh) * | 2025-01-15 | 2025-02-18 | 合肥晶合集成电路股份有限公司 | 一种半导体结构的制备方法 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1213757B1 (en) | Integrated circuits having adjacent p-type doped regions having shallow trench isolation structures without liner layers therebetween and methods of forming same | |
| US6069058A (en) | Shallow trench isolation for semiconductor devices | |
| KR100379336B1 (ko) | 반도체 소자의 분리영역 제조방법 | |
| KR100349343B1 (ko) | 반도체장치의 트랜지스터 제조방법 | |
| KR20010068644A (ko) | 반도체장치의 소자격리방법 | |
| KR20010068403A (ko) | 반도체장치의 소자격리방법 | |
| KR100501641B1 (ko) | 반도체 소자의 웰 형성방법 | |
| KR20010055525A (ko) | 얕은 트렌치 소자분리 방법 | |
| KR100700279B1 (ko) | 플랫 노아 마스크롬의 제조 방법 | |
| KR100639182B1 (ko) | 반도체장치의 소자격리방법 | |
| KR100242526B1 (ko) | 반도체장치의 소자격리방법 | |
| KR100271802B1 (ko) | 반도체장치의소자격리방법 | |
| KR100344765B1 (ko) | 반도체장치의 소자격리방법 | |
| KR100877094B1 (ko) | 반도체 소자의 소자 분리막 형성 방법 | |
| KR100419754B1 (ko) | 반도체소자의 소자분리막 형성방법 | |
| KR100519648B1 (ko) | 반도체 소자의 제조 방법 | |
| KR100474588B1 (ko) | 반도체장치의소자격리방법 | |
| KR20010068649A (ko) | 반도체장치의 소자격리방법 | |
| KR100520512B1 (ko) | 질소 이온 주입 공정을 포함한 반도체 제조 방법 | |
| KR20020016725A (ko) | 반도체장치의 소자격리방법 | |
| KR100344763B1 (ko) | 반도체장치의 소자격리방법 | |
| KR20010027434A (ko) | 에스오아이 반도체 소자 분리 방법 | |
| KR20010058949A (ko) | 반도체장치의 소자격리방법 | |
| KR20020015874A (ko) | 반도체장치의 소자격리방법 | |
| KR100451512B1 (ko) | 소자분리막 형성 방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| 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 |
|
| 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 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| PC1203 | Withdrawal of no request for examination |
St.27 status event code: N-1-6-B10-B12-nap-PC1203 |
|
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid | ||
| 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 |
|
| 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 |
|
| 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 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-2-2-P10-P22-nap-X000 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-2-2-P10-P22-nap-X000 |