KR100525916B1 - 반도체 장치의 소자 분리막 형성방법 - Google Patents
반도체 장치의 소자 분리막 형성방법 Download PDFInfo
- Publication number
- KR100525916B1 KR100525916B1 KR10-2003-0058008A KR20030058008A KR100525916B1 KR 100525916 B1 KR100525916 B1 KR 100525916B1 KR 20030058008 A KR20030058008 A KR 20030058008A KR 100525916 B1 KR100525916 B1 KR 100525916B1
- Authority
- KR
- South Korea
- Prior art keywords
- film
- oxide film
- silicon substrate
- trench
- device isolation
- 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
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
- H10P50/26—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials
- H10P50/264—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means
- H10P50/266—Dry etching; Plasma etching; Reactive-ion etching of conductive or resistive materials by chemical means by vapour etching only
-
- 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
- H10P50/60—Wet etching
- H10P50/66—Wet etching of conductive or resistive materials
- H10P50/663—Wet etching of conductive or resistive materials by chemical means only
- H10P50/667—Wet etching of conductive or resistive materials by chemical means only by liquid etching only
-
- 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
- H10P50/71—Etching of wafers, substrates or parts of devices using masks for conductive or resistive 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
- 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 (9)
- 실리콘 기판 상에 순차적으로 증착되어 있는 제1산화막과 제1전도막과 제1질화막을 소정 형상으로 패터닝하여 상기 실리콘 기판에 트렌치를 형성하는 단계와;상기 제1질화막과 제1산화막의 패턴을 통해서 노출되는 상기 제1전도막의 일부와 상기 실리콘 기판의 상기 트렌치에 라이너 열산화 공정을 실시하여 열산화막을 형성하는 단계와;상기 트렌치가 매립될 수 있도록 상기 실리콘 기판의 전면에 절연물질을 증착시키는 단계와;상기 제1질화막이 노출되도록 평탄화공정을 수행하여 상기 트렌치를 매립하고 있는 소자 분리막을 형성하는 단계와; 그리고상기 소자 분리막과 상기 열산화막을 식각 마스크로 하는 식각 공정에 의해서 상기 제1산화막이 노출되도록 상기 제1질화막과 상기 제1전도막을 순차적으로 제거하는 단계를 포함하는 반도체 장치의 소자 분리막 형성방법.
- 제1항에 있어서,상기 제1전도막에 열산화막이 형성되는 라이너 열산화 공정에 의해서 상기 트렌치를 통해서 노출되는 상기 실리콘 기판에도 열산화막이 형성되는 것을 특징으로 하는 반도체 장치의 소자 분리막 형성방법.
- 제2항에 있어서,상기 실리콘 기판의 열산화막이 100~200Å의 두께로 성장할 때 상기 제1전도막의 열산화막은 200~500Å의 두께로 성장하는 것을 특징으로 하는 반도체 장치의 소자 분리막 형성방법.
- 제1항에 있어서,상기 제1질화막은 상기 소자 분리막을 식각 마스크로 하는 등방성 식각공정에 의해서 제거되는 것을 특징으로 하는 반도체 장치의 소자 분리막 형성방법.
- 제4항에 있어서,상기 제1전도막은 상기 소자 분리막과 상기 열산화막을 식각 마스크로 하는 이방성 식각공정에 의해서 제거되는 것을 특징으로 하는 반도체 장치의 소자 분리막 형성방법.
- 제1항에 있어서,상기 제1질화막과 제1전도막은 질화물질 제거용 H2SO4와 폴리 실리콘 제거용 HNO3를 용매로 하는 등방성 식각공정에 의해서 제거되는 것을 특징으로 하는 반도체 장치의 소자 분리막 형성방법.
- 제1항에 있어서,상기 제1전도막은 열산화 공정에 의해서 절연막으로 성질이 변화될 수 있는 폴리 실리콘, 비정질 실리콘, 다공성 실리콘 및 금속으로 이루어진 그룹으로부터 선택되는 적어도 하나의 물질로 이루어진 것을 특징으로 하는 반도체 장치의 소자 분리막 형성방법.
- 제1항에 있어서,상기 열산화막을 식각 마스크로 하여 상기 제1전도막을 제거한 후에 상기 실리콘 기판 상에 잔류하는 막을 전면적으로 열산화시키는 단계를 더 포함하는 것을 특징으로 하는 반도체 장치의 소자 분리막 형성방법.
- 제1항에 있어서,상기 소자 분리막과 열산화막의 식각특성이 상이한 경우에 반도체 소자의 게이트 산화막 증착 전세정공정 혹은 전세정 공정 이전에 상기 소자 분리막을 식각하는 단계를 더 포함하는 것을 특징으로 하는 반도체 장치의 소자 분리막 형성방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2003-0058008A KR100525916B1 (ko) | 2003-08-21 | 2003-08-21 | 반도체 장치의 소자 분리막 형성방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2003-0058008A KR100525916B1 (ko) | 2003-08-21 | 2003-08-21 | 반도체 장치의 소자 분리막 형성방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20050020239A KR20050020239A (ko) | 2005-03-04 |
| KR100525916B1 true KR100525916B1 (ko) | 2005-11-04 |
Family
ID=37229186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2003-0058008A Expired - Fee Related KR100525916B1 (ko) | 2003-08-21 | 2003-08-21 | 반도체 장치의 소자 분리막 형성방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100525916B1 (ko) |
-
2003
- 2003-08-21 KR KR10-2003-0058008A patent/KR100525916B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20050020239A (ko) | 2005-03-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5885883A (en) | Methods of forming trench-based isolation regions with reduced susceptibility to edge defects | |
| US6864152B1 (en) | Fabrication of trenches with multiple depths on the same substrate | |
| US6121110A (en) | Trench isolation method for semiconductor device | |
| US6071792A (en) | Methods of forming shallow trench isolation regions using plasma deposition techniques | |
| US6107140A (en) | Method of patterning gate electrode conductor with ultra-thin gate oxide | |
| US6271147B1 (en) | Methods of forming trench isolation regions using spin-on material | |
| KR20010046153A (ko) | 반도체장치의 트렌치 구조의 소자분리막 형성방법 | |
| KR100520196B1 (ko) | 반도체 장치의 소자 분리막 형성방법 | |
| US20050020075A1 (en) | Method for forming isolation film for semiconductor devices | |
| KR100278883B1 (ko) | 반도체 소자 분리를 위한 얕은 트렌치 제조 방법 | |
| KR100538073B1 (ko) | 반도체 장치의 소자 분리막 형성방법 | |
| KR20050020239A (ko) | 반도체 장치의 소자 분리막 형성방법 | |
| KR100505604B1 (ko) | 트렌치 소자분리 방법 | |
| KR100524916B1 (ko) | 반도체 집적회로의 트렌치 소자분리방법 | |
| KR20010011642A (ko) | 반도체장치의 소자분리막 형성방법 | |
| JP2003037161A (ja) | 半導体装置及びその製造方法 | |
| KR100195206B1 (ko) | 트렌치를 이용한 반도체 소자 분리 방법 | |
| KR100353828B1 (ko) | 반도체소자의 소자 격리막 형성 방법 | |
| KR101006510B1 (ko) | 반도체소자의 소자분리막 형성방법 | |
| KR100973262B1 (ko) | 반도체소자의 소자분리막 형성방법 | |
| KR100984854B1 (ko) | 반도체 소자의 소자분리막 형성방법 | |
| KR100621756B1 (ko) | 컨택 스파이킹을 방지할 수 있는 반도체 소자의 제조 방법 | |
| KR100561974B1 (ko) | 반도체 소자의 제조방법 | |
| KR100418576B1 (ko) | 반도체 소자의 트렌치형 소자분리막 형성방법 | |
| KR100922962B1 (ko) | 반도체 소자의 제조방법 |
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 |
|
| N231 | Notification of change of applicant | ||
| 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 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| 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 |
|
| D13-X000 | Search requested |
St.27 status event code: A-1-2-D10-D13-srh-X000 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| D14-X000 | Search report completed |
St.27 status event code: A-1-2-D10-D14-srh-X000 |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| 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 |
|
| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| 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 |
|
| FPAY | Annual fee payment |
Payment date: 20120924 Year of fee payment: 8 |
|
| 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: 20130916 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 |
|
| FPAY | Annual fee payment |
Payment date: 20140917 Year of fee payment: 10 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 10 |
|
| FPAY | Annual fee payment |
Payment date: 20150923 Year of fee payment: 11 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 11 |
|
| FPAY | Annual fee payment |
Payment date: 20160926 Year of fee payment: 12 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 12 |
|
| FPAY | Annual fee payment |
Payment date: 20170920 Year of fee payment: 13 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 13 |
|
| FPAY | Annual fee payment |
Payment date: 20180918 Year of fee payment: 14 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 14 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 15 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 16 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R14-asn-PN2301 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 20211027 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: 20211027 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |